blob: f1818fa6d9ce931c956d8383e07f764f6c4236dd [file] [log] [blame]
#!/bin/bash
# perf stat CSV output linter
# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
# Tests various perf stat CSV output commands for the
# correct number of fields and the CSV separator set to ','.
set -e
# shellcheck source=lib/stat_output.sh
. "$(dirname $0)"/lib/stat_output.sh
csv_sep=@
stat_output=$(mktemp /tmp/__perf_test.stat_output.csv.XXXXX)
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 exp=0
case "$1"
in "--no-args") exp=6
;; "--system-wide") exp=6
;; "--event") exp=6
;; "--interval") exp=7
;; "--per-thread") exp=7
;; "--system-wide-no-aggr") exp=7
[ "$(uname -m)" = "s390x" ] && exp='^[6-7]$'
;; "--per-core") exp=8
;; "--per-socket") exp=8
;; "--per-node") exp=8
;; "--per-die") exp=8
;; "--per-cache") exp=8
esac
while read line
do
# Ignore initial "started on" comment.
x=${line:0:1}
[ "$x" = "#" ] && continue
# Ignore initial blank line.
[ "$line" = "" ] && continue
# Count the number of commas
x=$(echo $line | tr -d -c $csv_sep)
cnt="${#x}"
# echo $line $cnt
[[ ! "$cnt" =~ $exp ]] && {
echo "wrong number of fields. expected $exp in $line" 1>&2
exit 1;
}
done < "${stat_output}"
return 0
}
perf_cmd="-x$csv_sep -o ${stat_output}"
skip_test=$(check_for_topology)
check_no_args "CSV" "$perf_cmd"
check_system_wide "CSV" "$perf_cmd"
check_interval "CSV" "$perf_cmd"
check_event "CSV" "$perf_cmd"
check_per_thread "CSV" "$perf_cmd"
check_per_node "CSV" "$perf_cmd"
if [ $skip_test -ne 1 ]
then
check_system_wide_no_aggr "CSV" "$perf_cmd"
check_per_core "CSV" "$perf_cmd"
check_per_cache_instance "CSV" "$perf_cmd"
check_per_die "CSV" "$perf_cmd"
check_per_socket "CSV" "$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