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

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Message-ID: <20230906100444.7cdf6248@gandalf.local.home>
Date:   Wed, 6 Sep 2023 10:04:44 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Zheng Yejian <zhengyejian1@...wei.com>
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 Wed, 6 Sep 2023 22:01:35 +0800
Zheng Yejian <zhengyejian1@...wei.com> wrote:

> Will the qemu version have an impact? Mine is:

It shouldn't, but...

> 
> $ 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


I'm using:

$ qemu-system-x86_64 --version
QEMU emulator version 8.0.3 (Debian 1:8.0.3+dfsg-5)
Copyright (c) 2003-2022 Fabrice Bellard and the QEMU Project developers

Maybe it's just that yours causes the race window to be bigger.

-- Steve