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| author | Daniel Bristot de Oliveira <bristot@kernel.org> | 2023-06-06 18:12:16 +0200 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2023-06-13 16:26:03 -0400 |
| commit | 272ced2556e63943113a54c113f8c11aeb53a5c3 (patch) | |
| tree | 8500d7461984c1227f3ebd9e89329cd4e21d9883 /Documentation/tools | |
| parent | a957cbc02531a23beeac6dd9e751f8d4dadaf7a9 (diff) | |
| download | lwn-272ced2556e63943113a54c113f8c11aeb53a5c3.tar.gz lwn-272ced2556e63943113a54c113f8c11aeb53a5c3.zip | |
rtla: Add --house-keeping option
To avoid having rtla interfering with the measurement threads, add an
option for the user to set the CPUs in which rtla should run. For
instance:
# rtla timerlat top -H 0 -c 1-7
Will place rtla in the CPU 0, while running the measurement threads in
the CPU 1-7.
Link: https://lkml.kernel.org/r/6a6c78a579a96ba8b02ae67ee1e0ba2cb5e03c4a.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>
Suggested-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')
| -rw-r--r-- | Documentation/tools/rtla/common_options.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/tools/rtla/common_options.rst b/Documentation/tools/rtla/common_options.rst index ede07359d93c..aeb91ff3bd68 100644 --- a/Documentation/tools/rtla/common_options.rst +++ b/Documentation/tools/rtla/common_options.rst @@ -2,6 +2,10 @@ Set the osnoise tracer to run the sample threads in the cpu-list. +**-H**, **--house-keeping** *cpu-list* + + Run rtla control threads only on the given cpu-list. + **-d**, **--duration** *time[s|m|h|d]* Set the duration of the session. |