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Unified Diff: src/platform-freebsd.cc

Issue 10871039: Replacing circular queue by single buffer in CPU Profiler. (Closed) Base URL: http://git.chromium.org/external/v8.git@profiling
Patch Set: an attempt to fix a test that strangely crashed only once Created 8 years, 3 months ago
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Index: src/platform-freebsd.cc
diff --git a/src/platform-freebsd.cc b/src/platform-freebsd.cc
index 87c252c2d1d8c0401bbc17ed6ba3fb30ced8cabb..6d1bccda99fc999ccddfaafdf974e93ddde4264e 100644
--- a/src/platform-freebsd.cc
+++ b/src/platform-freebsd.cc
@@ -678,9 +678,8 @@ static void ProfilerSignalHandler(int signal, siginfo_t* info, void* context) {
Sampler* sampler = isolate->logger()->sampler();
if (sampler == NULL || !sampler->IsActive()) return;
- TickSample sample_obj;
- TickSample* sample = CpuProfiler::TickSampleEvent(isolate);
- if (sample == NULL) sample = &sample_obj;
+ TickSample* sample = CpuProfiler::StartTickSampleEvent(isolate);
+ if (sample == NULL) return;
// Extracting the sample from the context is extremely machine dependent.
ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context);
@@ -701,6 +700,7 @@ static void ProfilerSignalHandler(int signal, siginfo_t* info, void* context) {
#endif
sampler->SampleStack(sample);
sampler->Tick(sample);
+ CpuProfiler::FinishTickSampleEvent(isolate);
}
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