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authorIan Rogers <irogers@google.com>2023-04-07 22:44:55 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-04-10 19:15:48 -0300
commit4228df84f952ff12540510a5c6cd00e976d992ab (patch)
tree71eb4b75cb50410d20d5e24edccbe2b2f88d18d4 /tools
parent220368293a010d39fe41f130b99b666394034b08 (diff)
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: Ian 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: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/builtin-stat.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 38133afda7fc..40770926a230 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -2272,8 +2272,10 @@ int cmd_stat(int argc, const char **argv)
perror("failed to create output file");
return -1;
}
- clock_gettime(CLOCK_REALTIME, &tm);
- fprintf(output, "# started on %s\n", ctime(&tm.tv_sec));
+ 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);