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Base: Update and expand profile(1) manpage

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Sam Atkins 2022-11-28 20:49:58 +00:00 • committed by Andreas Kling
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Base/usr/share/man/man1/profile.md
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@ -1,14 +1,18 @@
## Name
profile
profile - Process or system profiler
## Synopsis
```sh
$ profile [-p PID] [-a] [-e] [-d] [-f] [-w] [-c command] [-t event_type]
```**sh
$ profile [-p PID] [-a] [-e] [-d] [-f] [-w] [-t event_type] [COMMAND_TO_PROFILE]
```
## Options:
## Description
`profile` records profiling information that can then be read with `ProfileViewer`.
## Options
* `-p PID`: Target PID
* `-a`: Profile all processes (super-user only), result at /sys/kernel/profile
@ -16,9 +20,25 @@ $ profile [-p PID] [-a] [-e] [-d] [-f] [-w] [-c command] [-t event_type]
* `-d`: Disable
* `-f`: Free the profiling buffer for the associated process(es).
* `-w`: Enable profiling and wait for user input to disable.
* `-c command`: Command
* `-t event_type`: Enable tracking specific event type
Event type can be one of: sample, context_switch, page_fault, syscall, read, kmalloc and kfree.
<!-- Auto-generated through ArgsParser -->
## Examples
```sh
# Enable whole-system profiling
$ profile -ae
# ...then, to stop
$ profile -ad
# Profile a running process, with PID 42
$ profile -p 42
# Profile syscalls made by echo
$ profile -t syscall -- echo "Hello friends!"
```
## See also
* [`Profiler`(1)](help://man/1/Profiler) GUI for viewing profiling data produced by `profile`.