|
0
|
1 /*
|
|
|
2 * Copyright 2001-2005 Sun Microsystems, Inc. All Rights Reserved.
|
|
|
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 *
|
|
|
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
|
21 * have any questions.
|
|
|
22 *
|
|
|
23 */
|
|
|
24
|
|
|
25 # include "incls/_precompiled.incl"
|
|
|
26 # include "incls/_perfData.cpp.incl"
|
|
|
27
|
|
|
28 PerfDataList* PerfDataManager::_all = NULL;
|
|
|
29 PerfDataList* PerfDataManager::_sampled = NULL;
|
|
|
30 PerfDataList* PerfDataManager::_constants = NULL;
|
|
|
31
|
|
|
32 /*
|
|
|
33 * The jvmstat global and subsysem jvmstat counter name spaces. The top
|
|
|
34 * level name spaces imply the interface stability level of the counter,
|
|
|
35 * which generally follows the Java package, class, and property naming
|
|
|
36 * conventions. The CounterNS enumeration values should be used to index
|
|
|
37 * into this array.
|
|
|
38 */
|
|
|
39 const char* PerfDataManager::_name_spaces[] = {
|
|
|
40 // top level name spaces
|
|
|
41 "java", // stable and supported name space
|
|
|
42 "com.sun", // unstable but supported name space
|
|
|
43 "sun", // unstable and unsupported name space
|
|
|
44 // subsystem name spaces
|
|
|
45 "java.gc", // Garbage Collection name spaces
|
|
|
46 "com.sun.gc",
|
|
|
47 "sun.gc",
|
|
|
48 "java.ci", // Compiler name spaces
|
|
|
49 "com.sun.ci",
|
|
|
50 "sun.ci",
|
|
|
51 "java.cls", // Class Loader name spaces
|
|
|
52 "com.sun.cls",
|
|
|
53 "sun.cls",
|
|
|
54 "java.rt", // Runtime name spaces
|
|
|
55 "com.sun.rt",
|
|
|
56 "sun.rt",
|
|
|
57 "java.os", // Operating System name spaces
|
|
|
58 "com.sun.os",
|
|
|
59 "sun.os",
|
|
|
60 "java.threads", // Threads System name spaces
|
|
|
61 "com.sun.threads",
|
|
|
62 "sun.threads",
|
|
|
63 "java.property", // Java Property name spaces
|
|
|
64 "com.sun.property",
|
|
|
65 "sun.property",
|
|
|
66 "",
|
|
|
67 };
|
|
|
68
|
|
|
69 PerfData::PerfData(CounterNS ns, const char* name, Units u, Variability v)
|
|
|
70 : _name(NULL), _u(u), _v(v), _valuep(NULL),
|
|
|
71 _on_c_heap(false) {
|
|
|
72
|
|
|
73 const char* prefix = PerfDataManager::ns_to_string(ns);
|
|
|
74
|
|
|
75 _name = NEW_C_HEAP_ARRAY(char, strlen(name) + strlen(prefix) + 2);
|
|
|
76 assert(_name != NULL && strlen(name) != 0, "invalid name");
|
|
|
77
|
|
|
78 if (ns == NULL_NS) {
|
|
|
79 // No prefix is added to counters with the NULL_NS namespace.
|
|
|
80 strcpy(_name, name);
|
|
|
81 // set the F_Supported flag based on the counter name prefix.
|
|
|
82 if (PerfDataManager::is_stable_supported(_name) ||
|
|
|
83 PerfDataManager::is_unstable_supported(_name)) {
|
|
|
84 _flags = F_Supported;
|
|
|
85 }
|
|
|
86 else {
|
|
|
87 _flags = F_None;
|
|
|
88 }
|
|
|
89 }
|
|
|
90 else {
|
|
|
91 sprintf(_name, "%s.%s", prefix, name);
|
|
|
92 // set the F_Supported flag based on the given namespace.
|
|
|
93 if (PerfDataManager::is_stable_supported(ns) ||
|
|
|
94 PerfDataManager::is_unstable_supported(ns)) {
|
|
|
95 _flags = F_Supported;
|
|
|
96 }
|
|
|
97 else {
|
|
|
98 _flags = F_None;
|
|
|
99 }
|
|
|
100 }
|
|
|
101 }
|
|
|
102
|
|
|
103 PerfData::~PerfData() {
|
|
|
104 if (_name != NULL) {
|
|
|
105 FREE_C_HEAP_ARRAY(char, _name);
|
|
|
106 }
|
|
|
107 if (is_on_c_heap()) {
|
|
|
108 FREE_C_HEAP_ARRAY(PerfDataEntry, _pdep);
|
|
|
109 }
|
|
|
110 }
|
|
|
111
|
|
|
112 void PerfData::create_entry(BasicType dtype, size_t dsize, size_t vlen) {
|
|
|
113
|
|
|
114 size_t dlen = vlen==0 ? 1 : vlen;
|
|
|
115
|
|
|
116 size_t namelen = strlen(name()) + 1; // include null terminator
|
|
|
117 size_t size = sizeof(PerfDataEntry) + namelen;
|
|
|
118 size_t pad_length = ((size % dsize) == 0) ? 0 : dsize - (size % dsize);
|
|
|
119 size += pad_length;
|
|
|
120 size_t data_start = size;
|
|
|
121 size += (dsize * dlen);
|
|
|
122
|
|
|
123 // align size to assure allocation in units of 8 bytes
|
|
|
124 int align = sizeof(jlong) - 1;
|
|
|
125 size = ((size + align) & ~align);
|
|
|
126 char* psmp = PerfMemory::alloc(size);
|
|
|
127
|
|
|
128 if (psmp == NULL) {
|
|
|
129 // out of PerfMemory memory resources. allocate on the C heap
|
|
|
130 // to avoid vm termination.
|
|
|
131 psmp = NEW_C_HEAP_ARRAY(char, size);
|
|
|
132 _on_c_heap = true;
|
|
|
133 }
|
|
|
134
|
|
|
135 // compute the addresses for the name and data
|
|
|
136 char* cname = psmp + sizeof(PerfDataEntry);
|
|
|
137
|
|
|
138 // data is in the last dsize*dlen bytes of the entry
|
|
|
139 void* valuep = (void*) (psmp + data_start);
|
|
|
140
|
|
|
141 assert(is_on_c_heap() || PerfMemory::contains(cname), "just checking");
|
|
|
142 assert(is_on_c_heap() || PerfMemory::contains((char*)valuep), "just checking");
|
|
|
143
|
|
|
144 // copy the name, including null terminator, into PerfData memory
|
|
|
145 strcpy(cname, name());
|
|
|
146
|
|
|
147
|
|
|
148 // set the header values in PerfData memory
|
|
|
149 PerfDataEntry* pdep = (PerfDataEntry*)psmp;
|
|
|
150 pdep->entry_length = (jint)size;
|
|
|
151 pdep->name_offset = (jint) ((uintptr_t) cname - (uintptr_t) psmp);
|
|
|
152 pdep->vector_length = (jint)vlen;
|
|
|
153 pdep->data_type = (jbyte) type2char(dtype);
|
|
|
154 pdep->data_units = units();
|
|
|
155 pdep->data_variability = variability();
|
|
|
156 pdep->flags = (jbyte)flags();
|
|
|
157 pdep->data_offset = (jint) data_start;
|
|
|
158
|
|
|
159 if (PerfTraceDataCreation) {
|
|
|
160 tty->print("name = %s, dtype = %d, variability = %d,"
|
|
|
161 " units = %d, dsize = %d, vlen = %d,"
|
|
|
162 " pad_length = %d, size = %d, on_c_heap = %s,"
|
|
|
163 " address = " INTPTR_FORMAT ","
|
|
|
164 " data address = " INTPTR_FORMAT "\n",
|
|
|
165 cname, dtype, variability(),
|
|
|
166 units(), dsize, vlen,
|
|
|
167 pad_length, size, is_on_c_heap() ? "TRUE":"FALSE",
|
|
|
168 psmp, valuep);
|
|
|
169 }
|
|
|
170
|
|
|
171 // record the start of the entry and the location of the data field.
