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Message-ID: <20180516100959.677fed4b@gandalf.local.home>
Date:   Wed, 16 May 2018 10:09:59 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        Clark Williams <williams@...hat.com>,
        Karim Yaghmour <karim.yaghmour@...rsys.com>,
        Brendan Gregg <bgregg@...flix.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Yann Ylavic <ylavic.dev@...il.com>,
        linux-rt-users@...r.kernel.org, kernel-team@....com
Subject: Re: [PATCH v2 14/14] tracing/selftest: Add test to test hist
 trigger between kernel event and trace_marker

On Wed, 16 May 2018 18:11:53 +0900
Namhyung Kim <namhyung@...nel.org> wrote:

 
> > +echo "Test histogram kernel event to trace_marker latency histogram trigger"
> > +
> > +echo 'latency u64 lat' > synthetic_events
> > +echo 'hist:keys=pid:ts0=common_timestamp.usecs' > events/sched/sched_waking/trigger
> > +echo 'hist:keys=common_pid:lat=common_timestamp.usecs-$ts0:onmatch(ftrace.print).latency($lat)' > events/ftrace/print/trigger  
> 
> Shouldn't it be "onmatch(sched.sched_waking)" ?

Ug, yes! Cut-and-paste fail :-p

I tested this my hand and did it correctly, but instead of
cut-and-pasting the command line, I cut and pasted the other test and
updated it.

Thanks for reviewing Namhyung!

-- Steve

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