Mercurial > hg > truffle
annotate src/share/vm/runtime/perfData.cpp @ 12144:d8e99408faad
8009062: poor performance of JNI AttachCurrentThread after fix for 7017193
Summary: don't re-evaluate stack bounds for main thread before install guard page
Reviewed-by: coleenp, dholmes, dlong
| author | dsamersoff |
|---|---|
| date | Thu, 29 Aug 2013 21:48:23 +0400 |
| parents | f2110083203d |
| children | 63a4eb8bcd23 78bbf4d43a14 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
7623
203f64878aab
7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents:
6854
diff
changeset
|
2 * Copyright (c) 2001, 2013, 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:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
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:
0
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/vmSymbols.hpp" | |
| 27 #include "oops/oop.inline.hpp" | |
| 28 #include "runtime/handles.inline.hpp" | |
| 29 #include "runtime/java.hpp" | |
| 30 #include "runtime/mutex.hpp" | |
| 31 #include "runtime/mutexLocker.hpp" | |
| 32 #include "runtime/os.hpp" | |
| 33 #include "runtime/perfData.hpp" | |
| 34 #include "utilities/exceptions.hpp" | |
| 35 #include "utilities/globalDefinitions.hpp" | |
| 0 | 36 |
| 37 PerfDataList* PerfDataManager::_all = NULL; | |
| 38 PerfDataList* PerfDataManager::_sampled = NULL; | |
| 39 PerfDataList* PerfDataManager::_constants = NULL; | |
| 40 | |
| 41 /* | |
| 42 * The jvmstat global and subsysem jvmstat counter name spaces. The top | |
| 43 * level name spaces imply the interface stability level of the counter, | |
| 44 * which generally follows the Java package, class, and property naming | |
| 45 * conventions. The CounterNS enumeration values should be used to index | |
| 46 * into this array. | |
| 47 */ | |
| 48 const char* PerfDataManager::_name_spaces[] = { | |
| 49 // top level name spaces | |
| 50 "java", // stable and supported name space | |
| 51 "com.sun", // unstable but supported name space | |
| 52 "sun", // unstable and unsupported name space | |
| 53 // subsystem name spaces | |
| 54 "java.gc", // Garbage Collection name spaces | |
| 55 "com.sun.gc", | |
| 56 "sun.gc", | |
| 57 "java.ci", // Compiler name spaces | |
| 58 "com.sun.ci", | |
| 59 "sun.ci", | |
| 60 "java.cls", // Class Loader name spaces | |
| 61 "com.sun.cls", | |
| 62 "sun.cls", | |
| 63 "java.rt", // Runtime name spaces | |
| 64 "com.sun.rt", | |
| 65 "sun.rt", | |
| 66 "java.os", // Operating System name spaces | |
| 67 "com.sun.os", | |
| 68 "sun.os", | |
| 69 "java.threads", // Threads System name spaces | |
| 70 "com.sun.threads", | |
| 71 "sun.threads", | |
| 72 "java.property", // Java Property name spaces | |
| 73 "com.sun.property", | |
| 74 "sun.property", | |
| 75 "", | |
| 76 }; | |
| 77 | |
| 78 PerfData::PerfData(CounterNS ns, const char* name, Units u, Variability v) | |
| 79 : _name(NULL), _u(u), _v(v), _valuep(NULL), | |
| 80 _on_c_heap(false) { | |
| 81 | |
| 82 const char* prefix = PerfDataManager::ns_to_string(ns); | |
| 83 | |
| 6197 | 84 _name = NEW_C_HEAP_ARRAY(char, strlen(name) + strlen(prefix) + 2, mtInternal); |
| 0 | 85 assert(_name != NULL && strlen(name) != 0, "invalid name"); |
| 86 | |
| 87 if (ns == NULL_NS) { | |
| 88 // No prefix is added to counters with the NULL_NS namespace. | |
| 89 strcpy(_name, name); | |
| 90 // set the F_Supported flag based on the counter name prefix. | |
| 91 if (PerfDataManager::is_stable_supported(_name) || | |
