diff options
Diffstat (limited to 'tools/perf/tests/shell/stat+std_output.sh')
-rwxr-xr-x | tools/perf/tests/shell/stat+std_output.sh | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/stat+std_output.sh b/tools/perf/tests/shell/stat+std_output.sh new file mode 100755 index 0000000000..fb2b10547a --- /dev/null +++ b/tools/perf/tests/shell/stat+std_output.sh @@ -0,0 +1,107 @@ +#!/bin/bash +# perf stat STD output linter +# SPDX-License-Identifier: GPL-2.0 +# Tests various perf stat STD output commands for +# default event and metricgroup + +set -e + +. "$(dirname $0)"/lib/stat_output.sh + +stat_output=$(mktemp /tmp/__perf_test.stat_output.std.XXXXX) + +event_name=(cpu-clock task-clock context-switches cpu-migrations page-faults stalled-cycles-frontend stalled-cycles-backend cycles instructions branches branch-misses) +event_metric=("CPUs utilized" "CPUs utilized" "/sec" "/sec" "/sec" "frontend cycles idle" "backend cycles idle" "GHz" "insn per cycle" "/sec" "of all branches") +skip_metric=("stalled cycles per insn" "tma_") + +cleanup() { + rm -f "${stat_output}" + + trap - EXIT TERM INT +} + +trap_cleanup() { + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +function commachecker() +{ + local prefix=1 + + case "$1" + in "--interval") prefix=2 + ;; "--per-thread") prefix=2 + ;; "--system-wide-no-aggr") prefix=2 + ;; "--per-core") prefix=3 + ;; "--per-socket") prefix=3 + ;; "--per-node") prefix=3 + ;; "--per-die") prefix=3 + ;; "--per-cache") prefix=3 + esac + + while read line + do + # Ignore initial "started on" comment. + x=${line:0:1} + [ "$x" = "#" ] && continue + # Ignore initial blank line. + [ "$line" = "" ] && continue + # Ignore "Performance counter stats" + x=${line:0:25} + [ "$x" = "Performance counter stats" ] && continue + # Ignore "seconds time elapsed" and break + [[ "$line" == *"time elapsed"* ]] && break + + main_body=$(echo $line | cut -d' ' -f$prefix-) + x=${main_body%#*} + [ "$x" = "" ] && continue + + # Skip metrics without event name + y=${main_body#*#} + for i in "${!skip_metric[@]}"; do + [[ "$y" == *"${skip_metric[$i]}"* ]] && break + done + [[ "$y" == *"${skip_metric[$i]}"* ]] && continue + + # Check default event + for i in "${!event_name[@]}"; do + [[ "$x" == *"${event_name[$i]}"* ]] && break + done + + [[ ! "$x" == *"${event_name[$i]}"* ]] && { + echo "Unknown event name in $line" 1>&2 + exit 1; + } + + # Check event metric if it exists + [[ ! "$main_body" == *"#"* ]] && continue + [[ ! "$main_body" == *"${event_metric[$i]}"* ]] && { + echo "wrong event metric. expected ${event_metric[$i]} in $line" 1>&2 + exit 1; + } + done < "${stat_output}" + return 0 +} + +perf_cmd="-o ${stat_output}" + +skip_test=$(check_for_topology) +check_no_args "STD" "$perf_cmd" +check_system_wide "STD" "$perf_cmd" +check_interval "STD" "$perf_cmd" +check_per_thread "STD" "$perf_cmd" +check_per_node "STD" "$perf_cmd" +if [ $skip_test -ne 1 ] +then + check_system_wide_no_aggr "STD" "$perf_cmd" + check_per_core "STD" "$perf_cmd" + check_per_cache_instance "STD" "$perf_cmd" + check_per_die "STD" "$perf_cmd" + check_per_socket "STD" "$perf_cmd" +else + echo "[Skip] Skipping tests for system_wide_no_aggr, per_core, per_die and per_socket since socket id exposed via topology is invalid" +fi +cleanup +exit 0 |