linux-kernel - Re: [PATCH] blktrace: Fix output non-blktrace event when blk

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Message-Id: <167051682259.135565.3126267294037734458.b4-ty@kernel.dk>
Date:   Thu, 08 Dec 2022 09:27:02 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     rostedt@...dmis.org, mhiramat@...nel.org, acme@...hat.com,
        mingo@...e.hu, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, Yang Jihong <yangjihong1@...wei.com>
Subject: Re: [PATCH] blktrace: Fix output non-blktrace event when blk_classic
 option enabled


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