Some Intel TMA metrics compute a ratio that may divide by 0, which causes the metric not to print. This happens for metrics with FP_ARITH events. If we see these events in the result and would otherwise fail, then switch to a skip. Also, don't early exit when processing metrics. Reviewed-by: John Garry <john.garry@huawei.com> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20220201015858.1226914-2-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
28 lines
759 B
Bash
Executable file
28 lines
759 B
Bash
Executable file
#!/bin/sh
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# perf all metrics test
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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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for m in $(perf list --raw-dump metrics); do
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echo "Testing $m"
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result=$(perf stat -M "$m" true 2>&1)
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if [[ ! "$result" =~ "$m" ]] && [[ ! "$result" =~ "<not supported>" ]]; then
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# We failed to see the metric and the events are support. Possibly the
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# workload was too small so retry with something longer.
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result=$(perf stat -M "$m" perf bench internals synthesize 2>&1)
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if [[ ! "$result" =~ "$m" ]]; then
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echo "Metric '$m' not printed in:"
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echo "$result"
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if [[ "$result" =~ "FP_ARITH" && "$err" != "1" ]]; then
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echo "Skip, not fail, for FP issues"
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err=2
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else
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err=1
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fi
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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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