perf stat: Fix multi-line metric output in JSON

When a metric produces more than one values, it missed to print the opening
bracket.

Fixes: ab6baaae27 ("perf stat: Fix JSON output in metric-only mode")
Reported-by: Weilin Wang <weilin.wang@intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Weilin Wang <weilin.wang@intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20221202190447.1588680-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2022-12-02 11:04:47 -08:00 committed by Arnaldo Carvalho de Melo
parent 113bb39642
commit 117195d9f8
1 changed files with 1 additions and 1 deletions

View File

@ -441,7 +441,7 @@ static void new_line_json(struct perf_stat_config *config, void *ctx)
{
struct outstate *os = ctx;
fputc('\n', os->fh);
fputs("\n{", os->fh);
if (os->prefix)
fprintf(os->fh, "%s", os->prefix);
aggr_printout(config, os->evsel, os->id, os->nr);