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authorLinus Torvalds <torvalds@linux-foundation.org>2023-04-29 02:11:26 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2023-04-29 02:11:26 +0300
commit5ea8abf589f2974d65460a1ffa0c303763e958da (patch)
tree22ce6d8221680c3cd28e8fa6185d40c00ed5d36f /Documentation
parentd579c468d7ad6e37f5b4290b0244a9a5a7d3c4bf (diff)
parent82253a271aae9271fcf0aaa5e0ecc6dd38fb872b (diff)
downloadlinux-5ea8abf589f2974d65460a1ffa0c303763e958da.tar.xz
Merge tag 'trace-tools-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing tools updates from Steven Rostedt: - Add auto-analysis only option to rtla/timerlat Add an --aa-only option to the tooling to perform only the auto analysis and not to parse and format the data. - Other minor fixes and clean ups * tag 'trace-tools-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: rtla/timerlat: Fix "Previous IRQ" auto analysis' line rtla/timerlat: Add auto-analysis only option rv: Remove redundant assignment to variable retval rv: Fix addition on an uninitialized variable 'run' rtla: Add .gitignore file
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/tools/rtla/common_timerlat_aa.rst7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/tools/rtla/common_timerlat_aa.rst b/Documentation/tools/rtla/common_timerlat_aa.rst
index 077029e6b289..795b9fbcbc6d 100644
--- a/Documentation/tools/rtla/common_timerlat_aa.rst
+++ b/Documentation/tools/rtla/common_timerlat_aa.rst
@@ -5,3 +5,10 @@
**--no-aa**
disable auto-analysis, reducing rtla timerlat cpu usage
+
+**--aa-only** *us*
+
+ Set stop tracing conditions and run without collecting and displaying statistics.
+ Print the auto-analysis if the system hits the stop tracing condition. This option
+ is useful to reduce rtla timerlat CPU, enabling the debug without the overhead of
+ collecting the statistics.