Commit e3e7572f authored by Shang XiaoJing's avatar Shang XiaoJing Committed by Arnaldo Carvalho de Melo
Browse files

perf trace: Use zalloc() to save initialization of syscall_stats 



As most members of syscall_stats is set to 0 in thread__update_stats,
using zalloc() directly.

Signed-off-by: default avatarShang XiaoJing <shangxiaojing@huawei.com>
Acked-by: default avatarNamhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220908021141.27134-2-shangxiaojing@huawei.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent c581e46b

tools/perf/builtin-trace.c

+1 −4
Original line number Diff line number Diff line
@@ -2173,13 +2173,10 @@ static void thread__update_stats(struct thread *thread, struct thread_trace *ttr 


	stats = inode->priv;

	if (stats == NULL) {

		stats = malloc(sizeof(*stats));

		stats = zalloc(sizeof(*stats));

		if (stats == NULL)

			return;



		stats->nr_failures = 0;

		stats->max_errno   = 0;

		stats->errnos	   = NULL;

		init_stats(&stats->stats);

		inode->priv = stats;

	}