Mercurial > hg > truffle
annotate src/share/vm/runtime/dtraceJSDT.cpp @ 396:4d05b7cb7842
6306922: Dump dump created by +HeapDumpOnOutOfMemoryError should include stack traces for stack roots
Summary: Include stack traces of all threads in the heap dump
Reviewed-by: alanb
author | mchung |
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date | Tue, 14 Oct 2008 15:16:38 -0700 |
parents | d1605aabd0a1 |
children | 45463a04ca27 |
rev | line source |
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1 /* |
196 | 2 * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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20 * CA 95054 USA or visit www.sun.com if you need additional information or |
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21 * have any questions. |
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22 * |
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23 */ |
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24 |
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25 #include "incls/_precompiled.incl" |
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26 #include "incls/_dtraceJSDT.cpp.incl" |
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27 |
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28 #ifdef HAVE_DTRACE_H |
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29 |
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30 jlong DTraceJSDT::activate( |
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31 jint version, jstring module_name, jint providers_count, |
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32 JVM_DTraceProvider* providers, TRAPS) { |
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33 |
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34 size_t count = 0; |
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35 RegisteredProbes* probes = NULL; |
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36 |
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37 if (!is_supported()) { |
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38 return 0; |
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39 } |
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40 |
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41 assert(module_name != NULL, "valid module name"); |
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42 assert(providers != NULL, "valid provider array"); |
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43 |
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44 for (int i = 0; i < providers_count; ++i) { |
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45 count += providers[i].probe_count; |
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46 } |
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47 probes = new RegisteredProbes(count); |
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48 count = 0; |
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49 |
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50 for (int i = 0; i < providers_count; ++i) { |
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51 assert(providers[i].name != NULL, "valid provider name"); |
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52 assert(providers[i].probe_count == 0 || providers[i].probes != NULL, |
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53 "valid probe count"); |
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54 for (int j = 0; j < providers[i].probe_count; ++j) { |
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55 JVM_DTraceProbe* probe = &(providers[i].probes[j]); |
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56 assert(probe != NULL, "valid probe"); |
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57 assert(probe->method != NULL, "valid method"); |
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58 assert(probe->name != NULL, "valid probe name"); |
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59 assert(probe->function != NULL, "valid probe function spec"); |
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60 methodHandle h_method = |
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61 methodHandle(THREAD, JNIHandles::resolve_jmethod_id(probe->method)); |
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62 nmethod* nm = AdapterHandlerLibrary::create_dtrace_nmethod(h_method); |
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63 h_method()->set_not_compilable(CompLevel_highest_tier); |
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64 h_method()->set_code(h_method, nm); |
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65 probes->nmethod_at_put(count++, nm); |
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66 } |
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67 } |
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68 |
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69 int handle = pd_activate((void*)probes, |
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70 module_name, providers_count, providers); |
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71 if (handle <= 0) { |
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72 delete probes; |
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73 THROW_MSG_0(vmSymbols::java_lang_RuntimeException(), |
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74 "Unable to register DTrace probes (internal error)."); |
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75 } |
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76 probes->set_helper_handle(handle); |
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77 return RegisteredProbes::toOpaqueProbes(probes); |
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78 } |
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79 |
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80 jboolean DTraceJSDT::is_probe_enabled(jmethodID method) { |
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81 methodOop m = JNIHandles::resolve_jmethod_id(method); |
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82 return nativeInstruction_at(m->code()->trap_address())->is_dtrace_trap(); |
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83 } |
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84 |
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85 void DTraceJSDT::dispose(OpaqueProbes probes) { |
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86 RegisteredProbes* p = RegisteredProbes::toRegisteredProbes(probes); |
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87 if (probes != -1 && p != NULL) { |
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88 pd_dispose(p->helper_handle()); |
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89 delete p; |
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90 } |
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91 } |
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92 |
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93 jboolean DTraceJSDT::is_supported() { |
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94 return pd_is_supported(); |
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95 } |
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96 |
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97 #else // HAVE_DTRACE_H |
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98 |
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99 jlong DTraceJSDT::activate( |
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100 jint version, jstring module_name, jint providers_count, |
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101 JVM_DTraceProvider* providers, TRAPS) { |
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102 return 0; |
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103 } |
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104 |
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105 jboolean DTraceJSDT::is_probe_enabled(jmethodID method) { |
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106 return false; |
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107 } |
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108 |
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109 void DTraceJSDT::dispose(OpaqueProbes probes) { |
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110 return; |
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111 } |
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112 |
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113 jboolean DTraceJSDT::is_supported() { |
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114 return false; |
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115 } |
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116 |
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117 #endif // ndef HAVE_DTRACE_H |