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