exp/trace/parser.go

84 строки
4.8 KiB
Go

// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Code generated by "gen.bash" from internal/trace; DO NOT EDIT.
//go:build go1.21
package trace
// Frame is a frame in stack traces.
type Frame struct {
PC uint64
Fn string
File string
Line int
}
const (
// Special P identifiers:
FakeP = 1000000 + iota
TimerP // depicts timer unblocks
NetpollP // depicts network unblocks
SyscallP // depicts returns from syscalls
GCP // depicts GC state
ProfileP // depicts recording of CPU profile samples
)
// Event types in the trace.
// Verbatim copy from src/runtime/trace.go with the "trace" prefix removed.
const (
EvNone = 0 // unused
EvBatch = 1 // start of per-P batch of events [pid, timestamp]
EvFrequency = 2 // contains tracer timer frequency [frequency (ticks per second)]
EvStack = 3 // stack [stack id, number of PCs, array of {PC, func string ID, file string ID, line}]
EvGomaxprocs = 4 // current value of GOMAXPROCS [timestamp, GOMAXPROCS, stack id]
EvProcStart = 5 // start of P [timestamp, thread id]
EvProcStop = 6 // stop of P [timestamp]
EvGCStart = 7 // GC start [timestamp, seq, stack id]
EvGCDone = 8 // GC done [timestamp]
EvSTWStart = 9 // GC mark termination start [timestamp, kind]
EvSTWDone = 10 // GC mark termination done [timestamp]
EvGCSweepStart = 11 // GC sweep start [timestamp, stack id]
EvGCSweepDone = 12 // GC sweep done [timestamp, swept, reclaimed]
EvGoCreate = 13 // goroutine creation [timestamp, new goroutine id, new stack id, stack id]
EvGoStart = 14 // goroutine starts running [timestamp, goroutine id, seq]
EvGoEnd = 15 // goroutine ends [timestamp]
EvGoStop = 16 // goroutine stops (like in select{}) [timestamp, stack]
EvGoSched = 17 // goroutine calls Gosched [timestamp, stack]
EvGoPreempt = 18 // goroutine is preempted [timestamp, stack]
EvGoSleep = 19 // goroutine calls Sleep [timestamp, stack]
EvGoBlock = 20 // goroutine blocks [timestamp, stack]
EvGoUnblock = 21 // goroutine is unblocked [timestamp, goroutine id, seq, stack]
EvGoBlockSend = 22 // goroutine blocks on chan send [timestamp, stack]
EvGoBlockRecv = 23 // goroutine blocks on chan recv [timestamp, stack]
EvGoBlockSelect = 24 // goroutine blocks on select [timestamp, stack]
EvGoBlockSync = 25 // goroutine blocks on Mutex/RWMutex [timestamp, stack]
EvGoBlockCond = 26 // goroutine blocks on Cond [timestamp, stack]
EvGoBlockNet = 27 // goroutine blocks on network [timestamp, stack]
EvGoSysCall = 28 // syscall enter [timestamp, stack]
EvGoSysExit = 29 // syscall exit [timestamp, goroutine id, seq, real timestamp]
EvGoSysBlock = 30 // syscall blocks [timestamp]
EvGoWaiting = 31 // denotes that goroutine is blocked when tracing starts [timestamp, goroutine id]
EvGoInSyscall = 32 // denotes that goroutine is in syscall when tracing starts [timestamp, goroutine id]
EvHeapAlloc = 33 // gcController.heapLive change [timestamp, heap live bytes]
EvHeapGoal = 34 // gcController.heapGoal change [timestamp, heap goal bytes]
EvTimerGoroutine = 35 // denotes timer goroutine [timer goroutine id]
EvFutileWakeup = 36 // denotes that the previous wakeup of this goroutine was futile [timestamp]
EvString = 37 // string dictionary entry [ID, length, string]
EvGoStartLocal = 38 // goroutine starts running on the same P as the last event [timestamp, goroutine id]
EvGoUnblockLocal = 39 // goroutine is unblocked on the same P as the last event [timestamp, goroutine id, stack]
EvGoSysExitLocal = 40 // syscall exit on the same P as the last event [timestamp, goroutine id, real timestamp]
EvGoStartLabel = 41 // goroutine starts running with label [timestamp, goroutine id, seq, label string id]
EvGoBlockGC = 42 // goroutine blocks on GC assist [timestamp, stack]
EvGCMarkAssistStart = 43 // GC mark assist start [timestamp, stack]
EvGCMarkAssistDone = 44 // GC mark assist done [timestamp]
EvUserTaskCreate = 45 // trace.NewTask [timestamp, internal task id, internal parent id, name string, stack]
EvUserTaskEnd = 46 // end of task [timestamp, internal task id, stack]
EvUserRegion = 47 // trace.WithRegion [timestamp, internal task id, mode(0:start, 1:end), name string, stack]
EvUserLog = 48 // trace.Log [timestamp, internal id, key string id, stack, value string]
EvCPUSample = 49 // CPU profiling sample [timestamp, real timestamp, real P id (-1 when absent), goroutine id, stack]
EvCount = 50
)