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perf test: Add 'perf record cgroup' filtering test

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$ sudo ./perf test filtering -vv
   96: perf record sample filtering (by BPF) tests:
  --- start ---
  test child forked, pid 2966908
  Checking BPF-filter privilege
  Basic bpf-filter test
  Basic bpf-filter test [Success]
  Failing bpf-filter test
  Failing bpf-filter test [Success]
  Group bpf-filter test
  Group bpf-filter test [Success]
  Multiple bpf-filter test
  Multiple bpf-filter test [Success]
  Cgroup bpf-filter test
  Cgroup bpf-filter test [Success]
  ---- end(0) ----
   96: perf record sample filtering (by BPF) tests                     : Ok

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20240826221045.1202305-5-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2024-08-26 15:10:45 -07:00
committed by Arnaldo Carvalho de Melo
parent 91e88437d5
commit d56a4d56a2
1 changed files with 36 additions and 3 deletions
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tools/perf/tests/shell/record_bpf_filter.sh
+36 -3
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@@ -68,7 +68,7 @@ test_bpf_filter_fail() {
# 'cpu' requires PERF_SAMPLE_CPU flag
if ! perf record -e task-clock --filter 'cpu > 0' \
-o /dev/null true 2>&1 | grep PERF_SAMPLE_CPU
-o /dev/null true 2>&1 | grep -q PERF_SAMPLE_CPU
then
echo "Failing bpf-filter test [Failed forbidden CPU]"
err=1
@@ -98,7 +98,7 @@ test_bpf_filter_group() {
fi
if ! perf record -e task-clock --filter 'cpu > 0 || ip > 0' \
-o /dev/null true 2>&1 | grep PERF_SAMPLE_CPU
-o /dev/null true 2>&1 | grep -q PERF_SAMPLE_CPU
then
echo "Group bpf-filter test [Failed forbidden CPU]"
err=1
@@ -106,7 +106,7 @@ test_bpf_filter_group() {
fi
if ! perf record -e task-clock --filter 'period > 0 || code_pgsz > 4096' \
-o /dev/null true 2>&1 | grep PERF_SAMPLE_CODE_PAGE_SIZE
-o /dev/null true 2>&1 | grep -q PERF_SAMPLE_CODE_PAGE_SIZE
then
echo "Group bpf-filter test [Failed forbidden CODE_PAGE_SIZE]"
err=1
@@ -147,6 +147,35 @@ test_bpf_filter_multi() {
echo "Multiple bpf-filter test [Success]"
}
test_bpf_filter_cgroup() {
echo "Cgroup bpf-filter test"
if ! perf record -e task-clock --filter 'cgroup == /' \
-a --all-cgroups --synth=cgroup -o "${perfdata}" true 2> /dev/null
then
echo "Cgroup bpf-filter test [Skipped cgroup not supported]"
return
fi
# 'cgroup' requires PERF_SAMPLE_CGROUP flag
if ! perf record -e task-clock --filter 'cgroup == /' \
-o /dev/null true 2>&1 | grep -q PERF_SAMPLE_CGROUP
then
echo "Cgroup bpf-filter test [Failed CGROUP requires --all-cgroups]"
err=1
return
fi
if ! perf report -i "${perfdata}" -s cgroup -q | grep -q -F '100.00%'
then
echo "Cgroup bpf-filter test [Failed root cgroup does not have 100%]"
err=1
return
fi
echo "Cgroup bpf-filter test [Success]"
}
test_bpf_filter_priv
if [ $err = 0 ]; then
@@ -165,5 +194,9 @@ if [ $err = 0 ]; then
test_bpf_filter_multi
fi
if [ $err = 0 ]; then
test_bpf_filter_cgroup
fi
cleanup
exit $err