|
|
|
172 _pdep = pdep;
|
|
|
173 _valuep = valuep;
|
|
|
174
|
|
|
175 // mark the PerfData memory region as having been updated.
|
|
|
176 PerfMemory::mark_updated();
|
|
|
177 }
|
|
|
178
|
|
|
179 PerfLong::PerfLong(CounterNS ns, const char* namep, Units u, Variability v)
|
|
|
180 : PerfData(ns, namep, u, v) {
|
|
|
181
|
|
|
182 create_entry(T_LONG, sizeof(jlong));
|
|
|
183 }
|
|
|
184
|
|
|
185 int PerfLong::format(char* buffer, int length) {
|
|
|
186 return jio_snprintf(buffer, length,"%lld", *(jlong*)_valuep);
|
|
|
187 }
|
|
|
188
|
|
|
189 PerfLongVariant::PerfLongVariant(CounterNS ns, const char* namep, Units u,
|
|
|
190 Variability v, jlong* sampled)
|
|
|
191 : PerfLong(ns, namep, u, v),
|
|
|
192 _sampled(sampled), _sample_helper(NULL) {
|
|
|
193
|
|
|
194 sample();
|
|
|
195 }
|
|
|
196
|
|
|
197 PerfLongVariant::PerfLongVariant(CounterNS ns, const char* namep, Units u,
|
|
|
198 Variability v, PerfLongSampleHelper* helper)
|
|
|
199 : PerfLong(ns, namep, u, v),
|
|
|
200 _sampled(NULL), _sample_helper(helper) {
|
|
|
201
|
|
|
202 sample();
|
|
|
203 }
|
|
|
204
|
|
|
205 void PerfLongVariant::sample() {
|
|
|
206
|
|
|
207 assert(_sample_helper != NULL || _sampled != NULL, "unexpected state");
|
|
|
208
|
|
|
209 if (_sample_helper != NULL) {
|
|
|
210 *(jlong*)_valuep = _sample_helper->take_sample();
|
|
|
211 }
|
|
|
212 else if (_sampled != NULL) {
|
|
|
213 *(jlong*)_valuep = *_sampled;
|
|
|
214 }
|
|
|
215 }
|
|
|
216
|
|
|
217 PerfByteArray::PerfByteArray(CounterNS ns, const char* namep, Units u,
|
|
|
218 Variability v, jint length)
|
|
|
219 : PerfData(ns, namep, u, v), _length(length) {
|
|
|
220
|
|
|
221 create_entry(T_BYTE, sizeof(jbyte), (size_t)_length);
|
|
|
222 }
|
|
|
223
|
|
|
224 void PerfString::set_string(const char* s2) {
|
|
|
225
|
|
|
226 // copy n bytes of the string, assuring the null string is
|
|
|
227 // copied if s2 == NULL.
