linux-kernel - Re: [PATCH] [PATCH v2] perf test: add platform dependency to test 15

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Date:   Mon, 26 Jun 2017 21:44:30 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Thomas Richter <tmricht@...ux.vnet.ibm.com>,
        linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        brueckner@...ux.vnet.ibm.com
Subject: Re: [PATCH] [PATCH v2] perf test: add platform dependency to test 15

Em Tue, Jun 27, 2017 at 12:58:29AM +0200, Jiri Olsa escreveu:
> On Thu, Jun 22, 2017 at 09:36:25AM +0200, Thomas Richter wrote:
> > This patch adds platform dependency into the
> > test case 15 (perf_event_attr). It is based on a suggestion from
> > Jiri Olsa.
> > Add a new optional attribute named 'arch' in the [config] section
> > of the test case file. It is a comma separated list of architecture
> > names this test can be executed on. For example:
> > 
> > arch = x86_64,alpha,ppc
> > 
> > If this attribute is missing the test is executed on any platform.
> > This does not break existing behavior.
> > The values listed for this attribute should be identical to
> > uname -m output.
> > If the list starts with an exclamation mark (!) the comparison is
> > inverted, for example for
> > 
> > arch = !s390x,ppc
> > 
> > the test is not executed on s390x or ppc platforms.
> > The exclamation mark must be at the beginnning of the list.
> > 
> > Here is an example debug output:
> > [root@...lp76]# fgrep arch tests/attr/test-stat-C2
> > arch = x86_64,alpha,ppc
> > [root@...lp76]# PERF_TEST_ATTR=/tmp /usr/bin/python2 ./tests/attr.py \
> >   -d ./tests/attr/ -p ./perf -vvvvv -t test-stat-C1
> > 
> > provides the following output:
> > 
> > running './tests/attr//test-stat-C1'
> > test limitation 'x86_64,alpha,ppc' <--- new
> >   loading expected events
> >     Event event:base-stat
> >       fd = 1
> >       group_fd = -1
> >       .....
> > 
> > Here is the output when a test is skipped:
> > [root@...lp76]# fgrep arch tests/attr/test-stat-C1
> > arch = !s390x
> > [root@...lp76]# PERF_TEST_ATTR=/tmp /usr/bin/python2 ./tests/attr.py \
> >   -d ./tests/attr/ -p ./perf -vvvvv -t test-stat-C1
> > 
> > provides the following output:
> > test limitation '!s390x' <--- new
> > 
> > skipped [s390x] './tests/attr//test-stat-C1' <--- new
> > 
> > The test is skipped with return code 0.
> > 
> > Suggested-by: Jiri Olsa <jolsa@...hat.com>
> > Signed-off-by: Thomas Richter <tmricht@...ux.vnet.ibm.com>
> > Reviewed-by: Jiri Olsa <jolsa@...hat.com>
> > Reviwed-by: Arnaldo Carvalho de Melo <acme@...nel.org>
> 
> Acked-by: Jiri Olsa <jolsa@...hat.com>
> 
> sorry for delay, I finished my attr tests fixes, you can check
> them in my perf/attr_test_2 branch.. still need to write changelogs ;-)
> 
> it passes for me now, however we still might need few fixes
> due to different HW and supported events.. could you please
> test that on your system?
> 
> I'll post the changes soon

Thanks, applied.

- Arnaldo