linux-kernel - Re: [PATCH 1/5] ftrace: Support full glob matching

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Message-ID: <20161020094320.44615d53@gandalf.local.home>
Date:   Thu, 20 Oct 2016 09:43:20 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Shuah Khan <shuah@...nel.org>, linux-kernel@...r.kernel.org,
        Ingo Molnar <mingo@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        linux-kselftest@...r.kernel.org
Subject: Re: [PATCH 1/5] ftrace: Support full glob matching

On Thu, 20 Oct 2016 11:07:52 +0900
Masami Hiramatsu <mhiramat@...nel.org> wrote:


> And OK, what kind of tests are failed on 4.9-rc1? I though a possible
> kernel freeze in 4.8 when I ran ftracetest, but it seemed disappeared
> in 4.9-rc1.

The kernel crashed on enabling the mmiotracer, which disables CPUs.
That tracer is notorious for finding CPU hotplug bugs. There's a fix in
tip/urgent that I pulled in, which lets it pass. I rather wait till rc2
to base changes on where I don't need to add commits to make my tests
pass.

-- Steve