From d8ed78431162fcaed0b31b54d939c8a54d4736e7 Mon Sep 17 00:00:00 2001 From: moricho Date: Tue, 25 Feb 2020 16:49:08 +0900 Subject: add profile option --- pkg/sentry/control/pprof.go | 34 +++++++++++++++++++++++++++++++--- 1 file changed, 31 insertions(+), 3 deletions(-) (limited to 'pkg/sentry/control') diff --git a/pkg/sentry/control/pprof.go b/pkg/sentry/control/pprof.go index 151808911..5d1907c0e 100644 --- a/pkg/sentry/control/pprof.go +++ b/pkg/sentry/control/pprof.go @@ -117,15 +117,43 @@ func (p *Profile) HeapProfile(o *ProfileOpts, _ *struct{}) error { return nil } -// Goroutine is an RPC stub which dumps out the stack trace for all running +// GoroutineProfile is an RPC stub which dumps out the stack trace for all running // goroutines. -func (p *Profile) Goroutine(o *ProfileOpts, _ *struct{}) error { +func (p *Profile) GoroutineProfile(o *ProfileOpts, _ *struct{}) error { if len(o.FilePayload.Files) < 1 { return errNoOutput } output := o.FilePayload.Files[0] defer output.Close() - if err := pprof.Lookup("goroutine").WriteTo(output, 2); err != nil { + if err := pprof.Lookup("goroutine").WriteTo(output, 0); err != nil { + return err + } + return nil +} + +// BlockProfile is an RPC stub which dumps out the stack trace that led to +// blocking on synchronization primitives. +func (p *Profile) BlockProfile(o *ProfileOpts, _ *struct{}) error { + if len(o.FilePayload.Files) < 1 { + return errNoOutput + } + output := o.FilePayload.Files[0] + defer output.Close() + if err := pprof.Lookup("block").WriteTo(output, 0); err != nil { + return err + } + return nil +} + +// MutexProfile is an RPC stub which dumps out the stack trace of holders of +// contended mutexes. +func (p *Profile) MutexProfile(o *ProfileOpts, _ *struct{}) error { + if len(o.FilePayload.Files) < 1 { + return errNoOutput + } + output := o.FilePayload.Files[0] + defer output.Close() + if err := pprof.Lookup("mutex").WriteTo(output, 0); err != nil { return err } return nil -- cgit v1.2.3