From: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
To: Adrian Hunter <adrian.hunter@intel.com>
Cc: linux-kernel@vger.kernel.org, David Ahern <dsahern@gmail.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Jiri Olsa <jolsa@redhat.com>, Mike Galbraith <efault@gmx.de>,
Namhyung Kim <namhyung@gmail.com>,
Paul Mackerras <paulus@samba.org>,
Peter Zijlstra <peterz@infradead.org>,
Stephane Eranian <eranian@google.com>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH V4 15/21] perf tools: fix missing increment in sample parsing
Date: Fri, 5 Jul 2013 14:08:30 -0300 [thread overview]
Message-ID: <20130705170830.GG2559@ghostprotocols.net> (raw)
In-Reply-To: <1372944040-32690-16-git-send-email-adrian.hunter@intel.com>
Em Thu, Jul 04, 2013 at 04:20:34PM +0300, Adrian Hunter escreveu:
> The final sample format bit used to be PERF_SAMPLE_STACK_USER
> which neglected to do a final increment of the array pointer.
> The result is that the following parsing might start at the
> wrong place.
One 'perf test' entry that would ask for these features and then check
that the result obtained is what is expected would come in handy here
:-\
- Arnaldo
> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
> ---
> tools/perf/util/evsel.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
> index 86628fe..10ccf38 100644
> --- a/tools/perf/util/evsel.c
> +++ b/tools/perf/util/evsel.c
> @@ -1284,7 +1284,7 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
> } else {
> data->user_stack.data = (char *)array;
> array += size / sizeof(*array);
> - data->user_stack.size = *array;
> + data->user_stack.size = *array++;
> }
> }
>
> --
> 1.7.11.7
next prev parent reply other threads:[~2013-07-05 17:08 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-04 13:20 [PATCH V4 00/15] perf tools: some fixes and tweaks Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 01/21] perf tools: remove unused parameter Adrian Hunter
2013-07-19 7:49 ` [tip:perf/core] perf inject: Remove " tip-bot for Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 02/21] perf tools: fix missing tool parameter Adrian Hunter
2013-07-19 7:49 ` [tip:perf/core] perf tools: Fix " tip-bot for Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 03/21] perf tools: fix missing 'finished_round' Adrian Hunter
2013-07-19 7:49 ` [tip:perf/core] perf inject: Add " tip-bot for Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 04/21] perf tools: fix parse_events_terms() segfault on error path Adrian Hunter
2013-07-12 8:51 ` [tip:perf/urgent] perf tools: Fix " tip-bot for Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 05/21] perf tools: fix new_term() missing free " Adrian Hunter
2013-07-12 8:51 ` [tip:perf/urgent] perf tools: Fix " tip-bot for Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 06/21] perf tools: add const specifier to perf_pmu__find name parameter Adrian Hunter
2013-07-19 7:49 ` [tip:perf/core] perf tools: Add " tip-bot for Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 07/21] perf tools: tidy duplicated munmap code Adrian Hunter
2013-07-19 7:49 ` [tip:perf/core] perf evlist: Tidy " tip-bot for Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 08/21] perf tools: validate perf event header size Adrian Hunter
2013-07-19 7:50 ` [tip:perf/core] perf tools: Validate " tip-bot for Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 09/21] perf tools: add debug prints Adrian Hunter
2013-07-05 16:59 ` Arnaldo Carvalho de Melo
2013-07-04 13:20 ` [PATCH V4 10/21] perf tools: fix symbol_conf.nr_events Adrian Hunter
2013-07-12 8:51 ` [tip:perf/urgent] perf tools: Update symbol_conf.nr_events when processing attribute events tip-bot for Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 11/21] perf tools: allow non-matching sample types Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 12/21] perf tools: struct thread has a tid not a pid Adrian Hunter
2013-07-19 7:50 ` [tip:perf/core] " tip-bot for Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 13/21] perf tools: add pid to struct thread Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 14/21] perf tools: change "machine" functions to set thread pid Adrian Hunter
2013-07-06 15:58 ` David Ahern
2013-07-04 13:20 ` [PATCH V4 15/21] perf tools: fix missing increment in sample parsing Adrian Hunter
2013-07-05 17:08 ` Arnaldo Carvalho de Melo [this message]
2013-07-12 8:51 ` [tip:perf/urgent] perf evsel: Fix " tip-bot for Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 16/21] perf tools: tidy up sample parsing overflow checking Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 17/21] perf tools: remove unnecessary callchain validation Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 18/21] perf tools: remove references to struct ip_event Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 19/21] perf tools: move " Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 20/21] perf: make events stream always parsable Adrian Hunter
2013-07-05 13:24 ` Namhyung Kim
2013-07-11 13:26 ` Adrian Hunter
2013-07-04 13:20 ` [PATCH V4 21/21] perf tools: add support for PERF_SAMPLE_IDENTFIER Adrian Hunter
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