adding mutex and contention profile gathering (kubernetes-sigs#1448)

kfswain · web-flow · commit 9f2aa5ad0c7e · 2025-08-25T12:25:06.000-07:00
diff --git a/cmd/epp/runner/runner.go b/cmd/epp/runner/runner.go
@@ -25,6 +25,7 @@ import (
 	"net/http"
 	"net/http/pprof"
 	"os"
+	"runtime"
 	"sync/atomic"
 
 	"github.com/go-logr/logr"
@@ -228,6 +229,8 @@ func (r *Runner) Run(ctx context.Context) error {
 			setupLog.Error(err, "Failed to setup pprof handlers")
 			return err
 		}
+		runtime.SetMutexProfileFraction(1)
+		runtime.SetBlockProfileRate(1)
 	}
 
 	err = r.parsePluginsConfiguration(ctx)

Original file line number	Diff line number	Diff line change
`@@ -25,6 +25,7 @@ import (`
`25`	`25`	`"net/http"`
`26`	`26`	`"net/http/pprof"`
`27`	`27`	`"os"`
	`28`	`+ "runtime"`
`28`	`29`	`"sync/atomic"`
`29`	`30`
`30`	`31`	`"github.com/go-logr/logr"`
`@@ -228,6 +229,8 @@ func (r *Runner) Run(ctx context.Context) error {`
`228`	`229`	`setupLog.Error(err, "Failed to setup pprof handlers")`
`229`	`230`	`return err`
`230`	`231`	`}`
	`232`	`+ runtime.SetMutexProfileFraction(1)`
	`233`	`+ runtime.SetBlockProfileRate(1)`
`231`	`234`	`}`
`232`	`235`
`233`	`236`	`err = r.parsePluginsConfiguration(ctx)`