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2026-07-30 - 12:09
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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 rack0slot5.osadl.org (updated Thu Jul 30, 2026 00:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2894977995618,29cyclictest0-21swapper/621:41:5012
2894977995530,550cyclictest0-21swapper/620:08:5012
289497499544544,0cyclictest0-21swapper/522:43:5011
28949749953817,519cyclictest0-21swapper/523:49:5011
28949829951640,475cyclictest0-21swapper/722:19:5013
289498299512510,2cyclictest3008477-21kworker/7:1+i915-unordered21:53:5013
2895000995110,44cyclictest0-21swapper/1120:22:503
289496999509507,1cyclictest2966698-21kworker/4:0+i915-unordered20:34:5010
2895000995065,44cyclictest0-21swapper/1119:18:503
289496999505502,1cyclictest0-21swapper/421:17:5010
289495899504473,31cyclictest0-21swapper/100:07:501
289495899503502,1cyclictest3148908-21kworker/1:2+i915-unordered00:19:501
28950009950021,478cyclictest0-21swapper/1120:34:503
28950009949839,0cyclictest0-21swapper/1120:58:503
289496999497495,1cyclictest2923810-21kworker/4:0+i915-unordered19:41:5010
28950009949534,0cyclictest0-21swapper/1121:17:503
289498299493463,30cyclictest0-21swapper/721:59:5013
289496999492462,30cyclictest0-21swapper/420:43:5010
2895000994905,482cyclictest0-21swapper/1123:03:503
2895000994905,482cyclictest0-21swapper/1123:03:503
28950009948711,476cyclictest0-21swapper/1119:41:503
28950009948422,461cyclictest0-21swapper/1120:43:503
289496399482480,2cyclictest0-21swapper/223:03:508
289496399482480,2cyclictest0-21swapper/223:03:508
289496999481481,0cyclictest0-21swapper/420:21:5010
289501499479476,2cyclictest2943947-21kworker/14:1+i915-unordered20:08:506
289498899474472,2cyclictest3132883-21kworker/9:0+i915-unordered00:07:5015
28950009947325,29cyclictest0-21swapper/1120:07:323
2894963994720,471cyclictest0-21swapper/220:36:128
289498899471441,30cyclictest0-21swapper/900:19:5015
28949749947124,29cyclictest0-21swapper/520:38:3511
28949559946824,29cyclictest0-21swapper/000:07:110
28950059946725,30cyclictest0-21swapper/1220:34:504
28949749946719,29cyclictest0-21swapper/520:00:1311
28950149946617,30cyclictest0-21swapper/1419:20:136
289496399465465,0cyclictest0-21swapper/219:32:128
289501499462460,1cyclictest3016312-21kworker/14:0+i915-unordered21:41:506
289498299462461,1cyclictest0-21swapper/720:22:5013
2894963994600,459cyclictest0-21swapper/220:26:148
2895016994577,29cyclictest0-21swapper/1521:55:137
289496999457457,0cyclictest2890395-21kworker/4:5+i915-unordered19:18:5010
2895000994556,30cyclictest0-21swapper/1119:32:343
289496399453453,0cyclictest0-21swapper/219:38:148
2894982994528,30cyclictest0-21swapper/720:14:5013
2894982994528,30cyclictest0-21swapper/720:14:5013
289496399452452,0cyclictest0-21swapper/219:59:348
289501699451449,2cyclictest0-21swapper/1520:56:507
289500599451448,1cyclictest2998884-21kworker/12:1+i915-unordered21:17:504
28950059945112,29cyclictest0-21swapper/1221:14:504
289496399451451,0cyclictest0-21swapper/223:22:138
2894974994491,29cyclictest0-21swapper/521:23:1111
2894974994491,29cyclictest0-21swapper/520:08:1211
28950009944828,419cyclictest0-21swapper/1100:19:133
2895000994482,29cyclictest0-21swapper/1121:01:343
289497799448447,1cyclictest2907666-21kworker/6:1+pm19:20:0312
28950149944721,30cyclictest0-21swapper/1400:10:336
2895000994471,29cyclictest0-21swapper/1121:15:363
28949749944724,421cyclictest0-21swapper/523:56:1111
289500999446445,1cyclictest3120821-21kworker/13:2+i915-unordered23:49:505
28950009944625,417cyclictest0-21swapper/1119:24:333
2895014994450,30cyclictest0-21swapper/1423:22:366
28950009944523,421cyclictest0-21swapper/1100:02:363
28949749944526,418cyclictest0-21swapper/523:37:1311
28949749944526,418cyclictest0-21swapper/522:50:1311
28949749944524,419cyclictest0-21swapper/523:43:1311
28950009944422,421cyclictest0-21swapper/1100:34:323
28949749944426,417cyclictest0-21swapper/519:44:1111
28949749944423,419cyclictest0-21swapper/521:34:3611
28949749944423,419cyclictest0-21swapper/519:23:3211
28949749944422,420cyclictest0-21swapper/521:19:3311
28949749944421,422cyclictest0-21swapper/523:35:1111
289497799443442,1cyclictest0-21swapper/620:33:2312
28949749944321,420cyclictest0-21swapper/521:42:3411
28949699944325,417cyclictest0-21swapper/419:34:5010
28949639944324,418cyclictest0-21swapper/223:51:348
2894955994430,30cyclictest0-21swapper/023:23:320
2894955994430,30cyclictest0-21swapper/021:23:330
289500999442442,0cyclictest0-21swapper/1319:37:505
28950009944223,416cyclictest0-21swapper/1120:12:343
28950009944223,416cyclictest0-21swapper/1120:12:343
28950009944222,418cyclictest0-21swapper/1121:50:343
28950009944221,420cyclictest0-21swapper/1122:01:133
28950009944220,419cyclictest0-21swapper/1122:55:363
28949749944222,417cyclictest0-21swapper/522:10:3511
28949749944222,417cyclictest0-21swapper/519:51:3611
28949749944221,419cyclictest0-21swapper/520:48:1311
28949749944220,421cyclictest0-21swapper/522:00:3211
28949749944219,420cyclictest0-21swapper/522:14:3311
28949589944226,415cyclictest0-21swapper/123:02:501
28949589944226,415cyclictest0-21swapper/123:02:501
289501499441439,2cyclictest0-21swapper/1422:59:246
289501499441439,2cyclictest0-21swapper/1422:59:246
28950009944121,418cyclictest0-21swapper/1121:33:343
28950009944120,418cyclictest0-21swapper/1121:27:333
28949749944120,420cyclictest0-21swapper/521:06:3311
289496399441441,0cyclictest0-21swapper/219:26:508
28949559944124,416cyclictest0-21swapper/020:01:320
28950099944019,419cyclictest0-21swapper/1322:42:335
289500599440439,1cyclictest2964113-21kworker/12:1+i915-unordered20:43:504
28950009944019,420cyclictest0-21swapper/1100:30:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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