From 162e6e6ff25f0d9225a26369be9faa6c244918e3 Mon Sep 17 00:00:00 2001 From: Daniel Bristot de Oliveira Date: Wed, 29 Mar 2023 17:50:15 +0200 Subject: [PATCH] tracing/timerlat: Notify new max thread latency commit b9f451a9029a16eb7913ace09b92493d00f2e564 upstream. timerlat is not reporting a new tracing_max_latency for the thread latency. The reason is that it is not calling notify_new_max_latency() function after the new thread latency is sampled. Call notify_new_max_latency() after computing the thread latency. Link: https://lkml.kernel.org/r/16e18d61d69073d0192ace07bf61e405cca96e9c.1680104184.git.bristot@kernel.org Cc: stable@vger.kernel.org Fixes: dae181349f1e ("tracing/osnoise: Support a list of trace_array *tr") Signed-off-by: Daniel Bristot de Oliveira Signed-off-by: Steven Rostedt (Google) Signed-off-by: Greg Kroah-Hartman --- kernel/trace/trace_osnoise.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c index 1c07efcb3d46..3b0c0bd63605 100644 --- a/kernel/trace/trace_osnoise.c +++ b/kernel/trace/trace_osnoise.c @@ -1681,6 +1681,8 @@ static int timerlat_main(void *data) trace_timerlat_sample(&s); + notify_new_max_latency(diff); + timerlat_dump_stack(time_to_us(diff)); tlat->tracing_thread = false;