Messages in this thread Patch in this message | | | Date | Sat, 18 Nov 2017 00:40:10 -0800 | From | tip-bot for Jiri Olsa <> | Subject | [tip:perf/core] perf evsel: Centralize perf_sample initialization |
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Commit-ID: 3ad31d8a0df257c3f18c989119359c1f25cd009d Gitweb: https://git.kernel.org/tip/3ad31d8a0df257c3f18c989119359c1f25cd009d Author: Jiri Olsa <jolsa@kernel.org> AuthorDate: Thu, 3 Aug 2017 16:07:05 +0200 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> 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 <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> --- 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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