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#!/bin/bash
# perf all PMU test (exclusive)
# SPDX-License-Identifier: GPL-2.0
set -e
err=0
result=""
trap_cleanup() {
echo "Unexpected signal in ${FUNCNAME[1]}"
echo "$result"
exit 1
}
trap trap_cleanup EXIT TERM INT
# Test all PMU events; however exclude parameterized ones (name contains '?')
for p in $(perf list --raw-dump pmu | sed 's/[[:graph:]]\+?[[:graph:]]\+[[:space:]]//g')
do
echo "Testing $p"
result=$(perf stat -e "$p" true 2>&1)
if echo "$result" | grep -q "$p"
then
# Event seen in output.
continue
fi
if echo "$result" | grep -q "<not supported>"
then
# Event not supported, so ignore.
continue
fi
if echo "$result" | grep -q "Access to performance monitoring and observability operations is limited."
then
# Access is limited, so ignore.
continue
fi
# We failed to see the event and it is supported. Possibly the workload was
# too small so retry with something longer.
result=$(perf stat -e "$p" perf bench internals synthesize 2>&1)
if echo "$result" | grep -q "$p"
then
# Event seen in output.
continue
fi
echo "Error: event '$p' not printed in:"
echo "$result"
err=1
done
trap - EXIT TERM INT
exit $err
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