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Subject[tip:perf/core] perf header: Remove data_offset seek as it' s not needed
Commit-ID:  75211dbfabf1de3a42703f4d3cd6f6e047289d40
Gitweb: http://git.kernel.org/tip/75211dbfabf1de3a42703f4d3cd6f6e047289d40
Author: Jiri Olsa <jolsa@redhat.com>
AuthorDate: Wed, 17 Jul 2013 19:49:42 +0200
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 17 Jul 2013 16:46:17 -0300

perf header: Remove data_offset seek as it's not needed

Removing data_offset seek as it's not needed, because data are not read
by syscall but mmaped instead.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.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>
Link: http://lkml.kernel.org/r/1374083403-14591-3-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/header.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index b3f253f..035efe7 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2794,8 +2794,6 @@ int perf_session__read_header(struct perf_session *session)
perf_header__process_sections(header, fd, &session->pevent,
perf_file_section__process);

- lseek(fd, header->data_offset, SEEK_SET);
-
if (perf_evlist__prepare_tracepoint_events(session->evlist,
session->pevent))
goto out_delete_evlist;

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