You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-07 - 05:15
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 Fri Nov 07, 2025 00:49:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74139926063,1cyclictest151rcu_preempt22:11:2924
72359918832,107cyclictest0-21swapper/123:49:031
72359918832,107cyclictest0-21swapper/123:49:031
329891179169,8phc2sys0-21swapper/219:05:2212
329891179169,8phc2sys0-21swapper/219:05:2212
72359917532,87cyclictest0-21swapper/123:14:041
72359916730,84cyclictest0-21swapper/122:57:301
2482911630,154ptp4l0-21swapper/119:05:571
2482911630,154ptp4l0-21swapper/119:05:571
7313991629,97cyclictest0-21swapper/1322:48:055
72359916032,85cyclictest0-21swapper/121:56:011
72359914055,60cyclictest0-21swapper/122:48:251
72359914051,59cyclictest0-21swapper/121:19:101
72359914023,73cyclictest0-21swapper/100:36:071
74029913924,77cyclictest0-21swapper/2823:38:2121
739699139135,1cyclictest151rcu_preempt23:37:2920
7235991390,87cyclictest0-21swapper/121:52:181
74169913713,95cyclictest0-21swapper/3123:01:4125
7366991370,85cyclictest0-21swapper/2121:52:0614
7281991370,83cyclictest0-21swapper/821:30:1730
72719913618,117cyclictest0-21swapper/621:45:2628
72719913618,106cyclictest0-21swapper/621:18:4228
72359913647,60cyclictest0-21swapper/123:52:171
72359913647,60cyclictest0-21swapper/123:52:161
72359913647,60cyclictest0-21swapper/122:35:231
72359913646,58cyclictest0-21swapper/123:57:211
72359913646,58cyclictest0-21swapper/123:57:201
72719913518,81cyclictest0-21swapper/622:08:5628
72359913551,69cyclictest0-21swapper/122:09:241
72359913545,60cyclictest0-21swapper/123:03:551
72719913418,96cyclictest0-21swapper/600:20:2528
72719913418,96cyclictest0-21swapper/600:20:2528
72719913418,65cyclictest0-21swapper/621:36:5328
72359913449,61cyclictest0-21swapper/123:07:391
72359913448,59cyclictest0-21swapper/123:33:491
72359913443,58cyclictest0-21swapper/122:43:511
72359913442,52cyclictest0-21swapper/100:30:481
72359913428,70cyclictest0-21swapper/121:12:131
74029913342,60cyclictest0-21swapper/2800:29:4021
74029913342,60cyclictest0-21swapper/2800:29:4021
74029913339,64cyclictest0-21swapper/2800:15:3021
74029913339,64cyclictest0-21swapper/2800:15:3021
74029913328,71cyclictest0-21swapper/2821:57:3721
72719913317,93cyclictest0-21swapper/621:11:4628
72359913355,59cyclictest0-21swapper/119:59:331
72359913346,62cyclictest0-21swapper/100:27:171
72359913346,62cyclictest0-21swapper/100:27:171
72359913344,62cyclictest0-21swapper/119:38:421
72359913343,55cyclictest0-21swapper/123:38:071
72359913331,68cyclictest0-21swapper/100:05:261
72359913331,68cyclictest0-21swapper/100:05:251
72359913330,73cyclictest0-21swapper/100:02:421
72359913330,73cyclictest0-21swapper/100:02:421
72359913330,70cyclictest0-21swapper/100:14:591
72359913330,70cyclictest0-21swapper/100:14:581
72359913328,70cyclictest0-21swapper/120:16:251
72359913327,66cyclictest0-21swapper/122:27:341
74169913245,76cyclictest0-21swapper/3122:43:1925
74029913227,65cyclictest0-21swapper/2822:20:2121
74029913226,66cyclictest0-21swapper/2820:00:2021
72719913218,102cyclictest0-21swapper/623:53:2028
72719913218,102cyclictest0-21swapper/623:53:2028
72359913230,67cyclictest0-21swapper/121:45:521
72359913229,71cyclictest0-21swapper/100:18:281
72359913229,71cyclictest0-21swapper/100:18:271
72359913229,68cyclictest0-21swapper/123:25:361
72359913229,68cyclictest0-21swapper/123:25:361
72359913229,68cyclictest0-21swapper/121:08:291
72359913229,68cyclictest0-21swapper/120:30:201
72359913229,65cyclictest0-21swapper/119:13:351
72359913228,68cyclictest0-21swapper/120:07:481
72359913224,69cyclictest0-21swapper/121:22:091
74029913128,62cyclictest0-21swapper/2823:00:2421
74029913126,68cyclictest0-21swapper/2819:57:2221
74029913126,62cyclictest0-21swapper/2823:15:2321
72719913118,66cyclictest0-21swapper/623:29:0628
72719913118,66cyclictest0-21swapper/623:29:0628
72359913129,73cyclictest0-21swapper/122:33:431
72359913117,67cyclictest0-21swapper/119:53:081
74029913049,54cyclictest0-21swapper/2800:31:1521
74029913028,70cyclictest0-21swapper/2821:27:5821
74029913027,69cyclictest0-21swapper/2823:52:4821
74029913027,69cyclictest0-21swapper/2823:52:4821
73519913021,71cyclictest0-21swapper/1922:27:2011
72819913025,63cyclictest0-21swapper/820:12:1830
72359913030,75cyclictest0-21swapper/121:31:271
72359913030,67cyclictest0-21swapper/121:39:121
72359913028,68cyclictest0-21swapper/123:41:191
72359913028,68cyclictest0-21swapper/123:41:191
72359913027,67cyclictest0-21swapper/120:23:391
74029912940,63cyclictest0-21swapper/2822:05:5521
74029912939,55cyclictest0-21swapper/2800:08:2021
74029912939,55cyclictest0-21swapper/2800:08:2021
74029912929,70cyclictest0-21swapper/2823:10:0121
74029912929,69cyclictest0-21swapper/2822:28:1921
74029912929,68cyclictest0-21swapper/2821:10:2021
74029912927,68cyclictest0-21swapper/2822:03:5621
74029912926,70cyclictest0-21swapper/2822:54:3221
74029912923,65cyclictest0-21swapper/2820:40:2521
72819912945,56cyclictest0-21swapper/822:13:0530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional