parsed_options.cc revision aabbb2066a715b3fd8e752291f74c6d77b970450
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "parsed_options.h" 18 19#ifdef HAVE_ANDROID_OS 20#include "cutils/properties.h" 21#endif 22 23#include "base/stringpiece.h" 24#include "debugger.h" 25#include "gc/heap.h" 26#include "monitor.h" 27#include "runtime.h" 28#include "trace.h" 29#include "utils.h" 30 31namespace art { 32 33ParsedOptions* ParsedOptions::Create(const RuntimeOptions& options, bool ignore_unrecognized) { 34 std::unique_ptr<ParsedOptions> parsed(new ParsedOptions()); 35 if (parsed->Parse(options, ignore_unrecognized)) { 36 return parsed.release(); 37 } 38 return nullptr; 39} 40 41// Parse a string of the form /[0-9]+[kKmMgG]?/, which is used to specify 42// memory sizes. [kK] indicates kilobytes, [mM] megabytes, and 43// [gG] gigabytes. 44// 45// "s" should point just past the "-Xm?" part of the string. 46// "div" specifies a divisor, e.g. 1024 if the value must be a multiple 47// of 1024. 48// 49// The spec says the -Xmx and -Xms options must be multiples of 1024. It 50// doesn't say anything about -Xss. 51// 52// Returns 0 (a useless size) if "s" is malformed or specifies a low or 53// non-evenly-divisible value. 54// 55size_t ParseMemoryOption(const char* s, size_t div) { 56 // strtoul accepts a leading [+-], which we don't want, 57 // so make sure our string starts with a decimal digit. 58 if (isdigit(*s)) { 59 char* s2; 60 size_t val = strtoul(s, &s2, 10); 61 if (s2 != s) { 62 // s2 should be pointing just after the number. 63 // If this is the end of the string, the user 64 // has specified a number of bytes. Otherwise, 65 // there should be exactly one more character 66 // that specifies a multiplier. 67 if (*s2 != '\0') { 68 // The remainder of the string is either a single multiplier 69 // character, or nothing to indicate that the value is in 70 // bytes. 71 char c = *s2++; 72 if (*s2 == '\0') { 73 size_t mul; 74 if (c == '\0') { 75 mul = 1; 76 } else if (c == 'k' || c == 'K') { 77 mul = KB; 78 } else if (c == 'm' || c == 'M') { 79 mul = MB; 80 } else if (c == 'g' || c == 'G') { 81 mul = GB; 82 } else { 83 // Unknown multiplier character. 84 return 0; 85 } 86 87 if (val <= std::numeric_limits<size_t>::max() / mul) { 88 val *= mul; 89 } else { 90 // Clamp to a multiple of 1024. 91 val = std::numeric_limits<size_t>::max() & ~(1024-1); 92 } 93 } else { 94 // There's more than one character after the numeric part. 95 return 0; 96 } 97 } 98 // The man page says that a -Xm value must be a multiple of 1024. 99 if (val % div == 0) { 100 return val; 101 } 102 } 103 } 104 return 0; 105} 106 107static gc::CollectorType ParseCollectorType(const std::string& option) { 108 if (option == "MS" || option == "nonconcurrent") { 109 return gc::kCollectorTypeMS; 110 } else if (option == "CMS" || option == "concurrent") { 111 return gc::kCollectorTypeCMS; 112 } else if (option == "SS") { 113 return gc::kCollectorTypeSS; 114 } else if (option == "GSS") { 115 return gc::kCollectorTypeGSS; 116 } else if (option == "CC") { 117 return gc::kCollectorTypeCC; 118 } else if (option == "MC") { 119 return gc::kCollectorTypeMC; 120 } else { 121 return gc::kCollectorTypeNone; 122 } 123} 124 125bool ParsedOptions::ParseXGcOption(const std::string& option) { 126 std::vector<std::string> gc_options; 127 Split(option.substr(strlen("-Xgc:")), ',', gc_options); 128 for (const std::string& gc_option : gc_options) { 129 gc::CollectorType collector_type = ParseCollectorType(gc_option); 130 if (collector_type != gc::kCollectorTypeNone) { 131 collector_type_ = collector_type; 132 } else if (gc_option == "preverify") { 133 verify_pre_gc_heap_ = true; 134 } else if (gc_option == "nopreverify") { 135 verify_pre_gc_heap_ = false; 136 } else if (gc_option == "presweepingverify") { 137 verify_pre_sweeping_heap_ = true; 138 } else if (gc_option == "nopresweepingverify") { 139 verify_pre_sweeping_heap_ = false; 140 } else if (gc_option == "postverify") { 141 verify_post_gc_heap_ = true; 142 } else if (gc_option == "nopostverify") { 143 verify_post_gc_heap_ = false; 144 } else if (gc_option == "preverify_rosalloc") { 145 verify_pre_gc_rosalloc_ = true; 146 } else if (gc_option == "nopreverify_rosalloc") { 147 verify_pre_gc_rosalloc_ = false; 148 } else if (gc_option == "presweepingverify_rosalloc") { 149 verify_pre_sweeping_rosalloc_ = true; 150 } else if (gc_option == "nopresweepingverify_rosalloc") { 151 verify_pre_sweeping_rosalloc_ = false; 152 } else if (gc_option == "postverify_rosalloc") { 153 verify_post_gc_rosalloc_ = true; 154 } else if (gc_option == "nopostverify_rosalloc") { 155 verify_post_gc_rosalloc_ = false; 156 } else if ((gc_option == "precise") || 157 (gc_option == "noprecise") || 158 (gc_option == "verifycardtable") || 159 (gc_option == "noverifycardtable")) { 160 // Ignored for backwards compatibility. 