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#!/bin/bash
# perf timechart tests
# SPDX-License-Identifier: GPL-2.0
set -e
err=0
perfdata=$(mktemp /tmp/__perf_timechart_test.perf.data.XXXXX)
output=$(mktemp /tmp/__perf_timechart_test.output.XXXXX.svg)
cleanup() {
rm -f "${perfdata}"
rm -f "${output}"
trap - EXIT TERM INT
}
trap_cleanup() {
echo "Unexpected signal in ${FUNCNAME[1]}"
cleanup
exit 1
}
trap trap_cleanup EXIT TERM INT
test_timechart() {
echo "Basic perf timechart test"
# Try to record timechart data.
# perf timechart record uses system-wide recording and specific tracepoints.
# If it fails (e.g. permissions, missing tracepoints), skip the test.
if ! perf timechart record -o "${perfdata}" true > /dev/null 2>&1; then
echo "Basic perf timechart test [Skipped: perf timechart record failed (permissions/events?)]"
return
fi
# Generate the timechart
if ! perf timechart -i "${perfdata}" -o "${output}" > /dev/null 2>&1; then
echo "Basic perf timechart test [Failed: perf timechart command failed]"
err=1
return
fi
# Check if output file exists and is not empty
if [ ! -s "${output}" ]; then
echo "Basic perf timechart test [Failed: output file is empty or missing]"
err=1
return
fi
# Check if it looks like an SVG
if ! grep -q "svg" "${output}"; then
echo "Basic perf timechart test [Failed: output doesn't look like SVG]"
err=1
return
fi
echo "Basic perf timechart test [Success]"
}
if ! perf check feature -q libtraceevent ; then
echo "perf timechart is not supported. Skip."
cleanup
exit 2
fi
test_timechart
cleanup
exit $err
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