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2025-12-13 - 15:58
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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 Dec 13, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284942980,0sleep00-21swapper/011:26:590
326762680,0sleep10-21swapper/110:32:311
1246925126,9sleep00-21swapper/007:09:560
238842490,1sleep233-21ksoftirqd/211:53:522
123942450,0sleep50-21swapper/512:08:205
51772430,0sleep50-21swapper/509:55:035
51552430,0sleep60-21swapper/611:34:106
1235624324,14sleep50-21swapper/507:08:255
42682420,0sleep60-21swapper/610:44:216
1001424230,9sleep20-21swapper/207:05:172
185982410,0sleep7711rcuc/711:41:567
12462410,0sleep40-21swapper/412:11:564
1237324129,9sleep40-21swapper/407:08:404
245562400,0sleep60-21swapper/610:20:186
1242824029,8sleep10-21swapper/107:09:251
1006124027,9sleep70-21swapper/707:05:547
1229923928,8sleep60-21swapper/607:07:376
118362390,0sleep00-21swapper/010:06:590
180102380,0sleep50-21swapper/511:25:205
136942380,0sleep70-21swapper/711:07:527
1010823827,8sleep30-21swapper/307:06:303
123562370,0sleep30-21swapper/311:35:273
140112360,0sleep40-21swapper/411:41:214
12681992115,3cyclictest691-21systemd-logind12:03:025
12681992013,4cyclictest57-21ksoftirqd/509:45:025
8032190,1sleep341-21ksoftirqd/312:33:573
302192190,1sleep2321ktimersoftd/211:16:282
12687991910,1cyclictest65-21ksoftirqd/610:36:536
1268199199,2cyclictest57-21ksoftirqd/510:50:125
12681991915,4cyclictest57-21ksoftirqd/509:28:125
12681991915,3cyclictest57-21ksoftirqd/509:21:265
12681991914,3cyclictest57-21ksoftirqd/510:30:195
12681991911,2cyclictest57-21ksoftirqd/510:15:025
1265199195,3cyclictest25-21ksoftirqd/112:16:311
1265199195,1cyclictest25-21ksoftirqd/111:56:591
1265199194,2cyclictest25-21ksoftirqd/111:39:531
1265199194,1cyclictest25-21ksoftirqd/109:25:351
1269599180,17cyclictest11754-21bash10:40:087
12687991815,1cyclictest65-21ksoftirqd/611:18:166
12687991814,3cyclictest65-21ksoftirqd/609:34:046
1268199189,2cyclictest57-21ksoftirqd/509:42:265
1268199188,2cyclictest57-21ksoftirqd/512:11:245
1268199188,2cyclictest57-21ksoftirqd/509:50:445
1268199186,3cyclictest57-21ksoftirqd/509:19:485
1268199183,2cyclictest57-21ksoftirqd/510:28:485
1265199181,1cyclictest30259-21sshd09:42:461
101322180,0sleep10-21swapper/112:24:341
1268799177,1cyclictest65-21ksoftirqd/609:23:326
1268799170,3cyclictest65-21ksoftirqd/609:26:216
1268199179,2cyclictest57-21ksoftirqd/512:19:095
1268199179,2cyclictest57-21ksoftirqd/511:22:165
1268199179,2cyclictest57-21ksoftirqd/510:09:465
1268199178,2cyclictest57-21ksoftirqd/511:18:365
1268199178,2cyclictest57-21ksoftirqd/510:41:255
1268199178,2cyclictest57-21ksoftirqd/510:12:155
1268199178,2cyclictest57-21ksoftirqd/509:12:295
1268199177,2cyclictest57-21ksoftirqd/512:26:335
1268199176,3cyclictest57-21ksoftirqd/509:04:135
1268199176,1cyclictest57-21ksoftirqd/512:21:495
12681991714,3cyclictest57-21ksoftirqd/511:58:165
12681991712,1cyclictest57-21ksoftirqd/509:06:515
12681991710,4cyclictest57-21ksoftirqd/511:50:235
1268199170,15cyclictest57-21ksoftirqd/508:16:285
1265199175,2cyclictest25-21ksoftirqd/111:00:111
1265199175,2cyclictest25-21ksoftirqd/110:29:081
1265199174,1cyclictest25-21ksoftirqd/112:30:051
1265199174,1cyclictest25-21ksoftirqd/112:02:181
1265199173,3cyclictest25-21ksoftirqd/110:10:501
12651991712,3cyclictest25-21ksoftirqd/111:48:201
12651991712,3cyclictest25-21ksoftirqd/111:15:021
1265199171,2cyclictest25-21ksoftirqd/112:27:051
1265199170,1cyclictest0-21swapper/109:45:021
45632160,0sleep60-21swapper/611:56:126
12687991614,1cyclictest492-21systemd-journal11:24:126
12687991613,3cyclictest65-21ksoftirqd/610:10:086
1268799161,1cyclictest121rcu_preempt12:28:146
1268199168,5cyclictest57-21ksoftirqd/510:00:435
1268199167,2cyclictest57-21ksoftirqd/511:43:065
1268199166,3cyclictest57-21ksoftirqd/511:48:465
1268199166,3cyclictest57-21ksoftirqd/509:32:515
1268199165,3cyclictest57-21ksoftirqd/509:38:345
12681991614,1cyclictest57-21ksoftirqd/510:21:565
12681991613,3cyclictest57-21ksoftirqd/511:09:595
12681991612,3cyclictest57-21ksoftirqd/512:39:225
12681991612,3cyclictest57-21ksoftirqd/511:05:385
1268199161,2cyclictest121rcu_preempt11:35:525
1268199160,1cyclictest131rcu_sched11:31:225
1265199166,1cyclictest25-21ksoftirqd/112:05:381
1265199166,1cyclictest25-21ksoftirqd/110:58:091
1265199165,3cyclictest25-21ksoftirqd/111:53:441
1265199165,1cyclictest25-21ksoftirqd/111:41:261
1265199165,1cyclictest25-21ksoftirqd/110:44:001
1265199165,1cyclictest25-21ksoftirqd/109:53:011
1265199164,3cyclictest25-21ksoftirqd/109:57:361
1265199164,1cyclictest25-21ksoftirqd/109:21:071
1265199161,2cyclictest29567-21sshd12:11:281
1265199161,2cyclictest25-21ksoftirqd/111:33:421
1265199160,3cyclictest0-21swapper/109:02:361
1265199160,2cyclictest22153-21systemd12:37:211
1264599160,2cyclictest5475-21ystemctl10:50:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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