161 } else { 162 Usage("Unknown -Xgc option %s\n", gc_option.c_str()); 163 return false; 164 } 165 } 166 return true; 167} 168 169bool ParsedOptions::Parse(const RuntimeOptions& options, bool ignore_unrecognized) { 170 const char* boot_class_path_string = getenv("BOOTCLASSPATH"); 171 if (boot_class_path_string != NULL) { 172 boot_class_path_string_ = boot_class_path_string; 173 } 174 const char* class_path_string = getenv("CLASSPATH"); 175 if (class_path_string != NULL) { 176 class_path_string_ = class_path_string; 177 } 178 // -Xcheck:jni is off by default for regular builds but on by default in debug builds. 179 check_jni_ = kIsDebugBuild; 180 181 heap_initial_size_ = gc::Heap::kDefaultInitialSize; 182 heap_maximum_size_ = gc::Heap::kDefaultMaximumSize; 183 heap_min_free_ = gc::Heap::kDefaultMinFree; 184 heap_max_free_ = gc::Heap::kDefaultMaxFree; 185 heap_target_utilization_ = gc::Heap::kDefaultTargetUtilization; 186 foreground_heap_growth_multiplier_ = gc::Heap::kDefaultHeapGrowthMultiplier; 187 heap_growth_limit_ = 0; // 0 means no growth limit . 188 // Default to number of processors minus one since the main GC thread also does work. 189 parallel_gc_threads_ = sysconf(_SC_NPROCESSORS_CONF) - 1; 190 // Only the main GC thread, no workers. 191 conc_gc_threads_ = 0; 192 // The default GC type is set in makefiles. 193#if ART_DEFAULT_GC_TYPE_IS_CMS 194 collector_type_ = gc::kCollectorTypeCMS; 195#elif ART_DEFAULT_GC_TYPE_IS_SS 196 collector_type_ = gc::kCollectorTypeSS; 197#elif ART_DEFAULT_GC_TYPE_IS_GSS 198 collector_type_ = gc::kCollectorTypeGSS; 199#else 200#error "ART default GC type must be set" 201#endif 202 // If we are using homogeneous space compaction then default background compaction to off since 203 // homogeneous space compactions when we transition to not jank perceptible. 204 use_homogeneous_space_compaction_for_oom_ = false; 205 // If background_collector_type_ is kCollectorTypeNone, it defaults to the collector_type_ after 206 // parsing options. If you set this to kCollectorTypeHSpaceCompact then we will do an hspace 207 // compaction when we transition to background instead of a normal collector transition. 208#ifdef ART_USE_HSPACE_COMPACT 209 background_collector_type_ = gc::kCollectorTypeHomogeneousSpaceCompact; 210#else 211 background_collector_type_ = gc::kCollectorTypeSS; 212#endif 213 stack_size_ = 0; // 0 means default. 214 max_spins_before_thin_lock_inflation_ = Monitor::kDefaultMaxSpinsBeforeThinLockInflation; 215 low_memory_mode_ = false; 216 use_tlab_ = false; 217 min_interval_homogeneous_space_compaction_by_oom_ = MsToNs(100 * 1000); // 100s. 218 verify_pre_gc_heap_ = false; 219 // Pre sweeping is the one that usually fails if the GC corrupted the heap. 220 verify_pre_sweeping_heap_ = kIsDebugBuild; 221 verify_post_gc_heap_ = false; 222 verify_pre_gc_rosalloc_ = kIsDebugBuild; 223 verify_pre_sweeping_rosalloc_ = false; 224 verify_post_gc_rosalloc_ = false; 225 226 compiler_callbacks_ = nullptr; 227 is_zygote_ = false; 228 must_relocate_ = kDefaultMustRelocate; 229 dex2oat_enabled_ = true; 230 if (kPoisonHeapReferences) { 231 // kPoisonHeapReferences currently works only with the interpreter only. 232 // TODO: make it work with the compiler. 233 interpreter_only_ = true; 234 } else { 235 interpreter_only_ = false; 236 } 237 is_explicit_gc_disabled_ = false; 238 239 long_pause_log_threshold_ = gc::Heap::kDefaultLongPauseLogThreshold; 240 long_gc_log_threshold_ = gc::Heap::kDefaultLongGCLogThreshold; 241 dump_gc_performance_on_shutdown_ = false; 242 ignore_max_footprint_ = false; 243 244 lock_profiling_threshold_ = 0; 245 hook_is_sensitive_thread_ = NULL; 246 247 hook_vfprintf_ = vfprintf; 248 hook_exit_ = exit; 249 hook_abort_ = NULL; // We don't call abort(3) by default; see Runtime::Abort. 