diff options
Diffstat (limited to 'src/runtime/runtime2.go')
| -rw-r--r-- | src/runtime/runtime2.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/runtime/runtime2.go b/src/runtime/runtime2.go index e64c3c5695..6bdd66766d 100644 --- a/src/runtime/runtime2.go +++ b/src/runtime/runtime2.go @@ -593,6 +593,8 @@ type m struct { lockedInt uint32 // tracking for internal lockOSThread nextwaitm muintptr // next m waiting for lock + mLockProfile mLockProfile // fields relating to runtime.lock contention + // wait* are used to carry arguments from gopark into park_m, because // there's no stack to put them on. That is their sole purpose. waitunlockf func(*g, unsafe.Pointer) bool @@ -900,6 +902,12 @@ type schedt struct { // stwTotalTimeOther covers the others. stwTotalTimeGC timeHistogram stwTotalTimeOther timeHistogram + + // totalRuntimeLockWaitTime (plus the value of lockWaitTime on each M in + // allm) is the sum of time goroutines have spent in _Grunnable and with an + // M, but waiting for locks within the runtime. This field stores the value + // for Ms that have exited. + totalRuntimeLockWaitTime atomic.Int64 } // Values for the flags field of a sigTabT. |