From: Jiri Olsa <jolsa@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: Jiri Olsa <jolsa@redhat.com>,
Corey Ashford <cjashfor@linux.vnet.ibm.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Ingo Molnar <mingo@elte.hu>, Namhyung Kim <namhyung@kernel.org>,
Paul Mackerras <paulus@samba.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Andi Kleen <ak@linux.intel.com>, David Ahern <dsahern@gmail.com>
Subject: [PATCH 16/25] perf tools: Add perf data version 3 header read
Date: Sun, 1 Sep 2013 12:36:27 +0200 [thread overview]
Message-ID: <1378031796-17892-17-git-send-email-jolsa@redhat.com> (raw)
In-Reply-To: <1378031796-17892-1-git-send-email-jolsa@redhat.com>
Adding perf data version 3 header read code to load
data for v3 format.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
---
| 46 +++++++++++++++++++++++++++++++++++++++-------
1 file changed, 39 insertions(+), 7 deletions(-)
--git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 77d588f..0bf0164 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1780,17 +1780,26 @@ process_event_desc(struct perf_file_section *section __maybe_unused,
struct perf_session *session;
struct perf_evlist *evlist;
struct perf_evsel *evsel;
+ struct perf_header *ph;
+
+ session = container_of(header, struct perf_session, header);
evlist = read_event_desc(header, fd);
if (!evlist)
- return 0;
+ return -1;
- session = container_of(header, struct perf_session, header);
+ ph = &session->header;
- list_for_each_entry(evsel, &evlist->entries, node)
- perf_evlist__set_event_name(session->evlist, evsel);
+ if (ph->version <= PERF_HEADER_VERSION_2) {
+ list_for_each_entry(evsel, &evlist->entries, node)
+ perf_evlist__set_event_name(session->evlist, evsel);
+
+ perf_evlist__delete(evlist);
+ } else {
+ session->evlist = session->evlist ?: evlist;
+ symbol_conf.nr_events = evlist->nr_entries;
+ }
- perf_evlist__delete(evlist);
return 0;
}
@@ -2859,15 +2868,38 @@ static int perf_session__read_header_v2(struct perf_session *session,
return __perf_session__read_header_v2(session, header);
}
+static int perf_session__read_header_v3(struct perf_session *session,
+ struct perf_file_header *header)
+{
+ struct perf_header *ph = &session->header;
+ struct perf_file_header_v3 *v3 = &header->v3;
+
+ memcpy(&ph->adds_features, &v3->adds_features,
+ sizeof(ph->adds_features));
+
+ ph->data_offset = v3->data.offset;
+ ph->data_size = v3->data.size;
+ ph->feat_offset = v3->features.offset;
+
+ perf_header__process_sections(ph, session->fd, &session->pevent,
+ perf_file_section__process);
+
+ return 0;
+}
+
static int perf_header_read_file(struct perf_session *session)
{
struct perf_file_header header;
+ struct perf_header *ph = &session->header;
if (perf_file_header__read(&header, &session->header, session->fd))
return -1;
- /* read v2 specific data */
- return perf_session__read_header_v2(session, &header);
+ /* read version specific data */
+ if (ph->version <= PERF_HEADER_VERSION_2)
+ return perf_session__read_header_v2(session, &header);
+
+ return perf_session__read_header_v3(session, &header);
}
int perf_session__read_header(struct perf_session *session)
--
1.7.11.7
next prev parent reply other threads:[~2013-09-01 10:40 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-01 10:36 [PATCHv2 00/25] perf tool: Add support for multiple data file storage Jiri Olsa
