Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/virtualspace.cpp @ 18096:ca6d25be853b jdk8u25-b13
8044269: Analysis of archive files.
Summary: Add checksum verification.
Reviewed-by: iklam, dholmes, mschoene
| author | jiangli |
|---|---|
| date | Tue, 12 Aug 2014 17:46:16 -0400 |
| parents | 78bbf4d43a14 |
| children | 52b4284cb496 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
14422
diff
changeset
|
2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
844
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
844
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
844
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "oops/markOop.hpp" | |
| 27 #include "oops/oop.inline.hpp" | |
| 28 #include "runtime/virtualspace.hpp" | |
| 6197 | 29 #include "services/memTracker.hpp" |
| 1972 | 30 #ifdef TARGET_OS_FAMILY_linux |
| 31 # include "os_linux.inline.hpp" | |
| 32 #endif | |
| 33 #ifdef TARGET_OS_FAMILY_solaris | |
| 34 # include "os_solaris.inline.hpp" | |
| 35 #endif | |
| 36 #ifdef TARGET_OS_FAMILY_windows | |
| 37 # include "os_windows.inline.hpp" | |
| 38 #endif | |
| 14411 | 39 #ifdef TARGET_OS_FAMILY_aix |
| 40 # include "os_aix.inline.hpp" | |
| 41 #endif | |
| 3960 | 42 #ifdef TARGET_OS_FAMILY_bsd |
| 43 # include "os_bsd.inline.hpp" | |
| 44 #endif | |
| 0 | 45 |
|
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
14422
diff
changeset
|
46 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
| 0 | 47 |
| 48 // ReservedSpace | |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
49 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
50 // Dummy constructor |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
51 ReservedSpace::ReservedSpace() : _base(NULL), _size(0), _noaccess_prefix(0), |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
52 _alignment(0), _special(false), _executable(false) { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
53 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
54 |
| 0 | 55 ReservedSpace::ReservedSpace(size_t size) { |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
56 size_t page_size = os::page_size_for_region(size, size, 1); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
57 bool large_pages = page_size != (size_t)os::vm_page_size(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
58 // Don't force the alignment to be large page aligned, |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
59 // since that will waste memory. |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
60 size_t alignment = os::vm_allocation_granularity(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
61 initialize(size, alignment, large_pages, NULL, 0, false); |
| 0 | 62 } |
| 63 | |
| 64 ReservedSpace::ReservedSpace(size_t size, size_t alignment, | |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
65 bool large, |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
66 char* requested_address, |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
67 const size_t noaccess_prefix) { |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
68 initialize(size+noaccess_prefix, alignment, large, requested_address, |
| 656 | 69 noaccess_prefix, false); |
| 70 } | |
| 71 | |
| 72 ReservedSpace::ReservedSpace(size_t size, size_t alignment, | |
| 73 bool large, | |
| 74 bool executable) { | |
| 75 initialize(size, alignment, large, NULL, 0, executable); | |
| 0 | 76 } |
| 77 | |
| 1618 | 78 // Helper method. |
| 79 static bool failed_to_reserve_as_requested(char* base, char* requested_address, | |
| 80 const size_t size, bool special) | |
| 81 { | |
| 82 if (base == requested_address || requested_address == NULL) | |
| 83 return false; // did not fail | |
| 84 | |
| 85 if (base != NULL) { | |
| 86 // Different reserve address may be acceptable in other cases | |
| 87 // but for compressed oops heap should be at requested address. | |
| 88 assert(UseCompressedOops, "currently requested address used only for compressed oops"); | |
| 89 if (PrintCompressedOopsMode) { | |
| 90 tty->cr(); | |
|
3824
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
91 tty->print_cr("Reserved memory not at requested address: " PTR_FORMAT " vs " PTR_FORMAT, base, requested_address); |
| 1618 | 92 } |
| 93 // OS ignored requested address. Try different address. | |
| 94 if (special) { | |
| 95 if (!os::release_memory_special(base, size)) { | |
| 96 fatal("os::release_memory_special failed"); | |
| 97 } | |
| 98 } else { | |
| 99 if (!os::release_memory(base, size)) { | |
| 100 fatal("os::release_memory failed"); | |
| 101 } | |
| 102 } | |
| 103 } | |
| 104 return true; | |
| 105 } | |
| 106 | |
| 0 | 107 void ReservedSpace::initialize(size_t size, size_t alignment, bool large, |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
108 char* requested_address, |
| 656 | 109 const size_t noaccess_prefix, |
| 110 bool executable) { | |
| 0 | 111 const size_t granularity = os::vm_allocation_granularity(); |
|
3824
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
112 assert((size & (granularity - 1)) == 0, |
| 0 | 113 "size not aligned to os::vm_allocation_granularity()"); |
|
3824
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
114 assert((alignment & (granularity - 1)) == 0, |
| 0 | 115 "alignment not aligned to os::vm_allocation_granularity()"); |
| 116 assert(alignment == 0 || is_power_of_2((intptr_t)alignment), | |
| 117 "not a power of 2"); | |
| 118 | |
|
3824
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
119 alignment = MAX2(alignment, (size_t)os::vm_page_size()); |
|
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
120 |
|
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
121 // Assert that if noaccess_prefix is used, it is the same as alignment. |
|
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
122 assert(noaccess_prefix == 0 || |
|
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
123 noaccess_prefix == alignment, "noaccess prefix wrong"); |
|
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
124 |
| 0 | 125 _base = NULL; |
| 126 _size = 0; | |
| 127 _special = false; | |
| 656 | 128 _executable = executable; |
| 0 | 129 _alignment = 0; |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
130 _noaccess_prefix = 0; |
| 0 | 131 if (size == 0) { |
| 132 return; | |
| 133 } | |
| 134 | |
| 135 // If OS doesn't support demand paging for large page memory, we need | |
| 136 // to use reserve_memory_special() to reserve and pin the entire region. | |
| 137 bool special = large && !os::can_commit_large_page_memory(); | |
| 138 char* base = NULL; | |
| 139 | |
| 1618 | 140 if (requested_address != 0) { |
| 141 requested_address -= noaccess_prefix; // adjust requested address | |
| 142 assert(requested_address != NULL, "huge noaccess prefix?"); | |
| 143 } | |
| 144 | |
| 0 | 145 if (special) { |
| 146 | |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
147 base = os::reserve_memory_special(size, alignment, requested_address, executable); |
| 0 | 148 |
| 149 if (base != NULL) { | |
| 1618 | 150 if (failed_to_reserve_as_requested(base, requested_address, size, true)) { |
| 151 // OS ignored requested address. Try different address. | |
| 152 return; | |
| 153 } | |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
154 // Check alignment constraints. |
|
3824
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
155 assert((uintptr_t) base % alignment == 0, |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
156 err_msg("Large pages returned a non-aligned address, base: " |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
157 PTR_FORMAT " alignment: " PTR_FORMAT, |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
158 base, (void*)(uintptr_t)alignment)); |
| 0 | 159 _special = true; |
| 160 } else { | |
| 161 // failed; try to reserve regular memory below | |
| 1618 | 162 if (UseLargePages && (!FLAG_IS_DEFAULT(UseLargePages) || |
| 163 !FLAG_IS_DEFAULT(LargePageSizeInBytes))) { | |
| 164 if (PrintCompressedOopsMode) { | |
| 165 tty->cr(); | |
| 166 tty->print_cr("Reserve regular memory without large pages."); | |
| 167 } | |
| 168 } | |
| 0 | 169 } |
| 170 } | |
| 171 | |
| 172 if (base == NULL) { | |
| 173 // Optimistically assume that the OSes returns an aligned base pointer. | |
| 174 // When reserving a large address range, most OSes seem to align to at | |
| 175 // least 64K. | |
| 176 | |
| 177 // If the memory was requested at a particular address, use | |
| 178 // os::attempt_reserve_memory_at() to avoid over mapping something | |
| 179 // important. If available space is not detected, return NULL. | |
| 180 | |
| 181 if (requested_address != 0) { | |
| 1618 | 182 base = os::attempt_reserve_memory_at(size, requested_address); |
| 183 if (failed_to_reserve_as_requested(base, requested_address, size, false)) { | |
| 184 // OS ignored requested address. Try different address. | |
| 185 base = NULL; | |
| 186 } | |
| 0 | 187 } else { |
| 188 base = os::reserve_memory(size, NULL, alignment); | |
| 189 } | |
| 190 | |
| 191 if (base == NULL) return; | |
| 192 | |
| 193 // Check alignment constraints | |
|
3824
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
194 if ((((size_t)base + noaccess_prefix) & (alignment - 1)) != 0) { |
| 0 | 195 // Base not aligned, retry |
