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EDITING: test_task_analyzer.sh

#!/bin/bash
# perf script task-analyzer tests (exclusive)
# 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

# Disable lsan to avoid warnings about python memory leaks.
export ASAN_OPTIONS=detect_leaks=0

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 check feature -q libtraceevent && return 0
	return 2
}

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

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📁 base_probe/	DIR	—	2026-03-10 17:30
📁 base_report/	DIR	—	2026-03-10 17:30
📁 common/	DIR	—	2026-03-10 17:30
📁 coresight/	DIR	—	2026-03-10 17:30
📁 lib/	DIR	—	2026-03-10 17:30
📄 amd-ibs-swfilt.sh	SH	2.4 KB	2026-01-26 17:23	EDIT
📄 annotate.sh	SH	2.8 KB	2025-09-28 21:39	EDIT
📄 attr.sh	SH	385 B	2025-09-28 21:39	EDIT
📄 buildid.sh	SH	4.1 KB	2025-09-28 21:39	EDIT
📄 daemon.sh	SH	11.3 KB	2025-09-28 21:39	EDIT
📄 diff.sh	SH	1.9 KB	2025-09-28 21:39	EDIT
📄 drm_pmu.sh	SH	1.4 KB	2025-09-28 21:39	EDIT
📄 ftrace.sh	SH	2.2 KB	2025-09-28 21:39	EDIT
📄 header.sh	SH	1.3 KB	2025-09-28 21:39	EDIT
📄 list.sh	SH	758 B	2025-09-28 21:39	EDIT
📄 lock_contention.sh	SH	9.2 KB	2026-01-26 17:23	EDIT
📄 perf-report-hierarchy.sh	SH	763 B	2025-09-28 21:39	EDIT
📄 perftool-testsuite_probe.sh	SH	604 B	2025-09-28 21:39	EDIT
📄 perftool-testsuite_report.sh	SH	578 B	2025-09-28 21:39	EDIT
📄 pipe_test.sh	SH	3.2 KB	2025-09-28 21:39	EDIT
📄 probe_vfs_getname.sh	SH	507 B	2025-09-28 21:39	EDIT
📄 record+probe_libc_inet_pton.sh	SH	3.5 KB	2025-09-28 21:39	EDIT
📄 record+script_probe_vfs_getname.sh	SH	1.6 KB	2025-09-28 21:39	EDIT
📄 record+zstd_comp_decomp.sh	SH	1.1 KB	2025-09-28 21:39	EDIT
📄 record.sh	SH	10.6 KB	2025-09-28 21:39	EDIT
📄 record_bpf_filter.sh	SH	4.4 KB	2025-09-28 21:39	EDIT
📄 record_lbr.sh	SH	3.8 KB	2026-01-26 17:23	EDIT
📄 record_offcpu.sh	SH	4.4 KB	2025-09-28 21:39	EDIT
📄 record_sideband.sh	SH	1.1 KB	2025-09-28 21:39	EDIT
📄 sched.sh	SH	2 KB	2025-09-28 21:39	EDIT
📄 script.sh	SH	2 KB	2025-09-28 21:39	EDIT
📄 stat+csv_output.sh	SH	2.1 KB	2025-09-28 21:39	EDIT
📄 stat+csv_summary.sh	SH	613 B	2025-09-28 21:39	EDIT
📄 stat+event_uniquifying.sh	SH	1.8 KB	2026-01-26 17:23	EDIT
📄 stat+json_output.sh	SH	5.4 KB	2025-09-28 21:39	EDIT
📄 stat+shadow_stat.sh	SH	2.1 KB	2025-09-28 21:39	EDIT
📄 stat+std_output.sh	SH	3.2 KB	2025-09-28 21:39	EDIT
📄 stat.sh	SH	7.2 KB	2025-09-28 21:39	EDIT
📄 stat_all_metricgroups.sh	SH	1016 B	2025-09-28 21:39	EDIT
📄 stat_all_metrics.sh	SH	2.2 KB	2025-09-28 21:39	EDIT
📄 stat_all_pfm.sh	SH	1.2 KB	2025-09-28 21:39	EDIT
📄 stat_all_pmu.sh	SH	1.7 KB	2025-09-28 21:39	EDIT
📄 stat_bpf_counters.sh	SH	2 KB	2025-09-28 21:39	EDIT
📄 stat_bpf_counters_cgrp.sh	SH	1.7 KB	2025-09-28 21:39	EDIT
📄 stat_metrics_values.sh	SH	1007 B	2025-09-28 21:39	EDIT
📄 test_arm_callgraph_fp.sh	SH	1.2 KB	2025-09-28 21:39	EDIT
📄 test_arm_coresight.sh	SH	5.7 KB	2025-09-28 21:39	EDIT
📄 test_arm_coresight_disasm.sh	SH	2 KB	2025-09-28 21:39	EDIT
📄 test_arm_spe.sh	SH	3.7 KB	2025-09-28 21:39	EDIT
📄 test_arm_spe_fork.sh	SH	1 KB	2025-09-28 21:39	EDIT
📄 test_bpf_metadata.sh	SH	1.6 KB	2025-09-28 21:39	EDIT
📄 test_brstack.sh	SH	3.4 KB	2025-09-28 21:39	EDIT
📄 test_data_symbol.sh	SH	2.5 KB	2025-09-28 21:39	EDIT
📄 test_intel_pt.sh	SH	17.3 KB	2025-09-28 21:39	EDIT
📄 test_java_symbol.sh	SH	2 KB	2025-09-28 21:39	EDIT
📄 test_perf_data_converter_json.sh	SH	1.3 KB	2025-09-28 21:39	EDIT
📄 test_stat_intel_tpebs.sh	SH	1.8 KB	2025-09-28 21:39	EDIT
📄 test_task_analyzer.sh	SH	4.8 KB	2025-09-28 21:39	EDIT
📄 test_uprobe_from_different_cu.sh	SH	1.6 KB	2025-09-28 21:39	EDIT
📄 trace+probe_vfs_getname.sh	SH	1.5 KB	2025-09-28 21:39	EDIT
📄 trace_btf_enum.sh	SH	1.8 KB	2026-01-26 17:23	EDIT
📄 trace_btf_general.sh	SH	2.2 KB	2025-09-28 21:39	EDIT
📄 trace_exit_race.sh	SH	1.3 KB	2025-09-28 21:39	EDIT
📄 trace_record_replay.sh	SH	477 B	2025-09-28 21:39	EDIT
📄 trace_summary.sh	SH	2.1 KB	2025-09-28 21:39	EDIT