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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-04-28 16:11:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-04-28 16:11:26 -0700 |
| commit | 5ea8abf589f2974d65460a1ffa0c303763e958da (patch) | |
| tree | 22ce6d8221680c3cd28e8fa6185d40c00ed5d36f /Documentation | |
| parent | d579c468d7ad6e37f5b4290b0244a9a5a7d3c4bf (diff) | |
| parent | 82253a271aae9271fcf0aaa5e0ecc6dd38fb872b (diff) | |
| download | lwn-5ea8abf589f2974d65460a1ffa0c303763e958da.tar.gz lwn-5ea8abf589f2974d65460a1ffa0c303763e958da.zip | |
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.rst | 7 |
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. |