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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>
This commit is contained in:
Jiri Olsa 2013-07-17 19:49:42 +02:00 committed by Arnaldo Carvalho de Melo
parent d4339569a6
commit 75211dbfab
1 changed files with 0 additions and 2 deletions
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2
tools/perf/util/header.c
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@ -2794,8 +2794,6 @@ int perf_session__read_header(struct perf_session *session)
perf_header__process_sections(header, fd, &session->pevent, perf_header__process_sections(header, fd, &session->pevent,
perf_file_section__process); perf_file_section__process);
lseek(fd, header->data_offset, SEEK_SET);
if (perf_evlist__prepare_tracepoint_events(session->evlist, if (perf_evlist__prepare_tracepoint_events(session->evlist,
session->pevent)) session->pevent))
goto out_delete_evlist; goto out_delete_evlist;