зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1492121 - Rename env-vars MOZ_PROFILER_* to MOZ_BASE_PROFILER_* - r=njn
Notice the extra 'BASE' in the env-var names. This is to control BaseProfiler separately from the Gecko Profiler. Differential Revision: https://phabricator.services.mozilla.com/D31928 --HG-- extra : moz-landing-system : lando
This commit is contained in:
Gerald Squelart
Родитель
061c135876
Коммит
11d60b8f63
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@ -633,11 +633,11 @@ void ProfileBuffer::StreamSamplesToJSON(SpliceableJSONWriter& aWriter,
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unsigned long long pcULL = (unsigned long long)(uintptr_t)pc;
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SprintfLiteral(buf, "%#llx", pcULL);
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// If the "MOZ_PROFILER_SYMBOLICATE" env-var is set, we add a local
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// If the "MOZ_BASE_PROFILER_SYMBOLICATE" env-var is set, we add a local
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// symbolication description to the PC address. This is off by default,
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// and mainly intended for local development.
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static const bool preSymbolicate = []() {
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const char* symbolicate = getenv("MOZ_PROFILER_SYMBOLICATE");
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const char* symbolicate = getenv("MOZ_BASE_PROFILER_SYMBOLICATE");
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return symbolicate && symbolicate[0] != '\0';
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}();
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if (preSymbolicate) {
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@ -189,7 +189,7 @@ static uint32_t DefaultFeatures() {
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ProfilerFeature::Responsiveness;
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}
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// Extra default features when MOZ_PROFILER_STARTUP is set (even if not
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// Extra default features when MOZ_BASE_PROFILER_STARTUP is set (even if not
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// available).
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static uint32_t StartupExtraDefaultFeatures() {
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// Enable mainthreadio by default for startup profiles as startup is heavy on
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@ -1683,52 +1683,54 @@ static void PrintUsageThenExit(int aExitCode) {
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"\n"
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"Profiler environment variable usage:\n"
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"\n"
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" MOZ_PROFILER_HELP\n"
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" MOZ_BASE_PROFILER_HELP\n"
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" If set to any value, prints this message.\n"
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" Use MOZ_PROFILER_HELP for Gecko Profiler help.\n"
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"\n"
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" MOZ_BASE_PROFILER_{,DEBUG_,VERBOSE}LOGGING\n"
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" Enables logging to stdout. The levels of logging available are\n"
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" 'MOZ_BASE_PROFILER_LOGGING' (least verbose), '..._DEBUG_LOGGING',\n"
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" '..._VERBOSE_LOGGING' (most verbose)\n"
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"\n"
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" MOZ_PROFILER_STARTUP\n"
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" MOZ_BASE_PROFILER_STARTUP\n"
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" If set to any value, starts the profiler immediately on start-up.\n"
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" Useful if you want profile code that runs very early.\n"
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"\n"
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" MOZ_PROFILER_STARTUP_ENTRIES=<1..>\n"
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" If MOZ_PROFILER_STARTUP is set, specifies the number of entries per\n"
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" process in the profiler's circular buffer when the profiler is first\n"
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" started.\n"
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" MOZ_BASE_PROFILER_STARTUP_ENTRIES=<1..>\n"
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" If MOZ_BASE_PROFILER_STARTUP is set, specifies the number of entries\n"
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" per process in the profiler's circular buffer when the profiler is\n"
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" first started.\n"
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" If unset, the platform default is used:\n"
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" %u entries per process, or %u when MOZ_PROFILER_STARTUP is set.\n"
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" %u entries per process, or %u when MOZ_BASE_PROFILER_STARTUP is set.\n"
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" (%zu bytes per entry -> %zu or %zu total bytes per process)\n"
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"\n"
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" MOZ_PROFILER_STARTUP_DURATION=<1..>\n"
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" If MOZ_PROFILER_STARTUP is set, specifies the maximum life time of\n"
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" entries in the the profiler's circular buffer when the profiler is\n"
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" first started, in seconds.\n"
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" MOZ_BASE_PROFILER_STARTUP_DURATION=<1..>\n"
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" If MOZ_BASE_PROFILER_STARTUP is set, specifies the maximum life time\n"
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" of entries in the the profiler's circular buffer when the profiler\n"
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" is first started, in seconds.\n"
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" If unset, the life time of the entries will only be restricted by\n"
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" MOZ_PROFILER_STARTUP_ENTRIES (or its default value), and no\n"
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" MOZ_BASE_PROFILER_STARTUP_ENTRIES (or its default value), and no\n"
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" additional time duration restriction will be applied.\n"
