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Update the docs around profiling

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Mention sysprof-cli, and stop mentioning GTK_TRACE_FD.
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Matthias Clasen 2020-08-20 17:46:53 -04:00
parent d4e069a629
commit 40f3da19ae
1 changed files with 4 additions and 8 deletions
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docs/reference/gtk/running.md
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@ -335,17 +335,13 @@ GSettings schema.
## Profiling {#profiling}
GTK supports profiling with sysprof. It exports timing information
about frameclock phases and various characteristics of GskRenders
about frameclock phases and various characteristics of GskRenderers
in a format that can be displayed by sysprof or GNOME Builder.
A simple way to capture data is to set the `GTK_TRACE` environment
variable. When it is set, GTK will write profiling data to a file
called `gtk.PID.syscap`.
A simple way to capture data is to run your application under the
`sysprof-cli` wrapper, which will write profiling data to a file
called `capture.syscap`.
When launching the application from sysprof, it will set the
`SYSPROF_TRACE_FD` environment variable to point GTK at a file
descriptor to write profiling data to.
When GtkApplication registers with D-Bus, it exports the
`org.gnome.Sysprof2.Profiler` D-Bus interface that lets sysprof
request profiling data at runtime.