No need to use post_processing_offset variable now when
we know where the data starts.

Signed-off-by: Jiri Olsa <jo...@redhat.com>
Cc: Corey Ashford <cjash...@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: Ingo Molnar <mi...@elte.hu>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
Cc: Arnaldo Carvalho de Melo <a...@redhat.com>
Cc: Andi Kleen <a...@linux.intel.com>
Cc: David Ahern <dsah...@gmail.com>
---
 tools/perf/builtin-record.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index fdbcd51..4011698 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -75,7 +75,6 @@ struct perf_record {
        bool                    no_buildid;
        bool                    no_buildid_cache;
        long                    samples;
-       off_t                   post_processing_offset;
 };
 
 static void advance_output(struct perf_record *rec, size_t size)
@@ -249,15 +248,17 @@ out:
 
 static int process_buildids(struct perf_record *rec)
 {
-       u64 size = lseek(rec->output, 0, SEEK_CUR);
+       struct perf_session *session = rec->session;
+       u64 data_offset              = PERF_FILE_HEADER__DATA_OFFSET;
+       u64 size                     = session->header.data_size;
 
        if (size == 0)
                return 0;
 
        rec->session->fd = rec->output;
-       return __perf_session__process_events(rec->session, 
rec->post_processing_offset,
-                                             size - 
rec->post_processing_offset,
-                                             size, 
&build_id__mark_dso_hit_ops);
+       return __perf_session__process_events(session, data_offset,
+                                             size - data_offset, size,
+                                             &build_id__mark_dso_hit_ops);
 }
 
 static void perf_record__exit(int status, void *arg)
@@ -457,8 +458,6 @@ static int __cmd_record(struct perf_record *rec, int argc, 
const char **argv)
                goto out_delete_session;
        }
 
-       rec->post_processing_offset = lseek(output, 0, SEEK_CUR);
-
        machine = &session->machines.host;
 
        if (opts->pipe_output) {
-- 
1.7.11.7

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