* Srikar Dronamraju <sri...@linux.vnet.ibm.com> [2019-12-04 19:14:58]:
> > > # perf stat -a -r 5 ./schbench > v5.4 v5.4 + patch > Latency percentiles (usec) Latency percentiles (usec) > 49.0000th: 47 50.0000th: 33 > 74.0000th: 64 75.0000th: 44 > 89.0000th: 76 90.0000th: 50 > 94.0000th: 83 95.0000th: 53 > *98.0000th: 103 *99.0000th: 57 > 98.5000th: 2124 99.5000th: 59 > 98.9000th: 7976 99.9000th: 83 > min=-1, max=10519 min=0, max=117 > Latency percentiles (usec) Latency percentiles (usec) > 49.0000th: 45 50.0000th: 34 > 74.0000th: 61 75.0000th: 45 > 89.0000th: 70 90.0000th: 52 > 94.0000th: 77 95.0000th: 56 > *98.0000th: 504 *99.0000th: 62 > 98.5000th: 4012 99.5000th: 64 > 98.9000th: 8168 99.9000th: 79 > min=-1, max=14500 min=0, max=123 > Latency percentiles (usec) Latency percentiles (usec) > 49.0000th: 48 50.0000th: 35 > 74.0000th: 65 75.0000th: 47 > 89.0000th: 76 90.0000th: 55 > 94.0000th: 82 95.0000th: 59 > *98.0000th: 1098 *99.0000th: 67 > 98.5000th: 3988 99.5000th: 71 > 98.9000th: 9360 99.9000th: 98 > min=-1, max=19283 min=0, max=137 > Latency percentiles (usec) Latency percentiles (usec) > 49.0000th: 46 50.0000th: 35 > 74.0000th: 63 75.0000th: 46 > 89.0000th: 73 90.0000th: 53 > 94.0000th: 78 95.0000th: 57 > *98.0000th: 113 *99.0000th: 63 > 98.5000th: 2316 99.5000th: 65 > 98.9000th: 7704 99.9000th: 83 > min=-1, max=17976 min=0, max=139 > Latency percentiles (usec) Latency percentiles (usec) > 49.0000th: 46 50.0000th: 34 > 74.0000th: 62 75.0000th: 46 > 89.0000th: 73 90.0000th: 53 > 94.0000th: 79 95.0000th: 57 > *98.0000th: 97 *99.0000th: 64 > 98.5000th: 1398 99.5000th: 70 > 98.9000th: 8136 99.9000th: 100 > min=-1, max=10008 min=0, max=142 > Just to be clear, since these are latency values, lesser number is better. -- Thanks and Regards Srikar Dronamraju