| 196 if (!os::release_memory(base, size)) fatal("os::release_memory failed"); | |
|
7433
730cc4ddd550
7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents:
6725
diff
changeset
|
197 // Make sure that size is aligned |
| 0 | 198 size = align_size_up(size, alignment); |
|
7433
730cc4ddd550
7173959: Jvm crashed during coherence exabus (tmb) testing
brutisso
parents:
6725
diff
changeset
|
199 base = os::reserve_memory_aligned(size, alignment); |
|
3824
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
200 |
|
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
201 if (requested_address != 0 && |
|
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
202 failed_to_reserve_as_requested(base, requested_address, size, false)) { |
|
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
203 // As a result of the alignment constraints, the allocated base differs |
|
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
204 // from the requested address. Return back to the caller who can |
|
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
205 // take remedial action (like try again without a requested address). |
|
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
206 assert(_base == NULL, "should be"); |
|
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
207 return; |
|
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
208 } |
| 0 | 209 } |
| 210 } | |
| 211 // Done | |
| 212 _base = base; | |
| 213 _size = size; | |
|
3824
6aa4feb8a366
7069863: G1: SIGSEGV running SPECjbb2011 and -UseBiasedLocking
johnc
parents:
1972
diff
changeset
|
214 _alignment = alignment; |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
215 _noaccess_prefix = noaccess_prefix; |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
216 |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
217 // Assert that if noaccess_prefix is used, it is the same as alignment. |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
218 assert(noaccess_prefix == 0 || |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
219 noaccess_prefix == _alignment, "noaccess prefix wrong"); |
| 0 | 220 |
| 221 assert(markOopDesc::encode_pointer_as_mark(_base)->decode_pointer() == _base, | |
| 222 "area must be distinguisable from marks for mark-sweep"); | |
| 223 assert(markOopDesc::encode_pointer_as_mark(&_base[size])->decode_pointer() == &_base[size], | |
| 224 "area must be distinguisable from marks for mark-sweep"); | |
| 225 } | |
| 226 | |
| 227 | |
| 228 ReservedSpace::ReservedSpace(char* base, size_t size, size_t alignment, | |
| 656 | 229 bool special, bool executable) { |
| 0 | 230 assert((size % os::vm_allocation_granularity()) == 0, |
| 231 "size not allocation aligned"); | |
| 232 _base = base; | |
| 233 _size = size; | |
| 234 _alignment = alignment; | |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
235 _noaccess_prefix = 0; |
| 0 | 236 _special = special; |
| 656 | 237 _executable = executable; |
| 0 | 238 } |
| 239 | |
| 240 | |
| 241 ReservedSpace ReservedSpace::first_part(size_t partition_size, size_t alignment, | |
| 242 bool split, bool realloc) { | |
| 243 assert(partition_size <= size(), "partition failed"); | |
| 244 if (split) { | |
| 656 | 245 os::split_reserved_memory(base(), size(), partition_size, realloc); |
| 0 | 246 } |
| 656 | 247 ReservedSpace result(base(), partition_size, alignment, special(), |
| 248 executable()); | |
| 0 | 249 return result; |
| 250 } | |
| 251 | |
| 252 | |
| 253 ReservedSpace | |
| 254 ReservedSpace::last_part(size_t partition_size, size_t alignment) { | |
| 255 assert(partition_size <= size(), "partition failed"); | |
| 256 ReservedSpace result(base() + partition_size, size() - partition_size, | |
| 656 | 257 alignment, special(), executable()); |
| 0 | 258 return result; |
| 259 } | |
| 260 | |
| 261 | |
| 262 size_t ReservedSpace::page_align_size_up(size_t size) { | |
| 263 return align_size_up(size, os::vm_page_size()); | |
| 264 } | |
| 265 | |
| 266 | |
| 267 size_t ReservedSpace::page_align_size_down(size_t size) { | |
| 268 return align_size_down(size, os::vm_page_size()); | |
| 269 } | |
| 270 | |
| 271 | |
| 272 size_t ReservedSpace::allocation_align_size_up(size_t size) { | |
| 273 return align_size_up(size, os::vm_allocation_granularity()); | |
| 274 } | |
| 275 | |
| 276 | |
| 277 size_t ReservedSpace::allocation_align_size_down(size_t size) { | |
| 278 return align_size_down(size, os::vm_allocation_granularity()); | |
| 279 } | |
| 280 | |
| 281 | |
| 282 void ReservedSpace::release() { | |
| 283 if (is_reserved()) { | |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
284 char *real_base = _base - _noaccess_prefix; |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
285 const size_t real_size = _size + _noaccess_prefix; |
| 0 | 286 if (special()) { |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
287 os::release_memory_special(real_base, real_size); |
| 0 | 288 } else{ |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
289 os::release_memory(real_base, real_size); |
| 0 | 290 } |
| 291 _base = NULL; | |
| 292 _size = 0; | |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
293 _noaccess_prefix = 0; |
| 0 | 294 _special = false; |
| 656 | 295 _executable = false; |
| 0 | 296 } |
| 297 } | |
| 298 | |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
299 void ReservedSpace::protect_noaccess_prefix(const size_t size) { |
| 1618 | 300 assert( (_noaccess_prefix != 0) == (UseCompressedOops && _base != NULL && |
|
4934
7df3125953cb
7146354: Re-enable Compressed OOPs after 7118647 is resolved
coleenp
parents:
3960
diff
changeset
|
301 (Universe::narrow_oop_base() != NULL) && |
| 1618 | 302 Universe::narrow_oop_use_implicit_null_checks()), |
| 303 "noaccess_prefix should be used only with non zero based compressed oops"); | |
| 304 | |
| 305 // If there is no noaccess prefix, return. | |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
306 if (_noaccess_prefix == 0) return; |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
307 |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
308 assert(_noaccess_prefix >= (size_t)os::vm_page_size(), |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
309 "must be at least page size big"); |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
310 |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
311 // Protect memory at the base of the allocated region. |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
312 // If special, the page was committed (only matters on windows) |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
313 if (!os::protect_memory(_base, _noaccess_prefix, os::MEM_PROT_NONE, |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
314 _special)) { |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
315 fatal("cannot protect protection page"); |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
316 } |
| 1618 | 317 if (PrintCompressedOopsMode) { |
| 318 tty->cr(); | |
| 319 tty->print_cr("Protected page at the reserved heap base: " PTR_FORMAT " / " INTX_FORMAT " bytes", _base, _noaccess_prefix); | |
| 320 } | |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
321 |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
322 _base += _noaccess_prefix; |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
323 _size -= _noaccess_prefix; |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
324 assert((size == _size) && ((uintptr_t)_base % _alignment == 0), |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
325 "must be exactly of required size and alignment"); |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
326 } |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
327 |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
328 ReservedHeapSpace::ReservedHeapSpace(size_t size, size_t alignment, |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
329 bool large, char* requested_address) : |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
330 ReservedSpace(size, alignment, large, |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
331 requested_address, |
|
642
660978a2a31a
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
380
diff
changeset
|
332 (UseCompressedOops && (Universe::narrow_oop_base() != NULL) && |
|
660978a2a31a
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
380
diff
changeset
|
333 Universe::narrow_oop_use_implicit_null_checks()) ? |
|
325
93befa083681
6741004: UseLargePages + UseCompressedOops breaks implicit null checking guard page
coleenp
parents:
237
diff
changeset
|
334 lcm(os::vm_page_size(), alignment) : 0) { |
| 6197 | 335 if (base() > 0) { |
| 336 MemTracker::record_virtual_memory_type((address)base(), mtJavaHeap); | |
| 337 } | |
| 338 | |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
339 // Only reserved space for the java heap should have a noaccess_prefix |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
340 // if using compressed oops. |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
341 protect_noaccess_prefix(size); |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
342 } |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
343 |
| 656 | 344 // Reserve space for code segment. Same as Java heap only we mark this as |
