Commit-ID:  3ad31d8a0df257c3f18c989119359c1f25cd009d
Gitweb:     https://git.kernel.org/tip/3ad31d8a0df257c3f18c989119359c1f25cd009d
Author:     Jiri Olsa <[email protected]>
AuthorDate: Thu, 3 Aug 2017 16:07:05 +0200
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Thu, 16 Nov 2017 14:50:08 -0300

perf evsel: Centralize perf_sample initialization

Move the initialization bits into common place at the beginning of the
function.

Also removing some superfluous zero initialization for addr and
transaction, because we zero all the data at the top.

Signed-off-by: Jiri Olsa <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Wang Nan <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/util/evsel.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index b8e9def..03d7abc 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1983,6 +1983,8 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, 
union perf_event *event,
        data->stream_id = data->id = data->time = -1ULL;
        data->period = evsel->attr.sample_period;
        data->cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
+       data->id = -1ULL;
+       data->data_src = PERF_MEM_DATA_SRC_NONE;
 
        if (event->header.type != PERF_RECORD_SAMPLE) {
                if (!evsel->attr.sample_id_all)
@@ -2000,7 +2002,6 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, 
union perf_event *event,
        if (evsel->sample_size + sizeof(event->header) > event->header.size)
                return -EFAULT;
 
-       data->id = -1ULL;
        if (type & PERF_SAMPLE_IDENTIFIER) {
                data->id = *array;
                array++;
@@ -2030,7 +2031,6 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, 
union perf_event *event,
                array++;
        }
 
-       data->addr = 0;
        if (type & PERF_SAMPLE_ADDR) {
                data->addr = *array;
                array++;
@@ -2194,14 +2194,12 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, 
union perf_event *event,
                array++;
        }
 
-       data->data_src = PERF_MEM_DATA_SRC_NONE;
        if (type & PERF_SAMPLE_DATA_SRC) {
                OVERFLOW_CHECK_u64(array);
                data->data_src = *array;
                array++;
        }
 
-       data->transaction = 0;
        if (type & PERF_SAMPLE_TRANSACTION) {
                OVERFLOW_CHECK_u64(array);
                data->transaction = *array;

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