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