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-rw-r--r--src/cmd/pprof/testdata/cpu.go41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/cmd/pprof/testdata/cpu.go b/src/cmd/pprof/testdata/cpu.go
new file mode 100644
index 0000000..5b68287
--- /dev/null
+++ b/src/cmd/pprof/testdata/cpu.go
@@ -0,0 +1,41 @@
+// Copyright 2021 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.
+
+package main
+
+import (
+ "flag"
+ "fmt"
+ "os"
+ "runtime/pprof"
+ "time"
+)
+
+var output = flag.String("output", "", "pprof profile output file")
+
+func main() {
+ flag.Parse()
+ if *output == "" {
+ fmt.Fprintf(os.Stderr, "usage: %s -output file.pprof\n", os.Args[0])
+ os.Exit(2)
+ }
+
+ f, err := os.Create(*output)
+ if err != nil {
+ fmt.Fprintln(os.Stderr, err)
+ os.Exit(2)
+ }
+ defer f.Close()
+
+ if err := pprof.StartCPUProfile(f); err != nil {
+ fmt.Fprintln(os.Stderr, err)
+ os.Exit(2)
+ }
+ defer pprof.StopCPUProfile()
+
+ // Spin for long enough to collect some samples.
+ start := time.Now()
+ for time.Since(start) < time.Second {
+ }
+}