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authorDaniel Bristot de Oliveira <bristot@kernel.org>2023-06-06 18:12:15 +0200
committerSteven Rostedt (Google) <rostedt@goodmis.org>2023-06-13 16:25:13 -0400
commita957cbc02531a23beeac6dd9e751f8d4dadaf7a9 (patch)
treea024ff87a3f3763741e944081403fbefa6e24821 /Documentation/tools/rtla
parent9561de3a55bed6bdd44a12820ba81ec416e705a7 (diff)
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rtla: Add -C cgroup support
The -C option sets a cgroup to the tracer's threads. If the -C option is passed without arguments, the tracer's thread will inherit rtla's cgroup. Otherwise, the threads will be placed on the cgroup passed to the option. Link: https://lkml.kernel.org/r/cb051477331d292f17c08bf1d66f0e0384bbe5a5.1686066600.git.bristot@kernel.org Cc: William White <chwhite@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> Tested-by: Juri Lelli <juri.lelli@redhat.com> Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'Documentation/tools/rtla')
-rw-r--r--Documentation/tools/rtla/common_options.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/tools/rtla/common_options.rst b/Documentation/tools/rtla/common_options.rst
index af76df6205d4..ede07359d93c 100644
--- a/Documentation/tools/rtla/common_options.rst
+++ b/Documentation/tools/rtla/common_options.rst
@@ -42,6 +42,10 @@
- *f:prio* - use SCHED_FIFO with *prio*;
- *d:runtime[us|ms|s]:period[us|ms|s]* - use SCHED_DEADLINE with *runtime* and *period* in nanoseconds.
+**-C**, **--cgroup**\[*=cgroup*]
+
+ Set a *cgroup* to the tracer's threads. If the **-C** option is passed without arguments, the tracer's thread will inherit **rtla**'s *cgroup*. Otherwise, the threads will be placed on the *cgroup* passed to the option.
+
**-h**, **--help**
Print help menu.