| #!/bin/bash |
| # perf all metricgroups test |
| # SPDX-License-Identifier: GPL-2.0 |
| |
| ParanoidAndNotRoot() |
| { |
| [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ] |
| } |
| |
| system_wide_flag="-a" |
| if ParanoidAndNotRoot 0 |
| then |
| system_wide_flag="" |
| fi |
| err=0 |
| for m in $(perf list --raw-dump metricgroups) |
| do |
| echo "Testing $m" |
| result=$(perf stat -M "$m" $system_wide_flag sleep 0.01 2>&1) |
| result_err=$? |
| if [[ $result_err -gt 0 ]] |
| then |
| if [[ "$result" =~ \ |
| "Access to performance monitoring and observability operations is limited" ]] |
| then |
| echo "Permission failure" |
| echo $result |
| if [[ $err -eq 0 ]] |
| then |
| err=2 # Skip |
| fi |
| elif [[ "$result" =~ "in per-thread mode, enable system wide" ]] |
| then |
| echo "Permissions - need system wide mode" |
| echo $result |
| if [[ $err -eq 0 ]] |
| then |
| err=2 # Skip |
| fi |
| elif [[ "$m" == @(Default2|Default3|Default4) ]] |
| then |
| echo "Ignoring failures in $m that may contain unsupported legacy events" |
| else |
| echo "Metric group $m failed" |
| echo $result |
| err=1 # Fail |
| fi |
| fi |
| done |
| |
| exit $err |