| 92 PerfDataManager::is_unstable_supported(_name)) { | |
| 93 _flags = F_Supported; | |
| 94 } | |
| 95 else { | |
| 96 _flags = F_None; | |
| 97 } | |
| 98 } | |
| 99 else { | |
| 100 sprintf(_name, "%s.%s", prefix, name); | |
| 101 // set the F_Supported flag based on the given namespace. | |
| 102 if (PerfDataManager::is_stable_supported(ns) || | |
| 103 PerfDataManager::is_unstable_supported(ns)) { | |
| 104 _flags = F_Supported; | |
| 105 } | |
| 106 else { | |
| 107 _flags = F_None; | |
| 108 } | |
| 109 } | |
| 110 } | |
| 111 | |
| 112 PerfData::~PerfData() { | |
| 113 if (_name != NULL) { | |
| 6197 | 114 FREE_C_HEAP_ARRAY(char, _name, mtInternal); |
| 0 | 115 } |
| 116 if (is_on_c_heap()) { | |
| 6197 | 117 FREE_C_HEAP_ARRAY(PerfDataEntry, _pdep, mtInternal); |
| 0 | 118 } |
| 119 } | |
| 120 | |
| 121 void PerfData::create_entry(BasicType dtype, size_t dsize, size_t vlen) { | |
| 122 | |
| 123 size_t dlen = vlen==0 ? 1 : vlen; | |
| 124 | |
| 125 size_t namelen = strlen(name()) + 1; // include null terminator | |
| 126 size_t size = sizeof(PerfDataEntry) + namelen; | |
| 127 size_t pad_length = ((size % dsize) == 0) ? 0 : dsize - (size % dsize); | |
| 128 size += pad_length; | |
| 129 size_t data_start = size; | |
| 130 size += (dsize * dlen); | |
| 131 | |
| 132 // align size to assure allocation in units of 8 bytes | |
| 133 int align = sizeof(jlong) - 1; | |
| 134 size = ((size + align) & ~align); | |
| 135 char* psmp = PerfMemory::alloc(size); | |
| 136 | |
| 137 if (psmp == NULL) { | |
| 138 // out of PerfMemory memory resources. allocate on the C heap | |
| 139 // to avoid vm termination. | |
| 6197 | 140 psmp = NEW_C_HEAP_ARRAY(char, size, mtInternal); |
| 0 | 141 _on_c_heap = true; |
| 142 } | |
| 143 | |
| 144 // compute the addresses for the name and data | |
| 145 char* cname = psmp + sizeof(PerfDataEntry); | |
| 146 | |
| 147 // data is in the last dsize*dlen bytes of the entry | |
| 148 void* valuep = (void*) (psmp + data_start); | |
| 149 | |
| 150 assert(is_on_c_heap() || PerfMemory::contains(cname), "just checking"); | |
| 151 assert(is_on_c_heap() || PerfMemory::contains((char*)valuep), "just checking"); | |
| 152 | |
| 153 // copy the name, including null terminator, into PerfData memory | |
| 154 strcpy(cname, name()); | |
| 155 | |
| 156 | |
| 157 // set the header values in PerfData memory | |
| 158 PerfDataEntry* pdep = (PerfDataEntry*)psmp; | |
| 159 pdep->entry_length = (jint)size; | |
| 160 pdep->name_offset = (jint) ((uintptr_t) cname - (uintptr_t) psmp); | |
| 161 pdep->vector_length = (jint)vlen; | |
| 162 pdep->data_type = (jbyte) type2char(dtype); | |
| 163 pdep->data_units = units(); | |
| 164 pdep->data_variability = variability(); | |
| 165 pdep->flags = (jbyte)flags(); | |
| 166 pdep->data_offset = (jint) data_start; | |
| 167 | |
| 168 if (PerfTraceDataCreation) { | |
| 169 tty->print("name = %s, dtype = %d, variability = %d," | |
| 170 " units = %d, dsize = %d, vlen = %d," | |
| 171 " pad_length = %d, size = %d, on_c_heap = %s," | |
| 172 " address = " INTPTR_FORMAT "," | |
| 173 " data address = " INTPTR_FORMAT "\n", | |
| 174 cname, dtype, variability(), | |
| 175 units(), dsize, vlen, | |
| 176 pad_length, size, is_on_c_heap() ? "TRUE":"FALSE", | |
| 177 psmp, valuep); | |
| 178 } | |
| 179 | |
| 180 // record the start of the entry and the location of the data field. | |
| 181 _pdep = pdep; | |
| 182 _valuep = valuep; | |
| 183 | |
