You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-28 - 23:24
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 Thu May 28, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227438425545,7sleep40-21swapper/407:07:004
2274695994136,4cyclictest2593385-21latency_hist09:42:067
22734932403,31sleep70-21swapper/707:02:387
227436623929,7sleep50-21swapper/507:06:455
2274690993836,2cyclictest2773691-21kworker/u16:4+flush-8:010:57:416
2274690993735,2cyclictest2460863-21kworker/u16:2+events_unbound09:23:416
2274690993432,2cyclictest2773691-21kworker/u16:4+events_unbound11:50:346
2274690993432,2cyclictest2773691-21kworker/u16:4+events_unbound11:50:346
2274690993432,2cyclictest2651382-21kworker/u16:3+events_unbound10:45:536
227413923424,7sleep60-21swapper/607:03:336
2274690993331,2cyclictest2786476-21kworker/u16:0+events_unbound11:08:416
2274690993331,2cyclictest2460863-21kworker/u16:2+flush-8:009:36:376
2274690993230,2cyclictest2786476-21kworker/u16:0+events_unbound11:24:176
2274690993230,2cyclictest2630059-21kworker/u16:0+events_unbound10:30:416
2274690993230,2cyclictest2630059-21kworker/u16:0+events_unbound10:30:416
2274685993229,3cyclictest2773691-21kworker/u16:4+flush-8:012:07:214
2274690993129,2cyclictest2952865-21kworker/u16:1+events_unbound12:31:416
2274690993129,2cyclictest2895359-21kworker/u16:3+flush-8:011:58:166
2274690993129,2cyclictest2773691-21kworker/u16:4+events_unbound12:12:126
2274690993129,2cyclictest2773691-21kworker/u16:4+events_unbound11:14:176
2274690993029,1cyclictest2630059-21kworker/u16:0+flush-8:010:11:576
2274690993028,2cyclictest2786476-21kworker/u16:0+flush-8:011:56:446
2274690993028,2cyclictest2786476-21kworker/u16:0+flush-8:011:41:336
2274690993028,2cyclictest2508969-21kworker/u16:1+flush-8:009:07:576
2274690993027,2cyclictest2460863-21kworker/u16:2+events_unbound09:27:086
30013382290,0sleep73001337-21rm12:28:137
2274690992927,2cyclictest2773691-21kworker/u16:4+events_unbound11:19:056
2274690992927,2cyclictest2508969-21kworker/u16:1+events_unbound09:57:416
2274690992927,2cyclictest2508969-21kworker/u16:1+events_unbound09:37:576
2274685992926,2cyclictest2630059-21kworker/u16:0+events_unbound09:57:214
2274695992823,4cyclictest2441673-21latency_hist08:32:067
2274695992823,4cyclictest2441673-21latency_hist08:32:067
2274690992826,2cyclictest2870875-21kworker/u16:2+events_unbound11:45:416
2274690992826,2cyclictest2786476-21kworker/u16:0+flush-8:012:19:366
2274690992825,2cyclictest2630059-21kworker/u16:0+events_unbound10:22:246
2274685992826,2cyclictest2201862-21kworker/u16:0+flush-8:007:22:204
2274695992722,4cyclictest2605482-21latency_hist09:47:067
2274690992725,2cyclictest2952865-21kworker/u16:1+flush-8:012:34:486
2274690992725,2cyclictest2952865-21kworker/u16:1+events_unbound12:25:166
2274690992725,2cyclictest2895359-21kworker/u16:3+flush-8:012:04:046
2274690992725,2cyclictest2630059-21kworker/u16:0+flush-8:010:18:166
2274690992725,2cyclictest2460863-21kworker/u16:2+events_unbound09:48:286
2274690992725,2cyclictest2460863-21kworker/u16:2+events_unbound09:48:286
2274685992725,2cyclictest2651382-21kworker/u16:3+flush-8:011:17:294
2274685992725,2cyclictest2651382-21kworker/u16:3+events_unbound11:07:294
2274690992624,2cyclictest2713577-21kworker/u16:2+flush-8:010:33:326
2274690992624,2cyclictest2651382-21kworker/u16:3+events_unbound10:16:426
2274690992624,2cyclictest2460863-21kworker/u16:2+events_unbound09:13:336
2274690992624,2cyclictest2460863-21kworker/u16:2+events_unbound09:13:336
2274690992623,2cyclictest2508969-21kworker/u16:1+flush-8:009:42:076
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional