mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-05-15 07:32:52 +00:00
66a68a9523
We do not want to move POSIX utilities into subsections since they have standard names, but we can do whatever we want with Applications :^). This is particularly advantageous as many applications contain several images, which declutters the man1 directory.
1 KiB
1 KiB
Name
profile - Process or system profiler
Synopsis
$ profile [-p PID] [-a] [-e] [-d] [-f] [-w] [-t event_type] [COMMAND_TO_PROFILE]
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-e: Enable-d: Disable-f: Free the profiling buffer for the associated process(es).-w: Enable profiling and wait for user input to disable.-t event_type: Enable tracking specific event type
Event type can be one of: sample, context_switch, page_fault, syscall, read, kmalloc and kfree.
Examples
# 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) GUI for viewing profiling data produced byprofile.