You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-27 - 08:50
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackcslot8.osadl.org (updated Sat Apr 27, 2024 00:48:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9519919017,136cyclictest0-21swapper/1700:15:249
9479916822,143cyclictest0-21swapper/1621:50:208
8869915931,127cyclictest0-21swapper/500:26:2227
8869915726,129cyclictest0-21swapper/521:39:3827
8829915723,79cyclictest0-21swapper/422:25:2226
882991572,116cyclictest0-21swapper/421:31:0826
8869915632,91cyclictest0-21swapper/522:55:1327
8869915628,127cyclictest0-21swapper/520:45:2627
9479915320,101cyclictest0-21swapper/1621:57:138
8869915326,90cyclictest0-21swapper/500:02:5127
8829915331,107cyclictest0-21swapper/400:32:3326
9169915266,32cyclictest151rcu_preempt22:42:473
8869915023,87cyclictest0-21swapper/522:42:0927
9519914917,83cyclictest0-21swapper/1723:43:029
9519914818,83cyclictest0-21swapper/1723:55:359
8869914722,29cyclictest0-21swapper/521:26:1727
8869914632,91cyclictest0-21swapper/523:45:0127
877991461,86cyclictest0-21swapper/323:45:4323
9479914523,121cyclictest0-21swapper/1623:08:538
9169914518,94cyclictest151rcu_preempt23:09:313
9479914421,94cyclictest0-21swapper/1623:46:168
904991430,86cyclictest0-21swapper/923:40:1531
916991424,128cyclictest0-21swapper/1123:20:173
882991420,106cyclictest0-21swapper/422:30:1426
916991410,87cyclictest0-21swapper/1121:00:113
904991410,89cyclictest0-21swapper/923:27:0831
877991410,84cyclictest0-21swapper/322:55:2923
9969913868,29cyclictest151rcu_preempt20:43:5016
9519913815,93cyclictest21666-21taskset21:50:479
904991380,83cyclictest0-21swapper/922:10:0931
8829913817,81cyclictest151rcu_preempt19:56:0126
8829913817,81cyclictest151rcu_preempt19:56:0126
10419913855,60cyclictest0-21swapper/3023:53:0724
10419913851,55cyclictest0-21swapper/3022:24:5624
9479913722,79cyclictest0-21swapper/1621:19:598
904991370,85cyclictest0-21swapper/922:59:2031
9109913618,98cyclictest0-21swapper/1023:10:202
886991360,85cyclictest0-21swapper/523:00:0727
989991355,73cyclictest149-21ksoftirqd/2220:00:0215
989991355,73cyclictest149-21ksoftirqd/2220:00:0115
9169913519,82cyclictest82-21ksoftirqd/1119:10:023
9109913514,120cyclictest7649-21taskset21:42:082
10299913553,65cyclictest0-21swapper/2821:45:2521
9049913446,58cyclictest0-21swapper/923:32:2931
10419913441,63cyclictest0-21swapper/3023:34:2624
10419913429,62cyclictest0-21swapper/3022:55:2424
989991336,43cyclictest0-21swapper/2219:55:1215
989991336,43cyclictest0-21swapper/2219:55:1115
9479913318,86cyclictest0-21swapper/1621:29:278
947991330,83cyclictest0-21swapper/1621:20:238
10419913347,58cyclictest0-21swapper/3022:29:1324
996991325,77cyclictest0-21swapper/2323:05:2716
9479913223,66cyclictest0-21swapper/1621:45:158
9479913217,93cyclictest0-21swapper/1623:54:498
916991320,80cyclictest0-21swapper/1100:38:153
9049913239,61cyclictest0-21swapper/922:46:5031
8829913268,64cyclictest0-21swapper/422:18:3926
8829913264,68cyclictest0-21swapper/419:10:2026
10419913248,56cyclictest0-21swapper/3023:07:4324
10419913228,65cyclictest0-21swapper/3023:21:3524
10419913225,62cyclictest0-21swapper/3021:56:0624
10419913217,65cyclictest0-21swapper/3019:15:1424
8829913129,97cyclictest0-21swapper/423:41:1526
10419913143,58cyclictest0-21swapper/3000:28:2524
10419913127,67cyclictest0-21swapper/3023:49:5524
8779913024,68cyclictest150450irq/64-enp5s0-t23:56:0723
877991300,79cyclictest0-21swapper/321:27:5023
290882130120,7sleep250-21swapper/2519:05:1818
10419913047,56cyclictest0-21swapper/3023:29:0524
10419913039,57cyclictest0-21swapper/3023:16:4724
10419913026,67cyclictest0-21swapper/3021:28:4924
10419913026,63cyclictest0-21swapper/3000:30:1624
9479912922,69cyclictest0-21swapper/1622:23:278
9479912917,84cyclictest0-21swapper/1623:29:438
882991294,72cyclictest40-21ksoftirqd/423:38:5126
10419912941,66cyclictest0-21swapper/3020:20:2524
10419912941,66cyclictest0-21swapper/3020:20:2424
10299912944,10cyclictest0-21swapper/2821:15:1421
9049912829,64cyclictest0-21swapper/900:20:2431
9049912828,66cyclictest0-21swapper/921:14:5631
9049912828,64cyclictest0-21swapper/922:35:0131
9049912827,66cyclictest0-21swapper/919:28:1531
9049912827,66cyclictest0-21swapper/919:28:1531
8829912868,45cyclictest40-21ksoftirqd/423:30:1826
8829912844,55cyclictest0-21swapper/423:05:2726
8829912824,74cyclictest0-21swapper/400:15:2926
10419912842,54cyclictest0-21swapper/3019:30:1324
10419912842,54cyclictest0-21swapper/3019:30:1324
10419912841,61cyclictest0-21swapper/3022:45:1624
10419912830,64cyclictest0-21swapper/3021:39:0024
10419912828,66cyclictest0-21swapper/3023:40:1824
10419912827,69cyclictest0-21swapper/3022:13:1024
10419912826,67cyclictest0-21swapper/3020:30:3624
10419912826,67cyclictest0-21swapper/3020:30:3524
9519912714,84cyclictest0-21swapper/1721:30:259
9479912717,82cyclictest0-21swapper/1622:37:538
9049912745,53cyclictest0-21swapper/923:12:4131
9049912729,66cyclictest0-21swapper/900:00:1631
9049912729,65cyclictest0-21swapper/923:36:4431
9049912727,67cyclictest0-21swapper/921:48:3131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional