linux-kernel - Re: [PATCH 0/2] s390 vs. kprobes on ftrace

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Date:	Mon, 20 Oct 2014 10:31:43 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	Heiko Carstens <heiko.carstens@...ibm.com>
Cc:	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
	"David S. Miller" <davem@...emloft.net>,
	Ingo Molnar <mingo@...hat.com>,
	Vojtech Pavlik <vojtech@...e.cz>,
	Jiri Kosina <jkosina@...e.cz>, Jiri Slaby <jslaby@...e.cz>,
	Steven Rostedt <rostedt@...dmis.org>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] s390 vs. kprobes on ftrace

(2014/10/17 17:21), Heiko Carstens wrote:
> On Thu, Oct 16, 2014 at 02:49:56PM +0900, Masami Hiramatsu wrote:
>> I'm not sure about s390 nor have the machine, so it is very helpful if you
>> give us a command line level test and show us the result with this patch :)
>> Fortunately, we already have ftracetest under tools/tesitng/selftest/ftrace/.
>> You can add the testcase for checking co-existence of kprobes and ftrace on
>> an entry of a function.
> 
> FWIW, I was also surprised to see that the order of the ftrace testcases is
> not sorted. Maybe you might consider the patch below as well:

Ah, right. I've misunderstood that was already sorted.

Could you resend it as a separated patch, with my ack?

Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>

Thank you,
> 
>>>From a659098f63f188e603316e4c4ccb435bf360987a Mon Sep 17 00:00:00 2001
> From: Heiko Carstens <heiko.carstens@...ibm.com>
> Date: Fri, 17 Oct 2014 10:08:35 +0200
> Subject: [PATCH] ftracetest: sort testcases
> 
> Make sure the order of the executed testcases is always the same.
> 
> Signed-off-by: Heiko Carstens <heiko.carstens@...ibm.com>
> ---
>  tools/testing/selftests/ftrace/ftracetest | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest
> index a8f81c782856..2007a2cde56f 100755
> --- a/tools/testing/selftests/ftrace/ftracetest
> +++ b/tools/testing/selftests/ftrace/ftracetest
> @@ -37,7 +37,7 @@ abspath() {
>  }
>  
>  find_testcases() { #directory
> -  echo `find $1 -name \*.tc`
> +  echo `find $1 -name \*.tc | sort`
>  }
>  
>  parse_opts() { # opts
> 


-- 
Masami HIRAMATSU
Software Platform Research Dept. Linux Technology Research Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@...achi.com


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