Merge pull request #3418 from vrothberg/go-modules

update dependencies

1 files changed, 22 insertions, 3 deletions

diff --git a/vendor/github.com/pkg/profile/profile.go b/vendor/github.com/pkg/profile/profile.go
index c44913a4c..20e285427 100644
--- a/vendor/github.com/pkg/profile/profile.go
+++ b/vendor/github.com/pkg/profile/profile.go
@@ -19,6 +19,7 @@ const (
 	mutexMode
 	blockMode
 	traceMode
+	threadCreateMode
 )
 
 // Profile represents an active profiling session.
@@ -83,17 +84,20 @@ func MemProfileRate(rate int) func(*Profile) {
 
 // MutexProfile enables mutex profiling.
 // It disables any previous profiling settings.
-//
-// Mutex profiling is a no-op before go1.8.
 func MutexProfile(p *Profile) { p.mode = mutexMode }
 
 // BlockProfile enables block (contention) profiling.
 // It disables any previous profiling settings.
 func BlockProfile(p *Profile) { p.mode = blockMode }
 
-// Trace profile controls if execution tracing will be enabled. It disables any previous profiling settings.
+// Trace profile enables execution tracing.
+// It disables any previous profiling settings.
 func TraceProfile(p *Profile) { p.mode = traceMode }
 
+// ThreadcreationProfile enables thread creation profiling..
+// It disables any previous profiling settings.
+func ThreadcreationProfile(p *Profile) { p.mode = threadCreateMode }
+
 // ProfilePath controls the base path where various profiling
 // files are written. If blank, the base path will be generated
 // by ioutil.TempDir.
@@ -211,6 +215,21 @@ func Start(options ...func(*Profile)) interface {
 			logf("profile: block profiling disabled, %s", fn)
 		}
 
+	case threadCreateMode:
+		fn := filepath.Join(path, "threadcreation.pprof")
+		f, err := os.Create(fn)
+		if err != nil {
+			log.Fatalf("profile: could not create thread creation profile %q: %v", fn, err)
+		}
+		logf("profile: thread creation profiling enabled, %s", fn)
+		prof.closer = func() {
+			if mp := pprof.Lookup("threadcreate"); mp != nil {
+				mp.WriteTo(f, 0)
+			}
+			f.Close()
+			logf("profile: thread creation profiling disabled, %s", fn)
+		}
+
 	case traceMode:
 		fn := filepath.Join(path, "trace.out")
 		f, err := os.Create(fn)