linux-kernel - [tip: perf/core] perf test: Print if shell directory isn't present

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Date:   Thu, 19 Mar 2020 14:10:40 -0000
From:   "tip-bot2 for Ian Rogers" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Ian Rogers <irogers@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>, Leo Yan <leo.yan@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Stephane Eranian <eranian@...gle.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [tip: perf/core] perf test: Print if shell directory isn't present

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     b2bf6660709c3bdd92d7558f4aa3cf07c0b0dda8
Gitweb:        https://git.kernel.org/tip/b2bf6660709c3bdd92d7558f4aa3cf07c0b0dda8
Author:        Ian Rogers <irogers@...gle.com>
AuthorDate:    Thu, 12 Mar 2020 17:56:02 -07:00
Committer:     Arnaldo Carvalho de Melo <acme@...hat.com>
CommitterDate: Fri, 13 Mar 2020 15:43:43 -03:00

perf test: Print if shell directory isn't present

If the shell test directory isn't present the exit code will be 255 but
with no error messages printed. Add an error message.

Signed-off-by: Ian Rogers <irogers@...gle.com>
Acked-by: Jiri Olsa <jolsa@...nel.org>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Leo Yan <leo.yan@...aro.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lore.kernel.org/lkml/20200313005602.45236-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/tests/builtin-test.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 5f05db7..54d9516 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -543,8 +543,11 @@ static int run_shell_tests(int argc, const char *argv[], int i, int width)
 		return -1;
 
 	dir = opendir(st.dir);
-	if (!dir)
+	if (!dir) {
+		pr_err("failed to open shell test directory: %s\n",
+			st.dir);
 		return -1;
+	}
 
 	for_each_shell_test(dir, st.dir, ent) {
 		int curr = i++;