Wed, 14 Mar 2012 20:06:48 -0700
7123170: JCK vm/jvmti/ResourceExhausted/resexh001/resexh00101/ tests fails since 7u4 b02
Summary: The JVMTI ResourceExhausted events must be generated in all places where OOME is thrown
Reviewed-by: acorn, coleenp, dcubed, dholmes, dsamersoff, jwilhelm, tonyp
Contributed-by: serguei.spitsyn@oracle.com
duke@435 | 1 | /* |
stefank@2314 | 2 | * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "jvmtifiles/jvmtiEnv.hpp" |
stefank@2314 | 27 | #include "prims/jvmtiTrace.hpp" |
duke@435 | 28 | |
duke@435 | 29 | // |
duke@435 | 30 | // class JvmtiTrace |
duke@435 | 31 | // |
duke@435 | 32 | // Support for JVMTI tracing code |
duke@435 | 33 | // |
duke@435 | 34 | // ------------ |
duke@435 | 35 | // Usage: |
duke@435 | 36 | // -XX:TraceJVMTI=DESC,DESC,DESC |
duke@435 | 37 | // |
duke@435 | 38 | // DESC is DOMAIN ACTION KIND |
duke@435 | 39 | // |
duke@435 | 40 | // DOMAIN is function name |
duke@435 | 41 | // event name |
duke@435 | 42 | // "all" (all functions and events) |
duke@435 | 43 | // "func" (all functions except boring) |
duke@435 | 44 | // "allfunc" (all functions) |
duke@435 | 45 | // "event" (all events) |
duke@435 | 46 | // "ec" (event controller) |
duke@435 | 47 | // |
duke@435 | 48 | // ACTION is "+" (add) |
duke@435 | 49 | // "-" (remove) |
duke@435 | 50 | // |
duke@435 | 51 | // KIND is |
duke@435 | 52 | // for func |
duke@435 | 53 | // "i" (input params) |
duke@435 | 54 | // "e" (error returns) |
duke@435 | 55 | // "o" (output) |
duke@435 | 56 | // for event |
duke@435 | 57 | // "t" (event triggered aka posted) |
duke@435 | 58 | // "s" (event sent) |
duke@435 | 59 | // |
duke@435 | 60 | // Example: |
duke@435 | 61 | // -XX:TraceJVMTI=ec+,GetCallerFrame+ie,Breakpoint+s |
duke@435 | 62 | |
duke@435 | 63 | #ifdef JVMTI_TRACE |
duke@435 | 64 | |
duke@435 | 65 | bool JvmtiTrace::_initialized = false; |
duke@435 | 66 | bool JvmtiTrace::_on = false; |
duke@435 | 67 | bool JvmtiTrace::_trace_event_controller = false; |
duke@435 | 68 | |
duke@435 | 69 | void JvmtiTrace::initialize() { |
duke@435 | 70 | if (_initialized) { |
duke@435 | 71 | return; |
duke@435 | 72 | } |
duke@435 | 73 | SafeResourceMark rm; |
duke@435 | 74 | |
duke@435 | 75 | const char *very_end; |
duke@435 | 76 | const char *curr; |
never@805 | 77 | if (TraceJVMTI != NULL) { |
duke@435 | 78 | curr = TraceJVMTI; |
duke@435 | 79 | } else { |
duke@435 | 80 | curr = ""; // hack in fixed tracing here |
duke@435 | 81 | } |
duke@435 | 82 | very_end = curr + strlen(curr); |
duke@435 | 83 | while (curr < very_end) { |
duke@435 | 84 | const char *curr_end = strchr(curr, ','); |
duke@435 | 85 | if (curr_end == NULL) { |
duke@435 | 86 | curr_end = very_end; |
duke@435 | 87 | } |
duke@435 | 88 | const char *op_pos = strchr(curr, '+'); |
duke@435 | 89 | const char *minus_pos = strchr(curr, '-'); |
