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Date: Mon, 28 May 2018 01:32:58 +0900
From: Masami Hiramatsu <mhiramat@kernel.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
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        linux-rt-users@vger.kernel.org, Shuah Khan <shuahkhan@gmail.com>
Subject: Re: [PATCH v3 13/14] tracing/selftest: Add selftests to test
 trace_marker histogram triggers
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Hi Steve,

On Fri, 25 May 2018 17:13:53 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:

> On Fri, 25 May 2018 17:12:29 -0400
> Steven Rostedt <rostedt@goodmis.org> wrote:
> 
>  
> > #!/bin/sh
> 
> Hmm, I think I need to make this #!/bin/bash
> 
> > test_trace() {
> >     file=$1
> >     x=$2
> > 
> >     cat $file | while read line; do
> > 	if [ "$line" != "${line/\#/}" ]; then
> > 	    continue
> > 	fi
> > 	echo "testing $line for >$x<"
> > 	if [ "$line" == "${line/>$x</}" ]; then
> 
> The ${line/>$x</} is unique to bash I believe.

Hmm, could you try to use only posix-shell based test ?
Since I would like to keep this can run on small 
environment, like busybox, etc.

Thank you,

> 
> -- Steve
> 
> > 	    fail "$line does not have >$x< in it"
> > 	fi
> > 	let x=$x+2
> >     done
> > }
> > 


-- 
Masami Hiramatsu <mhiramat@kernel.org>