250 251// gLogVerbosity.class_linker = true; // TODO: don't check this in! 252// gLogVerbosity.compiler = true; // TODO: don't check this in! 253// gLogVerbosity.gc = true; // TODO: don't check this in! 254// gLogVerbosity.heap = true; // TODO: don't check this in! 255// gLogVerbosity.jdwp = true; // TODO: don't check this in! 256// gLogVerbosity.jni = true; // TODO: don't check this in! 257// gLogVerbosity.monitor = true; // TODO: don't check this in! 258// gLogVerbosity.profiler = true; // TODO: don't check this in! 259// gLogVerbosity.signals = true; // TODO: don't check this in! 260// gLogVerbosity.startup = true; // TODO: don't check this in! 261// gLogVerbosity.third_party_jni = true; // TODO: don't check this in! 262// gLogVerbosity.threads = true; // TODO: don't check this in! 263// gLogVerbosity.verifier = true; // TODO: don't check this in! 264 265 method_trace_ = false; 266 method_trace_file_ = "/data/method-trace-file.bin"; 267 method_trace_file_size_ = 10 * MB; 268 269 profile_clock_source_ = kDefaultTraceClockSource; 270 271 verify_ = true; 272 image_isa_ = kRuntimeISA; 273 274 for (size_t i = 0; i < options.size(); ++i) { 275 if (true && options[0].first == "-Xzygote") { 276 LOG(INFO) << "option[" << i << "]=" << options[i].first; 277 } 278 } 279 for (size_t i = 0; i < options.size(); ++i) { 280 const std::string option(options[i].first); 281 if (StartsWith(option, "-help")) { 282 Usage(nullptr); 283 return false; 284 } else if (StartsWith(option, "-showversion")) { 285 UsageMessage(stdout, "ART version %s\n", Runtime::GetVersion()); 286 Exit(0); 287 } else if (StartsWith(option, "-Xbootclasspath:")) { 288 boot_class_path_string_ = option.substr(strlen("-Xbootclasspath:")).data(); 289 LOG(INFO) << "setting boot class path to " << boot_class_path_string_; 290 } else if (option == "-classpath" || option == "-cp") { 291 // TODO: support -Djava.class.path 292 i++; 293 if (i == options.size()) { 294 Usage("Missing required class path value for %s\n", option.c_str()); 295 return false; 296 } 297 const StringPiece& value = options[i].first; 298 class_path_string_ = value.data(); 299 } else if (option == "bootclasspath") { 300 boot_class_path_ 301 = reinterpret_cast<const std::vector<const DexFile*>*>(options[i].second); 302 } else if (StartsWith(option, "-Ximage:")) { 303 if (!ParseStringAfterChar(option, ':', &image_)) { 304 return false; 305 } 306 } else if (StartsWith(option, "-Xcheck:jni")) { 307 check_jni_ = true; 308 } else if (StartsWith(option, "-Xrunjdwp:") || StartsWith(option, "-agentlib:jdwp=")) { 309 std::string tail(option.substr(option[1] == 'X' ? 10 : 15)); 310 // TODO: move parsing logic out of Dbg 311 if (tail == "help" || !Dbg::ParseJdwpOptions(tail)) { 312 if (tail != "help") { 313 UsageMessage(stderr, "Failed to parse JDWP option %s\n", tail.c_str()); 314 } 315 Usage("Example: -Xrunjdwp:transport=dt_socket,address=8000,server=y\n" 316 "Example: -Xrunjdwp:transport=dt_socket,address=localhost:6500,server=n\n"); 317 return false; 318 } 319 } else if (StartsWith(option, "-Xms")) { 320 size_t size = ParseMemoryOption(option.substr(strlen("-Xms")).c_str(), 1024); 321 if (size == 0) { 322 Usage("Failed to parse memory option %s\n", option.c_str()); 323 return false; 324 } 325 heap_initial_size_ = size; 326 } else if (StartsWith(option, "-Xmx")) { 327 size_t size = ParseMemoryOption(option.substr(strlen("-Xmx")).c_str(), 1024); 328 if (size == 0) { 329 Usage("Failed to parse memory option %s\n", option.c_str()); 330 return false; 331 } 332 heap_maximum_size_ = size; 333 } else if (StartsWith(option, "-XX:HeapGrowthLimit=")) { 334 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapGrowthLimit=")).c_str(), 1024); 335 if (size == 0) { 336 Usage("Failed to parse memory option %s\n", option.c_str()); 337 return false; 338 } 339 heap_growth_limit_ = size; 340 } else if (StartsWith(option, "-XX:HeapMinFree=")) { 341 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMinFree=")).c_str(), 1024); 342 if (size == 0) { 343 Usage("Failed to parse memory option %s\n", option.c_str()); 344 return false; 345 } 346 heap_min_free_ = size; 347 } else if (StartsWith(option, "-XX:HeapMaxFree=")) { 348 size_t size = ParseMemoryOption(option.substr(strlen("-XX:HeapMaxFree=")).c_str(), 1024); 349 if (size == 0) { 350 Usage("Failed to parse memory option %s\n", option.c_str()); 351 return false; 352 } 353 heap_max_free_ = size; 354 } else if (StartsWith(option, "-XX:HeapTargetUtilization=")) { 355 if (!ParseDouble(option, '=', 0.1, 0.9, &heap_target_utilization_)) { 356 return false; 357 } 358 } else if (StartsWith(option, "-XX:ForegroundHeapGrowthMultiplier=")) { 359 if (!ParseDouble(option, '=', 0.1, 10.0, &foreground_heap_growth_multiplier_)) { 360 return false; 361 } 362 } else if (StartsWith(option, "-XX:ParallelGCThreads=")) { 363 