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"\n"
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" MOZ_PROFILER_STARTUP_INTERVAL=<1..1000>\n"
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" If MOZ_PROFILER_STARTUP is set, specifies the sample interval,\n"
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" MOZ_BASE_PROFILER_STARTUP_INTERVAL=<1..1000>\n"
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" If MOZ_BASE_PROFILER_STARTUP is set, specifies the sample interval,\n"
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" measured in milliseconds, when the profiler is first started.\n"
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" If unset, the platform default is used.\n"
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"\n"
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" MOZ_PROFILER_STARTUP_FEATURES_BITFIELD=<Number>\n"
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" If MOZ_PROFILER_STARTUP is set, specifies the profiling features, as\n"
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" the integer value of the features bitfield.\n"
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" If unset, the value from MOZ_PROFILER_STARTUP_FEATURES is used.\n"
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" MOZ_BASE_PROFILER_STARTUP_FEATURES_BITFIELD=<Number>\n"
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" If MOZ_BASE_PROFILER_STARTUP is set, specifies the profiling\n"
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" features, as the integer value of the features bitfield.\n"
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" If unset, the value from MOZ_BASE_PROFILER_STARTUP_FEATURES is used.\n"
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"\n"
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" MOZ_PROFILER_STARTUP_FEATURES=<Features>\n"
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" If MOZ_PROFILER_STARTUP is set, specifies the profiling features, as\n"
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" a comma-separated list of strings.\n"
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" Ignored if MOZ_PROFILER_STARTUP_FEATURES_BITFIELD is set.\n"
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" MOZ_BASE_PROFILER_STARTUP_FEATURES=<Features>\n"
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" If MOZ_BASE_PROFILER_STARTUP is set, specifies the profiling\n"
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" features, as a comma-separated list of strings.\n"
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" Ignored if MOZ_BASE_PROFILER_STARTUP_FEATURES_BITFIELD is set.\n"
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" If unset, the platform default is used.\n"
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"\n"
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" Features: (x=unavailable, D/d=default/unavailable,\n"
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" S/s=MOZ_PROFILER_STARTUP extra default/unavailable)\n",
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" S/s=MOZ_BASE_PROFILER_STARTUP extra "
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"default/unavailable)\n",
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unsigned(PROFILER_DEFAULT_ENTRIES),
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unsigned(PROFILER_DEFAULT_STARTUP_ENTRIES), sizeof(ProfileBufferEntry),
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sizeof(ProfileBufferEntry) * PROFILER_DEFAULT_ENTRIES,
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@ -1746,21 +1748,22 @@ static void PrintUsageThenExit(int aExitCode) {
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printf(
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" - \"default\" (All above D+S defaults)\n"
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"\n"
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" MOZ_PROFILER_STARTUP_FILTERS=<Filters>\n"
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" If MOZ_PROFILER_STARTUP is set, specifies the thread filters, as a\n"
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" MOZ_BASE_PROFILER_STARTUP_FILTERS=<Filters>\n"
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" If MOZ_BASE_PROFILER_STARTUP is set, specifies the thread filters, as "
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"a\n"
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" comma-separated list of strings. A given thread will be sampled if\n"
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" any of the filters is a case-insensitive substring of the thread\n"
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" name. If unset, a default is used.\n"
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"\n"
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" MOZ_PROFILER_SHUTDOWN\n"
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" MOZ_BASE_PROFILER_SHUTDOWN\n"
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" If set, the profiler saves a profile to the named file on shutdown.\n"
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"\n"
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" MOZ_PROFILER_SYMBOLICATE\n"
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" MOZ_BASE_PROFILER_SYMBOLICATE\n"
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" If set, the profiler will pre-symbolicate profiles.\n"
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" *Note* This will add a significant pause when gathering data, and\n"
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" is intended mainly for local development.\n"
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"\n"
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" MOZ_PROFILER_LUL_TEST\n"
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" MOZ_BASE_PROFILER_LUL_TEST\n"
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" If set to any value, runs LUL unit tests at startup.\n"
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"\n"
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" This platform %s native unwinding.\n"
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@ -2166,7 +2169,7 @@ void profiler_init(void* aStackTop) {
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MOZ_RELEASE_ASSERT(!CorePS::Exists());
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if (getenv("MOZ_PROFILER_HELP")) {
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if (getenv("MOZ_BASE_PROFILER_HELP")) {
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PrintUsageThenExit(0); // terminates execution
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}
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@ -2201,17 +2204,17 @@ void profiler_init(void* aStackTop) {
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// startup, even if no profiling is actually to be done. So, instead, it is
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// created on demand at the first call to PlatformStart().
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const char* startupEnv = getenv("MOZ_PROFILER_STARTUP");
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const char* startupEnv = getenv("MOZ_BASE_PROFILER_STARTUP");
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if (!startupEnv || startupEnv[0] == '\0') {
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return;
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}
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LOG("- MOZ_PROFILER_STARTUP is set");
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LOG("- MOZ_BASE_PROFILER_STARTUP is set");
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// Startup default capacity may be different.
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capacity = PROFILER_DEFAULT_STARTUP_ENTRIES;
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const char* startupCapacity = getenv("MOZ_PROFILER_STARTUP_ENTRIES");
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const char* startupCapacity = getenv("MOZ_BASE_PROFILER_STARTUP_ENTRIES");
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if (startupCapacity && startupCapacity[0] != '\0') {
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errno = 0;
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long capacityLong = strtol(startupCapacity, nullptr, 10);
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@ -2221,42 +2224,42 @@ void profiler_init(void* aStackTop) {
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static_cast<uint64_t>(capacityLong) <=
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static_cast<uint64_t>(UINT32_MAX)) {
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capacity = static_cast<uint32_t>(capacityLong);
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LOG("- MOZ_PROFILER_STARTUP_ENTRIES = %u", unsigned(capacity));
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LOG("- MOZ_BASE_PROFILER_STARTUP_ENTRIES = %u", unsigned(capacity));
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} else {
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LOG("- MOZ_PROFILER_STARTUP_ENTRIES not a valid integer: %s",
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LOG("- MOZ_BASE_PROFILER_STARTUP_ENTRIES not a valid integer: %s",
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startupCapacity);
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PrintUsageThenExit(1);
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}
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}
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const char* startupDuration = getenv("MOZ_PROFILER_STARTUP_DURATION");
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const char* startupDuration = getenv("MOZ_BASE_PROFILER_STARTUP_DURATION");
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if (startupDuration && startupDuration[0] != '\0') {
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// TODO implement if needed
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MOZ_CRASH("MOZ_PROFILER_STARTUP_DURATION unsupported");
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MOZ_CRASH("MOZ_BASE_PROFILER_STARTUP_DURATION unsupported");
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// errno = 0;
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// double durationVal = PR_strtod(startupDuration, nullptr);
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// if (errno == 0 && durationVal >= 0.0) {
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// if (durationVal > 0.0) {
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// duration = Some(durationVal);
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// }
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// LOG("- MOZ_PROFILER_STARTUP_DURATION = %f", durationVal);
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// LOG("- MOZ_BASE_PROFILER_STARTUP_DURATION = %f", durationVal);
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// } else {
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// LOG("- MOZ_PROFILER_STARTUP_DURATION not a valid float: %s",
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// LOG("- MOZ_BASE_PROFILER_STARTUP_DURATION not a valid float: %s",
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// startupDuration);
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// PrintUsageThenExit(1);
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// }
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}
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const char* startupInterval = getenv("MOZ_PROFILER_STARTUP_INTERVAL");
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const char* startupInterval = getenv("MOZ_BASE_PROFILER_STARTUP_INTERVAL");
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if (startupInterval && startupInterval[0] != '\0') {
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// TODO implement if needed
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MOZ_CRASH("MOZ_PROFILER_STARTUP_INTERVAL unsupported");
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MOZ_CRASH("MOZ_BASE_PROFILER_STARTUP_INTERVAL unsupported");
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// errno = 0;
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// interval = PR_strtod(startupInterval, nullptr);
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// if (errno == 0 && interval > 0.0 && interval <= 1000.0) {
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// LOG("- MOZ_PROFILER_STARTUP_INTERVAL = %f", interval);
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// LOG("- MOZ_BASE_PROFILER_STARTUP_INTERVAL = %f", interval);
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// } else {
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// LOG("- MOZ_PROFILER_STARTUP_INTERVAL not a valid float: %s",
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// LOG("- MOZ_BASE_PROFILER_STARTUP_INTERVAL not a valid float: %s",
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// startupInterval);
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// PrintUsageThenExit(1);
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// }
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@ -2265,19 +2268,22 @@ void profiler_init(void* aStackTop) {
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features |= StartupExtraDefaultFeatures() & AvailableFeatures();
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const char* startupFeaturesBitfield =
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getenv("MOZ_PROFILER_STARTUP_FEATURES_BITFIELD");
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getenv("MOZ_BASE_PROFILER_STARTUP_FEATURES_BITFIELD");
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if (startupFeaturesBitfield && startupFeaturesBitfield[0] != '\0') {
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errno = 0;
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features = strtol(startupFeaturesBitfield, nullptr, 10);
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if (errno == 0 && features != 0) {
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LOG("- MOZ_PROFILER_STARTUP_FEATURES_BITFIELD = %d", features);
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LOG("- MOZ_BASE_PROFILER_STARTUP_FEATURES_BITFIELD = %d", features);
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} else {
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LOG("- MOZ_PROFILER_STARTUP_FEATURES_BITFIELD not a valid integer: %s",
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LOG("- MOZ_BASE_PROFILER_STARTUP_FEATURES_BITFIELD not a valid "
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"integer: "
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"%s",
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startupFeaturesBitfield);
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PrintUsageThenExit(1);
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}
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} else {
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const char* startupFeatures = getenv("MOZ_PROFILER_STARTUP_FEATURES");
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const char* startupFeatures =
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getenv("MOZ_BASE_PROFILER_STARTUP_FEATURES");
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if (startupFeatures && startupFeatures[0] != '\0') {
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// Interpret startupFeatures as a list of feature strings, separated by
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// commas.
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@ -2287,14 +2293,14 @@ void profiler_init(void* aStackTop) {
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features = ParseFeaturesFromStringArray(featureStringArray.begin(),
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featureStringArray.length(),
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/* aIsStartup */ true);
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LOG("- MOZ_PROFILER_STARTUP_FEATURES = %d", features);
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LOG("- MOZ_BASE_PROFILER_STARTUP_FEATURES = %d", features);
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}
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}
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const char* startupFilters = getenv("MOZ_PROFILER_STARTUP_FILTERS");
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const char* startupFilters = getenv("MOZ_BASE_PROFILER_STARTUP_FILTERS");
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if (startupFilters && startupFilters[0] != '\0') {
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filters = SplitAtCommas(startupFilters, filterStorage);
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LOG("- MOZ_PROFILER_STARTUP_FILTERS = %s", startupFilters);
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LOG("- MOZ_BASE_PROFILER_STARTUP_FILTERS = %s", startupFilters);
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}
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locked_profiler_start(lock, capacity, interval, features, filters.begin(),
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@ -2334,7 +2340,7 @@ void profiler_shutdown() {
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// Save the profile on shutdown if requested.
