linux-kernel - Re: [BUG] perf test 21("Test object code reading") failure on ARM64

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Message-ID: <720665644.5715738.1452240214901.JavaMail.zimbra@redhat.com>
Date:	Fri, 8 Jan 2016 03:03:34 -0500 (EST)
From:	Jan Stancek <jstancek@...hat.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	xiakaixu <xiakaixu@...wei.com>, Jiri Olsa <jolsa@...hat.com>,
	adrian hunter <adrian.hunter@...el.com>,
	Ingo Molnar <mingo@...nel.org>,
	masami hiramatsu pt <masami.hiramatsu.pt@...achi.com>,
	linux-kernel@...r.kernel.org, "Wangnan (F)" <wangnan0@...wei.com>
Subject: Re: [BUG] perf test 21("Test object code reading") failure on ARM64





----- Original Message -----
> From: "Arnaldo Carvalho de Melo" <acme@...nel.org>
> To: "xiakaixu" <xiakaixu@...wei.com>
> Cc: "Jan Stancek" <jstancek@...hat.com>, "Jiri Olsa" <jolsa@...hat.com>, "adrian hunter" <adrian.hunter@...el.com>,
> "Ingo Molnar" <mingo@...nel.org>, "masami hiramatsu pt" <masami.hiramatsu.pt@...achi.com>,
> linux-kernel@...r.kernel.org, "Wangnan (F)" <wangnan0@...wei.com>
> Sent: Thursday, 7 January, 2016 5:27:21 PM
> Subject: Re: [BUG] perf test 21("Test object code reading") failure on ARM64
> 
> Em Mon, Dec 21, 2015 at 10:18:20AM +0800, xiakaixu escreveu:
> > 于 2015/12/20 8:25, Jan Stancek 写道:
> > > On Sat, Dec 19, 2015 at 11:04:21AM +0800, xiakaixu wrote:
> > >>
> > >>>>>    ...
> > >>>
> > >>> Hi,
> > >>>
> > >>> What is your objdump version?
> > >>
> > >> Hi,
> > >>
> > >> Sorry for the late reply.
> > >>
> > >> # objdump --version
> > >> GNU objdump (GNU Binutils) 2.25.
> > >>
> > >> I am sure that the system is Little endian.
> > >>>
> > > 
> > > I have attached a patch if you care to try it with your setup.
> > > If it still fails, output from -v and last objdump command output
> > > would be helpful.
> > 
> > Hi,
> > 
> > After applying this patch, the perf test case passed.
> > 
> > # perf test 21
> > 21: Test object code reading                                 : (no vmlinux)
> > Ok
> 
> So, assuming this doesn't break other running the test in other arches,
> can Jan please resend this with a changelog and a Tested-by: Xia?
> 
> Was that done already? /me still digging thru my queue after last month
> vacations...

Hi,

not yet. I'd like to try the patch also on ppc64 BE/LE before I post it
(likely next week).

Regards,
Jan

> 
> - Arnaldo
>  
> > Thanks!
> > > 
> > > Regards,
> > > Jan
> > > 
> > 
> > 
> > --
> > Regards
> > Kaixu Xia
>