diff options
| author | Ian Rogers <irogers@google.com> | 2024-08-16 23:44:30 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2024-08-19 14:46:17 -0300 |
| commit | 2aebebb834e208344eeabcc4cacfc680026c8f6f (patch) | |
| tree | dfbd6c714df5165ab61c85887c6bd91b6129e183 /tools | |
| parent | 2518e13275ab9ea6b2540f828cf78b0280991f85 (diff) | |
perf synthetic-events: Avoid unnecessary memset
Make sure the memset of a synthesized event only zeros the necessary
tracing data part of the event, as a full event can be over 4kb in
size.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Anne Macedo <retpolanne@posteo.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Casey Chen <cachen@purestorage.com>
Cc: Chaitanya S Prakash <chaitanyas.prakash@arm.com>
Cc: Colin Ian King <colin.i.king@gmail.com>
Cc: Dominique Martinet <asmadeus@codewreck.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jann Horn <jannh@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sun Haiyong <sunhaiyong@loongson.cn>
Cc: Weilin Wang <weilin.wang@intel.com>
Cc: Yang Jihong <yangjihong1@huawei.com>
Cc: Yunseong Kim <yskelg@gmail.com>
Cc: Ze Gao <zegao2021@gmail.com>
Link: https://lore.kernel.org/r/20240817064442.2152089-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/synthetic-events.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c index 7f884d70de81..0a7f93ae76fb 100644 --- a/tools/perf/util/synthetic-events.c +++ b/tools/perf/util/synthetic-events.c @@ -2200,7 +2200,7 @@ int perf_event__synthesize_tracing_data(const struct perf_tool *tool, int fd, st if (!tdata) return -1; - memset(&ev, 0, sizeof(ev)); + memset(&ev, 0, sizeof(ev.tracing_data)); ev.tracing_data.header.type = PERF_RECORD_HEADER_TRACING_DATA; size = tdata->size; |