projects/linux·blob master · refs

73 lines · 1.6 KiB

1#!/bin/bash
2# perf timechart tests
3# SPDX-License-Identifier: GPL-2.0
4
5set -e
6
7err=0
8perfdata=$(mktemp /tmp/__perf_timechart_test.perf.data.XXXXX)
9output=$(mktemp /tmp/__perf_timechart_test.output.XXXXX.svg)
10
11cleanup() {
12 rm -f "${perfdata}"*
13 rm -f "${output}"
14 trap - EXIT TERM INT
15}
16
17trap_cleanup() {
18 echo "Unexpected signal in ${FUNCNAME[1]}"
19 cleanup
20 exit 1
21}
22trap trap_cleanup EXIT TERM INT
23
24test_timechart() {
25 NAME=$1
26 OPTION=$2
27
28 echo "perf timechart ${NAME} test"
29
30 # Try to record timechart data.
31 # perf timechart record uses system-wide recording and specific tracepoints.
32 # If it fails (e.g. permissions, missing tracepoints), skip the test.
33 if ! perf timechart record -o "${perfdata}" ${OPTION} true > /dev/null 2>&1; then
34 echo "perf timechart ${NAME} test [Skipped: perf timechart record failed (permissions/events?)]"
35 return
36 fi
37
38 # Generate the timechart
39 if ! perf timechart -i "${perfdata}" -o "${output}" > /dev/null 2>&1; then
40 echo "perf timechart ${NAME} test [Failed: perf timechart command failed]"
41 err=1
42 return
43 fi
44
45 # Check if output file exists and is not empty
46 if [ ! -s "${output}" ]; then
47 echo "perf timechart ${NAME} test [Failed: output file is empty or missing]"
48 err=1
49 return
50 fi
51
52 # Check if it looks like an SVG
53 if ! grep -q "svg" "${output}"; then
54 echo "perf timechart ${NAME} test [Failed: output doesn't look like SVG]"
55 err=1
56 return
57 fi
58
59 echo "perf timechart ${NAME} test [Success]"
60}
61
62if ! perf check feature -q libtraceevent ; then
63 echo "perf timechart is not supported. Skip."
64 cleanup
65 exit 2
66fi
67
68test_timechart "Basic" ""
69test_timechart "IO-only" "-I"
70test_timechart "Backtrace" "-g"
71
72cleanup
73exit $err