diff options
Diffstat (limited to 'src/runtime/pprof')
| -rw-r--r-- | src/runtime/pprof/pprof.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/runtime/pprof/pprof.go b/src/runtime/pprof/pprof.go index 43ef66f0b0..be17e59875 100644 --- a/src/runtime/pprof/pprof.go +++ b/src/runtime/pprof/pprof.go @@ -166,6 +166,12 @@ import ( // holds a lock for 1s while 5 other goroutines are waiting for the entire // second to acquire the lock, its unlock call stack will report 5s of // contention. +// +// Runtime-internal locks are always reported at the location +// "runtime._LostContendedRuntimeLock". More detailed stack traces for +// runtime-internal locks can be obtained by setting +// `GODEBUG=runtimecontentionstacks=1` (see package [runtime] docs for +// caveats). type Profile struct { name string mu sync.Mutex |