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2026-03-31 - 17:01
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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 Tue Mar 31, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1953521000,10sleep20-21swapper/207:01:372
185962820,1sleep718597-21grepconf.sh09:37:587
2068199811,24cyclictest0-21swapper/208:51:162
2068999760,40cyclictest0-21swapper/408:50:094
20676997611,55cyclictest0-21swapper/108:52:321
250702710,0sleep40-21swapper/412:10:284
20707997013,13cyclictest0-21swapper/608:49:026
20707996925,21cyclictest0-21swapper/608:55:406
20676996915,9cyclictest0-21swapper/108:58:011
20699996828,24cyclictest0-21swapper/508:59:435
20681996224,38cyclictest0-21swapper/209:01:452
228332600,1sleep622828-21sshd09:38:136
2027325341,9sleep40-21swapper/407:02:444
90002500,0sleep38999-21sshd11:11:563
8292480,0sleep30-21swapper/311:07:483
8292480,0sleep30-21swapper/311:07:483
250982480,0sleep60-21swapper/612:19:436
306902470,1sleep530621-21sshd12:16:225
2049424736,8sleep70-21swapper/707:05:447
138162470,0sleep00-21swapper/010:53:430
125042470,1sleep312508-21grep12:06:033
125042470,1sleep312508-21grep12:06:033
122492470,1sleep312251-21df_abs10:16:303
48342450,0sleep50-21swapper/511:04:225
40092450,1sleep61-21systemd10:04:566
8132440,0sleep30-21swapper/309:38:503
63722430,0sleep70-21swapper/712:00:067
296832430,0sleep21-21systemd12:08:502
285572430,0sleep40-21swapper/410:45:144
2039324332,8sleep30-21swapper/307:04:283
60612420,0sleep70-21swapper/711:32:117
309482420,2sleep42068999cyclictest09:23:534
252002420,0sleep40-21swapper/410:19:034
185842420,0sleep50-21swapper/512:24:555
14342420,0sleep50-21swapper/511:37:295
39712410,2sleep72071099cyclictest09:24:127
244912410,0sleep00-21swapper/010:00:330
241172410,0sleep60-21swapper/610:07:526
156992410,2sleep02066999cyclictest12:13:360
87222400,0sleep30-21swapper/308:36:353
2028424028,9sleep60-21swapper/607:02:556
2020224028,8sleep00-21swapper/007:01:440
1790324026,9sleep10-21swapper/107:01:211
157062400,0sleep20-21swapper/210:09:162
149132400,0sleep70-21swapper/709:19:157
149132400,0sleep70-21swapper/709:19:157
80962390,0sleep50-21swapper/512:27:595
271362390,1sleep5492-21systemd-journal12:05:005
271362390,1sleep5492-21systemd-journal12:05:005
213342390,0sleep40-21swapper/410:31:454
141742390,0sleep20-21swapper/209:32:082
40322380,0sleep10-21swapper/109:26:061
2029223827,8sleep50-21swapper/507:03:025
22512370,0sleep50-21swapper/509:27:465
150272320,2sleep72071099cyclictest12:22:487
20707993030,0cyclictest21595-21192.168.115.3-m09:01:456
20699993030,0cyclictest16336-21192.168.115.3-m08:52:325
185462260,0sleep20-21swapper/211:45:592
82832230,0sleep00-21swapper/009:52:080
20681992222,0cyclictest18721-21192.168.115.3-m08:55:402
20669992219,1cyclictest16313-21kworker/0:111:45:590
20669992118,2cyclictest9-21ksoftirqd/010:03:430
20669992117,3cyclictest9-21ksoftirqd/011:29:150
261722200,0sleep626171-21sshd11:40:516
195762200,0sleep00-21swapper/011:47:490
71012190,0sleep50-21swapper/510:18:005
54512190,1sleep35455-21grepconf.sh09:48:193
2070799190,19cyclictest0-21swapper/608:59:436
2067699190,0cyclictest0-21swapper/108:49:021
78532180,0sleep70-21swapper/711:11:527
20669991817,1cyclictest15851-21192.168.115.3-m08:50:090
20669991815,3cyclictest9-21ksoftirqd/011:58:430
20669991815,1cyclictest7629-21kworker/0:409:27:000
20710991715,1cyclictest73-21ksoftirqd/709:43:177
20669991716,1cyclictest9-21ksoftirqd/011:13:240
20669991715,1cyclictest9-21ksoftirqd/012:32:320
20669991715,1cyclictest9-21ksoftirqd/012:26:220
20669991715,1cyclictest9-21ksoftirqd/011:51:370
20669991715,1cyclictest9-21ksoftirqd/009:46:450
20669991715,1cyclictest9-21ksoftirqd/009:42:240
20669991714,2cyclictest9-21ksoftirqd/009:21:190
20669991714,2cyclictest9-21ksoftirqd/009:21:190
20669991713,3cyclictest9-21ksoftirqd/011:32:460
20669991713,1cyclictest9-21ksoftirqd/010:16:410
20669991712,5cyclictest17289-21kworker/u16:210:48:570
20669991712,1cyclictest9-21ksoftirqd/009:11:350
20669991710,6cyclictest29208-21kworker/0:410:22:050
70862160,0sleep20-21swapper/210:55:132
238712160,0sleep50-21swapper/508:06:355
21882160,1sleep233-21ksoftirqd/212:14:432
2070799162,8cyclictest0-21swapper/611:21:446
20707991615,1cyclictest65-21ksoftirqd/611:51:056
20686991610,5cyclictest41-21ksoftirqd/309:29:193
2068699160,16cyclictest0-21swapper/308:51:163
20681991614,1cyclictest33-21ksoftirqd/211:51:122
20669991615,1cyclictest9-21ksoftirqd/011:40:360
20669991614,2cyclictest9-21ksoftirqd/012:06:370
20669991614,2cyclictest22809-21kworker/u16:110:26:370
20669991614,1cyclictest9-21ksoftirqd/012:18:370
20669991614,1cyclictest9-21ksoftirqd/011:21:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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