linux-kernel - [PATCH 5/8] perf test: Add system-wide mode in perf record tests

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Date:   Thu, 20 Oct 2022 10:26:40 -0700
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
Subject: [PATCH 5/8] perf test: Add system-wide mode in perf record tests

Add system wide recording test with the same pattern.  It'd skip the
test when it failes to run perf record.  For system-wide mode, it needs
to avoid build-id collection and synthesis because the test only cares
about the test program and kernel would generates necessary events as
the process starts.

Reviewed-by: Adrian Hunter <adrian.hunter@...el.com>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/tests/shell/record.sh | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh
index d1640d1daf2e..345764afb745 100755
--- a/tools/perf/tests/shell/record.sh
+++ b/tools/perf/tests/shell/record.sh
@@ -154,10 +154,31 @@ test_register_capture() {
   echo "Register capture test [Success]"
 }
 
+test_system_wide() {
+  echo "Basic --system-wide mode test"
+  if ! perf record -aB --synth=no -o "${perfdata}" ${testprog} 2> /dev/null
+  then
+    echo "System-wide record [Skipped not supported]"
+    if [ $err -ne 1 ]
+    then
+      err=2
+    fi
+    return
+  fi
+  if ! perf report -i "${perfdata}" -q | grep -q "${testsym}"
+  then
+    echo "System-wide record [Failed missing output]"
+    err=1
+    return
+  fi
+  echo "Basic --system-wide mode test [Success]"
+}
+
 build_test_program
 
 test_per_thread
 test_register_capture
+test_system_wide
 
 cleanup
 exit $err
-- 
2.38.0.135.g90850a2211-goog