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Bug 734691 - Part 1: Rename Stack/Profile to imply their thread specific. r=mstange
This commit is contained in:
Benoit Girard
parent
85f60cd6e7
commit
2f94430d85
@ -104,7 +104,7 @@ bool stack_key_initialized;
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TimeStamp sLastTracerEvent;
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class Profile;
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class ThreadProfile;
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class ProfileEntry
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{
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@ -141,10 +141,10 @@ public:
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, mTagName(aTagName)
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{ }
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string TagToString(Profile *profile);
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string TagToString(ThreadProfile *profile);
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private:
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friend class Profile;
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friend class ThreadProfile;
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union {
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const char* mTagData;
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double mTagFloat;
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@ -156,10 +156,10 @@ private:
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};
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#define PROFILE_MAX_ENTRY 100000
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class Profile
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class ThreadProfile
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{
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public:
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Profile(int aEntrySize)
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ThreadProfile(int aEntrySize)
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: mWritePos(0)
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, mLastFlushPos(0)
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, mReadPos(0)
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@ -168,7 +168,7 @@ public:
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mEntries = new ProfileEntry[mEntrySize];
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}
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~Profile()
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~ThreadProfile()
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{
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delete[] mEntries;
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}
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@ -331,17 +331,17 @@ hasFeature(const char** aFeatures, uint32_t aFeatureCount, const char* aFeature)
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class TableTicker: public Sampler {
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public:
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TableTicker(int aInterval, int aEntrySize, Stack *aStack,
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TableTicker(int aInterval, int aEntrySize, ProfileStack *aStack,
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const char** aFeatures, uint32_t aFeatureCount)
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: Sampler(aInterval, true)
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, mProfile(aEntrySize)
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, mPrimaryThreadProfile(aEntrySize)
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, mStack(aStack)
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, mSaveRequested(false)
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{
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mUseStackWalk = hasFeature(aFeatures, aFeatureCount, "stackwalk");
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//XXX: It's probably worth splitting the jank profiler out from the regular profiler at some point
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mJankOnly = hasFeature(aFeatures, aFeatureCount, "jank");
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mProfile.addTag(ProfileEntry('m', "Start"));
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mPrimaryThreadProfile.addTag(ProfileEntry('m', "Start"));
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}
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~TableTicker() { if (IsActive()) Stop(); }
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@ -359,23 +359,24 @@ class TableTicker: public Sampler {
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virtual void HandleSaveRequest();
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Stack* GetStack()
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ProfileStack* GetStack()
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{
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return mStack;
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}
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Profile* GetProfile()
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ThreadProfile* GetPrimaryThreadProfile()
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{
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return &mProfile;
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return &mPrimaryThreadProfile;
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}
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private:
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// Not implemented on platforms which do not support backtracing
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void doBacktrace(Profile &aProfile, Address pc);
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void doBacktrace(ThreadProfile &aProfile, Address pc);
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private:
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Profile mProfile;
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Stack *mStack;
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// This represent the application's main thread (SAMPLER_INIT)
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ThreadProfile mPrimaryThreadProfile;
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ProfileStack *mStack;
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bool mSaveRequested;
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bool mUseStackWalk;
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bool mJankOnly;
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@ -414,7 +415,7 @@ public:
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FILE* stream = ::fopen(buff, "w");
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if (stream) {
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t->GetProfile()->WriteProfile(stream);
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t->GetPrimaryThreadProfile()->WriteProfile(stream);
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::fclose(stream);
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LOG("Saved to " FOLDER "profile_TYPE_PID.txt");
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} else {
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@ -439,7 +440,7 @@ void TableTicker::HandleSaveRequest()
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#ifdef USE_BACKTRACE
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void TableTicker::doBacktrace(Profile &aProfile, Address pc)
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void TableTicker::doBacktrace(ThreadProfile &aProfile, Address pc)
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{
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void *array[100];
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int count = backtrace (array, 100);
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@ -472,7 +473,7 @@ void StackWalkCallback(void* aPC, void* aClosure)
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array->array[array->count++] = aPC;
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}
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void TableTicker::doBacktrace(Profile &aProfile, Address fp)
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void TableTicker::doBacktrace(ThreadProfile &aProfile, Address fp)
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{
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#ifndef XP_MACOSX
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uintptr_t thread = GetThreadHandle(platform_data());
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@ -504,7 +505,7 @@ void TableTicker::doBacktrace(Profile &aProfile, Address fp)
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#endif
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static
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void doSampleStackTrace(Stack *aStack, Profile &aProfile, TickSample *sample)
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void doSampleStackTrace(ProfileStack *aStack, ThreadProfile &aProfile, TickSample *sample)
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{
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// Sample
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// 's' tag denotes the start of a sample block
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@ -538,7 +539,7 @@ void TableTicker::Tick(TickSample* sample)
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{
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// Marker(s) come before the sample
