linux-kernel - Re: perf/ftrace: fuzzer triggers another warning with PERF_EVENT_IOC_SET

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Message-ID: <20150618171918.7f33a829@gandalf.local.home>
Date:	Thu, 18 Jun 2015 17:19:18 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Vince Weaver <vincent.weaver@...ne.edu>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: perf/ftrace: fuzzer triggers another warning with
 PERF_EVENT_IOC_SET_FILTER

On Thu, 18 Jun 2015 17:18:47 -0400 (EDT)
Vince Weaver <vincent.weaver@...ne.edu> wrote:


> As an aside, I can't find any documentation of how the "~" glob operator 

Hmm, I need to add documentation then.

> works in ftrace filters.  Can you give a quick example of a valid filter 
> that uses it?

It works with strings...

for sched:sched_switch

    prev_comm ~ "ls*"

-- Steve
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