// 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/v2; DO NOT EDIT. //go:build go1.21 // Tests syscall P stealing. // // Specifically, it tests a scenario where a thread 'steals' // a P from itself. It's just a ProcStop with extra steps when // it happens on the same P. 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) { t.DisableTimestamps() g := t.Generation(1) // A goroutine execute a syscall and steals its own P, then starts running // on that P. b0 := g.Batch(trace.ThreadID(0), 0) b0.Event("ProcStatus", trace.ProcID(0), go122.ProcRunning) b0.Event("GoStatus", trace.GoID(1), trace.ThreadID(0), go122.GoRunning) b0.Event("GoSyscallBegin", testgen.Seq(1), testgen.NoStack) b0.Event("ProcSteal", trace.ProcID(0), testgen.Seq(2), trace.ThreadID(0)) b0.Event("ProcStart", trace.ProcID(0), testgen.Seq(3)) b0.Event("GoSyscallEndBlocked") }