From: Jens Axboe <axboe@kernel.dk>
To: rostedt@goodmis.org, mhiramat@kernel.org, acme@redhat.com,
mingo@elte.hu, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org,
Yang Jihong <yangjihong1@huawei.com>
Subject: Re: [PATCH] blktrace: Fix output non-blktrace event when blk_classic option enabled
Date: Thu, 08 Dec 2022 09:27:02 -0700 [thread overview]
Message-ID: <167051682259.135565.3126267294037734458.b4-ty@kernel.dk> (raw)
In-Reply-To: <20221122040410.85113-1-yangjihong1@huawei.com>
On Tue, 22 Nov 2022 12:04:10 +0800, Yang Jihong wrote:
> When the blk_classic option is enabled, non-blktrace events must be
> filtered out. Otherwise, events of other types are output in the blktrace
> classic format, which is unexpected.
>
> The problem can be triggered in the following ways:
>
> # echo 1 > /sys/kernel/debug/tracing/options/blk_classic
> # echo 1 > /sys/kernel/debug/tracing/events/enable
> # echo blk > /sys/kernel/debug/tracing/current_tracer
> # cat /sys/kernel/debug/tracing/trace_pipe
>
> [...]
Applied, thanks!
[1/1] blktrace: Fix output non-blktrace event when blk_classic option enabled
commit: f596da3efaf4130ff61cd029558845808df9bf99
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2022-12-08 16:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-22 4:04 Yang Jihong
2022-12-07 1:34 ` Yang Jihong
2022-12-08 16:26 ` Jens Axboe
2022-12-09 1:51 ` Yang Jihong
2022-12-08 16:27 ` Jens Axboe [this message]
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