duke@435 | 90 | if (minus_pos != NULL && (minus_pos < op_pos || op_pos == NULL)) { |
duke@435 | 91 | op_pos = minus_pos; |
duke@435 | 92 | } |
duke@435 | 93 | char op; |
duke@435 | 94 | const char *flags = op_pos + 1; |
duke@435 | 95 | const char *flags_end = curr_end; |
duke@435 | 96 | if (op_pos == NULL || op_pos > curr_end) { |
duke@435 | 97 | flags = "ies"; |
duke@435 | 98 | flags_end = flags + strlen(flags); |
duke@435 | 99 | op_pos = curr_end; |
duke@435 | 100 | op = '+'; |
duke@435 | 101 | } else { |
duke@435 | 102 | op = *op_pos; |
duke@435 | 103 | } |
duke@435 | 104 | jbyte bits = 0; |
duke@435 | 105 | for (; flags < flags_end; ++flags) { |
duke@435 | 106 | switch (*flags) { |
duke@435 | 107 | case 'i': |
duke@435 | 108 | bits |= SHOW_IN; |
duke@435 | 109 | break; |
duke@435 | 110 | case 'I': |
duke@435 | 111 | bits |= SHOW_IN_DETAIL; |
duke@435 | 112 | break; |
duke@435 | 113 | case 'e': |
duke@435 | 114 | bits |= SHOW_ERROR; |
duke@435 | 115 | break; |
duke@435 | 116 | case 'o': |
duke@435 | 117 | bits |= SHOW_OUT; |
duke@435 | 118 | break; |
duke@435 | 119 | case 'O': |
duke@435 | 120 | bits |= SHOW_OUT_DETAIL; |
duke@435 | 121 | break; |
duke@435 | 122 | case 't': |
duke@435 | 123 | bits |= SHOW_EVENT_TRIGGER; |
duke@435 | 124 | break; |
duke@435 | 125 | case 's': |
duke@435 | 126 | bits |= SHOW_EVENT_SENT; |
duke@435 | 127 | break; |
duke@435 | 128 | default: |
duke@435 | 129 | tty->print_cr("Invalid trace flag '%c'", *flags); |
duke@435 | 130 | break; |
duke@435 | 131 | } |
duke@435 | 132 | } |
duke@435 | 133 | const int FUNC = 1; |
duke@435 | 134 | const int EXCLUDE = 2; |
duke@435 | 135 | const int ALL_FUNC = 4; |
duke@435 | 136 | const int EVENT = 8; |
duke@435 | 137 | const int ALL_EVENT = 16; |
duke@435 | 138 | int domain = 0; |
duke@435 | 139 | size_t len = op_pos - curr; |
duke@435 | 140 | if (op_pos == curr) { |
duke@435 | 141 | domain = ALL_FUNC | FUNC | ALL_EVENT | EVENT | EXCLUDE; |
duke@435 | 142 | } else if (len==3 && strncmp(curr, "all", 3)==0) { |
duke@435 | 143 | domain = ALL_FUNC | FUNC | ALL_EVENT | EVENT; |
duke@435 | 144 | } else if (len==7 && strncmp(curr, "allfunc", 7)==0) { |
duke@435 | 145 | domain = ALL_FUNC | FUNC; |
duke@435 | 146 | } else if (len==4 && strncmp(curr, "func", 4)==0) { |
duke@435 | 147 | domain = ALL_FUNC | FUNC | EXCLUDE; |
duke@435 | 148 | } else if (len==8 && strncmp(curr, "allevent", 8)==0) { |
duke@435 | 149 | domain = ALL_EVENT | EVENT; |
duke@435 | 150 | } else if (len==5 && strncmp(curr, "event", 5)==0) { |
duke@435 | 151 | domain = ALL_EVENT | EVENT; |
duke@435 | 152 | } else if (len==2 && strncmp(curr, "ec", 2)==0) { |
duke@435 | 153 | _trace_event_controller = true; |
duke@435 | 154 | tty->print_cr("JVMTI Tracing the event controller"); |
duke@435 | 155 | } else { |
duke@435 | 156 | domain = FUNC | EVENT; // go searching |
