| #!/bin/bash |
| # perf all metrics test |
| # SPDX-License-Identifier: GPL-2.0 |
| |
| ParanoidAndNotRoot() |
| { |
| [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ] |
| } |
| |
| test_prog="true" |
| system_wide_flag="-a" |
| if ParanoidAndNotRoot 0 |
| then |
| system_wide_flag="" |
| test_prog="perf test -w noploop 0.01" |
| fi |
| |
| check_metric() { |
| local output="$1" |
| local status="$2" |
| local metric="$3" |
| |
| if [[ $status -ne 0 || ! "$output" =~ ${metric:0:50} ]]; then |
| return 1 |
| fi |
| |
| if [[ "$output" =~ "<not counted>" || "$output" =~ "<not supported>" ]]; then |
| return 1 |
| fi |
| |
| return 0 |
| } |
| |
| skip=0 |
| err=3 |
| for m in $(perf list --raw-dump metrics); do |
| echo "Testing $m" |
| result=$(perf stat -M "$m" $system_wide_flag -- $test_prog 2>&1) |
| result_err=$? |
| |
| if check_metric "$result" $result_err "$m"; then |
| if [[ "$err" -ne 1 ]] |
| then |
| err=0 |
| fi |
| continue |
| fi |
| |
| if [[ "$result" =~ "Access to performance monitoring and observability operations is limited" || \ |
| "$result" =~ "in per-thread mode, enable system wide" || \ |
| "$result" =~ "<not supported>" || \ |
| "$result" =~ "Cannot resolve IDs for" || \ |
| "$result" =~ "No supported events found" || \ |
| "$result" =~ "FP_ARITH" || \ |
| "$result" =~ "AMX" || \ |
| "$result" =~ "PMM" ]] |
| then |
| true |
| else |
| result=$(perf stat -M "$m" $system_wide_flag -- perf test -w noploop 0.1 2>&1) |
| result_err=$? |
| |
| if check_metric "$result" $result_err "$m"; then |
| if [[ "$err" -ne 1 ]] |
| then |
| err=0 |
| fi |
| continue |
| fi |
| fi |
| |
| # If retry also failed, determine if we skip, ignore, or fail |
| if [[ "$result" =~ "Access to performance monitoring and observability operations is limited" ]] |
| then |
| echo "[Skipped $m] Permission failure" |
| echo $result |
| if [[ $err -eq 0 ]] |
| then |
| skip=1 |
| fi |
| continue |
| elif [[ "$result" =~ "in per-thread mode, enable system wide" ]] |
| then |
| echo "[Skipped $m] Permissions - need system wide mode" |
| echo $result |
| if [[ $err -eq 0 ]] |
| then |
| skip=1 |
| fi |
| continue |
| elif [[ "$result" =~ "<not supported>" || \ |
| "$result" =~ "Cannot resolve IDs for" || \ |
| "$result" =~ "No supported events found" ]] |
| then |
| if [[ $(perf list --raw-dump $m) == "Default"* ]] |
| then |
| echo "[Ignored $m] failed but as a Default metric this can be expected" |
| echo $result |
| continue |
| fi |
| echo "[Skipped $m] Not supported events" |
| echo $result |
| if [[ $err -eq 0 ]] |
| then |
| skip=1 |
| fi |
| continue |
| elif [[ "$result" =~ "<not counted>" ]] |
| then |
| echo "[Skipped $m] Not counted events" |
| echo $result |
| if [[ $err -eq 0 ]] |
| then |
| skip=1 |
| fi |
| continue |
| elif [[ "$result" =~ "FP_ARITH" || "$result" =~ "AMX" ]] |
| then |
| echo "[Skipped $m] FP issues" |
| echo $result |
| if [[ $err -eq 0 ]] |
| then |
| skip=1 |
| fi |
| continue |
| elif [[ "$result" =~ "PMM" ]] |
| then |
| echo "[Skipped $m] Optane memory issues" |
| echo $result |
| if [[ $err -eq 0 ]] |
| then |
| skip=1 |
| fi |
| continue |
| fi |
| |
| echo "[Failed $m] has non-zero error '$result_err' or not printed/counted in:" |
| echo "$result" |
| err=1 |
| done |
| |
| # return SKIP only if no success returned |
| if [[ "$err" -eq 3 && "$skip" -eq 1 ]] |
| then |
| err=2 |
| fi |
| |
| exit "$err" |
