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authorJiri Olsa <jolsa@kernel.org>2017-08-03 16:07:05 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-11-16 14:50:08 -0300
commit3ad31d8a0df257c3f18c989119359c1f25cd009d (patch)
treedec3e4ac5de18f3e407ee8d270e952318b0890f5 /tools/perf/util/evsel.c
parent914eb9ca51117776d83e6761a1c555fb76f0ded2 (diff)
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 <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-1gv5t6fvv735t1rt3mxpy1h9@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evsel.c')
-rw-r--r--tools/perf/util/evsel.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index b8e9def77f44..03d7abcdc6b7 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;