linux-kernel - RE: [PATCH V4 3/3] perf,test: test cpu topology

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Date:	Tue, 1 Sep 2015 23:25:10 +0000
From:	"Liang, Kan" <kan.liang@...el.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
CC:	"jolsa@...nel.org" <jolsa@...nel.org>,
	"ak@...ux.intel.com" <ak@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH V4 3/3] perf,test: test cpu topology



> 
> Em Tue, Sep 01, 2015 at 09:58:13AM -0400, Kan Liang escreveu:
> > From: Jiri Olsa <jolsa@...nel.org>
> >
> > This patch test cpu core_id and socket_id which are stored in perf_env.
> >
> > Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> > Signed-off-by: Kan Liang <kan.liang@...el.com>
> > ---
> >
> > Changes since jirka's original version
> >  - Use pr_debug to replace fprintf
> >  - Add date_size to avoid warning
> >  - Introduce cpu_map, and compare core_id and socket_id
> >    between cpu_map and perf_env
> 
> Humm, two questions:
> 
> Since you changed it that much, wouldn't be better to give you the
> authorship while still giving credit to Jiri for the original version?
> Something like:
> 
> Based-on-a-patch-by: Jiri Olsa

Jiri, are you OK with that?

> 
> [acme@zoo linux]$ git log | grep Based-on-patch-by: | wc -l
> 61
> [acme@zoo linux]$ git log | grep Based-on-a-patch-by: | wc -l
> 4
> [acme@zoo linux]$
> 
> But then you need to resubmit this anyway, as you forgot to do the:
> 
>  git add tools/perf/tests/topology.c

Ah... My bad. :(

I will resubmit the patch then.

Thanks,
Kan

> 
> :-)
> 
> - Arnaldo
> 
> > Changes since V2:
> >  - unlink(path)
> >
> >  tools/perf/tests/Build          | 1 +
> >  tools/perf/tests/builtin-test.c | 4 ++++
> >  tools/perf/tests/tests.h        | 1 +
> >  3 files changed, 6 insertions(+)
> >
> > diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build index
> > c1518bd..208bbdf 100644
> > --- a/tools/perf/tests/Build
> > +++ b/tools/perf/tests/Build
> > @@ -33,6 +33,7 @@ perf-y += parse-no-sample-id-all.o  perf-y +=
> > kmod-path.o  perf-y += thread-map.o  perf-y += llvm.o
> > +perf-y += topology.o
> >
> >  perf-$(CONFIG_X86) += perf-time-to-tsc.o
> >
> > diff --git a/tools/perf/tests/builtin-test.c
> > b/tools/perf/tests/builtin-test.c index 136cd93..6650f26 100644
> > --- a/tools/perf/tests/builtin-test.c
> > +++ b/tools/perf/tests/builtin-test.c
> > @@ -179,6 +179,10 @@ static struct test {
> >  		.func = test__llvm,
> >  	},
> >  	{
> > +		.desc = "Test topology in session",
> > +		.func = test_session_topology,
> > +	},
> > +	{
> >  		.func = NULL,
> >  	},
> >  };
> > diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index
> > bf113a2..95654d7 100644
> > --- a/tools/perf/tests/tests.h
> > +++ b/tools/perf/tests/tests.h
> > @@ -63,6 +63,7 @@ int test__fdarray__add(void);  int
> > test__kmod_path__parse(void);  int test__thread_map(void);  int
> > test__llvm(void);
> > +int test_session_topology(void);
> >
> >  #if defined(__x86_64__) || defined(__i386__) || defined(__arm__) ||
> > defined(__aarch64__)  #ifdef HAVE_DWARF_UNWIND_SUPPORT
> > --
> > 1.8.3.1
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