diff options
Diffstat (limited to 'tools/perf/tests/shell/stat.sh')
| -rwxr-xr-x | tools/perf/tests/shell/stat.sh | 370 |
1 files changed, 331 insertions, 39 deletions
diff --git a/tools/perf/tests/shell/stat.sh b/tools/perf/tests/shell/stat.sh index 68323d636fb7..4edb04039036 100755 --- a/tools/perf/tests/shell/stat.sh +++ b/tools/perf/tests/shell/stat.sh @@ -1,10 +1,25 @@ -#!/bin/sh +#!/bin/bash # perf stat tests # SPDX-License-Identifier: GPL-2.0 set -e err=0 +stat_output=$(mktemp /tmp/perf-stat-test-output.XXXXX) + +cleanup() { + rm -f "${stat_output}" + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} + +trap trap_cleanup EXIT TERM INT + test_default_stat() { echo "Basic stat command test" if ! perf stat true 2>&1 | grep -E -q "Performance counter stats for 'true':" @@ -16,9 +31,46 @@ test_default_stat() { echo "Basic stat command test [Success]" } +test_null_stat() { + echo "Null stat command test" + if ! perf stat --null true 2>&1 | grep -E -q "Performance counter stats for 'true':" + then + echo "Null stat command test [Failed]" + err=1 + return + fi + echo "Null stat command test [Success]" +} + +find_offline_cpu() { + for i in $(seq 1 4096) + do + if [[ ! -f /sys/devices/system/cpu/cpu$i/online || \ + $(cat /sys/devices/system/cpu/cpu$i/online) == "0" ]] + then + echo $i + return + fi + done + echo "Failed to find offline CPU" + exit 1 +} + +test_offline_cpu_stat() { + cpu=$(find_offline_cpu) + echo "Offline CPU stat command test (cpu $cpu)" + if ! perf stat "-C$cpu" -e cycles true 2>&1 | grep -E -q "No supported events found." + then + echo "Offline CPU stat command test [Failed]" + err=1 + return + fi + echo "Offline CPU stat command test [Success]" +} + test_stat_record_report() { echo "stat record and report test" - if ! perf stat record -o - true | perf stat report -i - 2>&1 | \ + if ! perf stat record -e task-clock -o - true | perf stat report -i - 2>&1 | \ grep -E -q "Performance counter stats for 'pipe':" then echo "stat record and report test [Failed]" @@ -30,7 +82,7 @@ test_stat_record_report() { test_stat_record_script() { echo "stat record and script test" - if ! perf stat record -o - true | perf script -i - 2>&1 | \ + if ! perf stat record -e task-clock -o - true | perf script -i - 2>&1 | \ grep -E -q "CPU[[:space:]]+THREAD[[:space:]]+VAL[[:space:]]+ENA[[:space:]]+RUN[[:space:]]+TIME[[:space:]]+EVENT" then echo "stat record and script test [Failed]" @@ -67,43 +119,54 @@ test_topdown_groups() { echo "Topdown event group test [Skipped event parsing failed]" return fi - if perf stat -e '{slots,topdown-retiring}' true 2>&1 | grep -E -q "<not supported>" - then - echo "Topdown event group test [Failed events not supported]" - err=1 - return - fi - if perf stat -e 'instructions,topdown-retiring,slots' true 2>&1 | grep -E -q "<not supported>" - then - echo "Topdown event group test [Failed slots not reordered first in no-group case]" - err=1 - return - fi - if perf stat -e '{instructions,topdown-retiring,slots}' true 2>&1 | grep -E -q "<not supported>" - then - echo "Topdown event group test [Failed slots not reordered first in single group case]" - err=1 - return - fi - if perf stat -e '{instructions,slots},topdown-retiring' true 2>&1 | grep -E -q "<not supported>" - then - echo "Topdown event group test [Failed topdown metrics event not move into slots group]" - err=1 - return - fi - if perf stat -e '{instructions,slots},{topdown-retiring}' true 2>&1 | grep -E -q "<not supported>" - then - echo "Topdown event group test [Failed topdown metrics group not merge into slots group]" - err=1 - return - fi - if perf stat -e '{instructions,r400,r8000}' true 2>&1 | grep -E -q "<not supported>" + td_err=0 + do_topdown_group_test() { + events=$1 + failure=$2 + if perf stat -e "$events" true 2>&1 | grep -E -q "<not supported>" + then + echo "Topdown event group test [Failed $failure for '$events']" + td_err=1 + return + fi + } + do_topdown_group_test "{slots,topdown-retiring}" "events not supported" + do_topdown_group_test "{instructions,r400,r8000}" "raw format slots not reordered first" + filler_events=("instructions" "cycles" + "context-switches" "faults") + for ((i = 0; i < ${#filler_events[@]}; i+=2)) + do + filler1=${filler_events[i]} + filler2=${filler_events[i+1]} + do_topdown_group_test "$filler1,topdown-retiring,slots" \ + "slots not reordered first in no-group case" + do_topdown_group_test "slots,$filler1,topdown-retiring" \ + "topdown metrics event not reordered in no-group case" + do_topdown_group_test "{$filler1,topdown-retiring,slots}" \ + "slots not reordered first in single group case" + do_topdown_group_test "{$filler1,slots},topdown-retiring" \ + "topdown metrics event not move into slots group" + do_topdown_group_test "topdown-retiring,{$filler1,slots}" \ + "topdown metrics event not move into slots group last" + do_topdown_group_test "{$filler1,slots},{topdown-retiring}" \ + "topdown metrics group not merge into slots group" + do_topdown_group_test "{topdown-retiring},{$filler1,slots}" \ + "topdown metrics group not merge into slots group last" + do_topdown_group_test "{$filler1,slots},$filler2,topdown-retiring" \ + "non-adjacent topdown metrics group not move into slots group" + do_topdown_group_test "$filler2,topdown-retiring,{$filler1,slots}" \ + "non-adjacent topdown metrics group not move into slots group last" + do_topdown_group_test "{$filler1,slots},{$filler2,topdown-retiring}" \ + "metrics group not merge into slots group" + do_topdown_group_test "{$filler1,topdown-retiring},{$filler2,slots}" \ + "metrics group not merge into slots group last" + done + if test "$td_err" -eq 0 then - echo "Topdown event group test [Failed raw format slots not reordered first]" - err=1 - return + echo "Topdown event group test [Success]" + else + err="$td_err" fi - echo "Topdown event group test [Success]" } test_topdown_weak_groups() { @@ -185,7 +248,7 @@ test_hybrid() { fi # Run default Perf stat - cycles_events=$(perf stat -- true 2>&1 | grep -E "/cycles/[uH]*| cycles[:uH]* " -c) + cycles_events=$(perf stat -a -- sleep 0.1 2>&1 | grep -E "/cpu-cycles/[uH]*| cpu-cycles[:uH]* " | wc -l) # The expectation is that default output will have a cycles events on each # hybrid PMU. In situations with no cycles PMU events, like virtualized, this @@ -200,7 +263,229 @@ test_hybrid() { echo "hybrid test [Success]" } +test_stat_cpu() { + echo "stat -C <cpu> test" + # Test the full online CPU list (ranges and lists) + online_cpus=$(cat /sys/devices/system/cpu/online) + if ! perf stat -C "$online_cpus" -a true > "${stat_output}" 2>&1 + then + echo "stat -C <cpu> test [Failed - command failed for cpus $online_cpus]" + cat "${stat_output}" + err=1 + return + fi + + if ! grep -E -q "Performance counter stats for" "${stat_output}" + then + echo "stat -C <cpu> test [Failed - missing output for cpus $online_cpus]" + cat "${stat_output}" + err=1 + return + fi + + # Test each individual online CPU + for cpu_dir in /sys/devices/system/cpu/cpu[0-9]*; do + cpu=${cpu_dir##*/cpu} + # Check if online + if [ -f "$cpu_dir/online" ] && [ "$(cat "$cpu_dir/online")" -eq 0 ] + then + continue + fi + + if ! perf stat -C "$cpu" -a true > "${stat_output}" 2>&1 + then + echo "stat -C <cpu> test [Failed - command failed for cpu $cpu]" + cat "${stat_output}" + err=1 + return + fi + if ! grep -E -q "Performance counter stats for" "${stat_output}" + then + echo "stat -C <cpu> test [Failed - missing output for cpu $cpu]" + cat "${stat_output}" + err=1 + return + fi + done + + # Test synthetic list and range if cpu0 and cpu1 are online + c0_online=0 + c1_online=0 + if [ -d "/sys/devices/system/cpu/cpu0" ] + then + if [ ! -f "/sys/devices/system/cpu/cpu0/online" ] || [ "$(cat /sys/devices/system/cpu/cpu0/online)" -eq 1 ] + then + c0_online=1 + fi + fi + if [ -d "/sys/devices/system/cpu/cpu1" ] + then + if [ ! -f "/sys/devices/system/cpu/cpu1/online" ] || [ "$(cat /sys/devices/system/cpu/cpu1/online)" -eq 1 ] + then + c1_online=1 + fi + fi + + if [ $c0_online -eq 1 ] && [ $c1_online -eq 1 ] + then + # Test list "0,1" + if ! perf stat -C "0,1" -a true > "${stat_output}" 2>&1 + then + echo "stat -C <cpu> test [Failed - command failed for cpus 0,1]" + cat "${stat_output}" + err=1 + return + fi + if ! grep -E -q "Performance counter stats for" "${stat_output}" + then + echo "stat -C <cpu> test [Failed - missing output for cpus 0,1]" + cat "${stat_output}" + err=1 + return + fi + + # Test range "0-1" + if ! perf stat -C "0-1" -a true > "${stat_output}" 2>&1 + then + echo "stat -C <cpu> test [Failed - command failed for cpus 0-1]" + cat "${stat_output}" + err=1 + return + fi + if ! grep -E -q "Performance counter stats for" "${stat_output}" + then + echo "stat -C <cpu> test [Failed - missing output for cpus 0-1]" + cat "${stat_output}" + err=1 + return + fi + fi + + echo "stat -C <cpu> test [Success]" +} + +test_stat_no_aggr() { + echo "stat -A test" + if ! perf stat -A -a true > "${stat_output}" 2>&1 + then + echo "stat -A test [Failed - command failed]" + cat "${stat_output}" + err=1 + return + fi + + if ! grep -E -q "CPU" "${stat_output}" + then + echo "stat -A test [Failed - missing CPU column]" + cat "${stat_output}" + err=1 + return + fi + echo "stat -A test [Success]" +} + +test_stat_detailed() { + echo "stat -d test" + if ! perf stat -d true > "${stat_output}" 2>&1 + then + echo "stat -d test [Failed - command failed]" + cat "${stat_output}" + err=1 + return + fi + + if ! grep -E -q "Performance counter stats" "${stat_output}" + then + echo "stat -d test [Failed - missing output]" + cat "${stat_output}" + err=1 + return + fi + + if ! perf stat -dd true > "${stat_output}" 2>&1 + then + echo "stat -dd test [Failed - command failed]" + cat "${stat_output}" + err=1 + return + fi + + if ! grep -E -q "Performance counter stats" "${stat_output}" + then + echo "stat -dd test [Failed - missing output]" + cat "${stat_output}" + err=1 + return + fi + + if ! perf stat -ddd true > "${stat_output}" 2>&1 + then + echo "stat -ddd test [Failed - command failed]" + cat "${stat_output}" + err=1 + return + fi + + if ! grep -E -q "Performance counter stats" "${stat_output}" + then + echo "stat -ddd test [Failed - missing output]" + cat "${stat_output}" + err=1 + return + fi + + echo "stat -d test [Success]" +} + +test_stat_repeat() { + echo "stat -r test" + if ! perf stat -r 2 true > "${stat_output}" 2>&1 + then + echo "stat -r test [Failed - command failed]" + cat "${stat_output}" + err=1 + return + fi + + if ! grep -E -q "\([[:space:]]*\+-.*%[[:space:]]*\)" "${stat_output}" + then + echo "stat -r test [Failed - missing variance]" + cat "${stat_output}" + err=1 + return + fi + echo "stat -r test [Success]" +} + +test_stat_pid() { + echo "stat -p test" + sleep 1 & + pid=$! + if ! perf stat -p $pid > "${stat_output}" 2>&1 + then + echo "stat -p test [Failed - command failed]" + cat "${stat_output}" + err=1 + kill $pid 2>/dev/null || true + wait $pid 2>/dev/null || true + return + fi + + if ! grep -E -q "Performance counter stats" "${stat_output}" + then + echo "stat -p test [Failed - missing output]" + cat "${stat_output}" + err=1 + else + echo "stat -p test [Success]" + fi + kill $pid 2>/dev/null || true + wait $pid 2>/dev/null || true +} + test_default_stat +test_null_stat +test_offline_cpu_stat test_stat_record_report test_stat_record_script test_stat_repeat_weak_groups @@ -208,4 +493,11 @@ test_topdown_groups test_topdown_weak_groups test_cputype test_hybrid +test_stat_cpu +test_stat_no_aggr +test_stat_detailed +test_stat_repeat +test_stat_pid + +cleanup exit $err |