if (!ParseUnsignedInteger(option, '=', ¶llel_gc_threads_)) { 364 return false; 365 } 366 } else if (StartsWith(option, "-XX:ConcGCThreads=")) { 367 if (!ParseUnsignedInteger(option, '=', &conc_gc_threads_)) { 368 return false; 369 } 370 } else if (StartsWith(option, "-Xss")) { 371 size_t size = ParseMemoryOption(option.substr(strlen("-Xss")).c_str(), 1); 372 if (size == 0) { 373 Usage("Failed to parse memory option %s\n", option.c_str()); 374 return false; 375 } 376 stack_size_ = size; 377 } else if (StartsWith(option, "-XX:MaxSpinsBeforeThinLockInflation=")) { 378 if (!ParseUnsignedInteger(option, '=', &max_spins_before_thin_lock_inflation_)) { 379 return false; 380 } 381 } else if (StartsWith(option, "-XX:LongPauseLogThreshold=")) { 382 unsigned int value; 383 if (!ParseUnsignedInteger(option, '=', &value)) { 384 return false; 385 } 386 long_pause_log_threshold_ = MsToNs(value); 387 } else if (StartsWith(option, "-XX:LongGCLogThreshold=")) { 388 unsigned int value; 389 if (!ParseUnsignedInteger(option, '=', &value)) { 390 return false; 391 } 392 long_gc_log_threshold_ = MsToNs(value); 393 } else if (option == "-XX:DumpGCPerformanceOnShutdown") { 394 dump_gc_performance_on_shutdown_ = true; 395 } else if (option == "-XX:IgnoreMaxFootprint") { 396 ignore_max_footprint_ = true; 397 } else if (option == "-XX:LowMemoryMode") { 398 if (background_collector_type_ == gc::kCollectorTypeHomogeneousSpaceCompact) { 399 // Use semispace instead of homogenous space compact for low memory mode. 400 background_collector_type_ = gc::kCollectorTypeSS; 401 } 402 low_memory_mode_ = true; 403 // TODO Might want to turn off must_relocate here. 404 } else if (option == "-XX:UseTLAB") { 405 use_tlab_ = true; 406 } else if (option == "-XX:EnableHSpaceCompactForOOM") { 407 use_homogeneous_space_compaction_for_oom_ = true; 408 } else if (option == "-XX:DisableHSpaceCompactForOOM") { 409 use_homogeneous_space_compaction_for_oom_ = false; 410 } else if (StartsWith(option, "-D")) { 411 properties_.push_back(option.substr(strlen("-D"))); 412 } else if (StartsWith(option, "-Xjnitrace:")) { 413 jni_trace_ = option.substr(strlen("-Xjnitrace:")); 414 } else if (option == "compilercallbacks") { 415 compiler_callbacks_ = 416 reinterpret_cast<CompilerCallbacks*>(const_cast<void*>(options[i].second)); 417 } else if (option == "imageinstructionset") { 418 const char* isa_str = reinterpret_cast<const char*>(options[i].second); 419 image_isa_ = GetInstructionSetFromString(isa_str); 420 if (image_isa_ == kNone) { 421 Usage("%s is not a valid instruction set.", isa_str); 422 return false; 423 } 424 } else if (option == "-Xzygote") { 425 is_zygote_ = true; 426 } else if (StartsWith(option, "-Xpatchoat:")) { 427 if (!ParseStringAfterChar(option, ':', &patchoat_executable_)) { 428 return false; 429 } 430 } else if (option == "-Xrelocate") { 431 must_relocate_ = true; 432 } else if (option == "-Xnorelocate") { 433 must_relocate_ = false; 434 } else if (option == "-Xnodex2oat") { 435 dex2oat_enabled_ = false; 436 } else if (option == "-Xdex2oat") { 437 dex2oat_enabled_ = true; 438 } else if (option == "-Xint") { 439 interpreter_only_ = true; 440 } else if (StartsWith(option, "-Xgc:")) { 441 if (!ParseXGcOption(option)) { 442 return false; 443 } 444 } else if (StartsWith(option, "-XX:BackgroundGC=")) { 445 std::string substring; 446 if (!ParseStringAfterChar(option, '=', &substring)) { 447 return false; 448 } 449 // Special handling for HSpaceCompact since this is only valid as a background GC type. 450 if (substring == "HSpaceCompact") { 451 background_collector_type_ = gc::kCollectorTypeHomogeneousSpaceCompact; 452 } else { 453 gc::CollectorType collector_type = ParseCollectorType(substring); 454 if (collector_type != gc::kCollectorTypeNone) { 455 background_collector_type_ = collector_type; 456 } else { 457 Usage("Unknown -XX:BackgroundGC option %s\n", substring.c_str()); 458 return false; 459 } 460 } 461 } else if (option == "-XX:+DisableExplicitGC") { 462 is_explicit_gc_disabled_ = true; 463 } else if (StartsWith(option, "-verbose:")) { 464 std::vector<std::string> verbose_options; 465 Split(option.substr(strlen("-verbose:")), ',', verbose_options); 466 for (size_t i = 0; i < verbose_options.size(); ++i) { 467 if (verbose_options[i] == "class") { 468 gLogVerbosity.class_linker = true; 469 } else if (verbose_options[i] == "compiler") { 470 gLogVerbosity.compiler = true; 471 } else if (verbose_options[i] == "gc") { 472 gLogVerbosity.gc = true; 473 } else