Commit 4228df84 authored by Ian Rogers's avatar Ian Rogers Committed by Arnaldo Carvalho de Melo
Browse files

perf stat: Don't write invalid "started on" comment for JSON output 



JSON files don't support comments. Disable the "started on" comment when
writing json output to file.

Signed-off-by: default avatarIan Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20230408054456.3001367-2-irogers@google.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 22036829

tools/perf/builtin-stat.c

+4 −2
Original line number Diff line number Diff line
@@ -2272,8 +2272,10 @@ int cmd_stat(int argc, const char **argv) 
			perror("failed to create output file");

			return -1;

		}

		if (!stat_config.json_output) {

			clock_gettime(CLOCK_REALTIME, &tm);

			fprintf(output, "# started on %s\n", ctime(&tm.tv_sec));

		}

	} else if (output_fd > 0) {

		mode = append_file ? "a" : "w";

		output = fdopen(output_fd, mode);