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authorDaniel Bristot de Oliveira <bristot@kernel.org>2022-03-02 20:01:35 +0100
committerSteven Rostedt (Google) <rostedt@goodmis.org>2022-03-15 14:36:50 -0400
commit44f3a37d1d3eb10770c7fec4eb89495d37957a26 (patch)
tree5f642f631069acf1bdf2f91a02364abde47422d5 /Documentation/tools
parent5487b6ce267bbafd399f3642062d974832d3eddc (diff)
downloadlwn-44f3a37d1d3eb10770c7fec4eb89495d37957a26.tar.gz
lwn-44f3a37d1d3eb10770c7fec4eb89495d37957a26.zip
rtla: Add --filter support
Add --filter option. This option enables a trace event filtering of the previous -e sys:event argument. This option is available for all current tools. Link: https://lkml.kernel.org/r/509d70b6348d3e5bcbf1f07ab725ce08d063149a.1646247211.git.bristot@kernel.org Cc: Daniel Bristot de Oliveira <bristot@kernel.org> Cc: Clark Williams <williams@redhat.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> 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.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 e5870b944334..afd45bae821f 100644
--- a/Documentation/tools/rtla/common_options.rst
+++ b/Documentation/tools/rtla/common_options.rst
@@ -18,6 +18,10 @@
Enable an event in the trace (**-t**) session. The argument can be a specific event, e.g., **-e** *sched:sched_switch*, or all events of a system group, e.g., **-e** *sched*. Multiple **-e** are allowed. It is only active when **-t** or **-a** are set.
+**--filter** *<filter>*
+
+ Filter the previous **-e** *sys:event* event with *<filter>*. For further information about event filtering see https://www.kernel.org/doc/html/latest/trace/events.html#event-filtering.
+
**--trigger** *<trigger>*
Enable a trace event trigger to the previous **-e** *sys:event*. For further information about event trigger see https://www.kernel.org/doc/html/latest/trace/events.html#event-triggers.