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rtla/osnoise: set the default threshold to 1us

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Change the default threshold for osnoise to 1us, so that any noise
equal or above this value is recorded. Let the user set a higher
threshold if necessary.

Link: https://lore.kernel.org/linux-trace-kernel/Zmb-QhiiiI6jM9To@uudg.org

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Suggested-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Reviewed-by: Clark Williams <williams@redhat.com>
Signed-off-by: Luis Claudio R. Goncalves <lgoncalv@redhat.com>
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Luis Claudio R. Goncalves
2024-06-10 10:23:14 -03:00
committed by Steven Rostedt (Google)
parent 22b639253e
commit c40583e19e
2 changed files with 3 additions and 3 deletions
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kernel/trace/trace_osnoise.c
+2 -2
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@@ -1444,9 +1444,9 @@ static int run_osnoise(void)
save_osn_sample_stats(osn_var, &s);
/*
* if threshold is 0, use the default value of 5 us.
* if threshold is 0, use the default value of 1 us.
*/
threshold = tracing_thresh ? : 5000;
threshold = tracing_thresh ? : 1000;
/*
* Apply PREEMPT and IRQ disabled options.