| 184 // mark the PerfData memory region as having been updated. | |
| 185 PerfMemory::mark_updated(); | |
| 186 } | |
| 187 | |
| 188 PerfLong::PerfLong(CounterNS ns, const char* namep, Units u, Variability v) | |
| 189 : PerfData(ns, namep, u, v) { | |
| 190 | |
| 191 create_entry(T_LONG, sizeof(jlong)); | |
| 192 } | |
| 193 | |
| 194 int PerfLong::format(char* buffer, int length) { | |
|
7623
203f64878aab
7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents:
6854
diff
changeset
|
195 return jio_snprintf(buffer, length, JLONG_FORMAT, *(jlong*)_valuep); |
| 0 | 196 } |
| 197 | |
| 198 PerfLongVariant::PerfLongVariant(CounterNS ns, const char* namep, Units u, | |
| 199 Variability v, jlong* sampled) | |
| 200 : PerfLong(ns, namep, u, v), | |
| 201 _sampled(sampled), _sample_helper(NULL) { | |
| 202 | |
| 203 sample(); | |
| 204 } | |
| 205 | |
| 206 PerfLongVariant::PerfLongVariant(CounterNS ns, const char* namep, Units u, | |
| 207 Variability v, PerfLongSampleHelper* helper) | |
| 208 : PerfLong(ns, namep, u, v), | |
| 209 _sampled(NULL), _sample_helper(helper) { | |
| 210 | |
| 211 sample(); | |
| 212 } | |
| 213 | |
| 214 void PerfLongVariant::sample() { | |
| 215 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
216 // JJJ - This should not happen. Maybe the first sample is taken |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
217 // while the _sample_helper is being null'ed out. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
218 // assert(_sample_helper != NULL || _sampled != NULL, "unexpected state"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6197
diff
changeset
|
219 if (_sample_helper == NULL) return; |
| 0 | 220 |
| 221 if (_sample_helper != NULL) { | |
| 222 *(jlong*)_valuep = _sample_helper->take_sample(); | |
| 223 } | |
| 224 else if (_sampled != NULL) { | |
| 225 *(jlong*)_valuep = *_sampled; | |
| 226 } | |
| 227 } | |
| 228 | |
| 229 PerfByteArray::PerfByteArray(CounterNS ns, const char* namep, Units u, | |
| 230 Variability v, jint length) | |
| 231 : PerfData(ns, namep, u, v), _length(length) { | |
| 232 | |
| 233 create_entry(T_BYTE, sizeof(jbyte), (size_t)_length); | |
| 234 } | |
| 235 | |
| 236 void PerfString::set_string(const char* s2) { | |
| 237 | |
| 238 // copy n bytes of the string, assuring the null string is | |
| 239 // copied if s2 == NULL. | |
| 240 strncpy((char *)_valuep, s2 == NULL ? "" : s2, _length); | |
| 241 | |
| 242 // assure the string is null terminated when strlen(s2) >= _length | |
| 243 ((char*)_valuep)[_length-1] = '\0'; | |
| 244 } | |
| 245 | |
| 246 int PerfString::format(char* buffer, int length) { | |
| 247 return jio_snprintf(buffer, length, "%s", (char*)_valuep); | |
| 248 } | |
| 249 | |
| 250 PerfStringConstant::PerfStringConstant(CounterNS ns, const char* namep, | |
| 251 const char* initial_value) | |
| 252 : PerfString(ns, namep, V_Constant, | |
| 253 initial_value == NULL ? 1 : | |
| 254 MIN2((jint)(strlen((char*)initial_value)+1), | |
| 255 (jint)(PerfMaxStringConstLength+1)), | |
| 256 initial_value) { | |
| 257 | |
| 258 if (PrintMiscellaneous && Verbose) { | |
| 259 if (is_valid() && initial_value != NULL && | |
| 260 ((jint)strlen(initial_value) > (jint)PerfMaxStringConstLength)) { | |
| 261 | |
| 262 warning("Truncating PerfStringConstant: name = %s," | |
| 263 " length = " INT32_FORMAT "," | |
| 264 " PerfMaxStringConstLength = " INT32_FORMAT "\n", | |
| 265 namep, | |
| 266 (jint)strlen(initial_value), | |
