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2025-11-23 - 08:21
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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
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Sun Nov 23, 2025 00:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
253112980,2sleep72699899cyclictest21:20:547
219712870,2sleep22695899cyclictest23:17:182
169232810,0sleep50-21swapper/522:49:345
2570325026,9sleep30-21swapper/318:49:413
2570325026,9sleep30-21swapper/318:49:413
2655824825,8sleep10-21swapper/118:52:111
2655824825,8sleep10-21swapper/118:52:111
74952470,0sleep60-21swapper/623:10:416
10342440,0sleep70-21swapper/700:09:377
44142430,1sleep22695899cyclictest20:54:542
75152420,0sleep00-21swapper/000:05:450
52962420,0sleep30-21swapper/323:33:053
2669824129,8sleep70-21swapper/718:54:097
2669824129,8sleep70-21swapper/718:54:097
2651624128,9sleep00-21swapper/018:51:380
2651624128,9sleep00-21swapper/018:51:380
229122410,0sleep10-21swapper/122:50:181
151342410,0sleep70-21swapper/722:08:437
131182410,0sleep00-21swapper/023:24:530
103142410,0sleep70-21swapper/723:06:427
312392400,0sleep40-21swapper/419:54:434
312392400,0sleep40-21swapper/419:54:434
2659524028,9sleep20-21swapper/218:52:442
2659524028,9sleep20-21swapper/218:52:442
2637624027,9sleep40-21swapper/418:49:504
2637624027,9sleep40-21swapper/418:49:504
259362400,2sleep62699099cyclictest21:16:376
196092400,0sleep20-21swapper/222:49:472
178862400,2sleep52698299cyclictest22:40:295
2640923927,9sleep60-21swapper/618:50:166
2640923927,9sleep60-21swapper/618:50:166
2423223927,8sleep50-21swapper/518:49:275
2423223927,8sleep50-21swapper/518:49:275
56162380,0sleep40-21swapper/421:09:224
10082380,0sleep20-21swapper/223:27:592
325812370,0sleep30-21swapper/323:59:563
181092360,0sleep40-21swapper/421:29:004
65722340,2sleep72699899cyclictest00:19:467
216642260,0sleep40-21swapper/422:04:564
2696699234,18cyclictest27509-21bash23:04:343
26998992212,3cyclictest73-21ksoftirqd/723:31:347
26998992117,4cyclictest73-21ksoftirqd/723:23:337
2699899208,1cyclictest73-21ksoftirqd/722:48:537
2699899200,20cyclictest0-21swapper/720:45:457
2698299202,6cyclictest0-21swapper/520:47:595
100782200,0sleep70-21swapper/721:45:377
2699899197,12cyclictest73-21ksoftirqd/722:24:437
2699899195,2cyclictest73-21ksoftirqd/721:49:347
2699899194,15cyclictest0-21swapper/721:27:217
26998991916,1cyclictest73-21ksoftirqd/722:31:227
26998991913,6cyclictest73-21ksoftirqd/723:40:037
231282190,2sleep12695099cyclictest00:03:301
307962180,1sleep01-21systemd21:17:190
26998991812,1cyclictest73-21ksoftirqd/721:06:437
2698299187,0cyclictest0-21swapper/522:20:415
2698299181,5cyclictest0-21swapper/523:18:115
2698299180,6cyclictest0-21swapper/519:24:005
2698299180,6cyclictest0-21swapper/519:12:085
235252180,0sleep40-21swapper/422:59:344
2699899178,2cyclictest73-21ksoftirqd/722:59:507
2699899175,3cyclictest73-21ksoftirqd/722:57:377
2699899175,0cyclictest73-21ksoftirqd/723:56:257
2699899174,3cyclictest73-21ksoftirqd/723:09:427
2699899174,3cyclictest73-21ksoftirqd/721:37:147
2699899174,0cyclictest0-21swapper/721:32:337
26998991712,0cyclictest73-21ksoftirqd/720:40:437
26998991712,0cyclictest73-21ksoftirqd/720:40:437
2698299176,0cyclictest0-21swapper/521:03:475
26982991712,5cyclictest0-21swapper/522:15:435
2698299170,5cyclictest0-21swapper/522:29:575
2698299170,5cyclictest0-21swapper/521:47:355
2698299170,5cyclictest0-21swapper/521:38:235
2695099172,1cyclictest121rcu_preempt23:13:081
26950991716,1cyclictest14192-21kworker/1:423:51:331
26950991711,4cyclictest25-21ksoftirqd/121:51:291
2699899165,2cyclictest73-21ksoftirqd/700:01:107
2699899164,12cyclictest73-21ksoftirqd/721:01:417
2699899164,0cyclictest0-21swapper/722:02:117
26998991614,2cyclictest0-21swapper/719:46:407
26998991614,1cyclictest73-21ksoftirqd/723:34:317
26998991614,1cyclictest73-21ksoftirqd/721:39:337
26998991614,0cyclictest0-21swapper/720:09:327
26998991611,1cyclictest73-21ksoftirqd/723:25:157
2698299165,5cyclictest0-21swapper/523:07:175
2698299165,5cyclictest0-21swapper/520:03:405
2698299165,0cyclictest0-21swapper/521:53:295
26950991615,1cyclictest2813-21kworker/1:421:13:191
26950991614,1cyclictest25-21ksoftirqd/123:18:521
26950991614,1cyclictest25-21ksoftirqd/122:59:391
26950991614,1cyclictest25-21ksoftirqd/100:05:331
26950991611,3cyclictest25-21ksoftirqd/100:17:071
2699899157,1cyclictest73-21ksoftirqd/700:18:167
2699899157,0cyclictest0-21swapper/723:18:277
2699899156,1cyclictest73-21ksoftirqd/723:46:307
2699899155,3cyclictest73-21ksoftirqd/700:08:337
2699899153,12cyclictest0-21swapper/720:54:457
26998991513,2cyclictest0-21swapper/718:56:347
26998991513,1cyclictest73-21ksoftirqd/722:19:207
26998991513,1cyclictest73-21ksoftirqd/721:10:497
26998991513,0cyclictest0-21swapper/720:01:017
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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