Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/fprofiler.hpp @ 3960:f08d439fab8c
7089790: integrate bsd-port changes
Reviewed-by: kvn, twisti, jrose
Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>
| author | never |
|---|---|
| date | Sun, 25 Sep 2011 16:03:29 -0700 |
| parents | 1d1603768966 |
| children | d2a62e0f25eb |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2011, 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_RUNTIME_FPROFILER_HPP |
| 26 #define SHARE_VM_RUNTIME_FPROFILER_HPP | |
| 27 | |
| 28 #include "runtime/timer.hpp" | |
| 29 #ifdef TARGET_OS_FAMILY_linux | |
| 30 # include "thread_linux.inline.hpp" | |
| 31 #endif | |
| 32 #ifdef TARGET_OS_FAMILY_solaris | |
| 33 # include "thread_solaris.inline.hpp" | |
| 34 #endif | |
| 35 #ifdef TARGET_OS_FAMILY_windows | |
| 36 # include "thread_windows.inline.hpp" | |
| 37 #endif | |
| 3960 | 38 #ifdef TARGET_OS_FAMILY_bsd |
| 39 # include "thread_bsd.inline.hpp" | |
| 40 #endif | |
| 1972 | 41 |
| 0 | 42 // a simple flat profiler for Java |
| 43 | |
| 44 | |
| 45 // Forward declaration of classes defined in this header file | |
| 46 class ThreadProfiler; | |
| 47 class ThreadProfilerMark; | |
| 48 class FlatProfiler; | |
| 49 class IntervalData; | |
| 50 | |
| 51 // Declarations of classes defined only in the implementation. | |
| 52 class ProfilerNode; | |
| 53 class FlatProfilerTask; | |
| 54 | |
| 55 enum TickPosition { | |
| 56 tp_code, | |
| 57 tp_native | |
| 58 }; | |
| 59 | |
| 60 // One of these guys is constructed as we enter interesting regions | |
| 61 // and destructed as we exit the region. While we are in the region | |
| 62 // ticks are allotted to the region. | |
| 63 class ThreadProfilerMark: public StackObj { | |
| 64 public: | |
| 65 // For now, the only thread-specific region is the class loader. | |
| 66 enum Region { noRegion, classLoaderRegion, extraRegion, maxRegion }; | |
| 67 | |
| 68 ThreadProfilerMark(Region) KERNEL_RETURN; | |
| 69 ~ThreadProfilerMark() KERNEL_RETURN; | |
| 70 | |
| 71 private: | |
| 72 ThreadProfiler* _pp; | |
| 73 Region _r; | |
| 74 }; | |
| 75 | |
| 76 #ifndef FPROF_KERNEL | |
| 77 | |
| 78 class IntervalData VALUE_OBJ_CLASS_SPEC { | |
| 79 // Just to keep these things all together | |
| 80 private: | |
| 81 int _interpreted; | |
| 82 int _compiled; | |
| 83 int _native; | |
| 84 int _compiling; | |
| 85 public: | |
| 86 int interpreted() { | |
| 87 return _interpreted; | |
| 88 } | |
| 89 int compiled() { | |
| 90 return _compiled; | |
| 91 } | |
| 92 int native() { | |
| 93 return _native; | |
| 94 } | |
| 95 int compiling() { | |
| 96 return _compiling; | |
| 97 } | |
| 98 int total() { | |
| 99 return (interpreted() + compiled() + native() + compiling()); | |
| 100 } | |
| 101 void inc_interpreted() { | |
| 102 _interpreted += 1; | |
| 103 } | |
| 104 void inc_compiled() { | |
| 105 _compiled += 1; | |
| 106 } | |
| 107 void inc_native() { | |
| 108 _native += 1; | |
| 109 } | |
| 110 void inc_compiling() { | |
| 111 _compiling += 1; | |
| 112 } | |
| 113 void reset() { | |
| 114 _interpreted = 0; | |
| 115 _compiled = 0; | |
| 116 _native = 0; | |
| 117 _compiling = 0; | |
| 118 } | |
| 119 static void print_header(outputStream* st); | |
| 120 void print_data(outputStream* st); | |
| 121 }; | |
| 122 #endif // FPROF_KERNEL | |
| 123 | |
| 124 class ThreadProfiler: public CHeapObj { | |
| 125 public: | |
| 126 ThreadProfiler() KERNEL_RETURN; | |
| 127 ~ThreadProfiler() KERNEL_RETURN; | |
| 128 | |
| 129 // Resets the profiler | |
| 130 void reset() KERNEL_RETURN; | |
| 131 | |
| 132 // Activates the profiler for a certain thread | |
| 133 void engage() KERNEL_RETURN; | |
| 134 | |
| 135 // Deactivates the profiler | |
| 136 void disengage() KERNEL_RETURN; | |
| 137 | |
| 138 // Prints the collected profiling information | |
| 139 void print(const char* thread_name) KERNEL_RETURN; | |
| 140 | |
| 141 // Garbage Collection Support | |