| 345 // executable. | |
| 346 ReservedCodeSpace::ReservedCodeSpace(size_t r_size, | |
| 347 size_t rs_align, | |
| 348 bool large) : | |
| 349 ReservedSpace(r_size, rs_align, large, /*executable*/ true) { | |
| 6197 | 350 MemTracker::record_virtual_memory_type((address)base(), mtCode); |
| 656 | 351 } |
| 352 | |
| 0 | 353 // VirtualSpace |
| 354 | |
| 355 VirtualSpace::VirtualSpace() { | |
| 356 _low_boundary = NULL; | |
| 357 _high_boundary = NULL; | |
| 358 _low = NULL; | |
| 359 _high = NULL; | |
| 360 _lower_high = NULL; | |
| 361 _middle_high = NULL; | |
| 362 _upper_high = NULL; | |
| 363 _lower_high_boundary = NULL; | |
| 364 _middle_high_boundary = NULL; | |
| 365 _upper_high_boundary = NULL; | |
| 366 _lower_alignment = 0; | |
| 367 _middle_alignment = 0; | |
| 368 _upper_alignment = 0; | |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
369 _special = false; |
| 656 | 370 _executable = false; |
| 0 | 371 } |
| 372 | |
| 373 | |
| 374 bool VirtualSpace::initialize(ReservedSpace rs, size_t committed_size) { | |
|
12834
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
375 const size_t max_commit_granularity = os::page_size_for_region(rs.size(), rs.size(), 1); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
376 return initialize_with_granularity(rs, committed_size, max_commit_granularity); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
377 } |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
378 |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
379 bool VirtualSpace::initialize_with_granularity(ReservedSpace rs, size_t committed_size, size_t max_commit_granularity) { |
| 0 | 380 if(!rs.is_reserved()) return false; // allocation failed. |
| 381 assert(_low_boundary == NULL, "VirtualSpace already initialized"); | |
|
12834
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
382 assert(max_commit_granularity > 0, "Granularity must be non-zero."); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
383 |
| 0 | 384 _low_boundary = rs.base(); |
| 385 _high_boundary = low_boundary() + rs.size(); | |
| 386 | |
| 387 _low = low_boundary(); | |
| 388 _high = low(); | |
| 389 | |
| 390 _special = rs.special(); | |
| 656 | 391 _executable = rs.executable(); |
| 0 | 392 |
| 393 // When a VirtualSpace begins life at a large size, make all future expansion | |
| 394 // and shrinking occur aligned to a granularity of large pages. This avoids | |
| 395 // fragmentation of physical addresses that inhibits the use of large pages | |
| 396 // by the OS virtual memory system. Empirically, we see that with a 4MB | |
| 397 // page size, the only spaces that get handled this way are codecache and | |
| 398 // the heap itself, both of which provide a substantial performance | |
| 399 // boost in many benchmarks when covered by large pages. | |
| 400 // | |
| 401 // No attempt is made to force large page alignment at the very top and | |
| 402 // bottom of the space if they are not aligned so already. | |
| 403 _lower_alignment = os::vm_page_size(); | |
|
12834
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
404 _middle_alignment = max_commit_granularity; |
| 0 | 405 _upper_alignment = os::vm_page_size(); |
| 406 | |
| 407 // End of each region | |
| 408 _lower_high_boundary = (char*) round_to((intptr_t) low_boundary(), middle_alignment()); | |
| 409 _middle_high_boundary = (char*) round_down((intptr_t) high_boundary(), middle_alignment()); | |
| 410 _upper_high_boundary = high_boundary(); | |
| 411 | |
| 412 // High address of each region | |
| 413 _lower_high = low_boundary(); | |
| 414 _middle_high = lower_high_boundary(); | |
| 415 _upper_high = middle_high_boundary(); | |
| 416 | |
| 417 // commit to initial size | |
| 418 if (committed_size > 0) { | |
| 419 if (!expand_by(committed_size)) { | |
| 420 return false; | |
| 421 } | |
| 422 } | |
| 423 return true; | |
| 424 } | |
| 425 | |
| 426 | |
| 427 VirtualSpace::~VirtualSpace() { | |
| 428 release(); | |
| 429 } | |
| 430 | |
| 431 | |
| 432 void VirtualSpace::release() { | |
|
237
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
433 // This does not release memory it never reserved. |
|
1fdb98a17101
6716785: implicit null checks not triggering with CompressedOops
coleenp
parents:
0
diff
changeset
|
434 // Caller must release via rs.release(); |
| 0 | 435 _low_boundary = NULL; |
| 436 _high_boundary = NULL; | |
| 437 _low = NULL; | |
| 438 _high = NULL; | |
| 439 _lower_high = NULL; | |
| 440 _middle_high = NULL; | |
| 441 _upper_high = NULL; | |
| 442 _lower_high_boundary = NULL; | |
| 443 _middle_high_boundary = NULL; | |
| 444 _upper_high_boundary = NULL; | |
| 445 _lower_alignment = 0; | |
| 446 _middle_alignment = 0; | |
| 447 _upper_alignment = 0; | |
| 448 _special = false; | |
| 656 | 449 _executable = false; |
| 0 | 450 } |
| 451 | |
| 452 | |
| 453 size_t VirtualSpace::committed_size() const { | |
| 454 return pointer_delta(high(), low(), sizeof(char)); | |
| 455 } | |
| 456 | |
| 457 | |
| 458 size_t VirtualSpace::reserved_size() const { | |
| 459 return pointer_delta(high_boundary(), low_boundary(), sizeof(char)); | |
| 460 } | |
| 461 | |
| 462 | |
| 463 size_t VirtualSpace::uncommitted_size() const { | |
| 464 return reserved_size() - committed_size(); | |
| 465 } | |
| 466 | |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
467 size_t VirtualSpace::actual_committed_size() const { |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
468 // Special VirtualSpaces commit all reserved space up front. |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
469 if (special()) { |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
470 return reserved_size(); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
471 } |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
472 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
473 size_t committed_low = pointer_delta(_lower_high, _low_boundary, sizeof(char)); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
474 size_t committed_middle = pointer_delta(_middle_high, _lower_high_boundary, sizeof(char)); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
475 size_t committed_high = pointer_delta(_upper_high, _middle_high_boundary, sizeof(char)); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
476 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
477 #ifdef ASSERT |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
478 size_t lower = pointer_delta(_lower_high_boundary, _low_boundary, sizeof(char)); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
479 size_t middle = pointer_delta(_middle_high_boundary, _lower_high_boundary, sizeof(char)); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
480 size_t upper = pointer_delta(_upper_high_boundary, _middle_high_boundary, sizeof(char)); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
481 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
482 if (committed_high > 0) { |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
483 assert(committed_low == lower, "Must be"); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
484 assert(committed_middle == middle, "Must be"); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
485 } |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
486 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
487 if (committed_middle > 0) { |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
488 assert(committed_low == lower, "Must be"); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
489 } |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
490 if (committed_middle < middle) { |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
491 assert(committed_high == 0, "Must be"); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
492 } |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
493 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
494 if (committed_low < lower) { |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
495 assert(committed_high == 0, "Must be"); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
496 assert(committed_middle == 0, "Must be"); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
497 } |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
498 #endif |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
499 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
500 return committed_low + committed_middle + committed_high; |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
501 } |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
502 |
| 0 | 503 |
| 504 bool VirtualSpace::contains(const void* p) const { | |
| 505 return low() <= (const char*) p && (const char*) p < high(); | |
| 506 } | |
| 507 | |
| 508 /* | |
| 509 First we need to determine if a particular virtual space is using large | |
| 510 pages. This is done at the initialize function and only virtual spaces | |
| 511 that are larger than LargePageSizeInBytes use large pages. Once we | |
| 512 have determined this, all expand_by and shrink_by calls must grow and | |
| 513 shrink by large page size chunks. If a particular request | |
| 514 is within the current large page, the call to commit and uncommit memory | |
| 515 can be ignored. In the case that the low and high boundaries of this | |
