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c940a66b3a
Previously "set -e" meant any non-zero exit code from perf stat would cause a test failure. As a non-zero exit happens when there aren't sufficient permissions, check for this case and make the exit code 2/skip for it. Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Veronika Molnarova <vmolnaro@redhat.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Link: https://lore.kernel.org/r/20240502223115.2357499-1-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
48 lines
1,016 B
Bash
Executable file
48 lines
1,016 B
Bash
Executable file
#!/bin/bash
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# perf all metricgroups test
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# SPDX-License-Identifier: GPL-2.0
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ParanoidAndNotRoot()
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{
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[ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ]
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}
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system_wide_flag="-a"
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if ParanoidAndNotRoot 0
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then
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system_wide_flag=""
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fi
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err=0
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for m in $(perf list --raw-dump metricgroups)
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do
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echo "Testing $m"
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result=$(perf stat -M "$m" $system_wide_flag sleep 0.01 2>&1)
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result_err=$?
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if [[ $result_err -gt 0 ]]
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then
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if [[ "$result" =~ \
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"Access to performance monitoring and observability operations is limited" ]]
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then
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echo "Permission failure"
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echo $result
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if [[ $err -eq 0 ]]
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then
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err=2 # Skip
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fi
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elif [[ "$result" =~ "in per-thread mode, enable system wide" ]]
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then
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echo "Permissions - need system wide mode"
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echo $result
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if [[ $err -eq 0 ]]
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then
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err=2 # Skip
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fi
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else
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echo "Metric group $m failed"
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echo $result
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err=1 # Fail
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fi
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fi
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done
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exit $err
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