mirror of https://github.com/restic/restic.git
59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
package profile_test
|
|
|
|
import (
|
|
"flag"
|
|
"os"
|
|
|
|
"github.com/pkg/profile"
|
|
)
|
|
|
|
func ExampleStart() {
|
|
// start a simple CPU profile and register
|
|
// a defer to Stop (flush) the profiling data.
|
|
defer profile.Start().Stop()
|
|
}
|
|
|
|
func ExampleCPUProfile() {
|
|
// CPU profiling is the default profiling mode, but you can specify it
|
|
// explicitly for completeness.
|
|
defer profile.Start(profile.CPUProfile).Stop()
|
|
}
|
|
|
|
func ExampleMemProfile() {
|
|
// use memory profiling, rather than the default cpu profiling.
|
|
defer profile.Start(profile.MemProfile).Stop()
|
|
}
|
|
|
|
func ExampleMemProfileRate() {
|
|
// use memory profiling with custom rate.
|
|
defer profile.Start(profile.MemProfileRate(2048)).Stop()
|
|
}
|
|
|
|
func ExampleProfilePath() {
|
|
// set the location that the profile will be written to
|
|
defer profile.Start(profile.ProfilePath(os.Getenv("HOME"))).Stop()
|
|
}
|
|
|
|
func ExampleNoShutdownHook() {
|
|
// disable the automatic shutdown hook.
|
|
defer profile.Start(profile.NoShutdownHook).Stop()
|
|
}
|
|
|
|
func ExampleStart_withFlags() {
|
|
// use the flags package to selectively enable profiling.
|
|
mode := flag.String("profile.mode", "", "enable profiling mode, one of [cpu, mem, mutex, block]")
|
|
flag.Parse()
|
|
switch *mode {
|
|
case "cpu":
|
|
defer profile.Start(profile.CPUProfile).Stop()
|
|
case "mem":
|
|
defer profile.Start(profile.MemProfile).Stop()
|
|
case "mutex":
|
|
defer profile.Start(profile.MutexProfile).Stop()
|
|
case "block":
|
|
defer profile.Start(profile.BlockProfile).Stop()
|
|
default:
|
|
// do nothing
|
|
}
|
|
}
|