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2025-11-20 - 10:56
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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 Thu Nov 20, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2748425429,9sleep40-21swapper/418:52:364
2755925228,8sleep70-21swapper/718:53:437
119602490,0sleep00-21swapper/022:34:450
33502470,0sleep70-21swapper/721:19:327
313922470,0sleep20-21swapper/222:50:162
242432470,0sleep10-21swapper/100:21:531
33772460,0sleep10-21swapper/100:09:441
2759324624,4sleep50-21swapper/518:54:135
277132450,0sleep10-21swapper/122:10:431
52202440,0sleep40-21swapper/421:24:094
84172430,0sleep20-21swapper/221:59:312
8262420,0sleep20-21swapper/223:46:552
232002420,0sleep00-21swapper/022:49:260
87702410,0sleep00-21swapper/021:29:020
261042410,0sleep10-21swapper/100:08:321
231362410,0sleep20-21swapper/221:35:042
231362410,0sleep20-21swapper/221:35:042
67522400,0sleep0111rcuc/000:14:480
2743624028,8sleep20-21swapper/218:51:542
2516424027,9sleep30-21swapper/318:49:383
2516124028,8sleep00-21swapper/018:49:350
2515323927,9sleep10-21swapper/118:49:281
104852390,0sleep10-21swapper/123:09:381
2742223827,8sleep60-21swapper/618:51:426
183292370,0sleep70-21swapper/720:59:377
176792370,2sleep72791499cyclictest00:16:237
118872370,0sleep70-21swapper/700:19:597
2789899247,5cyclictest0-21swapper/520:34:585
2791499236,5cyclictest0-21swapper/719:05:147
2789899203,0cyclictest0-21swapper/523:52:345
2786299200,5cyclictest121rcu_preempt19:45:401
2791499198,5cyclictest0-21swapper/723:34:127
2791499198,5cyclictest0-21swapper/723:14:347
2791499198,5cyclictest0-21swapper/722:29:507
2791499198,5cyclictest0-21swapper/719:41:047
2791499198,11cyclictest0-21swapper/721:07:267
2791499198,0cyclictest0-21swapper/723:46:307
2791499198,0cyclictest0-21swapper/721:39:387
2791499198,0cyclictest0-21swapper/721:37:227
2791499198,0cyclictest0-21swapper/721:37:227
2791499191,6cyclictest0-21swapper/722:21:027
2789899198,5cyclictest0-21swapper/523:30:585
2789899198,5cyclictest0-21swapper/522:48:185
2789899198,5cyclictest0-21swapper/521:32:565
2789899198,5cyclictest0-21swapper/519:32:105
2789899198,5cyclictest0-21swapper/519:07:325
2789899198,0cyclictest0-21swapper/522:08:445
2789899198,0cyclictest0-21swapper/519:59:505
2786299195,5cyclictest25-21ksoftirqd/121:41:071
2791499188,0cyclictest0-21swapper/722:36:467
2791499187,5cyclictest0-21swapper/723:01:547
2791499187,5cyclictest0-21swapper/723:01:547
2791499187,5cyclictest0-21swapper/722:28:367
2791499187,5cyclictest0-21swapper/720:34:327
2791499187,5cyclictest0-21swapper/720:09:587
2791499187,0cyclictest0-21swapper/723:43:347
2791499187,0cyclictest0-21swapper/721:12:427
2791499187,0cyclictest0-21swapper/719:37:107
2791499187,0cyclictest0-21swapper/719:29:447
27914991814,0cyclictest0-21swapper/720:48:427
2791499180,6cyclictest0-21swapper/723:25:047
2791499180,6cyclictest0-21swapper/721:28:587
2791499180,0cyclictest0-21swapper/720:05:287
2789899187,5cyclictest0-21swapper/519:40:525
2789899187,5cyclictest0-21swapper/519:21:005
2789899187,0cyclictest0-21swapper/523:42:405
2789899187,0cyclictest0-21swapper/523:09:245
2789899187,0cyclictest0-21swapper/519:37:365
2789899182,0cyclictest0-21swapper/519:52:365
2789899180,0cyclictest0-21swapper/519:12:585
2786299187,1cyclictest25-21ksoftirqd/100:00:351
2786299184,2cyclictest25-21ksoftirqd/122:34:371
27862991817,1cyclictest25-21ksoftirqd/123:43:041
27862991815,3cyclictest25-21ksoftirqd/122:00:551
2791499176,5cyclictest0-21swapper/723:06:307
2791499176,5cyclictest0-21swapper/722:55:467
2791499176,5cyclictest0-21swapper/722:44:367
2791499176,5cyclictest0-21swapper/720:23:287
2791499176,5cyclictest0-21swapper/719:53:227
2791499176,5cyclictest0-21swapper/700:06:167
2791499176,0cyclictest0-21swapper/723:55:267
2791499176,0cyclictest0-21swapper/721:56:387
2791499176,0cyclictest0-21swapper/720:18:307
2791499176,0cyclictest0-21swapper/719:22:307
2791499171,5cyclictest0-21swapper/718:58:507
2791499170,5cyclictest0-21swapper/719:01:467
2791499170,0cyclictest0-21swapper/723:09:387
2791499170,0cyclictest0-21swapper/720:02:567
2791499170,0cyclictest0-21swapper/719:58:387
2789899176,6cyclictest0-21swapper/521:38:025
2789899176,6cyclictest0-21swapper/521:38:025
2789899176,0cyclictest0-21swapper/520:21:125
2789899176,0cyclictest0-21swapper/520:11:545
2789899176,0cyclictest0-21swapper/520:06:485
2789899176,0cyclictest0-21swapper/519:59:125
2786299174,3cyclictest25-21ksoftirqd/122:24:581
27862991714,3cyclictest25-21ksoftirqd/122:21:071
27862991714,1cyclictest25-21ksoftirqd/122:41:091
2791499166,5cyclictest0-21swapper/722:11:507
2791499165,5cyclictest0-21swapper/723:50:387
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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