|
|
|
228 strncpy((char *)_valuep, s2 == NULL ? "" : s2, _length);
|
|
|
229
|
|
|
230 // assure the string is null terminated when strlen(s2) >= _length
|
|
|
231 ((char*)_valuep)[_length-1] = '\0';
|
|
|
232 }
|
|
|
233
|
|
|
234 int PerfString::format(char* buffer, int length) {
|
|
|
235 return jio_snprintf(buffer, length, "%s", (char*)_valuep);
|
|
|
236 }
|
|
|
237
|
|
|
238 PerfStringConstant::PerfStringConstant(CounterNS ns, const char* namep,
|
|
|
239 const char* initial_value)
|
|
|
240 : PerfString(ns, namep, V_Constant,
|
|
|
241 initial_value == NULL ? 1 :
|
|
|
242 MIN2((jint)(strlen((char*)initial_value)+1),
|
|
|
243 (jint)(PerfMaxStringConstLength+1)),
|
|
|
244 initial_value) {
|
|
|
245
|
|
|
246 if (PrintMiscellaneous && Verbose) {
|
|
|
247 if (is_valid() && initial_value != NULL &&
|
|
|
248 ((jint)strlen(initial_value) > (jint)PerfMaxStringConstLength)) {
|
|
|
249
|
|
|
250 warning("Truncating PerfStringConstant: name = %s,"
|
|
|
251 " length = " INT32_FORMAT ","
|
|
|
252 " PerfMaxStringConstLength = " INT32_FORMAT "\n",
|
|
|
253 namep,
|
|
|
254 (jint)strlen(initial_value),
|
|
|
255 (jint)PerfMaxStringConstLength);
|
|
|
256 }
|
|
|
257 }
|
|
|
258 }
|
|
|
259
|
|
|
260
|
|
|
261
|
|
|
262
|
|
|
263
|
|
|
264
|
|
|
265 void PerfDataManager::destroy() {
|
|
|
266
|
|
|
267 if (_all == NULL)
|
|
|
268 // destroy already called, or initialization never happened
|
|
|
269 return;
|
|
|
270
|
|
|
271 for (int index = 0; index < _all->length(); index++) {
|
|
|
272 PerfData* p = _all->at(index);
|
|
|
273 delete p;
|
|
|
274 }
|
|
|
275
|
|
|
276 delete(_all);
|
|
|
277 delete(_sampled);
|
|
|
278 delete(_constants);
|
|
|
279
|
|
|
280 _all = NULL;
|
|
|
281 _sampled = NULL;
|
|
|
282 _constants = NULL;
|
|
|
283 }
|
|
|
284
|
|
|
285 void PerfDataManager::add_item(PerfData* p, bool sampled) {
|
|
|
286
|
|
|
287 MutexLocker ml(PerfDataManager_lock);
|
|
|
288
|
|
|
289 if (_all == NULL) {
|
|
|
290 _all = new PerfDataList(100);
|
|
|
291 }
|
|
|
292
|
|
|
293 assert(!_all->contains(p->name()), "duplicate name added");
|
|
|
294
|
|
|
295 // add to the list of all perf data items
|
|
|
296 _all->append(p);
|
|
|
297
|
|
|
298 if (p->variability() == PerfData::V_Constant) {
|
|
|
299 if (_constants == NULL) {
|
|
|
300 _constants = new PerfDataList(25);
|
|
|
301 }
|
|
|
302 _constants->append(p);
|
|
|
303 return;
|
|
|
304 }
|
|
|
305
|
|
|
306 if (sampled) {
|
|
|
307 if (_sampled == NULL) {
|
|
|
308 _sampled = new PerfDataList(25);
|
|
|
309 }
|
|
|
310 _sampled->append(p);
|
|
|
311 }
|
|
|
312 }
|
|
|
313
|
|
|
314 PerfDataList* PerfDataManager::all() {
|
|
|
315
|
|
|
316 MutexLocker ml(PerfDataManager_lock);
|
|
|
317
|
|
|
318 if (_all == NULL)
|
|
|
319 return NULL;
|
|
|
320
|
|
|
321 PerfDataList* clone = _all->clone();
|
|
|
322 return clone;
|
|
|
323 }
|
|
|
324
|
|
|
325 PerfDataList* PerfDataManager::sampled() {
|
|
|
326
|
|
|
327 MutexLocker ml(PerfDataManager_lock);
