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-rw-r--r--pkg/sentry/control/pprof.go34
1 files changed, 31 insertions, 3 deletions
diff --git a/pkg/sentry/control/pprof.go b/pkg/sentry/control/pprof.go
index 151808911..663e51989 100644
--- a/pkg/sentry/control/pprof.go
+++ b/pkg/sentry/control/pprof.go
@@ -117,9 +117,9 @@ func (p *Profile) HeapProfile(o *ProfileOpts, _ *struct{}) error {
return nil
}
-// Goroutine is an RPC stub which dumps out the stack trace for all running
-// goroutines.
-func (p *Profile) Goroutine(o *ProfileOpts, _ *struct{}) error {
+// GoroutineProfile is an RPC stub which dumps out the stack trace for all
+// running goroutines.
+func (p *Profile) GoroutineProfile(o *ProfileOpts, _ *struct{}) error {
if len(o.FilePayload.Files) < 1 {
return errNoOutput
}
@@ -131,6 +131,34 @@ func (p *Profile) Goroutine(o *ProfileOpts, _ *struct{}) error {
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
+}
+
// StartTrace is an RPC stub which starts collection of an execution trace.
func (p *Profile) StartTrace(o *ProfileOpts, _ *struct{}) error {
if len(o.FilePayload.Files) < 1 {