Xie XiuQi
81ec384b80
rtla: fix a example in rtla-timerlat-hist.rst
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The following error message is reported when running the example in document.
# timerlat hist -d 10m -c 0-4 -P d:100us:1ms -p 1ms --no-aa
Failed to set timerlat period
Could not apply config
The unit of the period is microsecond, '1ms' cannot be accepted.
usage: [rtla] timerlat hist [-h] [-q] [-d s] [-D] [-n] [-a us] [-p us] [-i us] [-T us] [-s us] ...
...
-p/--period us: timerlat period in us
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Also fix another minor missleading comment.
Link: https://lore.kernel.org/lkml/20230919133028.697144-1-xiexiuqi@huaweicloud.com
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com >
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org >
2023-09-22 14:44:04 +02:00
Daniel Bristot de Oliveira
2091336b9a
rtla/timerlat_hist: Add auto-analysis support
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Add auto-analysis to timerlat hist, including the --no-aa option to
reduce overhead and --dump-task. --aa-only was not added as it is
already on timerlat top.
Link: https://lkml.kernel.org/r/c2693f47ee83e659a7723fed8035f5d2534f528e.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 >
2023-06-13 16:35:46 -04:00
Alexandre Vicenzi
f1432cd24c
rtla: Fix tracer name
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The correct tracer name is timerlat and not timelat.
Link: https://lore.kernel.org/linux-trace-devel/20220808180343.22262-1-alexandre.vicenzi@suse.com
Signed-off-by: Alexandre Vicenzi <alexandre.vicenzi@suse.com >
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org >
2022-08-10 11:43:59 -04:00
Daniel Bristot de Oliveira
5dce5904e3
rtla: Add rtla timerlat hist documentation
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Man page for rtla timerlat hist mode.
Link: https://lkml.kernel.org/r/4a184003fdb81e23be3fe5ec882b1c89d5a95458.1639158831.git.bristot@kernel.org
Cc: Tao Zhou <tao.zhou@linux.dev >
Cc: Ingo Molnar <mingo@redhat.com >
Cc: Tom Zanussi <zanussi@kernel.org >
Cc: Masami Hiramatsu <mhiramat@kernel.org >
Cc: Juri Lelli <juri.lelli@redhat.com >
Cc: Clark Williams <williams@redhat.com >
Cc: John Kacur <jkacur@redhat.com >
Cc: Peter Zijlstra <peterz@infradead.org >
Cc: Thomas Gleixner <tglx@linutronix.de >
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de >
Cc: Daniel Bristot de Oliveira <bristot@kernel.org >
Cc: linux-rt-users@vger.kernel.org
Cc: linux-trace-devel@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org >
Signed-off-by: Steven Rostedt <rostedt@goodmis.org >
2022-01-13 17:02:44 -05:00
