linux-kernel - [PATCH 08/11] perf stat: Fix condition in print

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Message-Id: <20221112032244.1077370-9-namhyung@kernel.org>
Date:   Fri, 11 Nov 2022 19:22:41 -0800
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-perf-users@...r.kernel.org,
        Kan Liang <kan.liang@...ux.intel.com>,
        Zhengjun Xing <zhengjun.xing@...ux.intel.com>,
        James Clark <james.clark@....com>
Subject: [PATCH 08/11] perf stat: Fix condition in print_interval()

The num_print_interval and config->interval_clear should be checked
together like other places like later in the function.  Otherwise,
the --interval-clear option could print the headers for the CSV or
JSON output unnecessarily.

Acked-by: Ian Rogers <irogers@...gle.com>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/util/stat-display.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index 03d58277e8d6..5f4fb0bd4037 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -902,8 +902,8 @@ static void print_interval(struct perf_stat_config *config,
 		sprintf(prefix, "{\"interval\" : %lu.%09lu}", (unsigned long)
 				 ts->tv_sec, ts->tv_nsec);
 
-	if ((num_print_interval == 0 && !config->csv_output && !config->json_output)
-			 || config->interval_clear) {
+	if ((num_print_interval == 0 || config->interval_clear) &&
+			!config->csv_output && !config->json_output) {
 		switch (config->aggr_mode) {
 		case AGGR_NODE:
 			fprintf(output, "#           time node   cpus");
-- 
2.38.1.493.g58b659f92b-goog