2013-09-01 10:36 ` [PATCH 01/25] perf tools: Check mmap pages value early Jiri Olsa
2013-10-15 5:24 ` [tip:perf/core] " tip-bot for Jiri Olsa
2013-09-01 10:36 ` [PATCH 02/25] perf tools: Add possibility to specify mmap size Jiri Olsa
2013-10-15 5:25 ` [tip:perf/core] " tip-bot for Jiri Olsa
2013-09-01 10:36 ` [PATCH 03/25] perf tools: Introduce perf_evlist__new_default function Jiri Olsa
2013-10-15 5:25 ` [tip:perf/core] perf evlist: " tip-bot for Jiri Olsa
2013-09-01 10:36 ` [PATCH 04/25] perf tools: Adding throttle event data struct support Jiri Olsa
2013-10-15 5:25 ` [tip:perf/core] " tip-bot for Jiri Olsa
2013-09-01 10:36 ` [PATCH 05/25] perf tests: Add simple session read/write test Jiri Olsa
2013-09-01 10:36 ` [PATCH 06/25] perf tests: Add session reading test for little endian perf data Jiri Olsa
2013-09-01 10:36 ` [PATCH 07/25] perf tests: Add session reading test for big " Jiri Olsa
2013-09-01 10:36 ` [PATCH 08/25] perf doc: Add perf data file documentation Jiri Olsa
2013-09-01 10:36 ` [PATCH 09/25] perf tools: Introduce perf data file version CHECK macro Jiri Olsa
2013-09-01 10:36 ` [PATCH 10/25] perf tools: Introduce swap_features function Jiri Olsa
2013-09-01 10:36 ` [PATCH 11/25] perf tools: Introduce swap_header function Jiri Olsa
2013-09-01 10:36 ` [PATCH 12/25] perf tools: Separate version 2 specific perf data header bits Jiri Olsa
2013-09-01 10:36 ` [PATCH 13/25] perf tools: Using evlist as a holder for event_desc feature Jiri Olsa
2013-09-01 10:36 ` [PATCH 14/25] perf tools: Introduce perf.data version 3 format Jiri Olsa
2013-09-01 10:36 ` [PATCH 15/25] perf tools: Add perf data version 3 header swap Jiri Olsa
2013-09-01 10:36 ` Jiri Olsa [this message]
2013-09-01 10:36 ` [PATCH 17/25] perf tools: Add perf.data version 3 header write Jiri Olsa
2013-09-01 10:36 ` [PATCH 18/25] perf tools: Get rid of post_processing_offset in record command Jiri Olsa
2013-09-01 10:36 ` [PATCH 19/25] perf tools: Move synthesizing into single function Jiri Olsa
2013-09-01 10:36 ` [PATCH 20/25] perf tools: Add perf_data_file__open interface to data object Jiri Olsa
2013-09-01 10:36 ` [PATCH 21/25] perf tools: Separating data file properties from session Jiri Olsa
2013-09-01 10:36 ` [PATCH 22/25] perf tests: Add session reading test for little endian perf data v3 Jiri Olsa
2013-09-01 10:36 ` [PATCH 23/25] perf tests: Add session reading test for big " Jiri Olsa
2013-09-01 10:36 ` [PATCH 24/25] perf tools: Add multi file '-M' option for record command Jiri Olsa
2013-09-02 7:52 ` Adrian Hunter
2013-09-02 8:37 ` Jiri Olsa
2013-09-02 9:11 ` Adrian Hunter
2013-09-02 9:40 ` Jiri Olsa
2013-09-01 10:36 ` [PATCH 25/25] perf tools: Have the process properly sythesized in subsequent data files Jiri Olsa
2013-09-02 2:42 ` [PATCHv2 00/25] perf tool: Add support for multiple data file storage Andi Kleen
2013-09-09 11:17 ` Peter Zijlstra
2013-09-09 11:36 ` Jiri Olsa
2013-09-09 11:55 ` Peter Zijlstra
2013-09-09 14:03 ` Jiri Olsa
2013-09-09 14:11 ` David Ahern
2013-09-09 14:31 ` Jiri Olsa
2013-09-09 15:03 ` David Ahern
2013-09-14 18:32 ` David Ahern
2013-09-09 16:06 ` Ingo Molnar
2013-09-10 17:29 ` David Ahern
2013-09-10 6:54 ` Adrian Hunter
2013-09-10 9:15 ` Peter Zijlstra
2013-09-10 8:57 ` Namhyung Kim
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