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2026-01-11 - 02:17
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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 Jan 11, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6115991520,97cyclictest14355-21grep22:30:557
6108999153,0cyclictest0-21swapper/622:30:556
148982730,2sleep1607099cyclictest21:35:441
607799660,65cyclictest25136-21kworker/2:422:30:552
606599620,61cyclictest22097-21kworker/u16:122:30:550
178792520,0sleep20-21swapper/223:08:032
83972510,1sleep48394-21grepconf.sh22:16:484
280762510,0sleep00-21swapper/021:41:120
208732510,1sleep320872-21swap23:49:213
9152490,0sleep00-21swapper/021:15:570
589524926,8sleep20-21swapper/219:09:002
269392490,0sleep50-21swapper/500:08:215
214822490,0sleep00-21swapper/023:24:110
88942480,0sleep6641ktimersoftd/600:27:366
571824826,8sleep60-21swapper/619:06:326
583124725,8sleep50-21swapper/519:08:075
297672460,0sleep60-21swapper/623:29:226
49692450,0sleep50-21swapper/523:29:535
412624523,8sleep70-21swapper/719:04:167
291432450,0sleep50-21swapper/523:49:555
215552440,2sleep4609299cyclictest00:28:304
246212430,0sleep10-21swapper/100:19:301
202142420,0sleep20-21swapper/223:58:492
67082410,0sleep40-21swapper/422:48:514
117692410,0sleep7711rcuc/721:14:207
589424027,9sleep10-21swapper/119:08:591
565824027,9sleep30-21swapper/319:05:483
560124027,9sleep40-21swapper/419:05:014
32452400,0sleep30-21swapper/323:18:213
214472400,0sleep70-21swapper/700:17:047
168532400,0sleep0101ktimersoftd/023:37:410
256902390,0sleep30-21swapper/322:08:463
182532390,0sleep70-21swapper/721:21:567
164962390,0sleep60-21swapper/623:23:536
550823826,8sleep00-21swapper/019:04:250
254932380,0sleep30-21swapper/323:45:043
254932380,0sleep30-21swapper/323:45:043
6085993737,0cyclictest1538-21kworker/3:022:30:553
607099310,30cyclictest0-21swapper/122:30:551
321712310,0sleep30-21swapper/321:30:013
6092992928,1cyclictest29523-21kworker/u16:522:30:564
313322230,0sleep60-21swapper/600:15:276
610099220,0cyclictest0-21swapper/522:30:565
10032220,1sleep21001-21sshd22:55:142
151642210,0sleep00-21swapper/022:03:220
151642210,0sleep00-21swapper/022:03:220
153992180,1sleep315398-21cat00:19:003
6070991714,1cyclictest25-21ksoftirqd/122:19:361
6092991614,1cyclictest49-21ksoftirqd/423:28:404
6092991610,5cyclictest2530-21systemd21:23:104
609299160,15cyclictest22663-21kworker/4:122:49:284
6070991614,1cyclictest25-21ksoftirqd/121:19:401
6070991612,3cyclictest1018-21systemd23:43:291
33032160,0sleep00-21swapper/023:41:170
6092991514,1cyclictest49-21ksoftirqd/422:54:184
6092991513,1cyclictest49-21ksoftirqd/423:55:204
6092991513,1cyclictest49-21ksoftirqd/423:18:524
607099158,3cyclictest25-21ksoftirqd/123:01:471
6070991514,1cyclictest25-21ksoftirqd/123:28:411
6070991514,1cyclictest25-21ksoftirqd/122:57:591
6070991514,1cyclictest25-21ksoftirqd/122:11:191
6070991514,1cyclictest25-21ksoftirqd/100:33:381
6070991513,1cyclictest25-21ksoftirqd/122:34:461
6070991513,1cyclictest25-21ksoftirqd/122:03:281
6070991513,1cyclictest25-21ksoftirqd/122:03:281
6070991513,1cyclictest25-21ksoftirqd/100:28:501
325122150,0sleep2311rcuc/221:43:542
6115991412,1cyclictest73-21ksoftirqd/723:37:537
6092991413,1cyclictest49-21ksoftirqd/400:01:204
6092991412,1cyclictest49-21ksoftirqd/400:38:314
6092991412,1cyclictest49-21ksoftirqd/400:13:444
6092991411,1cyclictest49-21ksoftirqd/423:05:004
6077991413,1cyclictest33-21ksoftirqd/200:27:132
6077991412,1cyclictest33-21ksoftirqd/222:23:472
607099147,4cyclictest25-21ksoftirqd/121:49:431
607099147,4cyclictest25-21ksoftirqd/121:49:431
6070991413,1cyclictest25-21ksoftirqd/123:49:081
6070991413,1cyclictest25-21ksoftirqd/123:46:341
6070991413,1cyclictest25-21ksoftirqd/123:46:341
6070991413,1cyclictest25-21ksoftirqd/123:32:481
6070991412,1cyclictest25-21ksoftirqd/123:54:081
6070991412,1cyclictest25-21ksoftirqd/122:48:011
6070991412,1cyclictest25-21ksoftirqd/122:14:171
6070991412,1cyclictest25-21ksoftirqd/121:47:281
6070991412,1cyclictest25-21ksoftirqd/100:34:181
6070991412,1cyclictest25-21ksoftirqd/100:18:451
6065991413,1cyclictest9-21ksoftirqd/021:22:190
6065991411,2cyclictest31498-21kworker/0:322:28:120
74932130,0sleep30-21swapper/321:44:193
6108991311,1cyclictest65-21ksoftirqd/623:49:066
610099133,4cyclictest1-21systemd00:32:455
6100991310,2cyclictest6002-21sshd22:55:365
6092991312,1cyclictest49-21ksoftirqd/422:34:324
6092991312,1cyclictest49-21ksoftirqd/422:01:284
6092991312,1cyclictest49-21ksoftirqd/422:01:284
6092991312,1cyclictest49-21ksoftirqd/421:15:064
6092991312,1cyclictest49-21ksoftirqd/400:20:324
6092991312,1cyclictest49-21ksoftirqd/400:04:594
6092991311,1cyclictest49-21ksoftirqd/423:45:274
6092991311,1cyclictest49-21ksoftirqd/423:45:274
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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