| 267 (jint)PerfMaxStringConstLength); | |
| 268 } | |
| 269 } | |
| 270 } | |
| 271 | |
| 272 | |
| 273 | |
| 274 | |
| 275 | |
| 276 | |
| 277 void PerfDataManager::destroy() { | |
| 278 | |
| 279 if (_all == NULL) | |
| 280 // destroy already called, or initialization never happened | |
| 281 return; | |
| 282 | |
| 283 for (int index = 0; index < _all->length(); index++) { | |
| 284 PerfData* p = _all->at(index); | |
| 285 delete p; | |
| 286 } | |
| 287 | |
| 288 delete(_all); | |
| 289 delete(_sampled); | |
| 290 delete(_constants); | |
| 291 | |
| 292 _all = NULL; | |
| 293 _sampled = NULL; | |
| 294 _constants = NULL; | |
| 295 } | |
| 296 | |
| 297 void PerfDataManager::add_item(PerfData* p, bool sampled) { | |
| 298 | |
| 299 MutexLocker ml(PerfDataManager_lock); | |
| 300 | |
| 301 if (_all == NULL) { | |
| 302 _all = new PerfDataList(100); | |
| 303 } | |
| 304 | |
| 305 assert(!_all->contains(p->name()), "duplicate name added"); | |
| 306 | |
| 307 // add to the list of all perf data items | |
| 308 _all->append(p); | |
| 309 | |
| 310 if (p->variability() == PerfData::V_Constant) { | |
| 311 if (_constants == NULL) { | |
| 312 _constants = new PerfDataList(25); | |
| 313 } | |
| 314 _constants->append(p); | |
| 315 return; | |
| 316 } | |
| 317 | |
| 318 if (sampled) { | |
| 319 if (_sampled == NULL) { | |
| 320 _sampled = new PerfDataList(25); | |
| 321 } | |
| 322 _sampled->append(p); | |
| 323 } | |
| 324 } | |
| 325 | |
| 10405 | 326 PerfData* PerfDataManager::find_by_name(const char* name) { |
| 327 return _all->find_by_name(name); | |
| 328 } | |
| 329 | |
| 0 | 330 PerfDataList* PerfDataManager::all() { |
| 331 | |
| 332 MutexLocker ml(PerfDataManager_lock); | |
| 333 | |
| 334 if (_all == NULL) | |
| 335 return NULL; | |
| 336 | |
| 337 PerfDataList* clone = _all->clone(); | |
| 338 return clone; | |
| 339 } | |
| 340 | |
| 341 PerfDataList* PerfDataManager::sampled() { | |
| 342 | |
| 343 MutexLocker ml(PerfDataManager_lock); | |
| 344 | |
| 345 if (_sampled == NULL) | |
| 346 return NULL; | |
| 347 | |
| 348 PerfDataList* clone = _sampled->clone(); | |
| 349 return clone; | |
| 350 } | |
| 351 | |
| 352 PerfDataList* PerfDataManager::constants() { | |
| 353 | |
| 354 MutexLocker ml(PerfDataManager_lock); | |
| 355 | |
| 356 if (_constants == NULL) | |
| 357 return NULL; | |
| 358 | |
| 359 PerfDataList* clone = _constants->clone(); | |
| 360 return clone; | |
| 361 } | |
| 362 | |
| 363 char* PerfDataManager::counter_name(const char* ns, const char* name) { | |
| 364 assert(ns != NULL, "ns string required"); | |
| 365 assert(name != NULL, "name string required"); | |
| 366 | |
| 367 size_t len = strlen(ns) + strlen(name) + 2; | |
| 368 char* result = NEW_RESOURCE_ARRAY(char, len); | |
| 369 sprintf(result, "%s.%s", ns, name); | |
| 370 return result; | |
| 371 } | |
| 372 | |
| 373 char* PerfDataManager::name_space(const char* ns, const char* sub, | |
| 374 int instance) { | |
| 375 char intbuf[40]; | |
| 376 jio_snprintf(intbuf, 40, UINT32_FORMAT, instance); | |
| 377 return name_space(ns, name_space(sub, intbuf)); | |
| 378 } | |
| 379 | |
| 380 char *PerfDataManager::name_space(const char* ns, int instance) { | |
| 381 char intbuf[40]; | |
| 382 jio_snprintf(intbuf, 40, UINT32_FORMAT, instance); | |
| 383 return name_space(ns, intbuf); | |
| 384 } | |
| 385 | |
| 386 PerfStringConstant* PerfDataManager::create_string_constant(CounterNS ns, | |
| 387 const char* name, | |
| 388 const char* s, | |
