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Date: Mon, 30 Mar 2015 21:29:47 -0400
From: Steven Rostedt <rostedt@goodmis.org>
To: =?UTF-8?B?UMOhZHJhaWc=?= Brady <P@draigBrady.com>
Cc: Namhyung Kim <namhyung@kernel.org>, Shuah Khan <shuahkh@osg.samsung.com>,
        LKML <linux-kernel@vger.kernel.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Dave Jones <davej@codemonkey.org.uk>,
        Luis Henriques <luis.henriques@canonical.com>
Subject: Re: [PATCH] ftracetest: Do not use usleep
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On Tue, 31 Mar 2015 02:08:06 +0100
Pádraig Brady <P@draigBrady.com> wrote:

> > I'm okay with ping though but worried if some tiny system might lack
> > the ping command..
> 
> I'd use a fallback method like:
> 
>   yield() { sleep .001 || usleep 1 || sleep 1; }
> 
> Then just s/usleep 1/yield/

yield() { ping localhost -c 1 || sleep .001 || usleep 1 || sleep 1; } ;-)


-- Steve