duke@435 | 157 | } |
duke@435 | 158 | |
duke@435 | 159 | int exclude_index = 0; |
duke@435 | 160 | if (domain & FUNC) { |
duke@435 | 161 | if (domain & ALL_FUNC) { |
duke@435 | 162 | if (domain & EXCLUDE) { |
duke@435 | 163 | tty->print("JVMTI Tracing all significant functions"); |
duke@435 | 164 | } else { |
duke@435 | 165 | tty->print_cr("JVMTI Tracing all functions"); |
duke@435 | 166 | } |
duke@435 | 167 | } |
duke@435 | 168 | for (int i = 0; i <= _max_function_index; ++i) { |
duke@435 | 169 | if (domain & EXCLUDE && i == _exclude_functions[exclude_index]) { |
duke@435 | 170 | ++exclude_index; |
duke@435 | 171 | } else { |
duke@435 | 172 | bool do_op = false; |
duke@435 | 173 | if (domain & ALL_FUNC) { |
duke@435 | 174 | do_op = true; |
duke@435 | 175 | } else { |
duke@435 | 176 | const char *fname = function_name(i); |
duke@435 | 177 | if (fname != NULL) { |
duke@435 | 178 | size_t fnlen = strlen(fname); |
duke@435 | 179 | if (len==fnlen && strncmp(curr, fname, fnlen)==0) { |
duke@435 | 180 | tty->print_cr("JVMTI Tracing the function: %s", fname); |
duke@435 | 181 | do_op = true; |
duke@435 | 182 | } |
duke@435 | 183 | } |
duke@435 | 184 | } |
duke@435 | 185 | if (do_op) { |
duke@435 | 186 | if (op == '+') { |
duke@435 | 187 | _trace_flags[i] |= bits; |
duke@435 | 188 | } else { |
duke@435 | 189 | _trace_flags[i] &= ~bits; |
duke@435 | 190 | } |
duke@435 | 191 | _on = true; |
duke@435 | 192 | } |
duke@435 | 193 | } |
duke@435 | 194 | } |
duke@435 | 195 | } |
duke@435 | 196 | if (domain & EVENT) { |
duke@435 | 197 | if (domain & ALL_EVENT) { |
duke@435 | 198 | tty->print_cr("JVMTI Tracing all events"); |
duke@435 | 199 | } |
duke@435 | 200 | for (int i = 0; i <= _max_event_index; ++i) { |
duke@435 | 201 | bool do_op = false; |
duke@435 | 202 | if (domain & ALL_EVENT) { |
duke@435 | 203 | do_op = true; |
duke@435 | 204 | } else { |
duke@435 | 205 | const char *ename = event_name(i); |
duke@435 | 206 | if (ename != NULL) { |
duke@435 | 207 | size_t evtlen = strlen(ename); |
duke@435 | 208 | if (len==evtlen && strncmp(curr, ename, evtlen)==0) { |
duke@435 | 209 | tty->print_cr("JVMTI Tracing the event: %s", ename); |
duke@435 | 210 | do_op = true; |
duke@435 | 211 | } |
duke@435 | 212 | } |
duke@435 | 213 | } |
duke@435 | 214 | if (do_op) { |
duke@435 | 215 | if (op == '+') { |
duke@435 | 216 | _event_trace_flags[i] |= bits; |
duke@435 | 217 | } else { |
duke@435 | 218 | _event_trace_flags[i] &= ~bits; |
duke@435 | 219 | } |
duke@435 | 220 | _on = true; |
duke@435 | 221 | } |
duke@435 | 222 | } |
duke@435 | 223 | } |
duke@435 | 224 | if (!_on && (domain & (FUNC|EVENT))) { |
duke@435 | 225 | tty->print_cr("JVMTI Trace domain not found"); |
duke@435 | 226 | } |
duke@435 | 227 | curr = curr_end + 1; |
duke@435 | 228 | } |
duke@435 | 229 | _initialized = true; |
duke@435 | 230 | } |
duke@435 | 231 | |