| 389 TRAPS) { | |
| 390 | |
| 391 PerfStringConstant* p = new PerfStringConstant(ns, name, s); | |
| 392 | |
| 393 if (!p->is_valid()) { | |
| 394 // allocation of native resources failed. | |
| 395 delete p; | |
| 396 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); | |
| 397 } | |
| 398 | |
| 399 add_item(p, false); | |
| 400 | |
| 401 return p; | |
| 402 } | |
| 403 | |
| 404 PerfLongConstant* PerfDataManager::create_long_constant(CounterNS ns, | |
| 405 const char* name, | |
| 406 PerfData::Units u, | |
| 407 jlong val, TRAPS) { | |
| 408 | |
| 409 PerfLongConstant* p = new PerfLongConstant(ns, name, u, val); | |
| 410 | |
| 411 if (!p->is_valid()) { | |
| 412 // allocation of native resources failed. | |
| 413 delete p; | |
| 414 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); | |
| 415 } | |
| 416 | |
| 417 add_item(p, false); | |
| 418 | |
| 419 return p; | |
| 420 } | |
| 421 | |
| 422 PerfStringVariable* PerfDataManager::create_string_variable(CounterNS ns, | |
| 423 const char* name, | |
| 424 jint max_length, | |
| 425 const char* s, | |
| 426 TRAPS) { | |
| 427 | |
| 428 if (max_length == 0 && s != NULL) max_length = (jint)strlen(s); | |
| 429 | |
| 430 assert(max_length != 0, "PerfStringVariable with length 0"); | |
| 431 | |
| 432 PerfStringVariable* p = new PerfStringVariable(ns, name, max_length, s); | |
| 433 | |
| 434 if (!p->is_valid()) { | |
| 435 // allocation of native resources failed. | |
| 436 delete p; | |
| 437 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); | |
| 438 } | |
| 439 | |
| 440 add_item(p, false); | |
| 441 | |
| 442 return p; | |
| 443 } | |
| 444 | |
| 445 PerfLongVariable* PerfDataManager::create_long_variable(CounterNS ns, | |
| 446 const char* name, | |
| 447 PerfData::Units u, | |
| 448 jlong ival, TRAPS) { | |
| 449 | |
| 450 PerfLongVariable* p = new PerfLongVariable(ns, name, u, ival); | |
| 451 | |
| 452 if (!p->is_valid()) { | |
| 453 // allocation of native resources failed. | |
| 454 delete p; | |
| 455 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); | |
| 456 } | |
| 457 | |
| 458 add_item(p, false); | |
| 459 | |
| 460 return p; | |
| 461 } | |
| 462 | |
| 463 PerfLongVariable* PerfDataManager::create_long_variable(CounterNS ns, | |
| 464 const char* name, | |
| 465 PerfData::Units u, | |
| 466 jlong* sp, TRAPS) { | |
| 467 | |
| 468 // Sampled counters not supported if UsePerfData is false | |
| 469 if (!UsePerfData) return NULL; | |
| 470 | |
| 471 PerfLongVariable* p = new PerfLongVariable(ns, name, u, sp); | |
| 472 | |
| 473 if (!p->is_valid()) { | |
| 474 // allocation of native resources failed. | |
| 475 delete p; | |
| 476 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); | |
| 477 } | |
| 478 | |
| 479 add_item(p, true); | |
| 480 | |
| 481 return p; | |
| 482 } | |
| 483 | |
| 484 PerfLongVariable* PerfDataManager::create_long_variable(CounterNS ns, | |
| 485 const char* name, | |
| 486 PerfData::Units u, | |
| 487 PerfSampleHelper* sh, | |
| 488 TRAPS) { | |
| 489 | |
| 490 // Sampled counters not supported if UsePerfData is false | |
| 491 if (!UsePerfData) return NULL; | |
| 492 | |
| 493 PerfLongVariable* p = new PerfLongVariable(ns, name, u, sh); | |
| 494 | |
| 495 if (!p->is_valid()) { | |
| 496 // allocation of native resources failed. | |
| 497 delete p; | |
| 498 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); | |
| 499 } | |
| 500 | |
| 501 add_item(p, true); | |
| 502 | |
