blob: 75bb0332bf5b32334619e966b7a4bf96b8c062de [file] [log] [blame]
// Copyright 2023 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
// Tests syscall P stealing at a generation boundary.
package main
import (
"golang.org/x/exp/trace"
"golang.org/x/exp/trace/internal/event/go122"
testgen "golang.org/x/exp/trace/internal/testgen/go122"
)
func main() {
testgen.Main(gen)
}
func gen(t *testgen.Trace) {
g := t.Generation(1)
// One goroutine is exiting with a syscall. It already
// acquired a new P.
b0 := g.Batch(trace.ThreadID(0), 0)
b0.Event("GoStatus", trace.GoID(1), trace.ThreadID(0), go122.GoSyscall)
b0.Event("ProcStatus", trace.ProcID(1), go122.ProcIdle)
b0.Event("ProcStart", trace.ProcID(1), testgen.Seq(1))
b0.Event("GoSyscallEndBlocked")
// A bare M stole the goroutine's P at the generation boundary.
b1 := g.Batch(trace.ThreadID(1), 0)
b1.Event("ProcStatus", trace.ProcID(0), go122.ProcSyscallAbandoned)
b1.Event("ProcSteal", trace.ProcID(0), testgen.Seq(1), trace.ThreadID(0))
}