| 516 space is not large page aligned, the pages leading to the first large | |
| 517 page address and the pages after the last large page address must be | |
| 518 allocated with default pages. | |
| 519 */ | |
| 520 bool VirtualSpace::expand_by(size_t bytes, bool pre_touch) { | |
| 521 if (uncommitted_size() < bytes) return false; | |
| 522 | |
| 523 if (special()) { | |
| 524 // don't commit memory if the entire space is pinned in memory | |
| 525 _high += bytes; | |
| 526 return true; | |
| 527 } | |
| 528 | |
| 529 char* previous_high = high(); | |
| 530 char* unaligned_new_high = high() + bytes; | |
| 531 assert(unaligned_new_high <= high_boundary(), | |
| 532 "cannot expand by more than upper boundary"); | |
| 533 | |
| 534 // Calculate where the new high for each of the regions should be. If | |
| 535 // the low_boundary() and high_boundary() are LargePageSizeInBytes aligned | |
| 536 // then the unaligned lower and upper new highs would be the | |
| 537 // lower_high() and upper_high() respectively. | |
| 538 char* unaligned_lower_new_high = | |
| 539 MIN2(unaligned_new_high, lower_high_boundary()); | |
| 540 char* unaligned_middle_new_high = | |
| 541 MIN2(unaligned_new_high, middle_high_boundary()); | |
| 542 char* unaligned_upper_new_high = | |
| 543 MIN2(unaligned_new_high, upper_high_boundary()); | |
| 544 | |
| 545 // Align the new highs based on the regions alignment. lower and upper | |
| 546 // alignment will always be default page size. middle alignment will be | |
| 547 // LargePageSizeInBytes if the actual size of the virtual space is in | |
| 548 // fact larger than LargePageSizeInBytes. | |
| 549 char* aligned_lower_new_high = | |
| 550 (char*) round_to((intptr_t) unaligned_lower_new_high, lower_alignment()); | |
| 551 char* aligned_middle_new_high = | |
| 552 (char*) round_to((intptr_t) unaligned_middle_new_high, middle_alignment()); | |
| 553 char* aligned_upper_new_high = | |
| 554 (char*) round_to((intptr_t) unaligned_upper_new_high, upper_alignment()); | |
| 555 | |
| 556 // Determine which regions need to grow in this expand_by call. | |
| 557 // If you are growing in the lower region, high() must be in that | |
| 558 // region so calcuate the size based on high(). For the middle and | |
| 559 // upper regions, determine the starting point of growth based on the | |
| 560 // location of high(). By getting the MAX of the region's low address | |
| 561 // (or the prevoius region's high address) and high(), we can tell if it | |
| 562 // is an intra or inter region growth. | |
| 563 size_t lower_needs = 0; | |
| 564 if (aligned_lower_new_high > lower_high()) { | |
| 565 lower_needs = | |
| 566 pointer_delta(aligned_lower_new_high, lower_high(), sizeof(char)); | |
| 567 } | |
| 568 size_t middle_needs = 0; | |
| 569 if (aligned_middle_new_high > middle_high()) { | |
| 570 middle_needs = | |
| 571 pointer_delta(aligned_middle_new_high, middle_high(), sizeof(char)); | |
| 572 } | |
| 573 size_t upper_needs = 0; | |
| 574 if (aligned_upper_new_high > upper_high()) { | |
| 575 upper_needs = | |
| 576 pointer_delta(aligned_upper_new_high, upper_high(), sizeof(char)); | |
| 577 } | |
| 578 | |
| 579 // Check contiguity. | |
| 580 assert(low_boundary() <= lower_high() && | |
| 581 lower_high() <= lower_high_boundary(), | |
| 582 "high address must be contained within the region"); | |
| 583 assert(lower_high_boundary() <= middle_high() && | |
| 584 middle_high() <= middle_high_boundary(), | |
| 585 "high address must be contained within the region"); | |
| 586 assert(middle_high_boundary() <= upper_high() && | |
| 587 upper_high() <= upper_high_boundary(), | |
| 588 "high address must be contained within the region"); | |
| 589 | |
| 590 // Commit regions | |
| 591 if (lower_needs > 0) { | |
| 592 assert(low_boundary() <= lower_high() && | |
| 593 lower_high() + lower_needs <= lower_high_boundary(), | |
| 594 "must not expand beyond region"); | |
| 656 | 595 if (!os::commit_memory(lower_high(), lower_needs, _executable)) { |
|
10969
a837fa3d3f86
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
10187
diff
changeset
|
596 debug_only(warning("INFO: os::commit_memory(" PTR_FORMAT |
|
a837fa3d3f86
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
10187
diff
changeset
|
597 ", lower_needs=" SIZE_FORMAT ", %d) failed", |
|
a837fa3d3f86
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
10187
diff
changeset
|
598 lower_high(), lower_needs, _executable);) |
| 0 | 599 return false; |
| 600 } else { | |
| 601 _lower_high += lower_needs; | |
|
10969
a837fa3d3f86
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
10187
diff
changeset
|
602 } |
| 0 | 603 } |
| 604 if (middle_needs > 0) { | |
| 605 assert(lower_high_boundary() <= middle_high() && | |
| 606 middle_high() + middle_needs <= middle_high_boundary(), | |
| 607 "must not expand beyond region"); | |
| 656 | 608 if (!os::commit_memory(middle_high(), middle_needs, middle_alignment(), |
| 609 _executable)) { | |
|
10969
a837fa3d3f86
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
10187
diff
changeset
|
610 debug_only(warning("INFO: os::commit_memory(" PTR_FORMAT |
|
a837fa3d3f86
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
10187
diff
changeset
|
611 ", middle_needs=" SIZE_FORMAT ", " SIZE_FORMAT |
|
a837fa3d3f86
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
10187
diff
changeset
|
612 ", %d) failed", middle_high(), middle_needs, |
|
a837fa3d3f86
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
10187
diff
changeset
|
613 middle_alignment(), _executable);) |
| 0 | 614 return false; |
| 615 } | |
| 616 _middle_high += middle_needs; | |
| 617 } | |
| 618 if (upper_needs > 0) { | |
| 619 assert(middle_high_boundary() <= upper_high() && | |
| 620 upper_high() + upper_needs <= upper_high_boundary(), | |
| 621 "must not expand beyond region"); | |
| 656 | 622 if (!os::commit_memory(upper_high(), upper_needs, _executable)) { |
|
10969
a837fa3d3f86
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
10187
diff
changeset
|
623 debug_only(warning("INFO: os::commit_memory(" PTR_FORMAT |
|
a837fa3d3f86
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
10187
diff
changeset
|
624 ", upper_needs=" SIZE_FORMAT ", %d) failed", |
|
a837fa3d3f86
8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint
dcubed
parents:
10187
diff
changeset
|
625 upper_high(), upper_needs, _executable);) |
| 0 | 626 return false; |
| 627 } else { | |
| 628 _upper_high += upper_needs; | |
| 629 } | |
| 630 } | |
| 631 | |
| 632 if (pre_touch || AlwaysPreTouch) { | |
| 633 int vm_ps = os::vm_page_size(); | |
| 634 for (char* curr = previous_high; | |
| 635 curr < unaligned_new_high; | |
| 636 curr += vm_ps) { | |
| 637 // Note the use of a write here; originally we tried just a read, but | |
| 638 // since the value read was unused, the optimizer removed the read. | |
| 639 // If we ever have a concurrent touchahead thread, we'll want to use | |
| 640 // a read, to avoid the potential of overwriting data (if a mutator | |
| 641 // thread beats the touchahead thread to a page). There are various | |
| 642 // ways of making sure this read is not optimized away: for example, | |
| 643 // generating the code for a read procedure at runtime. | |
| 644 *curr = 0; | |
| 645 } | |
| 646 } | |
| 647 | |
| 648 _high += bytes; | |
| 649 return true; | |
| 650 } | |
| 651 | |
| 652 // A page is uncommitted if the contents of the entire page is deemed unusable. | |
| 653 // Continue to decrement the high() pointer until it reaches a page boundary | |
| 654 // in which case that particular page can now be uncommitted. | |
| 655 void VirtualSpace::shrink_by(size_t size) { | |
| 656 if (committed_size() < size) | |
| 657 fatal("Cannot shrink virtual space to negative size"); | |
| 658 | |
| 659 if (special()) { | |
| 660 // don't uncommit if the entire space is pinned in memory | |
| 661 _high -= size; | |
| 662 return; | |
| 663 } | |
| 664 | |
| 665 char* unaligned_new_high = high() - size; | |
| 666 assert(unaligned_new_high >= low_boundary(), "cannot shrink past lower boundary"); | |
| 667 | |
| 668 // Calculate new unaligned address | |
| 669 char* unaligned_upper_new_high = | |
| 670 MAX2(unaligned_new_high, middle_high_boundary()); | |
| 671 char* unaligned_middle_new_high = | |
| 672 MAX2(unaligned_new_high, lower_high_boundary()); | |
| 673 char* unaligned_lower_new_high = | |
| 674 MAX2(unaligned_new_high, low_boundary()); | |
| 675 | |
| 676 // Align address to region's alignment | |
| 677 char* aligned_upper_new_high = | |
| 678 (char*) round_to((intptr_t) unaligned_upper_new_high, upper_alignment()); | |
| 679 char* aligned_middle_new_high = | |
| 680 (char*) round_to((intptr_t) unaligned_middle_new_high, middle_alignment()); | |
| 681 char* aligned_lower_new_high = | |
| 682 (char*) round_to((intptr_t) unaligned_lower_new_high, lower_alignment()); | |
| 683 | |
| 684 // Determine which regions need to shrink | |
| 685 size_t upper_needs = 0; | |
| 686 if (aligned_upper_new_high < upper_high()) { | |
| 687 upper_needs = | |
| 688 pointer_delta(upper_high(), aligned_upper_new_high, sizeof(char)); | |
| 689 } | |
| 690 size_t middle_needs = 0; | |
| 691 if (aligned_middle_new_high < middle_high()) { | |
