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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374#!/bin/bash# perf timechart tests# SPDX-License-Identifier: GPL-2.0
set -e
err=0perfdata=$(mktemp /tmp/__perf_timechart_test.perf.data.XXXXX)output=$(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() { NAME=$1 OPTION=$2
echo "perf timechart ${NAME} test"
# Try to record timechart data. # perf timechart record uses system-wide recording and specific tracepoints. # If it fails (e.g. permissions, missing tracepoints), skip the test. if ! perf timechart record -o "${perfdata}" ${OPTION} true > /dev/null 2>&1; then echo "perf timechart ${NAME} test [Skipped: perf timechart record failed (permissions/events?)]" return fi
# Generate the timechart if ! perf timechart -i "${perfdata}" -o "${output}" > /dev/null 2>&1; then echo "perf timechart ${NAME} test [Failed: perf timechart command failed]" err=1 return fi
# Check if output file exists and is not empty if [ ! -s "${output}" ]; then echo "perf timechart ${NAME} test [Failed: output file is empty or missing]" err=1 return fi
# Check if it looks like an SVG if ! grep -q "svg" "${output}"; then echo "perf timechart ${NAME} test [Failed: output doesn't look like SVG]" err=1 return fi
echo "perf timechart ${NAME} test [Success]"}
if ! perf check feature -q libtraceevent ; then echo "perf timechart is not supported. Skip." cleanup exit 2fi
test_timechart "Basic" ""test_timechart "IO-only" "-I"test_timechart "Backtrace" "-g"
cleanupexit $err