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| author | Neil Alexander <neilalexander@users.noreply.github.com> | 2020-12-03 13:49:34 +0000 |
|---|---|---|
| committer | Neil Alexander <neilalexander@users.noreply.github.com> | 2020-12-03 13:49:34 +0000 |
| commit | 52905ffb82409fca9665ada0c8da40e05b58b8be (patch) | |
| tree | deccd5ef9c08fce8f62f4e31bae02507df336a4f /docs | |
| parent | 253b05ccde45730a9149626c3af4ee97e8517d9f (diff) | |
Update PROFILING.md
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/PROFILING.md | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/docs/PROFILING.md b/docs/PROFILING.md index 136a757b..b026a8ae 100644 --- a/docs/PROFILING.md +++ b/docs/PROFILING.md @@ -31,6 +31,8 @@ http://localhost:65432/debug/pprof/profile?seconds=30 The profile will run for the specified number of `seconds` and then will produce a result. +### Examine a profile using the Go toolchain + If you have Go installed and want to explore the profile, you can invoke `go tool pprof` to start the profile directly. The `-http=` parameter will instruct `go tool pprof` to start a web server providing a view of the captured profile: ``` @@ -39,6 +41,8 @@ go tool pprof -http=localhost:23456 http://localhost:65432/debug/pprof/profile?s You can then visit `http://localhost:23456` in your web browser to see a visual representation of the profile. Particularly usefully, in the "View" menu, you can select "Flame Graph" to see a proportional interactive graph of CPU usage. +### Download a profile to send to someone else + If you don't have the Go tools installed but just want to capture the profile to send to someone else, you can instead use `curl` to download the profiler results: ``` @@ -57,6 +61,8 @@ http://localhost:65432/debug/pprof/heap The profile will return almost instantly. +### Examine a profile using the Go toolchain + If you have Go installed and want to explore the profile, you can invoke `go tool pprof` to start the profile directly. The `-http=` parameter will instruct `go tool pprof` to start a web server providing a view of the captured profile: ``` @@ -72,6 +78,8 @@ You can then visit `http://localhost:23456` in your web browser to see a visual Also in the "View" menu, you can select "Flame Graph" to see a proportional interactive graph of the memory usage. +### Download a profile to send to someone else + If you don't have the Go tools installed but just want to capture the profile to send to someone else, you can instead use `curl` to download the profiler results: ``` |