|
|
|
328
|
|
|
329 if (_sampled == NULL)
|
|
|
330 return NULL;
|
|
|
331
|
|
|
332 PerfDataList* clone = _sampled->clone();
|
|
|
333 return clone;
|
|
|
334 }
|
|
|
335
|
|
|
336 PerfDataList* PerfDataManager::constants() {
|
|
|
337
|
|
|
338 MutexLocker ml(PerfDataManager_lock);
|
|
|
339
|
|
|
340 if (_constants == NULL)
|
|
|
341 return NULL;
|
|
|
342
|
|
|
343 PerfDataList* clone = _constants->clone();
|
|
|
344 return clone;
|
|
|
345 }
|
|
|
346
|
|
|
347 char* PerfDataManager::counter_name(const char* ns, const char* name) {
|
|
|
348 assert(ns != NULL, "ns string required");
|
|
|
349 assert(name != NULL, "name string required");
|
|
|
350
|
|
|
351 size_t len = strlen(ns) + strlen(name) + 2;
|
|
|
352 char* result = NEW_RESOURCE_ARRAY(char, len);
|
|
|
353 sprintf(result, "%s.%s", ns, name);
|
|
|
354 return result;
|
|
|
355 }
|
|
|
356
|
|
|
357 char* PerfDataManager::name_space(const char* ns, const char* sub,
|
|
|
358 int instance) {
|
|
|
359 char intbuf[40];
|
|
|
360 jio_snprintf(intbuf, 40, UINT32_FORMAT, instance);
|
|
|
361 return name_space(ns, name_space(sub, intbuf));
|
|
|
362 }
|
|
|
363
|
|
|
364 char *PerfDataManager::name_space(const char* ns, int instance) {
|
|
|
365 char intbuf[40];
|
|
|
366 jio_snprintf(intbuf, 40, UINT32_FORMAT, instance);
|
|
|
367 return name_space(ns, intbuf);
|
|
|
368 }
|
|
|
369
|
|
|
370 PerfStringConstant* PerfDataManager::create_string_constant(CounterNS ns,
|
|
|
371 const char* name,
|
|
|
372 const char* s,
|
|
|
373 TRAPS) {
|
|
|
374
|
|
|
375 PerfStringConstant* p = new PerfStringConstant(ns, name, s);
|
|
|
376
|
|
|
377 if (!p->is_valid()) {
|
|
|
378 // allocation of native resources failed.
|
|
|
379 delete p;
|
|
|
380 THROW_0(vmSymbols::java_lang_OutOfMemoryError());
|
|
|
381 }
|
|
|
382
|
|
|
383 add_item(p, false);
|
|
|
384
|
|
|
385 return p;
|
|
|
386 }
|
|
|
387
|
|
|
388 PerfLongConstant* PerfDataManager::create_long_constant(CounterNS ns,
|
|
|
389 const char* name,
|
|
|
390 PerfData::Units u,
|
|
|
391 jlong val, TRAPS) {
|
|
|
392
|
|
|
393 PerfLongConstant* p = new PerfLongConstant(ns, name, u, val);
|
|
|
394
|
|
|
395 if (!p->is_valid()) {
|
|
|
396 // allocation of native resources failed.
|
|
|
397 delete p;
|
|
|
398 THROW_0(vmSymbols::java_lang_OutOfMemoryError());
|
|
|
399 }
|
|
|
400
|
|
|
401 add_item(p, false);
|
|
|
402
|
|
|
403 return p;
|
|
|
404 }
|
|
|
405
|
|
|
406 PerfStringVariable* PerfDataManager::create_string_variable(CounterNS ns,
|
|
|
407 const char* name,
|
|
|
408 jint max_length,
|
|
|
409 const char* s,
|
|
|
410 TRAPS) {
|
|
|
411
|
|
|
412 if (max_length == 0 && s != NULL) max_length = (jint)strlen(s);
|
|
|
413
|
|
|
414 assert(max_length != 0, "PerfStringVariable with length 0");
|
|
|
415
|
|
|
416 PerfStringVariable* p = new PerfStringVariable(ns, name, max_length, s);
|
|
|
417
|
|
|
418 if (!p->is_valid()) {
|
|
|
419 // allocation of native resources failed.
