linux-kernel - Re: [PATCH v2 03/32] selftests/ftrace: Add --console hidden option

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Message-Id: <20180825103513.5b86d42a7ee2d20435522fbb@kernel.org>
Date:   Sat, 25 Aug 2018 10:35:13 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Shuah Khan <shuah@...nel.org>, Ingo Molnar <mingo@...hat.com>,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 03/32] selftests/ftrace: Add --console hidden option

On Fri, 24 Aug 2018 16:37:37 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:

> On Fri, 17 Aug 2018 01:30:36 +0900
> Masami Hiramatsu <mhiramat@...nel.org> wrote:
> 
> > Add --console hidden option for debug test cases.
> > This option allows to put "sh" or something else
> > when the test case hits a bug.
> 
> Can you add more information to why and how this would be used.

For example, if you find a testcase which doesn't
pass, you can insert sh for interactive debug as below

  #!/bin/sh
  # description: sample test case

  good-command
  suspicious-wrong-command
  sh # <- add this for interactive debug


Thank you,

-- 
Masami Hiramatsu <mhiramat@...nel.org>