linux-kernel - Re: [RFC 00/14] perf pollfd v3

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Date:	Thu, 11 Sep 2014 10:30:29 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	linux-kernel@...r.kernel.org,
	Adrian Hunter <adrian.hunter@...el.com>,
	Borislav Petkov <bp@...e.de>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Don Zickus <dzickus@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Jean Pihet <jean.pihet@...aro.org>,
	Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [RFC 00/14] perf pollfd v3

Em Thu, Sep 11, 2014 at 01:48:25PM +0200, Jiri Olsa escreveu:
> On Thu, Sep 11, 2014 at 01:33:36PM +0200, Jiri Olsa wrote:
> 
> SNIP
> 
> > #20 0x0000000000465e72 in perf_evsel__free_fd (evsel=0x20af190) at util/evsel.c:786
> > #21 perf_evsel__close (evsel=evsel@...ry=0x20af190, ncpus=<optimized out>, nthreads=nthreads@...ry=1) at util/evsel.c:1139
> > #22 0x000000000045f77d in perf_evlist__close (evlist=0x20ae8b0) at util/evlist.c:1148
> > #23 perf_evlist__delete (evlist=0x20ae8b0) at util/evlist.c:114
> > #24 0x000000000042b878 in cmd_record (argc=<optimized out>, argv=<optimized out>, prefix=<optimized out>) at builtin-record.c:967
> > #25 0x000000000041c455 in run_builtin (p=p@...ry=0x815e70 <commands+144>, argc=argc@...ry=2, argv=argv@...ry=0x7fff5c077c50) at perf.c:331
> > #26 0x000000000041bc70 in handle_internal_command (argv=0x7fff5c077c50, argc=2) at perf.c:390
> > #27 run_argv (argv=0x7fff5c0779d0, argcp=0x7fff5c0779dc) at perf.c:434
> > #28 main (argc=2, argv=0x7fff5c077c50) at perf.c:549
> 
> so the reason was that my fd lib stuff did not get rebuilt..

Thanks a lot! I missed that one, will fold it into the patch that
introduces fdarray and add a v2: comment attributing credit to you, so
that bisection works.

- Arnaldo
 
> you probably want to add attached change, before there's the
> fix for the apik library
> 
> jirka
> 
> 
> ---
> diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
> index 9ce194fc00a0..726a31a18125 100644
> --- a/tools/perf/Makefile.perf
> +++ b/tools/perf/Makefile.perf
> @@ -769,7 +769,7 @@ $(LIBTRACEEVENT)-clean:
>  install-traceevent-plugins: $(LIBTRACEEVENT)
>  	$(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) install_plugins
>  
> -LIBAPIKFS_SOURCES = $(wildcard $(LIB_PATH)fs/*.[ch])
> +LIBAPIKFS_SOURCES = $(wildcard $(LIB_PATH)fs/*.[ch] $(LIB_PATH)fd/*.[ch])
>  
>  # if subdir is set, we've been called from above so target has been built
>  # already
--
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