|
|
|
420 delete p;
|
|
|
421 THROW_0(vmSymbols::java_lang_OutOfMemoryError());
|
|
|
422 }
|
|
|
423
|
|
|
424 add_item(p, false);
|
|
|
425
|
|
|
426 return p;
|
|
|
427 }
|
|
|
428
|
|
|
429 PerfLongVariable* PerfDataManager::create_long_variable(CounterNS ns,
|
|
|
430 const char* name,
|
|
|
431 PerfData::Units u,
|
|
|
432 jlong ival, TRAPS) {
|
|
|
433
|
|
|
434 PerfLongVariable* p = new PerfLongVariable(ns, name, u, ival);
|
|
|
435
|
|
|
436 if (!p->is_valid()) {
|
|
|
437 // allocation of native resources failed.
|
|
|
438 delete p;
|
|
|
439 THROW_0(vmSymbols::java_lang_OutOfMemoryError());
|
|
|
440 }
|
|
|
441
|
|
|
442 add_item(p, false);
|
|
|
443
|
|
|
444 return p;
|
|
|
445 }
|
|
|
446
|
|
|
447 PerfLongVariable* PerfDataManager::create_long_variable(CounterNS ns,
|
|
|
448 const char* name,
|
|
|
449 PerfData::Units u,
|
|
|
450 jlong* sp, TRAPS) {
|
|
|
451
|
|
|
452 // Sampled counters not supported if UsePerfData is false
|
|
|
453 if (!UsePerfData) return NULL;
|
|
|
454
|
|
|
455 PerfLongVariable* p = new PerfLongVariable(ns, name, u, sp);
|
|
|
456
|
|
|
457 if (!p->is_valid()) {
|
|
|
458 // allocation of native resources failed.
|
|
|
459 delete p;
|
|
|
460 THROW_0(vmSymbols::java_lang_OutOfMemoryError());
|
|
|
461 }
|
|
|
462
|
|
|
463 add_item(p, true);
|
|
|
464
|
|
|
465 return p;
|
|
|
466 }
|
|
|
467
|
|
|
468 PerfLongVariable* PerfDataManager::create_long_variable(CounterNS ns,
|
|
|
469 const char* name,
|
|
|
470 PerfData::Units u,
|
|
|
471 PerfSampleHelper* sh,
|
|
|
472 TRAPS) {
|
|
|
473
|
|
|
474 // Sampled counters not supported if UsePerfData is false
|
|
|
475 if (!UsePerfData) return NULL;
|
|
|
476
|
|
|
477 PerfLongVariable* p = new PerfLongVariable(ns, name, u, sh);
|
|
|
478
|
|
|
479 if (!p->is_valid()) {
|
|
|
480 // allocation of native resources failed.
|
|
|
481 delete p;
|
|
|
482 THROW_0(vmSymbols::java_lang_OutOfMemoryError());
|
|
|
483 }
|
|
|
484
|
|
|
485 add_item(p, true);
|
|
|
486
|
|
|
487 return p;
|
|
|
488 }
|
|
|
489
|
|
|
490 PerfLongCounter* PerfDataManager::create_long_counter(CounterNS ns,
|
|
|
491 const char* name,
|
|
|
492 PerfData::Units u,
|
|
|
493 jlong ival, TRAPS) {
|
|
|
494
|
|
|
495 PerfLongCounter* p = new PerfLongCounter(ns, name, u, ival);
|
|
|
496
|
|
|
497 if (!p->is_valid()) {
|
|
|
498 // allocation of native resources failed.
