From: Masami Hiramatsu <mhiramat@kernel.org>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: Shuah Khan <shuah@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
Tom Zanussi <tom.zanussi@linux.intel.com>,
Li Philip <philip.li@intel.com>,
Liu Yiding <yidingx.liu@intel.com>,
Xiao Yang <yangx.jy@cn.fujitsu.com>,
David Laight <David.Laight@ACULAB.COM>
Subject: Re: [PATCH v2] selftests/ftrace: Use printf for backslash included command
Date: Mon, 11 May 2020 22:58:05 +0900 [thread overview]
Message-ID: <20200511225805.ed665ee97d3cbd87a5ca9380@kernel.org> (raw)
In-Reply-To: <87eerq1tcd.fsf@igel.home>
On Mon, 11 May 2020 15:42:10 +0200
Andreas Schwab <schwab@linux-m68k.org> wrote:
> On Mai 11 2020, Masami Hiramatsu wrote:
>
> > - (! echo "$command" >> "$3" ) 2> /dev/null
> > + (! printf "%s" "$command" >> "$3" ) 2> /dev/null
>
> printf %s does not print a newline, you need printf '%s\n' for that.
Actually, ftrace doesn't need newline for single command.
The reason why we had used echo instead of "echo -n" here,
is just for short typing :)
Thank you,
--
Masami Hiramatsu <mhiramat@kernel.org>
next prev parent reply other threads:[~2020-05-11 13:58 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-01 13:37 [PATCH 0/3] selftests/ftrace: Fix ftracetest testcases for dash, etc Masami Hiramatsu
2020-05-01 13:37 ` [PATCH 1/3] selftests/ftrace: Make XFAIL green color Masami Hiramatsu
2020-05-01 14:15 ` Steven Rostedt
2020-05-01 13:37 ` [PATCH 2/3] selftests/ftrace: Pick only the first kprobe event to test Masami Hiramatsu
2020-05-01 14:17 ` Steven Rostedt
2020-05-01 15:38 ` shuah
2020-05-01 16:20 ` Steven Rostedt
2020-05-01 16:30 ` Shuah Khan
2020-05-02 3:05 ` Masami Hiramatsu
2020-05-01 13:38 ` [PATCH 3/3] selftests/ftrace: Use /bin/echo instead of built-in echo Masami Hiramatsu
2020-05-01 14:19 ` Steven Rostedt
2020-05-02 3:08 ` Masami Hiramatsu
2020-05-07 13:12 ` Steven Rostedt
2020-05-07 15:50 ` Masami Hiramatsu
2020-05-07 17:25 ` Steven Rostedt
2020-05-07 20:32 ` Zanussi, Tom
2020-05-08 7:11 ` Masami Hiramatsu
2020-05-07 6:45 ` Xiao Yang
2020-05-07 9:15 ` Masami Hiramatsu
2020-05-11 7:22 ` Xiao Yang
2020-05-11 9:27 ` Masami Hiramatsu
2020-05-11 10:34 ` David Laight
2020-05-11 12:01 ` [PATCH] selftests/ftrace: Use /bin/echo for backslash included command Masami Hiramatsu
2020-05-11 12:19 ` Andreas Schwab
2020-05-11 13:36 ` [PATCH v2] selftests/ftrace: Use printf " Masami Hiramatsu
2020-05-11 13:38 ` Masami Hiramatsu
2020-05-11 13:46 ` David Laight
2020-05-11 14:05 ` Masami Hiramatsu
2020-05-11 14:59 ` David Laight
2020-05-11 20:28 ` Steven Rostedt
2020-05-11 13:42 ` Andreas Schwab
2020-05-11 13:58 ` Masami Hiramatsu [this message]
2020-05-25 9:59 ` Masami Hiramatsu
2020-05-28 16:24 ` Shuah Khan
2020-05-07 9:22 ` [PATCH 3/3] selftests/ftrace: Use /bin/echo instead of built-in echo Andreas Schwab
2020-05-07 15:52 ` Masami Hiramatsu
2020-05-01 14:21 ` [PATCH 0/3] selftests/ftrace: Fix ftracetest testcases for dash, etc Steven Rostedt
2020-05-01 14:28 ` Shuah Khan
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