| 503 return p; | |
| 504 } | |
| 505 | |
| 506 PerfLongCounter* PerfDataManager::create_long_counter(CounterNS ns, | |
| 507 const char* name, | |
| 508 PerfData::Units u, | |
| 509 jlong ival, TRAPS) { | |
| 510 | |
| 511 PerfLongCounter* p = new PerfLongCounter(ns, name, u, ival); | |
| 512 | |
| 513 if (!p->is_valid()) { | |
| 514 // allocation of native resources failed. | |
| 515 delete p; | |
| 516 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); | |
| 517 } | |
| 518 | |
| 519 add_item(p, false); | |
| 520 | |
| 521 return p; | |
| 522 } | |
| 523 | |
| 524 PerfLongCounter* PerfDataManager::create_long_counter(CounterNS ns, | |
| 525 const char* name, | |
| 526 PerfData::Units u, | |
| 527 jlong* sp, TRAPS) { | |
| 528 | |
| 529 // Sampled counters not supported if UsePerfData is false | |
| 530 if (!UsePerfData) return NULL; | |
| 531 | |
| 532 PerfLongCounter* p = new PerfLongCounter(ns, name, u, sp); | |
| 533 | |
| 534 if (!p->is_valid()) { | |
| 535 // allocation of native resources failed. | |
| 536 delete p; | |
| 537 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); | |
| 538 } | |
| 539 | |
| 540 add_item(p, true); | |
| 541 | |
| 542 return p; | |
| 543 } | |
| 544 | |
| 545 PerfLongCounter* PerfDataManager::create_long_counter(CounterNS ns, | |
| 546 const char* name, | |
| 547 PerfData::Units u, | |
| 548 PerfSampleHelper* sh, | |
| 549 TRAPS) { | |
| 550 | |
| 551 // Sampled counters not supported if UsePerfData is false | |
| 552 if (!UsePerfData) return NULL; | |
| 553 | |
| 554 PerfLongCounter* p = new PerfLongCounter(ns, name, u, sh); | |
| 555 | |
| 556 if (!p->is_valid()) { | |
| 557 // allocation of native resources failed. | |
| 558 delete p; | |
| 559 THROW_0(vmSymbols::java_lang_OutOfMemoryError()); | |
| 560 } | |
| 561 | |
| 562 add_item(p, true); | |
| 563 | |
| 564 return p; | |
| 565 } | |
| 566 | |
| 567 PerfDataList::PerfDataList(int length) { | |
| 568 | |
| 6197 | 569 _set = new(ResourceObj::C_HEAP, mtInternal) PerfDataArray(length, true); |
| 0 | 570 } |
| 571 | |
| 572 PerfDataList::PerfDataList(PerfDataList* p) { | |
| 573 | |
| 6197 | 574 _set = new(ResourceObj::C_HEAP, mtInternal) PerfDataArray(p->length(), true); |
| 0 | 575 |
| 576 _set->appendAll(p->get_impl()); | |
| 577 } | |
| 578 | |
| 579 PerfDataList::~PerfDataList() { | |
| 580 | |
| 581 delete _set; | |
| 582 | |
| 583 } | |
| 584 | |
| 585 bool PerfDataList::by_name(void* name, PerfData* pd) { | |
| 586 | |
| 587 if (pd == NULL) | |
| 588 return false; | |
| 589 | |
| 590 return strcmp((const char*)name, pd->name()) == 0; | |
| 591 } | |
| 592 | |
| 593 PerfData* PerfDataList::find_by_name(const char* name) { | |
| 594 | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
595 // if add_item hasn't been called the list won't be initialized |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
596 if (this == NULL) |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
597 return NULL; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6725
diff
changeset
|
598 |
| 0 | 599 int i = _set->find((void*)name, PerfDataList::by_name); |
| 600 | |
| 601 if (i >= 0 && i <= _set->length()) | |
| 602 return _set->at(i); | |
| 603 else | |
| 604 return NULL; | |
| 605 } | |
| 606 | |
| 607 PerfDataList* PerfDataList::clone() { | |
| 608 | |
| 609 PerfDataList* copy = new PerfDataList(this); | |
| 610 | |
| 611 assert(copy != NULL, "just checking"); | |
| 612 | |
| 613 return copy; | |
| 614 } |