linux-kernel - [PATCH 2/5] perf stat: Add stat record+report test

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Date:   Wed, 18 May 2022 20:20:02 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Michael Petlan <mpetlan@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        James Clark <james.clark@....com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Quentin Monnet <quentin@...valent.com>,
        Dave Marchevsky <davemarchevsky@...com>,
        Zhengjun Xing <zhengjun.xing@...ux.intel.com>,
        Lv Ruyi <lv.ruyi@....com.cn>, linux-perf-users@...r.kernel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org
Cc:     Stephane Eranian <eranian@...gle.com>,
        Ian Rogers <irogers@...gle.com>
Subject: [PATCH 2/5] perf stat: Add stat record+report test

This would have caught:
https://lore.kernel.org/linux-perf-users/CAP-5=fWQR=sCuiSMktvUtcbOLidEpUJLCybVF6=BRvORcDOq+g@mail.gmail.com/

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/tests/shell/stat.sh | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tools/perf/tests/shell/stat.sh b/tools/perf/tests/shell/stat.sh
index c7894764d4a6..9313ef2739e0 100755
--- a/tools/perf/tests/shell/stat.sh
+++ b/tools/perf/tests/shell/stat.sh
@@ -16,6 +16,18 @@ test_default_stat() {
   echo "Basic stat command test [Success]"
 }
 
+test_stat_record_report() {
+  echo "stat record and report test"
+  if ! perf stat record -o - true | perf stat report -i - 2>&1 | \
+    egrep -q "Performance counter stats for 'pipe':"
+  then
+    echo "stat record and report test [Failed]"
+    err=1
+    return
+  fi
+  echo "stat record and report test [Success]"
+}
+
 test_topdown_groups() {
   # Topdown events must be grouped with the slots event first. Test that
   # parse-events reorders this.
@@ -62,6 +74,7 @@ test_topdown_weak_groups() {
 }
 
 test_default_stat
+test_stat_record_report
 test_topdown_groups
 test_topdown_weak_groups
 exit $err
-- 
2.36.1.124.g0e6072fb45-goog