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SubjectRe: [PATCH] Remove redhat'ism from ftrace selftests.
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On Tue, 2015-03-03 at 17:05 -0700, Shuah Khan wrote:
> On 02/27/2015 08:16 PM, Namhyung Kim wrote:
> > On Tue, Feb 24, 2015 at 01:24:59PM -0500, Dave Jones wrote:
> >> On Tue, Feb 24, 2015 at 11:22:58AM -0700, Shuah Khan wrote:
> >> > On 02/24/2015 11:18 AM, Steven Rostedt wrote:
> >> > >
> >> > > Shuah,
> >> > >
> >> > > Can you take this in your tree?
> >> >
> >> > Yes I can do that. This must be the original patch email:
> >> > https://lkml.org/lkml/2015/2/24/435
> >
> > Please see below links:
> >
> > https://lkml.org/lkml/2014/12/10/52
> > https://lkml.org/lkml/2014/12/22/556
> >
> > I think we can get rid of the (u)sleeps entirely since 'cat trace'
> > itself should trigger scheduler events.
>
> Steve/Dave,
>
> Still good to take it through. The discussion in the threads
> Namhyung Kim pointed to seem to be inconclusive.
>
> The only difference between the original patch
> https://lkml.org/lkml/2014/12/9/780
> and
> https://lkml.org/lkml/2015/2/24/435
>
> is sleep duration change. I can take through my tree
> https://lkml.org/lkml/2015/2/24/435
>
> just confirming.

No, the resoultion was that busybox doesn't support fractional sleeps and so
using them is not a solution.

I thought /bin/true would work, but never got around to testing it. The other
option was to use (echo "forked"):

https://lkml.org/lkml/2014/12/23/447

cheers




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