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enhance: support specific duration for profile collection

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The default duration of cpu profile collection in net/http/pprof is 30
seconds. User should have chance to set the specific duration for the
collection.

Signed-off-by: Wei Fu <fuweid89@gmail.com>
This commit is contained in:
Wei Fu 2018-10-10 22:49:50 +08:00
parent ac01f20a8e
commit a2a23d91ca
1 changed files with 9 additions and 1 deletions
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10
cmd/ctr/commands/pprof/pprof.go
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@ -89,10 +89,18 @@ var pprofHeapCommand = cli.Command{
var pprofProfileCommand = cli.Command{ var pprofProfileCommand = cli.Command{
Name: "profile", Name: "profile",
Usage: "CPU profile", Usage: "CPU profile",
Flags: []cli.Flag{
cli.DurationFlag{
Name: "seconds,s",
Usage: "duration for collection (seconds)",
Value: 30 * time.Second,
},
},
Action: func(context *cli.Context) error { Action: func(context *cli.Context) error {
client := getPProfClient(context) client := getPProfClient(context)
output, err := httpGetRequest(client, "/debug/pprof/profile") seconds := context.Duration("seconds").Seconds()
output, err := httpGetRequest(client, fmt.Sprintf("/debug/pprof/profile?seconds=%v", seconds))
if err != nil { if err != nil {
return err return err
} }