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for (int i = 0; mStack->getMarker(i) != NULL; i++) {
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mProfile.addTag(ProfileEntry('m', mStack->getMarker(i)));
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mPrimaryThreadProfile.addTag(ProfileEntry('m', mStack->getMarker(i)));
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}
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mStack->mQueueClearMarker = true;
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@ -548,7 +549,7 @@ void TableTicker::Tick(TickSample* sample)
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// XXX: we also probably want to add an entry to the profile to help
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// distinguish which samples are part of the same event. That, or record
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// the event generation in each sample
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mProfile.erase();
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mPrimaryThreadProfile.erase();
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}
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sLastSampledEventGeneration = sCurrentEventGeneration;
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@ -566,24 +567,24 @@ void TableTicker::Tick(TickSample* sample)
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#if defined(USE_BACKTRACE) || defined(USE_NS_STACKWALK)
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if (mUseStackWalk) {
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doBacktrace(mProfile, sample->fp);
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doBacktrace(mPrimaryThreadProfile, sample->fp);
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} else {
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doSampleStackTrace(mStack, mProfile, sample);
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doSampleStackTrace(mStack, mPrimaryThreadProfile, sample);
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}
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#else
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doSampleStackTrace(mStack, mProfile, sample);
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doSampleStackTrace(mStack, mPrimaryThreadProfile, sample);
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#endif
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if (recordSample)
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mProfile.flush();
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mPrimaryThreadProfile.flush();
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if (!mJankOnly && !sLastTracerEvent.IsNull() && sample) {
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TimeDuration delta = sample->timestamp - sLastTracerEvent;
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mProfile.addTag(ProfileEntry('r', delta.ToMilliseconds()));
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mPrimaryThreadProfile.addTag(ProfileEntry('r', delta.ToMilliseconds()));
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}
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}
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string ProfileEntry::TagToString(Profile *profile)
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string ProfileEntry::TagToString(mPrimaryThreadProfile *profile)
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{
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string tag = "";
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if (mTagName == 'r') {
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@ -625,7 +626,7 @@ void mozilla_sampler_init()
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}
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stack_key_initialized = true;
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Stack *stack = new Stack();
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ProfileStack *stack = new ProfileStack();
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mozilla::tls::set(pkey_stack, stack);
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// We can't open pref so we use an environment variable
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@ -669,7 +670,7 @@ char* mozilla_sampler_get_profile()
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}
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StringBuilder profile;
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t->GetProfile()->ToString(profile);
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t->GetPrimaryThreadProfile()->ToString(profile);
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char *rtn = (char*)malloc( (profile.Length()+1) * sizeof(char) );
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strcpy(rtn, profile.Buffer());
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@ -683,7 +684,7 @@ JSObject *mozilla_sampler_get_profile_data(JSContext *aCx)
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return NULL;
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}
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return t->GetProfile()->ToJSObject(aCx);
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return t->GetPrimaryThreadProfile()->ToJSObject(aCx);
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}
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@ -704,7 +705,7 @@ const char** mozilla_sampler_get_features()
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void mozilla_sampler_start(int aProfileEntries, int aInterval,
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const char** aFeatures, uint32_t aFeatureCount)
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{
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Stack *stack = mozilla::tls::get<Stack>(pkey_stack);
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ProfileStack *stack = mozilla::tls::get<ProfileStack>(pkey_stack);
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if (!stack) {
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ASSERT(false);
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return;
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@ -726,7 +727,7 @@ void mozilla_sampler_stop()
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}
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t->Stop();
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mozilla::tls::set(pkey_ticker, (Stack*)NULL);
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mozilla::tls::set(pkey_ticker, (ProfileStack*)NULL);
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}
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bool mozilla_sampler_is_active()
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@ -165,10 +165,10 @@ private:
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// the SamplerStack members are read by signal
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// handlers, so the mutation of them needs to be signal-safe.
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struct Stack
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struct ProfileStack
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{
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public:
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Stack()
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ProfileStack()
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: mStackPointer(0)
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, mMarkerPointer(0)
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, mDroppedStackEntries(0)
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@ -256,7 +256,7 @@ inline void* mozilla_sampler_call_enter(const char *aInfo)
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if (!stack_key_initialized)
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return NULL;
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Stack *stack = mozilla::tls::get<Stack>(pkey_stack);
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ProfileStack *stack = mozilla::tls::get<ProfileStack>(pkey_stack);
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// we can't infer whether 'stack' has been initialized
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// based on the value of stack_key_intiailized because
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// 'stack' is only intialized when a thread is being
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@ -279,13 +279,13 @@ inline void mozilla_sampler_call_exit(void *aHandle)
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if (!aHandle)
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return;
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Stack *stack = (Stack*)aHandle;
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ProfileStack *stack = (ProfileStack*)aHandle;
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stack->pop();
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}
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inline void mozilla_sampler_add_marker(const char *aMarker)
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{
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Stack *stack = mozilla::tls::get<Stack>(pkey_stack);
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ProfileStack *stack = mozilla::tls::get<ProfileStack>(pkey_stack);
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if (!stack) {
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return;
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}
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