| 692 middle_needs = | |
| 693 pointer_delta(middle_high(), aligned_middle_new_high, sizeof(char)); | |
| 694 } | |
| 695 size_t lower_needs = 0; | |
| 696 if (aligned_lower_new_high < lower_high()) { | |
| 697 lower_needs = | |
| 698 pointer_delta(lower_high(), aligned_lower_new_high, sizeof(char)); | |
| 699 } | |
| 700 | |
| 701 // Check contiguity. | |
| 702 assert(middle_high_boundary() <= upper_high() && | |
| 703 upper_high() <= upper_high_boundary(), | |
| 704 "high address must be contained within the region"); | |
| 705 assert(lower_high_boundary() <= middle_high() && | |
| 706 middle_high() <= middle_high_boundary(), | |
| 707 "high address must be contained within the region"); | |
| 708 assert(low_boundary() <= lower_high() && | |
| 709 lower_high() <= lower_high_boundary(), | |
| 710 "high address must be contained within the region"); | |
| 711 | |
| 712 // Uncommit | |
| 713 if (upper_needs > 0) { | |
| 714 assert(middle_high_boundary() <= aligned_upper_new_high && | |
| 715 aligned_upper_new_high + upper_needs <= upper_high_boundary(), | |
| 716 "must not shrink beyond region"); | |
| 717 if (!os::uncommit_memory(aligned_upper_new_high, upper_needs)) { | |
| 718 debug_only(warning("os::uncommit_memory failed")); | |
| 719 return; | |
| 720 } else { | |
| 721 _upper_high -= upper_needs; | |
| 722 } | |
| 723 } | |
| 724 if (middle_needs > 0) { | |
| 725 assert(lower_high_boundary() <= aligned_middle_new_high && | |
| 726 aligned_middle_new_high + middle_needs <= middle_high_boundary(), | |
| 727 "must not shrink beyond region"); | |
| 728 if (!os::uncommit_memory(aligned_middle_new_high, middle_needs)) { | |
| 729 debug_only(warning("os::uncommit_memory failed")); | |
| 730 return; | |
| 731 } else { | |
| 732 _middle_high -= middle_needs; | |
| 733 } | |
| 734 } | |
| 735 if (lower_needs > 0) { | |
| 736 assert(low_boundary() <= aligned_lower_new_high && | |
| 737 aligned_lower_new_high + lower_needs <= lower_high_boundary(), | |
| 738 "must not shrink beyond region"); | |
| 739 if (!os::uncommit_memory(aligned_lower_new_high, lower_needs)) { | |
| 740 debug_only(warning("os::uncommit_memory failed")); | |
| 741 return; | |
| 742 } else { | |
| 743 _lower_high -= lower_needs; | |
| 744 } | |
| 745 } | |
| 746 | |
| 747 _high -= size; | |
| 748 } | |
| 749 | |
| 750 #ifndef PRODUCT | |
| 751 void VirtualSpace::check_for_contiguity() { | |
| 752 // Check contiguity. | |
| 753 assert(low_boundary() <= lower_high() && | |
| 754 lower_high() <= lower_high_boundary(), | |
| 755 "high address must be contained within the region"); | |
| 756 assert(lower_high_boundary() <= middle_high() && | |
| 757 middle_high() <= middle_high_boundary(), | |
| 758 "high address must be contained within the region"); | |
| 759 assert(middle_high_boundary() <= upper_high() && | |
| 760 upper_high() <= upper_high_boundary(), | |
| 761 "high address must be contained within the region"); | |
| 762 assert(low() >= low_boundary(), "low"); | |
| 763 assert(low_boundary() <= lower_high_boundary(), "lower high boundary"); | |
| 764 assert(upper_high_boundary() <= high_boundary(), "upper high boundary"); | |
| 765 assert(high() <= upper_high(), "upper high"); | |
| 766 } | |
| 767 | |
|
12240
8c5e6482cbfc
8024752: Log TraceMetadata* output to gclog_or_tty instead of tty
stefank
parents:
12236
diff
changeset
|
768 void VirtualSpace::print_on(outputStream* out) { |
|
8c5e6482cbfc
8024752: Log TraceMetadata* output to gclog_or_tty instead of tty
stefank
parents:
12236
diff
changeset
|
769 out->print ("Virtual space:"); |
|
8c5e6482cbfc
8024752: Log TraceMetadata* output to gclog_or_tty instead of tty
stefank
parents:
12236
diff
changeset
|
770 if (special()) out->print(" (pinned in memory)"); |
|
8c5e6482cbfc
8024752: Log TraceMetadata* output to gclog_or_tty instead of tty
stefank
parents:
12236
diff
changeset
|
771 out->cr(); |
|
8c5e6482cbfc
8024752: Log TraceMetadata* output to gclog_or_tty instead of tty
stefank
parents:
12236
diff
changeset
|
772 out->print_cr(" - committed: " SIZE_FORMAT, committed_size()); |
|
8c5e6482cbfc
8024752: Log TraceMetadata* output to gclog_or_tty instead of tty
stefank
parents:
12236
diff
changeset
|
773 out->print_cr(" - reserved: " SIZE_FORMAT, reserved_size()); |
|
8c5e6482cbfc
8024752: Log TraceMetadata* output to gclog_or_tty instead of tty
stefank
parents:
12236
diff
changeset
|
774 out->print_cr(" - [low, high]: [" INTPTR_FORMAT ", " INTPTR_FORMAT "]", low(), high()); |
|
8c5e6482cbfc
8024752: Log TraceMetadata* output to gclog_or_tty instead of tty
stefank
parents:
12236
diff
changeset
|
775 out->print_cr(" - [low_b, high_b]: [" INTPTR_FORMAT ", " INTPTR_FORMAT "]", low_boundary(), high_boundary()); |
| 0 | 776 } |
| 777 | |
|
12240
8c5e6482cbfc
8024752: Log TraceMetadata* output to gclog_or_tty instead of tty
stefank
parents:
12236
diff
changeset
|
778 void VirtualSpace::print() { |
|
8c5e6482cbfc
8024752: Log TraceMetadata* output to gclog_or_tty instead of tty
stefank
parents:
12236
diff
changeset
|
779 print_on(tty); |
|
8c5e6482cbfc
8024752: Log TraceMetadata* output to gclog_or_tty instead of tty
stefank
parents:
12236
diff
changeset
|
780 } |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
781 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
782 /////////////// Unit tests /////////////// |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
783 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
784 #ifndef PRODUCT |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
785 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
786 #define test_log(...) \ |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
787 do {\ |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
788 if (VerboseInternalVMTests) { \ |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
789 tty->print_cr(__VA_ARGS__); \ |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
790 tty->flush(); \ |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
791 }\ |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
792 } while (false) |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
793 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
794 class TestReservedSpace : AllStatic { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
795 public: |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
796 static void small_page_write(void* addr, size_t size) { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
797 size_t page_size = os::vm_page_size(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
798 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
799 char* end = (char*)addr + size; |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
800 for (char* p = (char*)addr; p < end; p += page_size) { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
801 *p = 1; |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
802 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
803 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
804 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
805 static void release_memory_for_test(ReservedSpace rs) { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
806 if (rs.special()) { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
807 guarantee(os::release_memory_special(rs.base(), rs.size()), "Shouldn't fail"); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
808 } else { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
809 guarantee(os::release_memory(rs.base(), rs.size()), "Shouldn't fail"); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
810 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
811 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
812 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
813 static void test_reserved_space1(size_t size, size_t alignment) { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
814 test_log("test_reserved_space1(%p)", (void*) (uintptr_t) size); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
815 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
816 assert(is_size_aligned(size, alignment), "Incorrect input parameters"); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
817 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
818 ReservedSpace rs(size, // size |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
819 alignment, // alignment |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
820 UseLargePages, // large |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
821 NULL, // requested_address |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
822 0); // noacces_prefix |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
823 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
824 test_log(" rs.special() == %d", rs.special()); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
825 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
826 assert(rs.base() != NULL, "Must be"); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
827 assert(rs.size() == size, "Must be"); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
828 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
829 assert(is_ptr_aligned(rs.base(), alignment), "aligned sizes should always give aligned addresses"); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
