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 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 ${FUNCNAME[1]}"
19 cleanup
20 exit 1
21}
22trap trap_cleanup EXIT TERM INT
23
24test_timechart() {
25 echo "Basic perf timechart test"
26
27 # Try to record timechart data.
28 # perf timechart record uses system-wide recording and specific tracepoints.
29 # If it fails (e.g. permissions, missing tracepoints), skip the test.
30 if ! perf timechart record -o "${perfdata}" true > /dev/null 2>&1; then
31 echo "Basic perf timechart test [Skipped: perf timechart record failed (permissions/events?)]"
32 return
33 fi
34
35 # Generate the timechart
36 if ! perf timechart -i "${perfdata}" -o "${output}" > /dev/null 2>&1; then
37 echo "Basic perf timechart test [Failed: perf timechart command failed]"
38 err=1
39 return
40 fi
41
42 # Check if output file exists and is not empty
43 if [ ! -s "${output}" ]; then
44 echo "Basic perf timechart test [Failed: output file is empty or missing]"
45 err=1
46 return
47 fi
48
49 # Check if it looks like an SVG
50 if ! grep -q "svg" "${output}"; then
51 echo "Basic perf timechart test [Failed: output doesn't look like SVG]"
52 err=1
53 return
54 fi
55
56 echo "Basic perf timechart test [Success]"
57}
58
59if ! perf check feature -q libtraceevent ; then
60 echo "perf timechart is not supported. Skip."
61 cleanup
62 exit 2
63fi
64
65test_timechart
66cleanup
67exit $err