linux-kernel - [PATCH] perf stat: Add missing newline in pr

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Message-ID: <20230610094026.220687-1-yangjihong1@huawei.com>
Date:   Sat, 10 Jun 2023 09:40:26 +0000
From:   Yang Jihong <yangjihong1@...wei.com>
To:     <peterz@...radead.org>, <mingo@...hat.com>, <acme@...nel.org>,
        <mark.rutland@....com>, <alexander.shishkin@...ux.intel.com>,
        <jolsa@...nel.org>, <namhyung@...nel.org>, <irogers@...gle.com>,
        <adrian.hunter@...el.com>, <linux-perf-users@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <yangjihong1@...wei.com>
Subject: [PATCH] perf stat: Add missing newline in pr_error messages

The newline is missing for error messages in add_default_attributes()

Before:

  # perf stat --topdown
  Topdown requested but the topdown metric groups aren't present.
  (See perf list the metric groups have names like TopdownL1)#

After:

  # perf stat --topdown
  Topdown requested but the topdown metric groups aren't present.
  (See perf list the metric groups have names like TopdownL1)
  #

In addition, perf_stat_init_aggr_mode() and perf_stat_init_aggr_mode_file()
have the same problem, fixed by the way.

Signed-off-by: Yang Jihong <yangjihong1@...wei.com>
---
 tools/perf/builtin-stat.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index b9ad32f21e57..78644ae538c4 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1398,7 +1398,7 @@ static int perf_stat_init_aggr_mode(void)
 		stat_config.aggr_map = cpu_aggr_map__new(evsel_list->core.user_requested_cpus,
 							 get_id, /*data=*/NULL, needs_sort);
 		if (!stat_config.aggr_map) {
-			pr_err("cannot build %s map", aggr_mode__string[stat_config.aggr_mode]);
+			pr_err("cannot build %s map\n", aggr_mode__string[stat_config.aggr_mode]);
 			return -1;
 		}
 		stat_config.aggr_get_id = aggr_mode__get_id(stat_config.aggr_mode);
@@ -1650,7 +1650,7 @@ static int perf_stat_init_aggr_mode_file(struct perf_stat *st)
 	stat_config.aggr_map = cpu_aggr_map__new(evsel_list->core.user_requested_cpus,
 						 get_id, env, needs_sort);
 	if (!stat_config.aggr_map) {
-		pr_err("cannot build %s map", aggr_mode__string[stat_config.aggr_mode]);
+		pr_err("cannot build %s map\n", aggr_mode__string[stat_config.aggr_mode]);
 		return -1;
 	}
 	stat_config.aggr_get_id = aggr_mode__get_id_file(stat_config.aggr_mode);
@@ -1789,7 +1789,7 @@ static int add_default_attributes(void)
 		 * on an architecture test for such a metric name.
 		 */
 		if (!metricgroup__has_metric("transaction")) {
-			pr_err("Missing transaction metrics");
+			pr_err("Missing transaction metrics\n");
 			return -1;
 		}
 		return metricgroup__parse_groups(evsel_list, "transaction",
@@ -1805,7 +1805,7 @@ static int add_default_attributes(void)
 		int smi;
 
 		if (sysfs__read_int(FREEZE_ON_SMI_PATH, &smi) < 0) {
-			pr_err("freeze_on_smi is not supported.");
+			pr_err("freeze_on_smi is not supported.\n");
 			return -1;
 		}
 
@@ -1818,7 +1818,7 @@ static int add_default_attributes(void)
 		}
 
 		if (!metricgroup__has_metric("smi")) {
-			pr_err("Missing smi metrics");
+			pr_err("Missing smi metrics\n");
 			return -1;
 		}
 
@@ -1843,7 +1843,7 @@ static int add_default_attributes(void)
 
 		if (!max_level) {
 			pr_err("Topdown requested but the topdown metric groups aren't present.\n"
-				"(See perf list the metric groups have names like TopdownL1)");
+				"(See perf list the metric groups have names like TopdownL1)\n");
 			return -1;
 		}
 		if (stat_config.topdown_level > max_level) {
-- 
2.30.GIT