perf counter test improvements

jbush001 / NyuziProcessor

GPGPU microprocessor architecture

Apache License 2.0

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Closed jbush001 closed 6 years ago

jbush001 commented 6 years ago

In tests/core/perf_counters/

Some counters generate zero events with the test vectors: PERF_L2_WRITEBACK, PERF_STORE_ROLLBACK, PERF_ITLB_MISS, PERF_DCACHE_MISS, PERF_DTLB_MISS. Modify test so it generates these events.
Add a test to verify the counters continue to increase. Read them three times, with two invocations of the test function between.

jbush001 commented 6 years ago

I deleted this test in 4209ac27eb4c0056594fad654b34992d78e70527 because it was flaky.