diff options
Diffstat (limited to 'src/runtime/runtime2.go')
| -rw-r--r-- | src/runtime/runtime2.go | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/runtime/runtime2.go b/src/runtime/runtime2.go index 1d36126a03..284f9d395d 100644 --- a/src/runtime/runtime2.go +++ b/src/runtime/runtime2.go @@ -468,7 +468,7 @@ type g struct { sysblocktraced bool // StartTrace has emitted EvGoInSyscall about this goroutine tracking bool // whether we're tracking this G for sched latency statistics trackingSeq uint8 // used to decide whether to track this G - runnableStamp int64 // timestamp of when the G last became runnable, only used when tracking + trackingStamp int64 // timestamp of when the G last started being tracked runnableTime int64 // the amount of time spent runnable, cleared when running, only used when tracking sysexitticks int64 // cputicks when syscall has returned (for tracing) traceseq uint64 // trace event sequencer @@ -843,6 +843,10 @@ type schedt struct { // // Reset on each GC cycle. idleTime atomic.Int64 + + // totalMutexWaitTime is the sum of time goroutines have spent in _Gwaiting + // with a waitreason of the form waitReasonSync{RW,}Mutex{R,}Lock. + totalMutexWaitTime atomic.Int64 } // Values for the flags field of a sigTabT. @@ -1109,6 +1113,12 @@ func (w waitReason) String() string { return waitReasonStrings[w] } +func (w waitReason) isMutexWait() bool { + return w == waitReasonSyncMutexLock || + w == waitReasonSyncRWMutexRLock || + w == waitReasonSyncRWMutexLock +} + var ( allm *m gomaxprocs int32 |