| 142 void oops_do(OopClosure* f) KERNEL_RETURN; | |
| 143 | |
| 144 #ifndef FPROF_KERNEL | |
| 145 private: | |
| 146 // for recording ticks. | |
| 147 friend class ProfilerNode; | |
| 148 char* area_bottom; // preallocated area for pnodes | |
| 149 char* area_top; | |
| 150 char* area_limit; | |
| 151 static int table_size; | |
| 152 ProfilerNode** table; | |
| 153 | |
| 154 private: | |
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155 void record_interpreted_tick(JavaThread* thread, frame fr, TickPosition where, int* ticks); |
| 0 | 156 void record_compiled_tick (JavaThread* thread, frame fr, TickPosition where); |
| 157 void interpreted_update(methodOop method, TickPosition where); | |
| 158 void compiled_update (methodOop method, TickPosition where); | |
| 159 void stub_update (methodOop method, const char* name, TickPosition where); | |
| 160 void adapter_update (TickPosition where); | |
| 161 | |
| 162 void runtime_stub_update(const CodeBlob* stub, const char* name, TickPosition where); | |
| 163 void unknown_compiled_update (const CodeBlob* cb, TickPosition where); | |
| 164 | |
| 165 void vm_update (TickPosition where); | |
| 166 void vm_update (const char* name, TickPosition where); | |
| 167 | |
| 168 void record_tick_for_running_frame(JavaThread* thread, frame fr); | |
| 169 void record_tick_for_calling_frame(JavaThread* thread, frame fr); | |
| 170 | |
| 171 void initialize(); | |
| 172 | |
| 173 static int entry(int value); | |
| 174 | |
| 175 | |
| 176 private: | |
| 177 friend class FlatProfiler; | |
| 178 void record_tick(JavaThread* thread); | |
| 179 bool engaged; | |
| 180 // so we can do percentages for this thread, and quick checks for activity | |
| 181 int thread_ticks; | |
| 182 int compiler_ticks; | |
| 183 int interpreter_ticks; | |
| 184 | |
| 185 public: | |
| 186 void inc_thread_ticks() { thread_ticks += 1; } | |
| 187 | |
| 188 private: | |
| 189 friend class ThreadProfilerMark; | |
| 190 // counters for thread-specific regions | |
| 191 bool region_flag[ThreadProfilerMark::maxRegion]; | |
| 192 int class_loader_ticks; | |
| 193 int extra_ticks; | |
| 194 | |
| 195 private: | |
| 196 // other thread-specific regions | |
| 197 int blocked_ticks; | |
| 198 enum UnknownTickSites { | |
| 199 ut_null_method, | |
| 200 ut_vtable_stubs, | |
| 201 ut_running_frame, | |
| 202 ut_calling_frame, | |
| 203 ut_no_pc, | |
| 204 ut_no_last_Java_frame, | |
| 205 ut_unknown_thread_state, | |
| 206 ut_end | |
| 207 }; | |
| 208 int unknown_ticks_array[ut_end]; | |
| 209 int unknown_ticks() { | |
| 210 int result = 0; | |
| 211 for (int ut = 0; ut < ut_end; ut += 1) { | |
| 212 result += unknown_ticks_array[ut]; | |
| 213 } | |
| 214 return result; | |
| 215 } | |
| 216 | |
| 217 elapsedTimer timer; | |
| 218 | |
| 219 // For interval timing | |
| 220 private: | |
| 221 IntervalData _interval_data; | |
| 222 IntervalData interval_data() { | |
| 223 return _interval_data; | |
| 224 } | |
| 225 IntervalData* interval_data_ref() { | |
| 226 return &_interval_data; | |
| 227 } | |
| 228 #endif // FPROF_KERNEL | |
| 229 }; | |
| 230 | |
| 231 class FlatProfiler: AllStatic { | |
| 232 public: | |
| 233 static void reset() KERNEL_RETURN ; | |
| 234 static void engage(JavaThread* mainThread, bool fullProfile) KERNEL_RETURN ; | |
| 235 static void disengage() KERNEL_RETURN ; | |
| 236 static void print(int unused) KERNEL_RETURN ; | |
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237 static bool is_active() KERNEL_RETURN_(false) ; |
| 0 | 238 |
| 239 // This is NULL if each thread has its own thread profiler, | |
| 240 // else this is the single thread profiler used by all threads. | |
| 241 // In particular it makes a difference during garbage collection, | |
| 242 // where you only want to traverse each thread profiler once. | |
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243 static ThreadProfiler* get_thread_profiler() KERNEL_RETURN_(NULL); |
| 0 | 244 |
| 245 // Garbage Collection Support | |