|
|
|
499 delete p;
|
|
|
500 THROW_0(vmSymbols::java_lang_OutOfMemoryError());
|
|
|
501 }
|
|
|
502
|
|
|
503 add_item(p, false);
|
|
|
504
|
|
|
505 return p;
|
|
|
506 }
|
|
|
507
|
|
|
508 PerfLongCounter* PerfDataManager::create_long_counter(CounterNS ns,
|
|
|
509 const char* name,
|
|
|
510 PerfData::Units u,
|
|
|
511 jlong* sp, TRAPS) {
|
|
|
512
|
|
|
513 // Sampled counters not supported if UsePerfData is false
|
|
|
514 if (!UsePerfData) return NULL;
|
|
|
515
|
|
|
516 PerfLongCounter* p = new PerfLongCounter(ns, name, u, sp);
|
|
|
517
|
|
|
518 if (!p->is_valid()) {
|
|
|
519 // allocation of native resources failed.
|
|
|
520 delete p;
|
|
|
521 THROW_0(vmSymbols::java_lang_OutOfMemoryError());
|
|
|
522 }
|
|
|
523
|
|
|
524 add_item(p, true);
|
|
|
525
|
|
|
526 return p;
|
|
|
527 }
|
|
|
528
|
|
|
529 PerfLongCounter* PerfDataManager::create_long_counter(CounterNS ns,
|
|
|
530 const char* name,
|
|
|
531 PerfData::Units u,
|
|
|
532 PerfSampleHelper* sh,
|
|
|
533 TRAPS) {
|
|
|
534
|
|
|
535 // Sampled counters not supported if UsePerfData is false
|
|
|
536 if (!UsePerfData) return NULL;
|
|
|
537
|
|
|
538 PerfLongCounter* p = new PerfLongCounter(ns, name, u, sh);
|
|
|
539
|
|
|
540 if (!p->is_valid()) {
|
|
|
541 // allocation of native resources failed.
|
|
|
542 delete p;
|
|
|
543 THROW_0(vmSymbols::java_lang_OutOfMemoryError());
|
|
|
544 }
|
|
|
545
|
|
|
546 add_item(p, true);
|
|
|
547
|
|
|
548 return p;
|
|
|
549 }
|
|
|
550
|
|
|
551 PerfDataList::PerfDataList(int length) {
|
|
|
552
|
|
|
553 _set = new(ResourceObj::C_HEAP) PerfDataArray(length, true);
|
|
|
554 }
|
|
|
555
|
|
|
556 PerfDataList::PerfDataList(PerfDataList* p) {
|
|
|
557
|
|
|
558 _set = new(ResourceObj::C_HEAP) PerfDataArray(p->length(), true);
|
|
|
559
|
|
|
560 _set->appendAll(p->get_impl());
|
|
|
561 }
|
|
|
562
|
|
|
563 PerfDataList::~PerfDataList() {
|
|
|
564
|
|
|
565 delete _set;
|
|
|
566
|
|
|
567 }
|
|
|
568
|
|
|
569 bool PerfDataList::by_name(void* name, PerfData* pd) {
|
|
|
570
|
|
|
571 if (pd == NULL)
|
|
|
572 return false;
|
|
|
573
|
|
|
574 return strcmp((const char*)name, pd->name()) == 0;
|
|
|
575 }
|
|
|
576
|
|
|
577 PerfData* PerfDataList::find_by_name(const char* name) {
|
|
|
578
|
|
|
579 int i = _set->find((void*)name, PerfDataList::by_name);
|
|
|
580
|
|
|
581 if (i >= 0 && i <= _set->length())
|
|
|
582 return _set->at(i);
|
|
|
583 else
|
|
|
584 return NULL;
|
|
|
585 }
|
|
|
586
|
|
|
587 PerfDataList* PerfDataList::clone() {
|
|
|
588
|
|
|
589 PerfDataList* copy = new PerfDataList(this);
|
|
|
590
|
|
|
591 assert(copy != NULL, "just checking");
|
|
|
592
|
|
|
593 return copy;
|
|
|
594 }
|
