1#!/bin/bash
  2# perf script task-analyzer tests
  3# SPDX-License-Identifier: GPL-2.0
  4
  5tmpdir=$(mktemp -d /tmp/perf-script-task-analyzer-XXXXX)
  6err=0
  7
  8# set PERF_EXEC_PATH to find scripts in the source directory
  9perfdir=$(dirname "$0")/../..
 10if [ -e "$perfdir/scripts/python/Perf-Trace-Util" ]; then
 11  export PERF_EXEC_PATH=$perfdir
 12fi
 13
 14cleanup() {
 15  rm -f perf.data
 16  rm -f perf.data.old
 17  rm -f csv
 18  rm -f csvsummary
 19  rm -rf "$tmpdir"
 20  trap - exit term int
 21}
 22
 23trap_cleanup() {
 24  cleanup
 25  exit 1
 26}
 27trap trap_cleanup exit term int
 28
 29report() {
 30	if [ "$1" = 0 ]; then
 31		echo "PASS: \"$2\""
 32	else
 33		echo "FAIL: \"$2\" Error message: \"$3\""
 34		err=1
 35	fi
 36}
 37
 38check_exec_0() {
 39	if [ $? != 0 ]; then
 40		report 1 "invocation of $1 command failed"
 41	fi
 42}
 43
 44find_str_or_fail() {
 45	grep -q "$1" "$2"
 46	if [ "$?" != 0 ]; then
 47		report 1 "$3" "Failed to find required string:'${1}'."
 48	else
 49		report 0 "$3"
 50	fi
 51}
 52
 53# check if perf is compiled with libtraceevent support
 54skip_no_probe_record_support() {
 55	perf version --build-options | grep -q " OFF .* HAVE_LIBTRACEEVENT" && return 2
 56	return 0
 57}
 58
 59prepare_perf_data() {
 60	# 1s should be sufficient to catch at least some switches
 61	perf record -e sched:sched_switch -a -- sleep 1 > /dev/null 2>&1
 62	# check if perf data file got created in above step.
 63	if [ ! -e "perf.data" ]; then
 64		printf "FAIL: perf record failed to create \"perf.data\" \n"
 65		return 1
 66	fi
 67}
 68
 69# check standard inkvokation with no arguments
 70test_basic() {
 71	out="$tmpdir/perf.out"
 72	perf script report task-analyzer > "$out"
 73	check_exec_0 "perf script report task-analyzer"
 74	find_str_or_fail "Comm" "$out" "${FUNCNAME[0]}"
 75}
 76
 77test_ns_rename(){
 78	out="$tmpdir/perf.out"
 79	perf script report task-analyzer --ns --rename-comms-by-tids 0:random > "$out"
 80	check_exec_0 "perf script report task-analyzer --ns --rename-comms-by-tids 0:random"
 81	find_str_or_fail "Comm" "$out" "${FUNCNAME[0]}"
 82}
 83
 84test_ms_filtertasks_highlight(){
 85	out="$tmpdir/perf.out"
 86	perf script report task-analyzer --ms --filter-tasks perf --highlight-tasks perf \
 87	> "$out"
 88	check_exec_0 "perf script report task-analyzer --ms --filter-tasks perf --highlight-tasks perf"
 89	find_str_or_fail "Comm" "$out" "${FUNCNAME[0]}"
 90}
 91
 92test_extended_times_timelimit_limittasks() {
 93	out="$tmpdir/perf.out"
 94	perf script report task-analyzer --extended-times --time-limit :99999 \
 95	--limit-to-tasks perf > "$out"
 96	check_exec_0 "perf script report task-analyzer --extended-times --time-limit :99999 --limit-to-tasks perf"
 97	find_str_or_fail "Out-Out" "$out" "${FUNCNAME[0]}"
 98}
 99
100test_summary() {
101	out="$tmpdir/perf.out"
102	perf script report task-analyzer --summary > "$out"
103	check_exec_0 "perf script report task-analyzer --summary"
104	find_str_or_fail "Summary" "$out" "${FUNCNAME[0]}"
105}
106
107test_summaryextended() {
108	out="$tmpdir/perf.out"
109	perf script report task-analyzer --summary-extended > "$out"
110	check_exec_0 "perf script report task-analyzer --summary-extended"
111	find_str_or_fail "Inter Task Times" "$out" "${FUNCNAME[0]}"
112}
113
114test_summaryonly() {
115	out="$tmpdir/perf.out"
116	perf script report task-analyzer --summary-only > "$out"
117	check_exec_0 "perf script report task-analyzer --summary-only"
118	find_str_or_fail "Summary" "$out" "${FUNCNAME[0]}"
119}
120
121test_extended_times_summary_ns() {
122	out="$tmpdir/perf.out"
123	perf script report task-analyzer --extended-times --summary --ns > "$out"
124	check_exec_0 "perf script report task-analyzer --extended-times --summary --ns"
125	find_str_or_fail "Out-Out" "$out" "${FUNCNAME[0]}"
126	find_str_or_fail "Summary" "$out" "${FUNCNAME[0]}"
127}
128
129test_csv() {
130	perf script report task-analyzer --csv csv > /dev/null
131	check_exec_0 "perf script report task-analyzer --csv csv"
132	find_str_or_fail "Comm;" csv "${FUNCNAME[0]}"
133}
134
135test_csv_extended_times() {
136	perf script report task-analyzer --csv csv --extended-times > /dev/null
137	check_exec_0 "perf script report task-analyzer --csv csv --extended-times"
138	find_str_or_fail "Out-Out;" csv "${FUNCNAME[0]}"
139}
140
141test_csvsummary() {
142	perf script report task-analyzer --csv-summary csvsummary > /dev/null
143	check_exec_0 "perf script report task-analyzer --csv-summary csvsummary"
144	find_str_or_fail "Comm;" csvsummary "${FUNCNAME[0]}"
145}
146
147test_csvsummary_extended() {
148	perf script report task-analyzer --csv-summary csvsummary --summary-extended \
149	>/dev/null
150	check_exec_0 "perf script report task-analyzer --csv-summary csvsummary --summary-extended"
151	find_str_or_fail "Out-Out;" csvsummary "${FUNCNAME[0]}"
152}
153
154skip_no_probe_record_support
155err=$?
156if [ $err -ne 0 ]; then
157	echo "WARN: Skipping tests. No libtraceevent support"
158	cleanup
159	exit $err
160fi
161prepare_perf_data
162test_basic
163test_ns_rename
164test_ms_filtertasks_highlight
165test_extended_times_timelimit_limittasks
166test_summary
167test_summaryextended
168test_summaryonly
169test_extended_times_summary_ns
170test_csv
171test_csvsummary
172test_csv_extended_times
173test_csvsummary_extended
174cleanup
175exit $err