if (verbose_options[i] == "heap") { 474 gLogVerbosity.heap = true; 475 } else if (verbose_options[i] == "jdwp") { 476 gLogVerbosity.jdwp = true; 477 } else if (verbose_options[i] == "jni") { 478 gLogVerbosity.jni = true; 479 } else if (verbose_options[i] == "monitor") { 480 gLogVerbosity.monitor = true; 481 } else if (verbose_options[i] == "profiler") { 482 gLogVerbosity.profiler = true; 483 } else if (verbose_options[i] == "signals") { 484 gLogVerbosity.signals = true; 485 } else if (verbose_options[i] == "startup") { 486 gLogVerbosity.startup = true; 487 } else if (verbose_options[i] == "third-party-jni") { 488 gLogVerbosity.third_party_jni = true; 489 } else if (verbose_options[i] == "threads") { 490 gLogVerbosity.threads = true; 491 } else if (verbose_options[i] == "verifier") { 492 gLogVerbosity.verifier = true; 493 } else { 494 Usage("Unknown -verbose option %s\n", verbose_options[i].c_str()); 495 return false; 496 } 497 } 498 } else if (StartsWith(option, "-verbose-methods:")) { 499 gLogVerbosity.compiler = false; 500 Split(option.substr(strlen("-verbose-methods:")), ',', gVerboseMethods); 501 } else if (StartsWith(option, "-Xlockprofthreshold:")) { 502 if (!ParseUnsignedInteger(option, ':', &lock_profiling_threshold_)) { 503 return false; 504 } 505 } else if (StartsWith(option, "-Xstacktracefile:")) { 506 if (!ParseStringAfterChar(option, ':', &stack_trace_file_)) { 507 return false; 508 } 509 } else if (option == "sensitiveThread") { 510 const void* hook = options[i].second; 511 hook_is_sensitive_thread_ = reinterpret_cast<bool (*)()>(const_cast<void*>(hook)); 512 } else if (option == "vfprintf") { 513 const void* hook = options[i].second; 514 if (hook == nullptr) { 515 Usage("vfprintf argument was NULL"); 516 return false; 517 } 518 hook_vfprintf_ = 519 reinterpret_cast<int (*)(FILE *, const char*, va_list)>(const_cast<void*>(hook)); 520 } else if (option == "exit") { 521 const void* hook = options[i].second; 522 if (hook == nullptr) { 523 Usage("exit argument was NULL"); 524 return false; 525 } 526 hook_exit_ = reinterpret_cast<void(*)(jint)>(const_cast<void*>(hook)); 527 } else if (option == "abort") { 528 const void* hook = options[i].second; 529 if (hook == nullptr) { 530 Usage("abort was NULL\n"); 531 return false; 532 } 533 hook_abort_ = reinterpret_cast<void(*)()>(const_cast<void*>(hook)); 534 } else if (option == "-Xmethod-trace") { 535 method_trace_ = true; 536 } else if (StartsWith(option, "-Xmethod-trace-file:")) { 537 method_trace_file_ = option.substr(strlen("-Xmethod-trace-file:")); 538 } else if (StartsWith(option, "-Xmethod-trace-file-size:")) { 539 if (!ParseUnsignedInteger(option, ':', &method_trace_file_size_)) { 540 return false; 541 } 542 } else if (option == "-Xprofile:threadcpuclock") { 543 Trace::SetDefaultClockSource(kTraceClockSourceThreadCpu); 544 } else if (option == "-Xprofile:wallclock") { 545 Trace::SetDefaultClockSource(kTraceClockSourceWall); 546 } else if (option == "-Xprofile:dualclock") { 547 Trace::SetDefaultClockSource(kTraceClockSourceDual); 548 } else if (option == "-Xenable-profiler") { 549 profiler_options_.enabled_ = true; 550 } else if (StartsWith(option, "-Xprofile-filename:")) { 551 if (!ParseStringAfterChar(option, ':', &profile_output_filename_)) { 552 return false; 553 } 554 } else if (StartsWith(option, "-Xprofile-period:")) { 555 if (!ParseUnsignedInteger(option, ':', &profiler_options_.period_s_)) { 556 return false; 557 } 558 } else if (StartsWith(option, "-Xprofile-duration:")) { 559 if (!ParseUnsignedInteger(option, ':', &profiler_options_.duration_s_)) { 560 return false; 561 } 562 } else if (StartsWith(option, "-Xprofile-interval:")) { 563 if (!ParseUnsignedInteger(option, ':', &profiler_options_.interval_us_)) { 564 return false; 565 } 566 } else if (StartsWith(option, "-Xprofile-backoff:")) { 567 if (!ParseDouble(option, ':', 1.0, 10.0, &profiler_options_.backoff_coefficient_)) { 568 return false; 569 } 570 } else if (option == "-Xprofile-start-immediately") { 571 profiler_options_.start_immediately_ = true; 572 } else if (StartsWith(option, "-Xprofile-top-k-threshold:")) { 573 if (!ParseDouble(option, ':', 0.0, 100.0, &profiler_options_.top_k_threshold_)) { 574 return false; 575 } 576 } else if (StartsWith(option, "-Xprofile-top-k-change-threshold:")) { 577 if (!ParseDouble(option, ':', 0.0, 100.0, &profiler_options_.top_k_change_threshold_)) { 578 return false; 579 } 580 } else if (option == "-Xprofile-type:method") { 581 profiler_options_.profile_type_ = kProfilerMethod; 582 } else if (option == "-Xprofile-type:stack") { 583 profiler_options_.profile_type_ = kProfilerBoundedStack; 584 } else if (StartsWith(option, "-Xprofile-max-stack-depth:")) { 585 if (!ParseUnsignedInteger(option, ':', &profiler_options_.max_stack_depth_)) { 586 return false; 587 } 588 } else if (StartsWith(option, "-Xcompiler:")) { 589 if (!ParseStringAfterChar(option, ':', &compiler_executable_)) { 590 return false; 591 } 592 } else if (option == "-Xcompiler-option") { 593 i++; 594 if (i == options.size()) { 595 Usage("Missing required compiler option for %s\n", option.c_str()); 596 return false; 597 } 598 compiler_options_.push_back(options[i].first); 599 } else if (option == "-Ximage-compiler-option") { 600 i++; 601 if (i == options.size()) { 602 Usage("Missing required compiler option for %s\n", option.c_str()); 603 return false; 604 } 605 image_compiler_options_.push_back(options[i].first); 606 } else if (StartsWith(option, "-Xverify:")) { 607 std::string verify_mode = option.substr(strlen("-Xverify:")); 608 if (verify_mode == "none") { 609 verify_ = false; 610 } else if (verify_mode == "remote" || verify_mode == "all") { 611 verify_ = true; 612 } else { 613 Usage("Unknown -Xverify option %s\n", verify_mode.c_str()); 614 return false; 615 } 616 } else if (StartsWith(option, "-XX:NativeBridge=")) { 617 if (!ParseStringAfterChar(option, '=', &native_bridge_library_path_)) { 618 return false; 619 } 620 } else if (StartsWith(option, "-ea") || 621 StartsWith(option, "-da") || 622 StartsWith(option, "-enableassertions") || 623 StartsWith(option, "-disableassertions") || 624 (option == "--runtime-arg") || 625 (option == "-esa") || 626 (option == "-dsa") || 627 (option == "-enablesystemassertions") || 628 (option == "-disablesystemassertions") || 629 (option == "-Xrs") || 630 StartsWith(option, "-Xint:") || 631 StartsWith(option, "-Xdexopt:") || 632 (option == "-Xnoquithandler") || 633 StartsWith(option, "-Xjniopts:") || 634 StartsWith(option, "-Xjnigreflimit:") || 635 (option == "-Xgenregmap") || 636 (option == "-Xnogenregmap") || 637 StartsWith(option, "-Xverifyopt:") || 638 (option == "-Xcheckdexsum") || 639 (option == "-Xincludeselectedop") || 640 StartsWith(option, "-Xjitop:") || 641 (option == "-Xincludeselectedmethod") || 642 StartsWith(option, "-Xjitthreshold:") || 643 StartsWith(option, "-Xjitcodecachesize:") || 644 (option == "-Xjitblocking") || 645 StartsWith(option, "-Xjitmethod:") || 646 StartsWith(option, "-Xjitclass:") || 647 StartsWith(option, "-Xjitoffset:") || 648 StartsWith(option, "-Xjitconfig:") || 649 (option == "-Xjitcheckcg") || 650 (option == "-Xjitverbose") || 651 (option == "-Xjitprofile") || 652 (option == "-Xjitdisableopt") || 653 (option == "-Xjitsuspendpoll") || 654 StartsWith(option, "-XX:mainThreadStackSize=")) { 655 // Ignored for backwards compatibility. 656 } else if (!ignore_unrecognized) { 657 Usage("Unrecognized option %s\n", option.c_str()); 658 return false; 659 } 660 } 661 662 // If a reference to the dalvik core.jar snuck in, replace it with 663 // the art specific version. This can happen with on device 664 // boot.art/boot.oat generation by GenerateImage which relies on the 665 // value of BOOTCLASSPATH. 666#if defined(ART_TARGET) 667 std::string core_jar("/core.jar"); 668 std::string core_libart_jar("/core-libart.jar"); 669#else 670 // The host uses hostdex files. 671 std::string core_jar("/core-hostdex.jar"); 672 std::string core_libart_jar("/core-libart-hostdex.jar"); 673#endif 674 size_t core_jar_pos = boot_class_path_string_.find(core_jar); 675 if (core_jar_pos != std::string::npos) { 676 boot_class_path_string_.replace(core_jar_pos, core_jar.size(), core_libart_jar); 677 } 678 679 if (compiler_callbacks_ == nullptr && image_.empty()) { 680 image_ += GetAndroidRoot(); 681 image_ += "/framework/boot.art"; 682 } 683 if (heap_growth_limit_ == 0) { 684 heap_growth_limit_ = heap_maximum_size_; 685 } 686 if (background_collector_type_ == gc::kCollectorTypeNone) { 687 background_collector_type_ = collector_type_; 688 } 689 return true; 690} // NOLINT(readability/fn_size) 691 692void ParsedOptions::Exit(int status) { 693 hook_exit_(status); 694} 695 696void ParsedOptions::Abort() { 697 hook_abort_(); 698} 699 700void ParsedOptions::UsageMessageV(FILE* stream, const char* fmt, va_list ap) { 701 hook_vfprintf_(stderr, fmt, ap); 702} 703 704void ParsedOptions::UsageMessage(FILE* stream, const char* fmt, ...) { 705 va_list ap; 706 va_start(ap, fmt); 707 UsageMessageV(stream, fmt, ap); 708 va_end(ap); 709} 710 711void ParsedOptions::Usage(const char* fmt, ...) { 712 bool error = (fmt != nullptr); 713 FILE* stream = error ? stderr : stdout; 714 715 if (fmt != nullptr) { 716 va_list ap; 717 va_start(ap, fmt); 718 UsageMessageV(stream, fmt, ap); 719 va_end(ap); 720 } 721 722 const char* program = "dalvikvm"; 723 UsageMessage(stream, "%s: [options] class [argument ...]