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Merge pull request #106 from tminaorg/profiling
added cpu profiling
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| Original file line number | Diff line number | Diff line change |
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@@ -32,6 +32,7 @@ src/engines/*/site/* | |
| logdump/*.html | ||
| log/*.log | ||
| database/ | ||
| profiling/ | ||
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| # go generate | ||
| *_stringer.go | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| package main | ||
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| import ( | ||
| "log" | ||
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| "github.com/pkg/profile" | ||
| ) | ||
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| type profiler struct { | ||
| enabled bool | ||
| profile func(p *profile.Profile) | ||
| } | ||
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| func runProfiler() (bool, func()) { | ||
| /* | ||
| goroutine — stack traces of all current goroutines | ||
| heap — a sampling of memory allocations of live objects | ||
| allocs — a sampling of all past memory allocations | ||
| threadcreate — stack traces that led to the creation of new OS threads | ||
| block — stack traces that led to blocking on synchronization primitives | ||
| mutex — stack traces of holders of contended mutexes | ||
| */ | ||
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| profilers := [...]profiler{{ | ||
| enabled: cli.CPUProfile, | ||
| profile: profile.CPUProfile, | ||
| }, { | ||
| enabled: cli.HeapProfile, | ||
| profile: profile.MemProfileHeap, | ||
| }, { | ||
| enabled: cli.GORProfile, | ||
| profile: profile.GoroutineProfile, | ||
| }, { | ||
| enabled: cli.ThreadProfile, | ||
| profile: profile.ThreadcreationProfile, | ||
| }, { | ||
| enabled: cli.BlockProfile, | ||
| profile: profile.BlockProfile, | ||
| }, { | ||
| enabled: cli.AllocProfile, | ||
| profile: profile.MemProfileAllocs, | ||
| }, { | ||
| enabled: cli.MutexProfile, | ||
| profile: profile.MutexProfile, | ||
| }, { | ||
| enabled: cli.ClockProfile, | ||
| profile: profile.ClockProfile, | ||
| }, { | ||
| enabled: cli.TraceProfile, | ||
| profile: profile.TraceProfile, | ||
| }} | ||
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| profilerToRun := profiler{enabled: false} | ||
| for _, p := range profilers { | ||
| if profilerToRun.enabled && p.enabled { | ||
| log.Fatal("Only one profiler can be run at a time.") | ||
| return false, func() {} | ||
| } else if p.enabled { | ||
| profilerToRun = p | ||
| } | ||
| } | ||
| if !profilerToRun.enabled { | ||
| return false, func() {} | ||
| } | ||
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| p := profile.Start(profilerToRun.profile, profile.ProfilePath("./profiling/"), profile.NoShutdownHook) | ||
| return true, func() { | ||
| p.Stop() | ||
| } | ||
| } |
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