linux-kernel - Re: [PATCH v3 00/10] tracing: introducing eventfs

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Message-Id: <20230622123137.4b74a306c9032de70cd99c51@kernel.org>
Date:   Thu, 22 Jun 2023 12:31:37 +0900
From:   Masami Hiramatsu (Google) <mhiramat@...nel.org>
To:     Ajay Kaher <akaher@...are.com>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        "mhiramat@...nel.org" <mhiramat@...nel.org>,
        "shuah@...nel.org" <shuah@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-trace-kernel@...r.kernel.org" 
        <linux-trace-kernel@...r.kernel.org>,
        "linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>,
        Ching-lin Yu <chinglinyu@...gle.com>,
        Nadav Amit <namit@...are.com>,
        "srivatsa@...il.mit.edu" <srivatsa@...il.mit.edu>,
        Alexey Makhalov <amakhalov@...are.com>,
        Vasavi Sirnapalli <vsirnapalli@...are.com>,
        Tapas Kundu <tkundu@...are.com>,
        "er.ajay.kaher@...il.com" <er.ajay.kaher@...il.com>
Subject: Re: [PATCH v3 00/10] tracing: introducing eventfs

On Wed, 21 Jun 2023 11:42:24 +0000
Ajay Kaher <akaher@...are.com> wrote:

> 
> 
> > On 20-Jun-2023, at 8:32 PM, Steven Rostedt <rostedt@...dmis.org> wrote:
> > 
> > !! External Email
> > 
> > On Mon, 19 Jun 2023 05:38:25 +0000
> > Ajay Kaher <akaher@...are.com> wrote:
> > 
> >> # of passed:  65
> >> # of failed:  3
> > 
> > Unrelated to your patches, but have you checked why these fail? Do you have
> > the latest tests running on the latest kernel?
> > 
> 
> Failed test got passed after enabling /proc/kallsyms, using:
> echo 0  > /proc/sys/kernel/kptr_restrict

Oh, interesting. It should be 'unresolved' (skipped) if that happens.

[23] event filter function - test event filtering on functions [FAIL]
[60] Kprobe events - probe points [FAIL]
[106] (instance)  event filter function - test event filtering on functions [FAIL]

OK, let me see.

Thanks for reporting!

> Following is the report of ftracetest on Linux v6.4.0-rc7 (with/without eventfs):
> # of passed:  68
> # of failed:  0
> # of unresolved:  6
> # of untested:  0
> # of unsupported:  45
> # of xfailed:  0
> # of undefined(test bug):  0 
> 
> If lockdep is enabled getting same warning as reported by 'kernel test robot' for v3 09/10:
> https://lore.kernel.org/all/1686640004-47546-1-git-send-email-akaher@vmware.com/
> 
> >> # of unresolved:  6
> >> # of untested:  0
> >> # of unsupported:  44
> >> # of xfailed:  0
> >> # of undefined(test bug):  0
> >> 
> >> These results are same with/without eventfs.
> > 
> > I'm hoping to look at these patches this week.
> 
> Yes, please. Thanks.
> 
> -Ajay
> 


-- 
Masami Hiramatsu (Google) <mhiramat@...nel.org>