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#!/bin/bash
# perf script task-analyzer tests
# SPDX-License-Identifier: GPL-2.0
tmpdir=$(mktemp -d /tmp/perf-script-task-analyzer-XXXXX)
err=0
# set PERF_EXEC_PATH to find scripts in the source directory
perfdir=$(dirname "$0")/../..
if [ -e "$perfdir/scripts/python/Perf-Trace-Util" ]; then
export PERF_EXEC_PATH=$perfdir
fi
cleanup() {
rm -f perf.data
rm -f perf.data.old
rm -f csv
rm -f csvsummary
rm -rf "$tmpdir"
trap - exit term int
}
trap_cleanup() {
cleanup
exit 1
}
trap trap_cleanup exit term int
report() {
if [ "$1" = 0 ]; then
echo "PASS: \"$2\""
else
echo "FAIL: \"$2\" Error message: \"$3\""
err=1
fi
}
check_exec_0() {
if [ $? != 0 ]; then
report 1 "invocation of $1 command failed"
fi
}
find_str_or_fail() {
grep -q "$1" "$2"
if [ "$?" != 0 ]; then
report 1 "$3" "Failed to find required string:'${1}'."
else
report 0 "$3"
fi
}
# check if perf is compiled with libtraceevent support
skip_no_probe_record_support() {
perf version --build-options | grep -q " OFF .* HAVE_LIBTRACEEVENT" && return 2
return 0
}
prepare_perf_data() {
# 1s should be sufficient to catch at least some switches
perf record -e sched:sched_switch -a -- sleep 1 > /dev/null 2>&1
# check if perf data file got created in above step.
if [ ! -e "perf.data" ]; then
printf "FAIL: perf record failed to create \"perf.data\" \n"
return 1
fi
}
# check standard inkvokation with no arguments
test_basic() {
out="$tmpdir/perf.out"
perf script report task-analyzer > "$out"
check_exec_0 "perf script report task-analyzer"
find_str_or_fail "Comm" "$out" "${FUNCNAME[0]}"
}
test_ns_rename(){
out="$tmpdir/perf.out"
perf script report task-analyzer --ns --rename-comms-by-tids 0:random > "$out"
check_exec_0 "perf script report task-analyzer --ns --rename-comms-by-tids 0:random"
find_str_or_fail "Comm" "$out" "${FUNCNAME[0]}"
}
test_ms_filtertasks_highlight(){
out="$tmpdir/perf.out"
perf script report task-analyzer --ms --filter-tasks perf --highlight-tasks perf \
> "$out"
check_exec_0 "perf script report task-analyzer --ms --filter-tasks perf --highlight-tasks perf"
find_str_or_fail "Comm" "$out" "${FUNCNAME[0]}"
}
test_extended_times_timelimit_limittasks() {
out="$tmpdir/perf.out"
perf script report task-analyzer --extended-times --time-limit :99999 \
--limit-to-tasks perf > "$out"
check_exec_0 "perf script report task-analyzer --extended-times --time-limit :99999 --limit-to-tasks perf"
find_str_or_fail "Out-Out" "$out" "${FUNCNAME[0]}"
}
test_summary() {
out="$tmpdir/perf.out"
perf script report task-analyzer --summary > "$out"
check_exec_0 "perf script report task-analyzer --summary"
find_str_or_fail "Summary" "$out" "${FUNCNAME[0]}"
}
test_summaryextended() {
out="$tmpdir/perf.out"
perf script report task-analyzer --summary-extended > "$out"
check_exec_0 "perf script report task-analyzer --summary-extended"
find_str_or_fail "Inter Task Times" "$out" "${FUNCNAME[0]}"
}
test_summaryonly() {
out="$tmpdir/perf.out"
perf script report task-analyzer --summary-only > "$out"
check_exec_0 "perf script report task-analyzer --summary-only"
find_str_or_fail "Summary" "$out" "${FUNCNAME[0]}"
}
test_extended_times_summary_ns() {
out="$tmpdir/perf.out"
perf script report task-analyzer --extended-times --summary --ns > "$out"
check_exec_0 "perf script report task-analyzer --extended-times --summary --ns"
find_str_or_fail "Out-Out" "$out" "${FUNCNAME[0]}"
find_str_or_fail "Summary" "$out" "${FUNCNAME[0]}"
}
test_csv() {
perf script report task-analyzer --csv csv > /dev/null
check_exec_0 "perf script report task-analyzer --csv csv"
find_str_or_fail "Comm;" csv "${FUNCNAME[0]}"
}
test_csv_extended_times() {
perf script report task-analyzer --csv csv --extended-times > /dev/null
check_exec_0 "perf script report task-analyzer --csv csv --extended-times"
find_str_or_fail "Out-Out;" csv "${FUNCNAME[0]}"
}
test_csvsummary() {
perf script report task-analyzer --csv-summary csvsummary > /dev/null
check_exec_0 "perf script report task-analyzer --csv-summary csvsummary"
find_str_or_fail "Comm;" csvsummary "${FUNCNAME[0]}"
}
test_csvsummary_extended() {
perf script report task-analyzer --csv-summary csvsummary --summary-extended \
>/dev/null
check_exec_0 "perf script report task-analyzer --csv-summary csvsummary --summary-extended"
find_str_or_fail "Out-Out;" csvsummary "${FUNCNAME[0]}"
}
skip_no_probe_record_support
err=$?
if [ $err -ne 0 ]; then
echo "WARN: Skipping tests. No libtraceevent support"
cleanup
exit $err
fi
prepare_perf_data
test_basic
test_ns_rename
test_ms_filtertasks_highlight
test_extended_times_timelimit_limittasks
test_summary
test_summaryextended
test_summaryonly
test_extended_times_summary_ns
test_csv
test_csvsummary
test_csv_extended_times
test_csvsummary_extended
cleanup
exit $err
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