From: Namhyung Kim <namhyung@kernel.org>
To: Yang Jihong <yangjihong@bytedance.com>
Cc: peterz@infradead.org, mingo@redhat.com, acme@kernel.org,
mark.rutland@arm.com, alexander.shishkin@linux.intel.com,
jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com,
kan.liang@linux.intel.com, james.clark@arm.com,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] perf sched timehist: Remove BUG_ON in timehist_sched_change_event()
Date: Mon, 12 Aug 2024 12:04:03 -0700 [thread overview]
Message-ID: <Zrpco5rOa9n7S5RN@google.com> (raw)
In-Reply-To: <20240812132606.3126490-2-yangjihong@bytedance.com>
On Mon, Aug 12, 2024 at 09:26:06PM +0800, Yang Jihong wrote:
> The BUG_ON(thread__tid(thread) != 0) in timehist_sched_change_event()
> is redundant, remove it.
> No functional change.
>
> Fixes: 07235f84ece6 ("perf sched timehist: Add -I/--idle-hist option")
> Signed-off-by: Yang Jihong <yangjihong@bytedance.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Thanks,
Namhyung
> ---
> tools/perf/builtin-sched.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
> index 177634df1ba5..309dcfb3796d 100644
> --- a/tools/perf/builtin-sched.c
> +++ b/tools/perf/builtin-sched.c
> @@ -2700,8 +2700,6 @@ static int timehist_sched_change_event(struct perf_tool *tool,
> struct idle_thread_runtime *itr = (void *)tr;
> struct thread_runtime *last_tr;
>
> - BUG_ON(thread__tid(thread) != 0);
> -
> if (itr->last_thread == NULL)
> goto out;
>
> --
> 2.25.1
>
next prev parent reply other threads:[~2024-08-12 19:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-12 13:26 [PATCH v2 1/2] perf sched timehist: Skip print non-idle task samples when only show idle events Yang Jihong
2024-08-12 13:26 ` [PATCH v2 2/2] perf sched timehist: Remove BUG_ON in timehist_sched_change_event() Yang Jihong
2024-08-12 19:04 ` Namhyung Kim [this message]
2024-08-14 18:42 ` Madadi Vineeth Reddy
2024-08-12 19:03 ` [PATCH v2 1/2] perf sched timehist: Skip print non-idle task samples when only show idle events Namhyung Kim
2024-09-03 18:44 ` Arnaldo Carvalho de Melo
2024-08-14 18:38 ` Madadi Vineeth Reddy
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