830 assert(is_size_aligned(rs.size(), alignment), "aligned sizes should always give aligned addresses"); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
831 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
832 if (rs.special()) { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
833 small_page_write(rs.base(), size); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
834 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
835 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
836 release_memory_for_test(rs); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
837 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
838 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
839 static void test_reserved_space2(size_t size) { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
840 test_log("test_reserved_space2(%p)", (void*)(uintptr_t)size); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
841 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
842 assert(is_size_aligned(size, os::vm_allocation_granularity()), "Must be at least AG aligned"); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
843 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
844 ReservedSpace rs(size); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
845 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
846 test_log(" rs.special() == %d", rs.special()); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
847 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
848 assert(rs.base() != NULL, "Must be"); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
849 assert(rs.size() == size, "Must be"); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
850 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
851 if (rs.special()) { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
852 small_page_write(rs.base(), size); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
853 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
854 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
855 release_memory_for_test(rs); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
856 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
857 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
858 static void test_reserved_space3(size_t size, size_t alignment, bool maybe_large) { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
859 test_log("test_reserved_space3(%p, %p, %d)", |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
860 (void*)(uintptr_t)size, (void*)(uintptr_t)alignment, maybe_large); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
861 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
862 assert(is_size_aligned(size, os::vm_allocation_granularity()), "Must be at least AG aligned"); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
863 assert(is_size_aligned(size, alignment), "Must be at least aligned against alignment"); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
864 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
865 bool large = maybe_large && UseLargePages && size >= os::large_page_size(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
866 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
867 ReservedSpace rs(size, alignment, large, false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
868 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
869 test_log(" rs.special() == %d", rs.special()); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
870 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
871 assert(rs.base() != NULL, "Must be"); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
872 assert(rs.size() == size, "Must be"); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
873 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
874 if (rs.special()) { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
875 small_page_write(rs.base(), size); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
876 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
877 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
878 release_memory_for_test(rs); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
879 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
880 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
881 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
882 static void test_reserved_space1() { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
883 size_t size = 2 * 1024 * 1024; |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
884 size_t ag = os::vm_allocation_granularity(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
885 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
886 test_reserved_space1(size, ag); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
887 test_reserved_space1(size * 2, ag); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
888 test_reserved_space1(size * 10, ag); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
889 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
890 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
891 static void test_reserved_space2() { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
892 size_t size = 2 * 1024 * 1024; |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
893 size_t ag = os::vm_allocation_granularity(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
894 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
895 test_reserved_space2(size * 1); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
896 test_reserved_space2(size * 2); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
897 test_reserved_space2(size * 10); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
898 test_reserved_space2(ag); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
899 test_reserved_space2(size - ag); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
900 test_reserved_space2(size); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
901 test_reserved_space2(size + ag); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
902 test_reserved_space2(size * 2); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
903 test_reserved_space2(size * 2 - ag); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
904 test_reserved_space2(size * 2 + ag); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
905 test_reserved_space2(size * 3); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
906 test_reserved_space2(size * 3 - ag); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
907 test_reserved_space2(size * 3 + ag); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
908 test_reserved_space2(size * 10); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
909 test_reserved_space2(size * 10 + size / 2); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
910 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
911 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
912 static void test_reserved_space3() { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
913 size_t ag = os::vm_allocation_granularity(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
914 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
915 test_reserved_space3(ag, ag , false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
916 test_reserved_space3(ag * 2, ag , false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
917 test_reserved_space3(ag * 3, ag , false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
918 test_reserved_space3(ag * 2, ag * 2, false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
919 test_reserved_space3(ag * 4, ag * 2, false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
920 test_reserved_space3(ag * 8, ag * 2, false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
921 test_reserved_space3(ag * 4, ag * 4, false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
922 test_reserved_space3(ag * 8, ag * 4, false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
923 test_reserved_space3(ag * 16, ag * 4, false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
924 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
925 if (UseLargePages) { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
926 size_t lp = os::large_page_size(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
927 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
928 // Without large pages |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
929 test_reserved_space3(lp, ag * 4, false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
930 test_reserved_space3(lp * 2, ag * 4, false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
931 test_reserved_space3(lp * 4, ag * 4, false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
932 test_reserved_space3(lp, lp , false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
933 test_reserved_space3(lp * 2, lp , false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
934 test_reserved_space3(lp * 3, lp , false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
935 test_reserved_space3(lp * 2, lp * 2, false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
936 test_reserved_space3(lp * 4, lp * 2, false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
937 test_reserved_space3(lp * 8, lp * 2, false); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
