blob: 26a51b48aee464e3b18938736872f3aa6f00cf70 [file] [log] [blame]
Ian Rogers6a973e22022-05-16 22:27:24 -07001#!/bin/sh
2# perf stat tests
3# SPDX-License-Identifier: GPL-2.0
4
5set -e
6
7err=0
8test_default_stat() {
9 echo "Basic stat command test"
10 if ! perf stat true 2>&1 | egrep -q "Performance counter stats for 'true':"
11 then
12 echo "Basic stat command test [Failed]"
13 err=1
14 return
15 fi
16 echo "Basic stat command test [Success]"
17}
18
Ian Rogers0dd97692022-05-18 20:20:02 -070019test_stat_record_report() {
20 echo "stat record and report test"
21 if ! perf stat record -o - true | perf stat report -i - 2>&1 | \
22 egrep -q "Performance counter stats for 'pipe':"
23 then
24 echo "stat record and report test [Failed]"
25 err=1
26 return
27 fi
28 echo "stat record and report test [Success]"
29}
30
Ian Rogers0c361c62022-08-22 14:33:52 -070031test_stat_repeat_weak_groups() {
32 echo "stat repeat weak groups test"
33 if ! perf stat -e '{cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles}' \
34 true 2>&1 | grep -q 'seconds time elapsed'
35 then
36 echo "stat repeat weak groups test [Skipped event parsing failed]"
37 return
38 fi
39 if ! perf stat -r2 -e '{cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles}:W' \
40 true > /dev/null 2>&1
41 then
42 echo "stat repeat weak groups test [Failed]"
43 err=1
44 return
45 fi
46 echo "stat repeat weak groups test [Success]"
47}
48
Ian Rogers6a973e22022-05-16 22:27:24 -070049test_topdown_groups() {
50 # Topdown events must be grouped with the slots event first. Test that
51 # parse-events reorders this.
52 echo "Topdown event group test"
53 if ! perf stat -e '{slots,topdown-retiring}' true > /dev/null 2>&1
54 then
55 echo "Topdown event group test [Skipped event parsing failed]"
56 return
57 fi
58 if perf stat -e '{slots,topdown-retiring}' true 2>&1 | egrep -q "<not supported>"
59 then
60 echo "Topdown event group test [Failed events not supported]"
61 err=1
62 return
63 fi
64 if perf stat -e '{topdown-retiring,slots}' true 2>&1 | egrep -q "<not supported>"
65 then
66 echo "Topdown event group test [Failed slots not reordered first]"
67 err=1
68 return
69 fi
70 echo "Topdown event group test [Success]"
71}
72
73test_topdown_weak_groups() {
74 # Weak groups break if the perf_event_open of multiple grouped events
75 # fails. Breaking a topdown group causes the events to fail. Test a very large
76 # grouping to see that the topdown events aren't broken out.
77 echo "Topdown weak groups test"
78 ok_grouping="{slots,topdown-bad-spec,topdown-be-bound,topdown-fe-bound,topdown-retiring},branch-instructions,branch-misses,bus-cycles,cache-misses,cache-references,cpu-cycles,instructions,mem-loads,mem-stores,ref-cycles,cache-misses,cache-references"
79 if ! perf stat --no-merge -e "$ok_grouping" true > /dev/null 2>&1
80 then
81 echo "Topdown weak groups test [Skipped event parsing failed]"
82 return
83 fi
84 group_needs_break="{slots,topdown-bad-spec,topdown-be-bound,topdown-fe-bound,topdown-retiring,branch-instructions,branch-misses,bus-cycles,cache-misses,cache-references,cpu-cycles,instructions,mem-loads,mem-stores,ref-cycles,cache-misses,cache-references}:W"
85 if perf stat --no-merge -e "$group_needs_break" true 2>&1 | egrep -q "<not supported>"
86 then
87 echo "Topdown weak groups test [Failed events not supported]"
88 err=1
89 return
90 fi
91 echo "Topdown weak groups test [Success]"
92}
93
94test_default_stat
Ian Rogers0dd97692022-05-18 20:20:02 -070095test_stat_record_report
Ian Rogers0c361c62022-08-22 14:33:52 -070096test_stat_repeat_weak_groups
Ian Rogers6a973e22022-05-16 22:27:24 -070097test_topdown_groups
98test_topdown_weak_groups
99exit $err