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2025-11-21 - 07:15
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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 Nov 21, 2025 00:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298422900,2sleep61711099cyclictest22:57:416
236732680,0sleep20-21swapper/223:54:312
181142570,0sleep40-21swapper/423:35:434
1670325126,9sleep70-21swapper/718:51:587
1685424925,8sleep50-21swapper/518:54:045
153642470,1sleep449-21ksoftirqd/422:42:254
107152460,0sleep10-21swapper/122:28:281
90422450,0sleep40-21swapper/421:42:424
320002440,0sleep20-21swapper/221:00:202
25312430,0sleep00-21swapper/022:04:330
7022420,0sleep10-21swapper/121:23:251
1663024229,9sleep60-21swapper/618:51:016
119812420,0sleep40-21swapper/421:02:144
36692410,1sleep125-21ksoftirqd/122:54:151
1681724129,8sleep40-21swapper/418:53:314
161242410,1sleep125-21ksoftirqd/123:53:261
1433324027,9sleep00-21swapper/018:49:260
1683323928,8sleep20-21swapper/218:53:452
1660523928,8sleep30-21swapper/318:50:423
1441123928,8sleep10-21swapper/118:49:351
314442380,0sleep00-21swapper/021:54:480
233682380,0sleep40-21swapper/419:04:354
45012370,0sleep30-21swapper/323:34:063
45012370,0sleep30-21swapper/323:34:063
278162370,0sleep30-21swapper/323:41:183
240132370,0sleep324012-21sshd00:03:533
115342350,2sleep71712199cyclictest22:28:347
1712199258,5cyclictest0-21swapper/720:15:327
1712199258,5cyclictest0-21swapper/719:37:447
1712199208,6cyclictest0-21swapper/723:33:497
1712199208,6cyclictest0-21swapper/723:33:497
1710399200,5cyclictest0-21swapper/521:51:015
79162190,0sleep50-21swapper/522:23:365
28282190,0sleep50-21swapper/500:00:345
1712199198,5cyclictest0-21swapper/723:52:057
1712199198,5cyclictest0-21swapper/723:25:597
1712199198,5cyclictest0-21swapper/721:35:427
1712199198,5cyclictest0-21swapper/721:35:427
1712199198,5cyclictest0-21swapper/720:53:147
1712199198,0cyclictest0-21swapper/721:45:487
1712199197,6cyclictest0-21swapper/722:38:287
1712199197,6cyclictest0-21swapper/722:14:367
1712199191,6cyclictest0-21swapper/722:02:347
1712199191,6cyclictest0-21swapper/719:46:487
1710399194,7cyclictest6090-21bash21:55:455
1710399190,7cyclictest14160-21id21:38:595
1710399190,7cyclictest14160-21id21:38:595
17087991913,4cyclictest41-21ksoftirqd/322:27:253
17079991915,1cyclictest33-21ksoftirqd/223:29:372
17079991915,1cyclictest33-21ksoftirqd/223:29:372
1712199188,4cyclictest0-21swapper/720:42:327
1712199187,5cyclictest0-21swapper/723:34:357
1712199187,5cyclictest0-21swapper/722:59:057
1712199187,5cyclictest0-21swapper/721:32:187
1712199187,5cyclictest0-21swapper/720:33:347
1712199187,5cyclictest0-21swapper/719:33:347
1712199187,5cyclictest0-21swapper/719:18:547
1712199187,0cyclictest0-21swapper/719:04:147
1712199181,5cyclictest0-21swapper/723:17:497
1712199181,5cyclictest0-21swapper/723:17:497
1712199181,5cyclictest0-21swapper/720:37:367
1712199181,0cyclictest0-21swapper/722:10:067
1710399180,6cyclictest29286-21grepconf.sh22:26:275
1710399180,10cyclictest18528-21sshd23:00:265
1710399180,10cyclictest12674-21sshd22:55:135
1707999182,1cyclictest33-21ksoftirqd/221:17:262
1712199176,5cyclictest0-21swapper/720:59:127
1712199176,5cyclictest0-21swapper/720:44:407
1712199176,5cyclictest0-21swapper/719:53:447
1712199176,5cyclictest0-21swapper/718:55:287
1712199176,5cyclictest0-21swapper/700:05:597
1712199176,5cyclictest0-21swapper/700:00:557
1712199176,0cyclictest0-21swapper/722:33:327
1712199176,0cyclictest0-21swapper/721:22:327
1712199176,0cyclictest0-21swapper/720:08:307
1712199176,0cyclictest0-21swapper/719:55:027
1712199176,0cyclictest0-21swapper/719:24:167
1712199176,0cyclictest0-21swapper/700:16:577
17121991710,7cyclictest73-21ksoftirqd/723:39:477
1710399170,9cyclictest4809-21bash21:19:295
1710399170,8cyclictest10382-21sshd23:21:425
1710399170,3cyclictest0-21swapper/522:19:135
1710399170,14cyclictest27721-21sshd21:09:035
17087991714,1cyclictest41-21ksoftirqd/323:08:363
1707999179,2cyclictest33-21ksoftirqd/221:44:322
1707999178,2cyclictest33-21ksoftirqd/222:17:132
1707999177,3cyclictest33-21ksoftirqd/221:28:142
1707999175,2cyclictest33-21ksoftirqd/222:55:192
17079991714,1cyclictest33-21ksoftirqd/221:23:262
17079991713,1cyclictest33-21ksoftirqd/221:29:412
314672160,0sleep50-21swapper/521:32:105
1712199165,5cyclictest0-21swapper/700:13:097
1712199165,0cyclictest0-21swapper/722:40:527
1712199165,0cyclictest0-21swapper/721:09:007
1712199165,0cyclictest0-21swapper/719:39:347
1712199160,5cyclictest0-21swapper/720:11:427
1712199160,13cyclictest25337-21sshd21:58:397
17110991610,5cyclictest27072-21switchtime23:54:476
1710399160,8cyclictest7027-21grepconf.sh21:10:275
1710399160,7cyclictest0-21swapper/523:29:555
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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