duke@435 | 232 | |
duke@435 | 233 | void JvmtiTrace::shutdown() { |
duke@435 | 234 | int i; |
duke@435 | 235 | _on = false; |
duke@435 | 236 | _trace_event_controller = false; |
duke@435 | 237 | for (i = 0; i <= _max_function_index; ++i) { |
duke@435 | 238 | _trace_flags[i] = 0; |
duke@435 | 239 | } |
duke@435 | 240 | for (i = 0; i <= _max_event_index; ++i) { |
duke@435 | 241 | _event_trace_flags[i] = 0; |
duke@435 | 242 | } |
duke@435 | 243 | } |
duke@435 | 244 | |
duke@435 | 245 | |
duke@435 | 246 | const char* JvmtiTrace::enum_name(const char** names, const jint* values, jint value) { |
duke@435 | 247 | for (int index = 0; names[index] != 0; ++index) { |
duke@435 | 248 | if (values[index] == value) { |
duke@435 | 249 | return names[index]; |
duke@435 | 250 | } |
duke@435 | 251 | } |
duke@435 | 252 | return "*INVALID-ENUM-VALUE*"; |
duke@435 | 253 | } |
duke@435 | 254 | |
duke@435 | 255 | |
duke@435 | 256 | // return a valid string no matter what state the thread is in |
duke@435 | 257 | const char *JvmtiTrace::safe_get_thread_name(Thread *thread) { |
duke@435 | 258 | if (thread == NULL) { |
duke@435 | 259 | return "NULL"; |
duke@435 | 260 | } |
duke@435 | 261 | if (!thread->is_Java_thread()) { |
duke@435 | 262 | return thread->name(); |
duke@435 | 263 | } |
duke@435 | 264 | JavaThread *java_thread = (JavaThread *)thread; |
duke@435 | 265 | oop threadObj = java_thread->threadObj(); |
duke@435 | 266 | if (threadObj == NULL) { |
duke@435 | 267 | return "NULL"; |
duke@435 | 268 | } |
duke@435 | 269 | typeArrayOop name = java_lang_Thread::name(threadObj); |
duke@435 | 270 | if (name == NULL) { |
duke@435 | 271 | return "<NOT FILLED IN>"; |
duke@435 | 272 | } |
duke@435 | 273 | return UNICODE::as_utf8((jchar*) name->base(T_CHAR), name->length()); |
duke@435 | 274 | } |
duke@435 | 275 | |
duke@435 | 276 | |
duke@435 | 277 | // return the name of the current thread |
duke@435 | 278 | const char *JvmtiTrace::safe_get_current_thread_name() { |
duke@435 | 279 | if (JvmtiEnv::is_vm_live()) { |
duke@435 | 280 | return JvmtiTrace::safe_get_thread_name(Thread::current()); |
duke@435 | 281 | } else { |
duke@435 | 282 | return "VM not live"; |
duke@435 | 283 | } |
duke@435 | 284 | } |
duke@435 | 285 | |
duke@435 | 286 | // return a valid string no matter what the state of k_mirror |
duke@435 | 287 | const char * JvmtiTrace::get_class_name(oop k_mirror) { |
duke@435 | 288 | if (java_lang_Class::is_primitive(k_mirror)) { |
duke@435 | 289 | return "primitive"; |
duke@435 | 290 | } |
duke@435 | 291 | klassOop k_oop = java_lang_Class::as_klassOop(k_mirror); |
duke@435 | 292 | if (k_oop == NULL) { |
duke@435 | 293 | return "INVALID"; |
duke@435 | 294 | } |
duke@435 | 295 | return Klass::cast(k_oop)->external_name(); |
duke@435 | 296 | } |
duke@435 | 297 | |
duke@435 | 298 | #endif /*JVMTI_TRACE */ |