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| author | jbates@chromium.org <jbates@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2011-12-01 00:39:23 +0000 |
|---|---|---|
| committer | jbates@chromium.org <jbates@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2011-12-01 00:39:23 +0000 |
| commit | d482596c39895074f33e2154b60794e9dc8dd066 (patch) | |
| tree | f239fbc2a7d710e7214a6805dcf3894f112c1663 /base/test/trace_event_analyzer.h | |
| parent | bd5d6cfd0e09e2123b948083bdaa39b2637b5143 (diff) | |
| download | chromium_src-d482596c39895074f33e2154b60794e9dc8dd066.zip chromium_src-d482596c39895074f33e2154b60794e9dc8dd066.tar.gz chromium_src-d482596c39895074f33e2154b60794e9dc8dd066.tar.bz2 | |
Add TraceAnalyzer support for calculating common event rate statistics
Review URL: http://codereview.chromium.org/8678035
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@112354 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'base/test/trace_event_analyzer.h')
| -rw-r--r-- | base/test/trace_event_analyzer.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/base/test/trace_event_analyzer.h b/base/test/trace_event_analyzer.h index 577b185..e20be61 100644 --- a/base/test/trace_event_analyzer.h +++ b/base/test/trace_event_analyzer.h @@ -411,6 +411,13 @@ class TraceAnalyzer { public: typedef std::vector<const TraceEvent*> TraceEventVector; + struct Stats { + double min_us; + double max_us; + double mean_us; + double standard_deviation_us; + }; + ~TraceAnalyzer(); // Use trace events from JSON string generated by tracing API. @@ -461,6 +468,10 @@ class TraceAnalyzer { const std::string& GetThreadName(const TraceEvent::ProcessThreadID& thread); + // Calculate min/max/mean and standard deviation from the times between + // adjacent events. + static bool GetRateStats(const TraceEventVector& events, Stats* stats); + private: TraceAnalyzer(); |