Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#!/bin/bash
2# perf pipe recording and injection test
3# SPDX-License-Identifier: GPL-2.0
4
5shelldir=$(dirname "$0")
6# shellcheck source=lib/perf_has_symbol.sh
7. "${shelldir}"/lib/perf_has_symbol.sh
8
9sym="noploop"
10
11skip_test_missing_symbol ${sym}
12
13data=$(mktemp /tmp/perf.data.XXXXXX)
14data2=$(mktemp /tmp/perf.data2.XXXXXX)
15prog="perf test -w noploop"
16err=0
17
18set -e
19
20cleanup() {
21 rm -rf "${data}"
22 rm -rf "${data}".old
23 rm -rf "${data2}"
24 rm -rf "${data2}".old
25
26 trap - EXIT TERM INT
27}
28
29trap_cleanup() {
30 echo "Unexpected signal in ${FUNCNAME[1]}"
31 cleanup
32 exit 1
33}
34trap trap_cleanup EXIT TERM INT
35
36test_record_report() {
37 echo
38 echo "Record+report pipe test"
39
40 task="perf"
41 if ! perf record -e task-clock:u -o - ${prog} | perf report -i - --task | grep -q ${task}
42 then
43 echo "Record+report pipe test [Failed - cannot find the test file in the perf report #1]"
44 err=1
45 return
46 fi
47
48 if ! perf record -g -e task-clock:u -o - ${prog} | perf report -i - --task | grep -q ${task}
49 then
50 echo "Record+report pipe test [Failed - cannot find the test file in the perf report #2]"
51 err=1
52 return
53 fi
54
55 perf record -g -e task-clock:u -o - ${prog} > ${data}
56 if ! perf report -i ${data} --task | grep -q ${task}
57 then
58 echo "Record+report pipe test [Failed - cannot find the test file in the perf report #3]"
59 err=1
60 return
61 fi
62
63 echo "Record+report pipe test [Success]"
64}
65
66test_inject_bids() {
67 inject_opt=$1
68
69 echo
70 echo "Inject ${inject_opt} build-ids test"
71
72 if ! perf record -e task-clock:u -o - ${prog} | perf inject ${inject_opt}| perf report -i - | grep -q ${sym}
73 then
74 echo "Inject build-ids test [Failed - cannot find noploop function in pipe #1]"
75 err=1
76 return
77 fi
78
79 if ! perf record -g -e task-clock:u -o - ${prog} | perf inject ${inject_opt} | perf report -i - | grep -q ${sym}
80 then
81 echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #2]"
82 err=1
83 return
84 fi
85
86 perf record -e task-clock:u -o - ${prog} | perf inject ${inject_opt} -o ${data}
87 if ! perf report -i ${data} | grep -q ${sym}; then
88 echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #3]"
89 err=1
90 return
91 fi
92
93 perf record -e task-clock:u -o ${data} ${prog}
94 if ! perf inject ${inject_opt} -i ${data} | perf report -i - | grep -q ${sym}; then
95 echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #4]"
96 err=1
97 return
98 fi
99
100 perf record -e task-clock:u -o - ${prog} > ${data}
101 if ! perf inject ${inject_opt} -i ${data} | perf report -i - | grep -q ${sym}; then
102 echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #5]"
103 err=1
104 return
105 fi
106
107 perf record -e task-clock:u -o - ${prog} > ${data}
108 perf inject ${inject_opt} -i ${data} -o ${data2}
109 if ! perf report -i ${data2} | grep -q ${sym}; then
110 echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #6]"
111 err=1
112 return
113 fi
114
115 echo "Inject ${inject_opt} build-ids test [Success]"
116}
117
118test_record_report
119test_inject_bids -B
120test_inject_bids -b
121test_inject_bids --buildid-all
122test_inject_bids --mmap2-buildid-all
123
124cleanup
125exit $err
126