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2025-11-22 - 12:01
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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 Sat Nov 22, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
327632900,0sleep10-21swapper/123:13:311
891425328,9sleep70-21swapper/718:50:157
188552530,2sleep4943899cyclictest23:11:334
313822510,0sleep40-21swapper/422:00:374
248172500,0sleep60-21swapper/623:38:186
907924926,8sleep20-21swapper/218:52:262
189862490,1sleep665-21ksoftirqd/623:33:146
312882480,0sleep00-21swapper/023:09:050
72092460,0sleep6641ktimersoftd/619:44:426
13682430,0sleep50-21swapper/522:09:355
35562420,0sleep50-21swapper/522:05:275
9302410,0sleep10-21swapper/123:04:501
189102410,2sleep0940899cyclictest23:54:540
96102400,0sleep3763-21runrttasks21:28:173
891124027,9sleep40-21swapper/418:50:124
889224027,9sleep30-21swapper/318:49:553
285432400,0sleep00-21swapper/022:08:580
903123926,9sleep10-21swapper/118:51:451
893823926,9sleep50-21swapper/518:50:295
890423928,8sleep60-21swapper/618:50:066
888923926,9sleep00-21swapper/018:49:520
102772380,0sleep40-21swapper/423:23:274
285922370,0sleep20-21swapper/223:08:432
129862360,0sleep20-21swapper/221:45:302
275902350,0sleep10-21swapper/122:08:511
945999258,0cyclictest0-21swapper/720:45:127
9459992514,0cyclictest0-21swapper/720:20:187
945999225,5cyclictest0-21swapper/722:09:077
945999214,5cyclictest0-21swapper/720:12:067
944999210,0cyclictest0-21swapper/519:43:465
945999208,0cyclictest0-21swapper/719:43:527
945999203,5cyclictest0-21swapper/720:39:547
9430992017,1cyclictest41-21ksoftirqd/300:20:193
307322200,0sleep30-21swapper/322:30:163
945999198,5cyclictest20681-21sshd00:19:017
945999198,5cyclictest0-21swapper/723:41:437
945999198,5cyclictest0-21swapper/723:41:437
945999198,5cyclictest0-21swapper/721:28:507
945999198,5cyclictest0-21swapper/721:22:507
945999198,5cyclictest0-21swapper/721:17:247
945999198,5cyclictest0-21swapper/719:58:487
945999198,5cyclictest0-21swapper/719:27:547
945999198,5cyclictest0-21swapper/719:20:427
945999198,5cyclictest0-21swapper/719:15:447
945999198,5cyclictest0-21swapper/718:59:207
945999198,5cyclictest0-21swapper/700:11:237
945999198,5cyclictest0-21swapper/700:08:237
945999198,0cyclictest0-21swapper/723:55:437
945999198,0cyclictest0-21swapper/722:58:397
945999198,0cyclictest0-21swapper/721:44:257
945999198,0cyclictest0-21swapper/720:50:127
945999198,0cyclictest0-21swapper/720:35:067
945999198,0cyclictest0-21swapper/720:29:347
945999198,0cyclictest0-21swapper/720:26:087
945999198,0cyclictest0-21swapper/720:05:227
945999198,0cyclictest0-21swapper/719:37:567
945999198,0cyclictest0-21swapper/719:12:487
945999198,0cyclictest0-21swapper/719:05:107
945999197,6cyclictest0-21swapper/723:53:217
9459991914,0cyclictest0-21swapper/720:00:587
945999191,0cyclictest0-21swapper/722:09:537
9430991914,3cyclictest41-21ksoftirqd/323:17:443
940899190,18cyclictest16461-21systemd-cgroups00:22:580
945999188,0cyclictest0-21swapper/722:35:297
945999187,5cyclictest0-21swapper/723:31:297
945999187,5cyclictest0-21swapper/723:13:217
945999187,5cyclictest0-21swapper/722:48:017
945999187,5cyclictest0-21swapper/722:21:337
945999187,5cyclictest0-21swapper/722:15:057
945999187,5cyclictest0-21swapper/721:04:347
945999187,5cyclictest0-21swapper/720:17:427
945999187,5cyclictest0-21swapper/719:30:227
945999187,0cyclictest0-21swapper/723:22:277
945999187,0cyclictest0-21swapper/723:15:057
945999187,0cyclictest0-21swapper/721:34:587
945999187,0cyclictest0-21swapper/721:32:587
944999180,0cyclictest0-21swapper/521:42:105
944999180,0cyclictest0-21swapper/519:02:225
9430991817,1cyclictest8738-21kworker/3:321:21:573
9430991815,3cyclictest41-21ksoftirqd/323:02:483
9430991814,1cyclictest41-21ksoftirqd/320:57:183
39222180,0sleep40-21swapper/421:06:154
945999177,0cyclictest0-21swapper/721:39:257
945999176,0cyclictest0-21swapper/723:45:177
945999176,0cyclictest0-21swapper/719:45:287
945999176,0cyclictest0-21swapper/700:02:277
9459991712,4cyclictest29544-21bash22:00:217
945999170,5cyclictest0-21swapper/721:10:127
944999176,5cyclictest21698-21sshd23:16:115
9430991716,1cyclictest18894-21kworker/3:122:53:493
9430991716,1cyclictest16801-21kworker/3:123:31:573
9430991715,1cyclictest41-21ksoftirqd/300:00:173
945999165,5cyclictest0-21swapper/723:28:017
945999165,0cyclictest0-21swapper/721:59:197
945999165,0cyclictest0-21swapper/719:53:527
945999160,15cyclictest32631-21sshd23:04:437
943099162,1cyclictest41-21ksoftirqd/322:44:223
9430991614,1cyclictest41-21ksoftirqd/300:13:193
9430991613,3cyclictest41-21ksoftirqd/300:04:393
9430991613,2cyclictest41-21ksoftirqd/323:28:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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