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if (ActivePS::Exists(lock)) {
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const char* filename = getenv("MOZ_PROFILER_SHUTDOWN");
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const char* filename = getenv("MOZ_BASE_PROFILER_SHUTDOWN");
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if (filename) {
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locked_profiler_save_profile_to_file(lock, filename,
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/* aIsShuttingDown */ true);
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@ -2450,23 +2456,23 @@ void GetProfilerEnvVarsForChildProcess(
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PSAutoLock lock;
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if (!ActivePS::Exists(lock)) {
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aSetEnv("MOZ_PROFILER_STARTUP", "");
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aSetEnv("MOZ_BASE_PROFILER_STARTUP", "");
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return;
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}
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aSetEnv("MOZ_PROFILER_STARTUP", "1");
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aSetEnv("MOZ_BASE_PROFILER_STARTUP", "1");
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auto capacityString = Smprintf("%d", ActivePS::Capacity(lock));
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aSetEnv("MOZ_PROFILER_STARTUP_ENTRIES", capacityString.get());
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aSetEnv("MOZ_BASE_PROFILER_STARTUP_ENTRIES", capacityString.get());
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// Use AppendFloat instead of Smprintf with %f because the decimal
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// separator used by %f is locale-dependent. But the string we produce needs
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// to be parseable by strtod, which only accepts the period character as a
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// decimal separator. AppendFloat always uses the period character.
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std::string intervalString = std::to_string(ActivePS::Interval(lock));
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aSetEnv("MOZ_PROFILER_STARTUP_INTERVAL", intervalString.c_str());
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aSetEnv("MOZ_BASE_PROFILER_STARTUP_INTERVAL", intervalString.c_str());
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auto featuresString = Smprintf("%d", ActivePS::Features(lock));
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aSetEnv("MOZ_PROFILER_STARTUP_FEATURES_BITFIELD", featuresString.get());
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aSetEnv("MOZ_BASE_PROFILER_STARTUP_FEATURES_BITFIELD", featuresString.get());
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std::string filtersString;
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const Vector<std::string>& filters = ActivePS::Filters(lock);
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@ -2476,7 +2482,7 @@ void GetProfilerEnvVarsForChildProcess(
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filtersString += ",";
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}
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}
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aSetEnv("MOZ_PROFILER_STARTUP_FILTERS", filtersString.c_str());
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aSetEnv("MOZ_BASE_PROFILER_STARTUP_FILTERS", filtersString.c_str());
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}
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} // namespace mozilla
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@ -249,8 +249,8 @@ static constexpr uint32_t PROFILER_DEFAULT_STARTUP_ENTRIES =
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# define PROFILER_DEFAULT_DURATION 20
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# define PROFILER_DEFAULT_INTERVAL 1
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// Initialize the profiler. If MOZ_PROFILER_STARTUP is set the profiler will
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// also be started. This call must happen before any other profiler calls
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// Initialize the profiler. If MOZ_BASE_PROFILER_STARTUP is set the profiler
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// will also be started. This call must happen before any other profiler calls
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// (except profiler_start(), which will call profiler_init() if it hasn't
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// already run).
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MFBT_API void profiler_init(void* stackTop);
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@ -939,7 +939,7 @@ class MOZ_RAII AutoProfilerTracing {
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const mozilla::Maybe<uint32_t> mDocShellHistoryId;
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};
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// Get the MOZ_PROFILER_STARTUP* environment variables that should be
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// Get the MOZ_BASE_PROFILER_STARTUP* environment variables that should be
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// supplied to a child process that is about to be launched, in order
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// to make that child process start with the same profiler settings as
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// in the current process. The given function is invoked once for
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@ -2207,6 +2207,9 @@ static void PrintUsageThenExit(int aExitCode) {
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"\n"
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" MOZ_PROFILER_HELP\n"
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" If set to any value, prints this message.\n"
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#ifdef MOZ_BASE_PROFILER
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" Use MOZ_BASE_PROFILER_HELP for BaseProfiler help.\n"
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#endif
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"\n"
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" MOZ_LOG\n"
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" Enables logging. The levels of logging available are\n"
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