diff options
Diffstat (limited to 'src/runtime/runtime2.go')
| -rw-r--r-- | src/runtime/runtime2.go | 89 |
1 files changed, 13 insertions, 76 deletions
diff --git a/src/runtime/runtime2.go b/src/runtime/runtime2.go index 42def4a826..e6808ac023 100644 --- a/src/runtime/runtime2.go +++ b/src/runtime/runtime2.go @@ -358,20 +358,20 @@ type g struct { atomicstatus uint32 stackLock uint32 // sigprof/scang lock; TODO: fold in to atomicstatus goid int64 + waitsince int64 // approx time when the g become blocked + waitreason string // if status==Gwaiting schedlink guintptr - waitsince int64 // approx time when the g become blocked - waitreason waitReason // if status==Gwaiting - preempt bool // preemption signal, duplicates stackguard0 = stackpreempt - paniconfault bool // panic (instead of crash) on unexpected fault address - preemptscan bool // preempted g does scan for gc - gcscandone bool // g has scanned stack; protected by _Gscan bit in status - gcscanvalid bool // false at start of gc cycle, true if G has not run since last scan; TODO: remove? - throwsplit bool // must not split stack - raceignore int8 // ignore race detection events - sysblocktraced bool // StartTrace has emitted EvGoInSyscall about this goroutine - sysexitticks int64 // cputicks when syscall has returned (for tracing) - traceseq uint64 // trace event sequencer - tracelastp puintptr // last P emitted an event for this goroutine + preempt bool // preemption signal, duplicates stackguard0 = stackpreempt + paniconfault bool // panic (instead of crash) on unexpected fault address + preemptscan bool // preempted g does scan for gc + gcscandone bool // g has scanned stack; protected by _Gscan bit in status + gcscanvalid bool // false at start of gc cycle, true if G has not run since last scan; TODO: remove? + throwsplit bool // must not split stack + raceignore int8 // ignore race detection events + sysblocktraced bool // StartTrace has emitted EvGoInSyscall about this goroutine + sysexitticks int64 // cputicks when syscall has returned (for tracing) + traceseq uint64 // trace event sequencer + tracelastp puintptr // last P emitted an event for this goroutine lockedm muintptr sig uint32 writebuf []byte @@ -752,69 +752,6 @@ const ( // The maximum number of frames we print for a traceback const _TracebackMaxFrames = 100 -// A waitReason explains why a goroutine has been stopped. -// See gopark. Do not re-use waitReasons, add new ones. -type waitReason uint8 - -const ( - waitReasonZero waitReason = iota // "" - waitReasonGCAssistMarking // "GC assist marking" - waitReasonIOWait // "IO wait" - waitReasonChanReceiveNilChan // "chan receive (nil chan)" - waitReasonChanSendNilChan // "chan send (nil chan)" - waitReasonDumpingHeap // "dumping heap" - waitReasonGarbageCollection // "garbage collection" - waitReasonGarbageCollectionScan // "garbage collection scan" - waitReasonPanicWait // "panicwait" - waitReasonSelect // "select" - waitReasonSelectNoCases // "select (no cases)" - waitReasonGCAssistWait // "GC assist wait" - waitReasonGCSweepWait // "GC sweep wait" - waitReasonChanReceive // "chan receive" - waitReasonChanSend // "chan send" - waitReasonFinalizerWait // "finalizer wait" - waitReasonForceGGIdle // "force gc (idle)" - waitReasonSemacquire // "semacquire" - waitReasonSleep // "sleep" - waitReasonTimerGoroutineIdle // "timer goroutine (idle)" - waitReasonTraceReaderBlocked // "trace reader (blocked)" - waitReasonWaitForGCCycle // "wait for GC cycle" - waitReasonGCWorkerIdle // "GC worker (idle)" -) - -var waitReasonStrings = [...]string{ - waitReasonZero: "", - waitReasonGCAssistMarking: "GC assist marking", - waitReasonIOWait: "IO wait", - waitReasonChanReceiveNilChan: "chan receive (nil chan)", - waitReasonChanSendNilChan: "chan send (nil chan)", - waitReasonDumpingHeap: "dumping heap", - waitReasonGarbageCollection: "garbage collection", - waitReasonGarbageCollectionScan: "garbage collection scan", - waitReasonPanicWait: "panicwait", - waitReasonSelect: "select", - waitReasonSelectNoCases: "select (no cases)", - waitReasonGCAssistWait: "GC assist wait", - waitReasonGCSweepWait: "GC sweep wait", - waitReasonChanReceive: "chan receive", - waitReasonChanSend: "chan send", - waitReasonFinalizerWait: "finalizer wait", - waitReasonForceGGIdle: "force gc (idle)", - waitReasonSemacquire: "semacquire", - waitReasonSleep: "sleep", - waitReasonTimerGoroutineIdle: "timer goroutine (idle)", - waitReasonTraceReaderBlocked: "trace reader (blocked)", - waitReasonWaitForGCCycle: "wait for GC cycle", - waitReasonGCWorkerIdle: "GC worker (idle)", -} - -func (w waitReason) String() string { - if w < 0 || w >= waitReason(len(waitReasonStrings)) { - return "unknown wait reason" - } - return waitReasonStrings[w] -} - var ( allglen uintptr allm *m |