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SubjectRe: [PATCH] Remove redhat'ism from ftrace selftests.
On 03/04/2015 06:18 PM, Michael Ellerman wrote:
> On Wed, 2015-03-04 at 21:44 +0900, Namhyung Kim wrote:
>> I think that there's no need to even call true or echo..
>> From 0549544e8e982df6478f11e2b4fe419f94c22434 Mon Sep 17 00:00:00 2001
>> From: Namhyung Kim <>
>> Date: Wed, 4 Mar 2015 21:26:38 +0900
>> Subject: [PATCH] ftracetest: Do not use usleep
>> The usleep is only provided on distros from Redhat so running ftracetest
>> on other distro resulted in failures due to the missing usleep.
>> The reason of using [u]sleep in the test was to generate (scheduler)
>> events. But as we use 'cat trace | grep | wc -l' to read the events,
>> the command themselves already generate some events before reading the
>> trace file so no need to call [u]sleep explicitly.
>> Reported-by: Michael Ellerman <>
>> Reported-by: Dave Jones <>
>> Signed-off-by: Namhyung Kim <>
> Thanks, this is working for me.
> Tested-by: Michael Ellerman <>


Do you want to make a call on which one you want me to take it
through between these two patches - one from Dave and the other
from Namhyung Kim.

Please send me the patch I have to pull in. Namhyung Kim's patch
isn't in the format I can apply and I don't have Dave's patch in
my inbox.

-- Shuah

Shuah Khan
Sr. Linux Kernel Developer
Open Source Innovation Group
Samsung Research America (Silicon Valley) | (970) 217-8978

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