xref: /linux/tools/perf/tests/shell/stat+csv_output.sh (revision 34dc1baba215b826e454b8d19e4f24adbeb7d00d) 
1#!/bin/bash
2# perf stat CSV output linter
3# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
4# Tests various perf stat CSV output commands for the
5# correct number of fields and the CSV separator set to ','.
6
7set -e
8
9. "$(dirname $0)"/lib/stat_output.sh
10
11csv_sep=@
12
13stat_output=$(mktemp /tmp/__perf_test.stat_output.csv.XXXXX)
14
15cleanup() {
16  rm -f "${stat_output}"
17
18  trap - EXIT TERM INT
19}
20
21trap_cleanup() {
22  cleanup
23  exit 1
24}
25trap trap_cleanup EXIT TERM INT
26
27function commachecker()
28{
29	local -i cnt=0
30	local exp=0
31
32	case "$1"
33	in "--no-args")		exp=6
34	;; "--system-wide")	exp=6
35	;; "--event")		exp=6
36	;; "--interval")	exp=7
37	;; "--per-thread")	exp=7
38	;; "--system-wide-no-aggr")	exp=7
39				[ "$(uname -m)" = "s390x" ] && exp='^[6-7]$'
40	;; "--per-core")	exp=8
41	;; "--per-socket")	exp=8
42	;; "--per-node")	exp=8
43	;; "--per-die")		exp=8
44	;; "--per-cache")	exp=8
45	esac
46
47	while read line
48	do
49		# Ignore initial "started on" comment.
50		x=${line:0:1}
51		[ "$x" = "#" ] && continue
52		# Ignore initial blank line.
53		[ "$line" = "" ] && continue
54
55		# Count the number of commas
56		x=$(echo $line | tr -d -c $csv_sep)
57		cnt="${#x}"
58		# echo $line $cnt
59		[[ ! "$cnt" =~ $exp ]] && {
60			echo "wrong number of fields. expected $exp in $line" 1>&2
61			exit 1;
62		}
63	done < "${stat_output}"
64	return 0
65}
66
67perf_cmd="-x$csv_sep -o ${stat_output}"
68
69skip_test=$(check_for_topology)
70check_no_args "CSV" "$perf_cmd"
71check_system_wide "CSV" "$perf_cmd"
72check_interval "CSV" "$perf_cmd"
73check_event "CSV" "$perf_cmd"
74check_per_thread "CSV" "$perf_cmd"
75check_per_node "CSV" "$perf_cmd"
76if [ $skip_test -ne 1 ]
77then
78	check_system_wide_no_aggr "CSV" "$perf_cmd"
79	check_per_core "CSV" "$perf_cmd"
80	check_per_cache_instance "CSV" "$perf_cmd"
81	check_per_die "CSV" "$perf_cmd"
82	check_per_socket "CSV" "$perf_cmd"
83else
84	echo "[Skip] Skipping tests for system_wide_no_aggr, per_core, per_die and per_socket since socket id exposed via topology is invalid"
85fi
86cleanup
87exit 0
88