linux-kernel - Re: [PATCH] selftests/ftrace: Correctly enable event in instance-event.tc

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Message-ID: <77c3a142-0a03-8fa2-e5b5-cea9515065f4@huawei.com>
Date:   Wed, 6 Sep 2023 22:01:35 +0800
From:   Zheng Yejian <zhengyejian1@...wei.com>
To:     Steven Rostedt <rostedt@...dmis.org>
CC:     "Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
        Ajay Kaher <akaher@...are.com>, <shuah@...nel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-trace-kernel@...r.kernel.org>,
        <linux-kselftest@...r.kernel.org>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Ye Weihua <yeweihua4@...wei.com>
Subject: Re: [PATCH] selftests/ftrace: Correctly enable event in
 instance-event.tc

On 2023/9/6 21:45, Steven Rostedt wrote:
> On Wed, 6 Sep 2023 09:43:06 -0400
> Steven Rostedt <rostedt@...dmis.org> wrote:
> 
>>> also can be reproduced with the newest:
>>> 65d6e954e378 ("Merge tag 'gfs2-v6.5-rc5-fixes' of
>>> git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2")
>>>
>>> And revert commit 27152bceea1d ("eventfs: Move tracing/events to
>>> eventfs"), the issue just seems gone.
>>
>> The reason I'm asking is that there could be something added that fixes it.
>> I'm testing Linus's tree at: cbb557ba92f08b945e2cb20b7ab37ef49ab53cdd
> 
> Never mind, I just noticed that your above sha includes this one.
> 
> Not sure why I can't reproduce this. I'm using qemu as well.
> 

Will the qemu version have an impact? Mine is:

$ qemu-system-x86_64 --version
QEMU emulator version 4.2.1 (Debian 1:4.2-3ubuntu6.27)
Copyright (c) 2003-2019 Fabrice Bellard and the QEMU Project developers

--

Thanks,
Zheng Yejian

> -- Steve
>