109 lines
2.8 KiB
Bash
109 lines
2.8 KiB
Bash
|
#!/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 -i cnt=0
|
||
|
|
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
|