linux-kernel - [PATCH 3/6] perf test: Test record with --threads option

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue,  6 Sep 2022 23:46:42 -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>,
        linux-perf-users@...r.kernel.org,
        Adrian Hunter <adrian.hunter@...el.com>
Subject: [PATCH 3/6] perf test: Test record with --threads option

To verify per-thread mode is working with multi-thread recording.
Use two software events for testing to check event set-output handling.
Also update the cleanup routine because threads recording produces data
in a directory.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/tests/shell/record.sh | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh
index cea3c7b7e2cd..3331fb092654 100755
--- a/tools/perf/tests/shell/record.sh
+++ b/tools/perf/tests/shell/record.sh
@@ -11,8 +11,8 @@ testsym="test_loop"
 testopt="-D 3"
 
 cleanup() {
-  rm -f ${perfdata}
-  rm -f ${perfdata}.old
+  rm -rf ${perfdata}
+  rm -rf ${perfdata}.old
 
   if [ "${testprog}" != "true" ]; then
     rm -f ${testprog}
@@ -90,6 +90,19 @@ test_per_thread() {
     err=1
     return
   fi
+  if ! perf record -e cpu-clock,cs --per-thread --threads=core ${testopt} \
+    -o ${perfdata} ${testprog} 2> /dev/null
+  then
+    echo "Per-thread record with --threads [Failed]"
+    err=1
+    return
+  fi
+  if ! perf report -i ${perfdata} -q | egrep -q ${testsym}
+  then
+    echo "Per-thread record with --threads [Failed missing output]"
+    err=1
+    return
+  fi
   echo "Basic --per-thread mode test [Success]"
 }
 
-- 
2.37.2.789.g6183377224-goog