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2026-01-09 - 05:22
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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 Fri Jan 09, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
250022760,1sleep525000-21grepconf.sh21:17:475
133462680,2sleep5991299cyclictest00:11:425
104622530,1sleep11-21systemd23:31:341
951724936,9sleep50-21swapper/519:06:245
937724925,8sleep00-21swapper/019:04:350
274992450,0sleep227485-21sshd22:00:372
100562450,0sleep30-21swapper/323:58:113
100562450,0sleep30-21swapper/323:58:113
226342440,0sleep40-21swapper/423:22:484
952824229,9sleep70-21swapper/719:06:347
324672420,0sleep40-21swapper/423:47:064
320902420,0sleep20-21swapper/221:18:322
31752420,0sleep70-21swapper/722:08:117
300752420,0sleep50-21swapper/500:23:195
185182420,0sleep00-21swapper/023:09:140
966224130,8sleep30-21swapper/319:08:223
184022410,0sleep40-21swapper/421:53:184
177802410,0sleep70-21swapper/722:16:207
97852400,0sleep60-21swapper/623:28:106
961624029,8sleep60-21swapper/619:07:456
85852400,0sleep50-21swapper/522:25:155
254912400,0sleep40-21swapper/422:20:254
163462400,0sleep10-21swapper/121:13:431
117592400,0sleep00-21swapper/021:55:460
941023928,8sleep20-21swapper/219:05:012
87032390,0sleep20-21swapper/221:19:202
694023926,9sleep40-21swapper/419:04:064
305092390,1sleep030474-21sshd21:38:080
948223825,9sleep10-21swapper/119:05:561
25012380,0sleep30-21swapper/322:44:273
113132380,0sleep60-21swapper/621:36:066
299682370,2sleep0987299cyclictest22:17:410
245142370,0sleep10-21swapper/123:52:561
46452310,1sleep6992099cyclictest22:41:256
289572270,0sleep10-21swapper/121:47:461
987299249,3cyclictest9-21ksoftirqd/023:01:500
9872992314,1cyclictest9-21ksoftirqd/021:22:370
987299227,3cyclictest9-21ksoftirqd/022:11:090
987299219,1cyclictest9-21ksoftirqd/021:53:320
9928992015,4cyclictest11971-21systemd22:22:257
987299207,2cyclictest9-21ksoftirqd/000:35:240
987299206,3cyclictest9-21ksoftirqd/023:52:030
987299206,3cyclictest9-21ksoftirqd/023:07:340
987299206,3cyclictest9-21ksoftirqd/023:07:340
987299205,2cyclictest9-21ksoftirqd/021:32:370
987299205,1cyclictest9-21ksoftirqd/022:40:170
987299201,2cyclictest9-21ksoftirqd/021:39:090
987299198,1cyclictest9-21ksoftirqd/022:34:540
987299197,2cyclictest9-21ksoftirqd/023:47:180
987299195,1cyclictest9-21ksoftirqd/023:29:450
9872991915,1cyclictest9-21ksoftirqd/000:22:230
248722190,0sleep20-21swapper/222:36:492
9920991814,3cyclictest65-21ksoftirqd/621:56:236
987299189,3cyclictest9-21ksoftirqd/023:19:470
987299186,2cyclictest9-21ksoftirqd/021:17:130
987299186,1cyclictest9-21ksoftirqd/000:05:400
987299183,3cyclictest9-21ksoftirqd/000:18:140
9872991814,1cyclictest9-21ksoftirqd/023:34:400
9872991813,4cyclictest9-21ksoftirqd/022:29:080
987299180,1cyclictest29198-21sshd23:59:570
245762180,0sleep40-21swapper/400:06:134
9920991716,1cyclictest65-21ksoftirqd/622:24:526
9920991715,2cyclictest65-21ksoftirqd/623:17:526
9920991715,1cyclictest65-21ksoftirqd/621:51:576
9920991712,3cyclictest65-21ksoftirqd/623:32:416
992099170,17cyclictest18173-21kworker/6:100:17:186
987299179,4cyclictest9-21ksoftirqd/021:46:370
987299178,5cyclictest9-21ksoftirqd/021:11:560
987299177,2cyclictest9-21ksoftirqd/000:10:170
987299175,1cyclictest9-21ksoftirqd/023:24:160
987299175,1cyclictest9-21ksoftirqd/022:58:260
987299175,1cyclictest9-21ksoftirqd/000:29:170
987299174,2cyclictest9-21ksoftirqd/023:41:590
9872991714,2cyclictest9-21ksoftirqd/023:18:360
9872991712,2cyclictest2320-21kworker/0:219:51:070
9872991711,3cyclictest9-21ksoftirqd/023:54:310
9872991711,3cyclictest9-21ksoftirqd/023:54:310
9872991710,5cyclictest9-21ksoftirqd/021:24:260
9872991710,5cyclictest9-21ksoftirqd/021:24:260
246222170,2sleep6992099cyclictest00:09:276
992099163,1cyclictest65-21ksoftirqd/622:31:246
9920991615,1cyclictest65-21ksoftirqd/623:07:126
9920991615,1cyclictest65-21ksoftirqd/623:07:126
9920991615,1cyclictest65-21ksoftirqd/621:39:126
9920991614,1cyclictest65-21ksoftirqd/623:36:416
9920991614,1cyclictest65-21ksoftirqd/622:17:006
9920991614,1cyclictest65-21ksoftirqd/600:24:266
9920991612,3cyclictest65-21ksoftirqd/623:20:276
9920991611,3cyclictest65-21ksoftirqd/600:03:066
9920991610,3cyclictest65-21ksoftirqd/623:03:506
987299168,1cyclictest9-21ksoftirqd/000:26:250
9872991615,1cyclictest9-21ksoftirqd/022:50:160
9872991614,2cyclictest2320-21kworker/0:219:59:010
9872991614,2cyclictest2320-21kworker/0:219:33:430
9872991611,2cyclictest9-21ksoftirqd/022:44:070
987299160,1cyclictest131rcu_sched22:26:130
992099158,4cyclictest65-21ksoftirqd/621:34:056
992099156,5cyclictest65-21ksoftirqd/621:26:026
992099156,5cyclictest65-21ksoftirqd/621:26:026
992099152,3cyclictest65-21ksoftirqd/623:46:526
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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