You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-14 - 05:56
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 50 highest latencies:
System rack0slot2.osadl.org (updated Sat Mar 14, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
251879025747,7sleep60-21swapper/619:01:206
251890724837,8sleep40-21swapper/419:03:024
2519273994743,3cyclictest650-21systemd-journal23:53:527
2519273994740,5cyclictest3181192-21latency_hist00:03:527
251876024737,7sleep50-21swapper/519:00:555
251927399410,39cyclictest2990489-21latency_hist22:43:527
2519268994133,6cyclictest2847308-21kworker/u16:1+flush-8:021:43:525
25100332394,29sleep70-21swapper/718:59:047
2519263993533,2cyclictest2696156-21kworker/u16:1+events_unbound21:19:174
2519273993428,5cyclictest650-21systemd-journal23:28:517
2519268993432,2cyclictest3071645-21kworker/u16:3+flush-8:023:29:175
2519268993431,2cyclictest2752758-21kworker/u16:3+events_unbound21:29:075
2519268993431,2cyclictest2752758-21kworker/u16:3+events_unbound21:29:075
2519263993432,2cyclictest2752758-21kworker/u16:3+events_unbound21:24:184
2519263993331,2cyclictest2714197-21kworker/u16:2+flush-8:022:39:134
2519272993027,2cyclictest2490512-21kworker/u16:1+flush-8:019:19:106
2519272993027,2cyclictest2490512-21kworker/u16:1+flush-8:019:19:106
2519268993028,2cyclictest2999576-21kworker/u16:1+flush-8:023:08:525
2519273992928,0cyclictest0-21swapper/723:29:497
2519268992927,2cyclictest2990193-21kworker/u16:0+events_unbound00:24:055
2519273992822,5cyclictest650-21systemd-journal20:33:537
2519268992824,3cyclictest2847308-21kworker/u16:1+flush-8:022:19:095
30611072270,1chrt3061105-21ssh23:12:187
2519263992725,2cyclictest3071645-21kworker/u16:3+events_unbound23:24:154
2519263992725,2cyclictest2776253-21kworker/u16:0+events_unbound21:29:094
2519263992725,2cyclictest2776253-21kworker/u16:0+events_unbound21:29:094
2519273992522,2cyclictest2811881-21munin-run21:28:527
2519268992523,2cyclictest2570389-21kworker/u16:3+flush-8:019:49:185
2519263992522,2cyclictest2714197-21kworker/u16:2+events_unbound21:59:154
2519268992420,3cyclictest2696156-21kworker/u16:1+flush-8:020:44:095
2519263992421,2cyclictest2647545-21kworker/u16:4+events_unbound20:19:074
2519273992322,0cyclictest0-21swapper/721:53:587
2519272992321,2cyclictest2776253-21kworker/u16:0+events_unbound21:39:196
2519263992322,1cyclictest2966996-21kworker/u16:5+events_unbound22:34:124
2519273992221,0cyclictest0-21swapper/723:54:347
2519273992220,1cyclictest0-21swapper/722:54:047
2519273992220,1cyclictest0-21swapper/700:04:087
2519263992220,2cyclictest2990193-21kworker/u16:0+flush-8:023:48:524
2519263992220,2cyclictest2990193-21kworker/u16:0+events_unbound23:14:134
2519263992219,2cyclictest2990193-21kworker/u16:0+events_unbound23:29:054
2519273992120,0cyclictest0-21swapper/721:02:117
2519272992119,2cyclictest2714197-21kworker/u16:2+flush-8:021:44:186
2519268992119,2cyclictest2776253-21kworker/u16:0+events_unbound22:14:065
2519268992119,2cyclictest2776253-21kworker/u16:0+events_unbound22:14:065
2519263992119,2cyclictest2666313-21kworker/u16:2+events_unbound20:24:084
2519273992019,0cyclictest0-21swapper/721:39:407
2519273992019,0cyclictest0-21swapper/719:47:127
2519273992019,0cyclictest0-21swapper/719:42:487
2519273992018,1cyclictest2915997-21ssh22:09:177
2519273992018,1cyclictest2915997-21ssh22:09:177
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional