michael@0: function spin_loop()
michael@0: {
michael@0:     for (let i = 0; i < 10000; i++) ;
michael@0: }
michael@0: 
michael@0: function check_timing(label, count) {
michael@0:     if (count == -1) {
michael@0: 	print("TEST-UNEXPECTED-FAIL | TestPerf | " + label);
michael@0: 	throwError();
michael@0:     } else {
michael@0: 	print("TEST-PASS | TestPerf | " + label + " = " + count);
michael@0:     }
michael@0: }
michael@0: 
michael@0: var pm = new PerfMeasurement(PerfMeasurement.ALL);
michael@0: if (pm.eventsMeasured == 0) {
michael@0:     print("TEST-KNOWN-FAIL | perf-smoketest | stub, skipping test");
michael@0: } else {
michael@0:     pm.start();
michael@0:     spin_loop();
michael@0:     pm.stop();
michael@0: 
michael@0:     check_timing("cpu_cycles", pm.cpu_cycles);
michael@0:     check_timing("instructions", pm.instructions);
michael@0:     check_timing("cache_references", pm.cache_references);
michael@0:     check_timing("cache_misses", pm.cache_misses);
michael@0:     check_timing("branch_instructions", pm.branch_instructions);
michael@0:     check_timing("branch_misses", pm.branch_misses);
michael@0:     check_timing("bus_cycles", pm.bus_cycles);
michael@0:     check_timing("page_faults", pm.page_faults);
michael@0:     check_timing("major_page_faults", pm.major_page_faults);
michael@0:     check_timing("context_switches", pm.context_switches);
michael@0:     check_timing("cpu_migrations", pm.cpu_migrations);
michael@0: }