938 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
939 // With large pages |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
940 test_reserved_space3(lp, ag * 4 , true); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
941 test_reserved_space3(lp * 2, ag * 4, true); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
942 test_reserved_space3(lp * 4, ag * 4, true); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
943 test_reserved_space3(lp, lp , true); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
944 test_reserved_space3(lp * 2, lp , true); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
945 test_reserved_space3(lp * 3, lp , true); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
946 test_reserved_space3(lp * 2, lp * 2, true); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
947 test_reserved_space3(lp * 4, lp * 2, true); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
948 test_reserved_space3(lp * 8, lp * 2, true); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
949 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
950 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
951 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
952 static void test_reserved_space() { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
953 test_reserved_space1(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
954 test_reserved_space2(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
955 test_reserved_space3(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
956 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
957 }; |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
958 |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
959 void TestReservedSpace_test() { |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
960 TestReservedSpace::test_reserved_space(); |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
961 } |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
962 |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
963 #define assert_equals(actual, expected) \ |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
964 assert(actual == expected, \ |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
965 err_msg("Got " SIZE_FORMAT " expected " \ |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
966 SIZE_FORMAT, actual, expected)); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
967 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
968 #define assert_ge(value1, value2) \ |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
969 assert(value1 >= value2, \ |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
970 err_msg("'" #value1 "': " SIZE_FORMAT " '" \ |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
971 #value2 "': " SIZE_FORMAT, value1, value2)); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
972 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
973 #define assert_lt(value1, value2) \ |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
974 assert(value1 < value2, \ |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
975 err_msg("'" #value1 "': " SIZE_FORMAT " '" \ |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
976 #value2 "': " SIZE_FORMAT, value1, value2)); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
977 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
978 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
979 class TestVirtualSpace : AllStatic { |
|
12834
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
980 enum TestLargePages { |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
981 Default, |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
982 Disable, |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
983 Reserve, |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
984 Commit |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
985 }; |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
986 |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
987 static ReservedSpace reserve_memory(size_t reserve_size_aligned, TestLargePages mode) { |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
988 switch(mode) { |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
989 default: |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
990 case Default: |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
991 case Reserve: |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
992 return ReservedSpace(reserve_size_aligned); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
993 case Disable: |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
994 case Commit: |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
995 return ReservedSpace(reserve_size_aligned, |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
996 os::vm_allocation_granularity(), |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
997 /* large */ false, /* exec */ false); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
998 } |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
999 } |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1000 |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1001 static bool initialize_virtual_space(VirtualSpace& vs, ReservedSpace rs, TestLargePages mode) { |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1002 switch(mode) { |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1003 default: |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1004 case Default: |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1005 case Reserve: |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1006 return vs.initialize(rs, 0); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1007 case Disable: |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1008 return vs.initialize_with_granularity(rs, 0, os::vm_page_size()); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1009 case Commit: |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1010 return vs.initialize_with_granularity(rs, 0, os::page_size_for_region(rs.size(), rs.size(), 1)); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1011 } |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1012 } |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1013 |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1014 public: |
|
12834
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1015 static void test_virtual_space_actual_committed_space(size_t reserve_size, size_t commit_size, |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1016 TestLargePages mode = Default) { |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1017 size_t granularity = os::vm_allocation_granularity(); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1018 size_t reserve_size_aligned = align_size_up(reserve_size, granularity); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1019 |
|
12834
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1020 ReservedSpace reserved = reserve_memory(reserve_size_aligned, mode); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1021 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1022 assert(reserved.is_reserved(), "Must be"); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1023 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1024 VirtualSpace vs; |
|
12834
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1025 bool initialized = initialize_virtual_space(vs, reserved, mode); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1026 assert(initialized, "Failed to initialize VirtualSpace"); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1027 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1028 vs.expand_by(commit_size, false); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1029 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1030 if (vs.special()) { |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1031 assert_equals(vs.actual_committed_size(), reserve_size_aligned); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1032 } else { |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1033 assert_ge(vs.actual_committed_size(), commit_size); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1034 // Approximate the commit granularity. |
|
12834
