js/src/jit-test/tests/basic/perf-smoketest.js

   1 function spin_loop()
   2 {
   3     for (let i = 0; i < 10000; i++) ;
   4 }
   5
   6 function check_timing(label, count) {
   7     if (count == -1) {
   8         print("TEST-UNEXPECTED-FAIL | TestPerf | " + label);
   9         throwError();
  10     } else {
  11         print("TEST-PASS | TestPerf | " + label + " = " + count);
  12     }
  13 }
  14
  15 var pm = new PerfMeasurement(PerfMeasurement.ALL);
  16 if (pm.eventsMeasured == 0) {
  17     print("TEST-KNOWN-FAIL | perf-smoketest | stub, skipping test");
  18 } else {
  19     pm.start();
  20     spin_loop();
  21     pm.stop();
  22
  23     check_timing("cpu_cycles", pm.cpu_cycles);
  24     check_timing("instructions", pm.instructions);
  25     check_timing("cache_references", pm.cache_references);
  26     check_timing("cache_misses", pm.cache_misses);
  27     check_timing("branch_instructions", pm.branch_instructions);
  28     check_timing("branch_misses", pm.branch_misses);
  29     check_timing("bus_cycles", pm.bus_cycles);
  30     check_timing("page_faults", pm.page_faults);
  31     check_timing("major_page_faults", pm.major_page_faults);
  32     check_timing("context_switches", pm.context_switches);
  33     check_timing("cpu_migrations", pm.cpu_migrations);
  34 }