| 246 static void oops_do(OopClosure* f) KERNEL_RETURN ; | |
| 247 | |
| 248 // Support for disassembler to inspect the PCRecorder | |
| 249 | |
| 250 // Returns the start address for a given pc | |
| 251 // NULL is returned if the PCRecorder is inactive | |
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252 static address bucket_start_for(address pc) KERNEL_RETURN_(NULL); |
| 0 | 253 |
| 254 enum { MillisecsPerTick = 10 }; // ms per profiling ticks | |
| 255 | |
| 256 // Returns the number of ticks recorded for the bucket | |
| 257 // pc belongs to. | |
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258 static int bucket_count_for(address pc) KERNEL_RETURN_(0); |
| 0 | 259 |
| 260 #ifndef FPROF_KERNEL | |
| 261 | |
| 262 private: | |
| 263 static bool full_profile() { | |
| 264 return full_profile_flag; | |
| 265 } | |
| 266 | |
| 267 friend class ThreadProfiler; | |
| 268 // the following group of ticks cover everything that's not attributed to individual Java methods | |
| 269 static int received_gc_ticks; // ticks during which gc was active | |
| 270 static int vm_operation_ticks; // total ticks in vm_operations other than GC | |
| 271 static int threads_lock_ticks; // the number of times we couldn't get the Threads_lock without blocking | |
| 272 static int blocked_ticks; // ticks when the thread was blocked. | |
| 273 static int class_loader_ticks; // total ticks in class loader | |
| 274 static int extra_ticks; // total ticks an extra temporary measuring | |
| 275 static int compiler_ticks; // total ticks in compilation | |
| 276 static int interpreter_ticks; // ticks in unknown interpreted method | |
| 277 static int deopt_ticks; // ticks in deoptimization | |
| 278 static int unknown_ticks; // ticks that cannot be categorized | |
| 279 static int received_ticks; // ticks that were received by task | |
| 280 static int delivered_ticks; // ticks that were delivered by task | |
| 281 static int non_method_ticks() { | |
| 282 return | |
| 283 ( received_gc_ticks | |
| 284 + vm_operation_ticks | |
| 285 + deopt_ticks | |
| 286 + threads_lock_ticks | |
| 287 + blocked_ticks | |
| 288 + compiler_ticks | |
| 289 + interpreter_ticks | |
| 290 + unknown_ticks ); | |
| 291 } | |
| 292 static elapsedTimer timer; | |
| 293 | |
| 294 // Counts of each of the byte codes | |
| 295 static int* bytecode_ticks; | |
| 296 static int* bytecode_ticks_stub; | |
| 297 static void print_byte_code_statistics(); | |
| 298 | |
| 299 // the ticks below are for continuous profiling (to adjust recompilation, etc.) | |
| 300 static int all_ticks; // total count of ticks received so far | |
| 301 static int all_int_ticks; // ticks in interpreter | |
| 302 static int all_comp_ticks; // ticks in compiled code (+ native) | |
| 303 static bool full_profile_flag; // collecting full profile? | |
| 304 | |
| 305 // to accumulate thread-specific data | |
| 306 // if we aren't profiling individual threads. | |
| 307 static ThreadProfiler* thread_profiler; | |
| 308 static ThreadProfiler* vm_thread_profiler; | |
| 309 | |
| 310 static void allocate_table(); | |
| 311 | |
| 312 // The task that periodically interrupts things. | |
| 313 friend class FlatProfilerTask; | |
| 314 static FlatProfilerTask* task; | |
| 315 static void record_vm_operation(); | |
| 316 static void record_vm_tick(); | |
| 317 static void record_thread_ticks(); | |
| 318 | |
| 319 // For interval analysis | |
| 320 private: | |
| 321 static int interval_ticks_previous; // delivered_ticks from the last interval | |
| 322 static void interval_record_thread(ThreadProfiler* tp); // extract ticks from ThreadProfiler. | |
| 323 static void interval_print(); // print interval data. | |
| 324 static void interval_reset(); // reset interval data. | |
| 325 enum {interval_print_size = 10}; | |
| 326 static IntervalData* interval_data; | |
| 327 #endif // FPROF_KERNEL | |
| 328 }; | |
| 1972 | 329 |
| 330 #endif // SHARE_VM_RUNTIME_FPROFILER_HPP |