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| author | Ian Rogers <irogers@google.com> | 2025-06-27 18:55:53 -0700 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2025-06-30 09:11:39 -0700 |
| commit | 5ceedc09f27f87a6adc00d522b06dcce990a1986 (patch) | |
| tree | b3b83c8efea58bbef2e2d5ae15c3faaeaa21d29f | |
| parent | bb986e4720009da4221aeeeed7dec3f56d96502c (diff) | |
perf test: Add basic callgraph test to record testing
Give some basic perf record callgraph coverage.
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: James Clark <james.clark@linaro.org>
Tested-by: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20250628015553.1270748-1-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
| -rwxr-xr-x | tools/perf/tests/shell/record.sh | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh index 2022a4f739be..b1ad24fb3b33 100755 --- a/tools/perf/tests/shell/record.sh +++ b/tools/perf/tests/shell/record.sh @@ -12,8 +12,10 @@ shelldir=$(dirname "$0") . "${shelldir}"/lib/perf_has_symbol.sh testsym="test_loop" +testsym2="brstack" skip_test_missing_symbol ${testsym} +skip_test_missing_symbol ${testsym2} err=0 perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) @@ -359,6 +361,33 @@ test_precise_max() { fi } +test_callgraph() { + echo "Callgraph test" + + case $(uname -m) + in s390x) + cmd_flags="--call-graph dwarf -e cpu-clock";; + *) + cmd_flags="-g";; + esac + + if ! perf record -o "${perfdata}" $cmd_flags perf test -w brstack + then + echo "Callgraph test [Failed missing output]" + err=1 + return + fi + + if ! perf report -i "${perfdata}" 2>&1 | grep "${testsym2}" + then + echo "Callgraph test [Failed missing symbol]" + err=1 + return + fi + + echo "Callgraph test [Success]" +} + # raise the limit of file descriptors to minimum if [[ $default_fd_limit -lt $min_fd_limit ]]; then ulimit -Sn $min_fd_limit @@ -374,6 +403,7 @@ test_uid test_leader_sampling test_topdown_leader_sampling test_precise_max +test_callgraph # restore the default value ulimit -Sn $default_fd_limit |