[Patch v5 5/6] perf tests: Add topdown events counting and sampling tests

Dapeng Mi
2024-09-13T05:21:25Z

Add counting and leader sampling tests to verify topdown events including
raw format can be reordered correctly.

Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
---
tools/perf/tests/shell/record.sh | 17 +++++++++++++++++
tools/perf/tests/shell/stat.sh | 6 ++++++
2 files changed, 23 insertions(+)

diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh
index 45baf7910640..8d6366d96883 100755
--- a/tools/perf/tests/shell/record.sh
+++ b/tools/perf/tests/shell/record.sh
@@ -255,6 +255,22 @@ test_leader_sampling() {
echo "Basic leader sampling test [Success]"
}

+test_topdown_leader_sampling() {
+ echo "Topdown leader sampling test"
+ if ! perf stat -e "{slots,topdown-retiring}" true 2> /dev/null
+ then
+ echo "Topdown leader sampling [Skipped event parsing failed]"
+ return
+ fi
+ if ! perf record -o "${perfdata}" -e "{instructions,slots,topdown-retiring}:S" true 2> /dev/null
+ then
+ echo "Topdown leader sampling [Failed topdown events not reordered correctly]"
+ err=1
+ return
+ fi
+ echo "Topdown leader sampling test [Success]"
+}
+
# raise the limit of file descriptors to minimum
if [[ $default_fd_limit -lt $min_fd_limit ]]; then
ulimit -Sn $min_fd_limit
@@ -267,6 +283,7 @@ test_workload
test_branch_counter
test_cgroup
test_leader_sampling
+test_topdown_leader_sampling

# restore the default value
ulimit -Sn $default_fd_limit
diff --git a/tools/perf/tests/shell/stat.sh b/tools/perf/tests/shell/stat.sh
index 3f1e67795490..092a7a2abcf8 100755
--- a/tools/perf/tests/shell/stat.sh
+++ b/tools/perf/tests/shell/stat.sh
@@ -79,6 +79,12 @@ test_topdown_groups() {
err=1
return
fi
+ if perf stat -e '{instructions,r400,r8000}' true 2>&1 | grep -E -q "<not supported>"
+ then
+ echo "Topdown event group test [Failed raw format slots not reordered first]"
+ err=1
+ return
+ fi
echo "Topdown event group test [Success]"
}

--
2.40.1