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1035 // Make sure that we don't commit using large pages |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1036 // if large pages has been disabled for this VirtualSpace. |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1037 size_t commit_granularity = (mode == Disable || !UseLargePages) ? |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1038 os::vm_page_size() : os::large_page_size(); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1039 assert_lt(vs.actual_committed_size(), commit_size + commit_granularity); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1040 } |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1041 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1042 reserved.release(); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1043 } |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1044 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1045 static void test_virtual_space_actual_committed_space_one_large_page() { |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1046 if (!UseLargePages) { |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1047 return; |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1048 } |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1049 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1050 size_t large_page_size = os::large_page_size(); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1051 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1052 ReservedSpace reserved(large_page_size, large_page_size, true, false); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1053 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1054 assert(reserved.is_reserved(), "Must be"); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1055 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1056 VirtualSpace vs; |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1057 bool initialized = vs.initialize(reserved, 0); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1058 assert(initialized, "Failed to initialize VirtualSpace"); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1059 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1060 vs.expand_by(large_page_size, false); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1061 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1062 assert_equals(vs.actual_committed_size(), large_page_size); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1063 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1064 reserved.release(); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1065 } |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1066 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1067 static void test_virtual_space_actual_committed_space() { |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1068 test_virtual_space_actual_committed_space(4 * K, 0); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1069 test_virtual_space_actual_committed_space(4 * K, 4 * K); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1070 test_virtual_space_actual_committed_space(8 * K, 0); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1071 test_virtual_space_actual_committed_space(8 * K, 4 * K); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1072 test_virtual_space_actual_committed_space(8 * K, 8 * K); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1073 test_virtual_space_actual_committed_space(12 * K, 0); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1074 test_virtual_space_actual_committed_space(12 * K, 4 * K); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1075 test_virtual_space_actual_committed_space(12 * K, 8 * K); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1076 test_virtual_space_actual_committed_space(12 * K, 12 * K); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1077 test_virtual_space_actual_committed_space(64 * K, 0); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1078 test_virtual_space_actual_committed_space(64 * K, 32 * K); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1079 test_virtual_space_actual_committed_space(64 * K, 64 * K); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1080 test_virtual_space_actual_committed_space(2 * M, 0); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1081 test_virtual_space_actual_committed_space(2 * M, 4 * K); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1082 test_virtual_space_actual_committed_space(2 * M, 64 * K); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1083 test_virtual_space_actual_committed_space(2 * M, 1 * M); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1084 test_virtual_space_actual_committed_space(2 * M, 2 * M); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1085 test_virtual_space_actual_committed_space(10 * M, 0); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1086 test_virtual_space_actual_committed_space(10 * M, 4 * K); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1087 test_virtual_space_actual_committed_space(10 * M, 8 * K); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1088 test_virtual_space_actual_committed_space(10 * M, 1 * M); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1089 test_virtual_space_actual_committed_space(10 * M, 2 * M); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1090 test_virtual_space_actual_committed_space(10 * M, 5 * M); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1091 test_virtual_space_actual_committed_space(10 * M, 10 * M); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1092 } |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1093 |
|
12834
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1094 static void test_virtual_space_disable_large_pages() { |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1095 if (!UseLargePages) { |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1096 return; |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1097 } |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1098 // These test cases verify that if we force VirtualSpace to disable large pages |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1099 test_virtual_space_actual_committed_space(10 * M, 0, Disable); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1100 test_virtual_space_actual_committed_space(10 * M, 4 * K, Disable); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1101 test_virtual_space_actual_committed_space(10 * M, 8 * K, Disable); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1102 test_virtual_space_actual_committed_space(10 * M, 1 * M, Disable); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1103 test_virtual_space_actual_committed_space(10 * M, 2 * M, Disable); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1104 test_virtual_space_actual_committed_space(10 * M, 5 * M, Disable); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1105 test_virtual_space_actual_committed_space(10 * M, 10 * M, Disable); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1106 |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1107 test_virtual_space_actual_committed_space(10 * M, 0, Reserve); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1108 test_virtual_space_actual_committed_space(10 * M, 4 * K, Reserve); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1109 test_virtual_space_actual_committed_space(10 * M, 8 * K, Reserve); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1110 test_virtual_space_actual_committed_space(10 * M, 1 * M, Reserve); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1111 test_virtual_space_actual_committed_space(10 * M, 2 * M, Reserve); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1112 test_virtual_space_actual_committed_space(10 * M, 5 * M, Reserve); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1113 test_virtual_space_actual_committed_space(10 * M, 10 * M, Reserve); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1114 |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1115 test_virtual_space_actual_committed_space(10 * M, 0, Commit); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1116 test_virtual_space_actual_committed_space(10 * M, 4 * K, Commit); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1117 test_virtual_space_actual_committed_space(10 * M, 8 * K, Commit); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1118 test_virtual_space_actual_committed_space(10 * M, 1 * M, Commit); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1119 test_virtual_space_actual_committed_space(10 * M, 2 * M, Commit); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1120 test_virtual_space_actual_committed_space(10 * M, 5 * M, Commit); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1121 test_virtual_space_actual_committed_space(10 * M, 10 * M, Commit); |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1122 } |
|
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1123 |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1124 static void test_virtual_space() { |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1125 test_virtual_space_actual_committed_space(); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1126 test_virtual_space_actual_committed_space_one_large_page(); |
|
12834
04b18a42c2f3
8025526: VirtualSpace should support per-instance disabling of large pages
mgerdin
parents:
12240
diff
changeset
|
1127 test_virtual_space_disable_large_pages(); |
|
12236
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1128 } |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1129 }; |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1130 |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1131 void TestVirtualSpace_test() { |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1132 TestVirtualSpace::test_virtual_space(); |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1133 } |
|
c4c768305a8f
8024638: Count and expose the amount of committed memory in the metaspaces
stefank
parents:
12110
diff
changeset
|
1134 |
|
12110
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
1135 #endif // PRODUCT |
|
4c84d351cca9
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
10969
diff
changeset
|
1136 |
| 0 | 1137 #endif |