linux-kernel - Re: [PATCH v3 13/14] tracing/selftest: Add selftests to test trace

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Date:   Fri, 25 May 2018 17:13:53 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Masami Hiramatsu <mhiramat@...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>,
        Namhyung Kim <namhyung@...nel.org>,
        Yann Ylavic <ylavic.dev@...il.com>,
        linux-rt-users@...r.kernel.org, Shuah Khan <shuahkhan@...il.com>
Subject: Re: [PATCH v3 13/14] tracing/selftest: Add selftests to test
 trace_marker histogram triggers

On Fri, 25 May 2018 17:12:29 -0400
Steven Rostedt <rostedt@...dmis.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.

-- Steve

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