\n", program); 724 UsageMessage(stream, "\n"); 725 UsageMessage(stream, "The following standard options are supported:\n"); 726 UsageMessage(stream, " -classpath classpath (-cp classpath)\n"); 727 UsageMessage(stream, " -Dproperty=value\n"); 728 UsageMessage(stream, " -verbose:tag ('gc', 'jni', or 'class')\n"); 729 UsageMessage(stream, " -showversion\n"); 730 UsageMessage(stream, " -help\n"); 731 UsageMessage(stream, " -agentlib:jdwp=options\n"); 732 UsageMessage(stream, "\n"); 733 734 UsageMessage(stream, "The following extended options are supported:\n"); 735 UsageMessage(stream, " -Xrunjdwp:<options>\n"); 736 UsageMessage(stream, " -Xbootclasspath:bootclasspath\n"); 737 UsageMessage(stream, " -Xcheck:tag (e.g. 'jni')\n"); 738 UsageMessage(stream, " -XmsN (min heap, must be multiple of 1K, >= 1MB)\n"); 739 UsageMessage(stream, " -XmxN (max heap, must be multiple of 1K, >= 2MB)\n"); 740 UsageMessage(stream, " -XssN (stack size)\n"); 741 UsageMessage(stream, " -Xint\n"); 742 UsageMessage(stream, "\n"); 743 744 UsageMessage(stream, "The following Dalvik options are supported:\n"); 745 UsageMessage(stream, " -Xzygote\n"); 746 UsageMessage(stream, " -Xjnitrace:substring (eg NativeClass or nativeMethod)\n"); 747 UsageMessage(stream, " -Xstacktracefile:<filename>\n"); 748 UsageMessage(stream, " -Xgc:[no]preverify\n"); 749 UsageMessage(stream, " -Xgc:[no]postverify\n"); 750 UsageMessage(stream, " -XX:+DisableExplicitGC\n"); 751 UsageMessage(stream, " -XX:HeapGrowthLimit=N\n"); 752 UsageMessage(stream, " -XX:HeapMinFree=N\n"); 753 UsageMessage(stream, " -XX:HeapMaxFree=N\n"); 754 UsageMessage(stream, " -XX:HeapTargetUtilization=doublevalue\n"); 755 UsageMessage(stream, " -XX:ForegroundHeapGrowthMultiplier=doublevalue\n"); 756 UsageMessage(stream, " -XX:LowMemoryMode\n"); 757 UsageMessage(stream, " -Xprofile:{threadcpuclock,wallclock,dualclock}\n"); 758 UsageMessage(stream, "\n"); 759 760 UsageMessage(stream, "The following unique to ART options are supported:\n"); 761 UsageMessage(stream, " -Xgc:[no]preverify_rosalloc\n"); 762 UsageMessage(stream, " -Xgc:[no]postsweepingverify_rosalloc\n"); 763 UsageMessage(stream, " -Xgc:[no]postverify_rosalloc\n"); 764 UsageMessage(stream, " -Xgc:[no]presweepingverify\n"); 765 UsageMessage(stream, " -Ximage:filename\n"); 766 UsageMessage(stream, " -XX:ParallelGCThreads=integervalue\n"); 767 UsageMessage(stream, " -XX:ConcGCThreads=integervalue\n"); 768 UsageMessage(stream, " -XX:MaxSpinsBeforeThinLockInflation=integervalue\n"); 769 UsageMessage(stream, " -XX:LongPauseLogThreshold=integervalue\n"); 770 UsageMessage(stream, " -XX:LongGCLogThreshold=integervalue\n"); 771 UsageMessage(stream, " -XX:DumpGCPerformanceOnShutdown\n"); 772 UsageMessage(stream, " -XX:IgnoreMaxFootprint\n"); 773 UsageMessage(stream, " -XX:UseTLAB\n"); 774 UsageMessage(stream, " -XX:BackgroundGC=none\n"); 775 UsageMessage(stream, " -Xmethod-trace\n"); 776 UsageMessage(stream, " -Xmethod-trace-file:filename"); 777 UsageMessage(stream, " -Xmethod-trace-file-size:integervalue\n"); 778 UsageMessage(stream, " -Xenable-profiler\n"); 779 UsageMessage(stream, " -Xprofile-filename:filename\n"); 780 UsageMessage(stream, " -Xprofile-period:integervalue\n"); 781 UsageMessage(stream, " -Xprofile-duration:integervalue\n"); 782 UsageMessage(stream, " -Xprofile-interval:integervalue\n"); 783 UsageMessage(stream, " -Xprofile-backoff:doublevalue\n"); 784 UsageMessage(stream, " -Xprofile-start-immediately\n"); 785 UsageMessage(stream, " -Xprofile-top-k-threshold:doublevalue\n"); 786 UsageMessage(stream, " -Xprofile-top-k-change-threshold:doublevalue\n"); 787 UsageMessage(stream, " -Xprofile-type:{method,stack}\n"); 788 UsageMessage(stream, " -Xprofile-max-stack-depth:integervalue\n"); 789 UsageMessage(stream, " -Xcompiler:filename\n"); 790 UsageMessage(stream, " -Xcompiler-option dex2oat-option\n"); 791 UsageMessage(stream, " -Ximage-compiler-option dex2oat-option\n"); 792 UsageMessage(stream, " -Xpatchoat:filename\n"); 793 UsageMessage(stream, " -X[no]relocate\n"); 794 UsageMessage(stream, " -X[no]dex2oat (Whether to invoke dex2oat on the application)\n"); 795 UsageMessage(stream, "\n"); 796 797 UsageMessage(stream, "The following previously supported Dalvik options are ignored:\n"); 798 UsageMessage(stream, " -ea[:<package name>... |:<class name>]\n"); 799 UsageMessage(stream, " -da[:<package name>... |:<class name>]\n"); 800 UsageMessage(stream, " (-enableassertions, -disableassertions)\n"); 801 UsageMessage(stream, " -esa\n"); 802 UsageMessage(stream, " -dsa\n"); 803 UsageMessage(stream, " (-enablesystemassertions, -disablesystemassertions)\n"); 804 UsageMessage(stream, " -Xverify:{none,remote,all}\n"); 805 UsageMessage(stream, " -Xrs\n"); 806 UsageMessage(stream, " -Xint:portable, -Xint:fast, -Xint:jit\n"); 807 UsageMessage(stream, " -Xdexopt:{none,verified,all,full}\n"); 808 UsageMessage(stream, " -Xnoquithandler\n"); 809 UsageMessage(stream, " -Xjniopts:{warnonly,forcecopy}\n"); 810 UsageMessage(stream, " -Xjnigreflimit:integervalue\n"); 811 UsageMessage(stream, " -Xgc:[no]precise\n"); 812 UsageMessage(stream, " -Xgc:[no]verifycardtable\n"); 813 UsageMessage(stream, " -X[no]genregmap\n"); 814 UsageMessage(stream, " -Xverifyopt:[no]checkmon\n"); 815 UsageMessage(stream, " -Xcheckdexsum\n"); 816 UsageMessage(stream, " -Xincludeselectedop\n"); 817 UsageMessage(stream, " -Xjitop:hexopvalue[-endvalue][,hexopvalue[-endvalue]]*\n"); 818 UsageMessage(stream, " -Xincludeselectedmethod\n"); 819 UsageMessage(stream, " -Xjitthreshold:integervalue\n"); 820 UsageMessage(stream, " -Xjitcodecachesize:decimalvalueofkbytes\n"); 821 UsageMessage(stream, " -Xjitblocking\n"); 822 UsageMessage(stream, " -Xjitmethod:signature[,signature]* (eg Ljava/lang/String\\;replace)\n"); 823 UsageMessage(stream, " -Xjitclass:classname[,classname]*\n"); 824 UsageMessage(stream, " -Xjitoffset:offset[,offset]\n"); 825 UsageMessage(stream, " -Xjitconfig:filename\n"); 826 UsageMessage(stream, " -Xjitcheckcg\n"); 827 UsageMessage(stream, " -Xjitverbose\n"); 828 UsageMessage(stream, " -Xjitprofile\n"); 829 UsageMessage(stream, " -Xjitdisableopt\n"); 830 UsageMessage(stream, " -Xjitsuspendpoll\n"); 831 UsageMessage(stream, " -XX:mainThreadStackSize=N\n"); 832 UsageMessage(stream, "\n"); 833 834 Exit((error) ? 1 : 0); 835} 836 837bool ParsedOptions::ParseStringAfterChar(const std::string& s, char c, std::string* parsed_value) { 838 std::string::size_type colon = s.find(c); 839 if (colon == std::string::npos) { 840 Usage("Missing char %c in option %s\n", c, s.c_str()); 841 return false; 842 } 843 // Add one to remove the char we were trimming until. 844 *parsed_value = s.substr(colon + 1); 845 return true; 846} 847 848bool ParsedOptions::ParseInteger(const std::string& s, char after_char, int* parsed_value) { 849 std::string::size_type colon = s.find(after_char); 850 if (colon == std::string::npos) { 851 Usage("Missing char %c in option %s\n", after_char, s.c_str()); 852 return false; 853 } 854 const char* begin = &s[colon + 1]; 855 char* end; 856 size_t result = strtoul(begin, &end, 10); 857 if (begin == end || *end != '\0') { 858 Usage("Failed to parse integer from %s\n", s.c_str()); 859 return false; 860 } 861 *parsed_value = result; 862 return true; 863} 864 865bool ParsedOptions::ParseUnsignedInteger(const std::string& s, char after_char, 866 unsigned int* parsed_value) { 867 int i; 868 if (!ParseInteger(s, after_char, &i)) { 869 return false; 870 } 871 if (i < 0) { 872 Usage("Negative value %d passed for unsigned option %s\n", i, s.c_str()); 873 return false; 874 } 875 *parsed_value = i; 876 return true; 877} 878 879bool ParsedOptions::ParseDouble(const std::string& option, char after_char, 880 double min, double max, double* parsed_value) { 881 std::string substring; 882 if (!ParseStringAfterChar(option, after_char, &substring)) { 883 return false; 884 } 885 bool sane_val = true; 886 double value; 887 if (false) { 888 // TODO: this doesn't seem to work on the emulator. b/15114595 889 std::stringstream iss(substring); 890 iss >> value; 891 // Ensure that we have a value, there was no cruft after it and it satisfies a sensible range. 892 sane_val = iss.eof() && (value >= min) && (value <= max); 893 } else { 894 char* end = nullptr; 895 value = strtod(substring.c_str(), &end); 896 sane_val = *end == '\0' && value >= min && value <= max; 897 } 898 if (!sane_val) { 899 Usage("Invalid double value %s for option %s\n", substring.c_str(), option.c_str()); 900 return false; 901 } 902 *parsed_value = value; 903 return true; 904} 905 906} // namespace art 907