Revert "runtime: convert g.waitreason from string to uint8"

This reverts commit 4eea887fd4.

Reason for revert: broke s390x build

Change-Id: Id6c2b6a7319273c4d21f613d4cdd38b00d49f847
Reviewed-on: https://go-review.googlesource.com/100375
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
This commit is contained in:
Josh Bleecher Snyder 2018-03-13 15:20:33 +00:00
parent 911839c1f4
commit 6cb064c9c4
15 changed files with 47 additions and 114 deletions

View file

@ -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