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2026-06-18 - 18:27
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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 Thu Jun 18, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24112720,1sleep125-21ksoftirqd/110:58:591
292482700,0sleep60-21swapper/611:10:026
125082660,0sleep60-21swapper/612:28:116
20662560,0sleep70-21swapper/710:44:007
90672500,0sleep10-21swapper/109:13:271
211682500,1sleep61-21systemd11:26:526
126132490,1sleep012614-21grepconf.sh11:26:220
256592480,2sleep7711rcuc/709:37:207
215962480,0sleep50-21swapper/509:31:175
1457624824,8sleep00-21swapper/007:03:550
107892470,0sleep70-21swapper/711:55:127
166112460,2sleep51504699cyclictest11:34:275
101122460,0sleep2311rcuc/212:35:522
92832450,0sleep59275-21sshd11:14:335
49102450,1sleep74908-21grep11:29:417
251522450,0sleep10-21swapper/107:23:091
127402450,1sleep125-21ksoftirqd/111:47:451
272432440,0sleep00-21swapper/009:12:460
1462624425,8sleep10-21swapper/107:04:361
267012430,1sleep125-21ksoftirqd/110:28:161
1453624332,8sleep50-21swapper/507:03:205
113462430,0sleep20-21swapper/209:58:532
319242420,0sleep6758-21runrttasks11:54:316
309092420,1sleep630910-21sshd10:23:006
19482420,0sleep11946-21sshd11:12:211
1482624230,8sleep70-21swapper/707:07:237
112382420,1sleep311239-21cstates11:38:023
278732410,0sleep20-21swapper/210:51:152
248862410,0sleep0758-21runrttasks11:11:480
197022410,2sleep51504699cyclictest09:53:445
197022410,2sleep51504699cyclictest09:53:445
144342410,1sleep014414-21cp11:49:440
296932400,0sleep30-21swapper/312:23:273
275342400,0sleep30-21swapper/309:33:233
163622400,0sleep70-21swapper/710:56:097
163622400,0sleep70-21swapper/710:56:097
1470324029,8sleep20-21swapper/207:05:412
1462824029,8sleep30-21swapper/307:04:383
1239224027,9sleep40-21swapper/407:02:554
285612390,0sleep60-21swapper/610:21:006
253892390,0sleep40-21swapper/412:28:574
23932390,0sleep62396-21sort09:37:516
22222390,1sleep02220-21grepconf.sh09:43:140
134952390,1sleep21842-21nfsd12:01:242
1439023724,9sleep60-21swapper/607:03:136
286192360,2sleep21502199cyclictest11:44:422
313622330,0sleep50-21swapper/510:03:455
212912240,0sleep20-21swapper/209:16:082
1501699215,1cyclictest9-21ksoftirqd/009:39:000
198272200,2sleep31503399cyclictest12:30:483
15016992016,3cyclictest9-21ksoftirqd/011:00:030
15016992016,3cyclictest9-21ksoftirqd/010:49:110
299212190,0sleep30-21swapper/309:31:473
1505599191,2cyclictest721-21dbus-daemon11:39:547
1505599190,3cyclictest1-21systemd09:19:017
15016991917,1cyclictest9-21ksoftirqd/012:14:280
15016991914,3cyclictest9-21ksoftirqd/011:41:310
1505599183,2cyclictest15397-21sshd11:13:047
1505599181,6cyclictest721-21dbus-daemon12:22:407
1505599181,6cyclictest12444-21grepconf.sh11:22:347
15016991816,1cyclictest9-21ksoftirqd/012:09:390
15016991816,1cyclictest9-21ksoftirqd/010:27:240
15016991815,1cyclictest9-21ksoftirqd/010:54:140
15016991815,1cyclictest9-21ksoftirqd/010:54:140
15016991814,1cyclictest9-21ksoftirqd/009:30:130
15016991814,1cyclictest464-21systemd-journal10:32:450
1501699180,17cyclictest20961-21kworker/0:409:23:220
267352170,1sleep126732-21grep09:56:041
267352170,1sleep126732-21grep09:56:041
15055991712,1cyclictest25476-21sshd11:34:597
1505599171,5cyclictest13264-21systemd10:08:257
1505599171,1cyclictest0-21swapper/709:45:397
1505599170,7cyclictest857-21polkitd12:11:557
1505599170,5cyclictest10848-21sshd10:35:057
15046991713,3cyclictest57-21ksoftirqd/510:57:085
15046991713,3cyclictest57-21ksoftirqd/510:57:085
15016991716,1cyclictest9-21ksoftirqd/012:21:290
15016991715,2cyclictest9-21ksoftirqd/012:24:200
15016991715,2cyclictest9-21ksoftirqd/010:40:090
15016991715,1cyclictest9-21ksoftirqd/012:37:240
15016991715,1cyclictest9-21ksoftirqd/011:43:350
15016991715,1cyclictest9-21ksoftirqd/011:05:290
15016991715,1cyclictest9-21ksoftirqd/010:44:020
15016991714,2cyclictest9-21ksoftirqd/012:03:570
15016991714,1cyclictest9-21ksoftirqd/010:19:210
15016991713,1cyclictest9-21ksoftirqd/010:11:200
15016991710,4cyclictest9-21ksoftirqd/011:13:540
1501699170,1cyclictest0-21swapper/010:05:160
111532170,4sleep60-21swapper/612:14:416
218432160,0sleep7464-21systemd-journal10:05:077
159262160,0sleep20-21swapper/210:37:222
1505599163,2cyclictest30393-21kill12:02:297
1505599162,5cyclictest16830-21bash12:32:347
1505599160,6cyclictest29443-21sshd09:24:097
1505599160,5cyclictest0-21swapper/709:56:377
1505599160,5cyclictest0-21swapper/709:56:377
1505599160,4cyclictest27919-21bash09:39:127
1505599160,4cyclictest22149-21sshd09:48:097
1504699168,3cyclictest57-21ksoftirqd/510:14:265
15046991614,1cyclictest57-21ksoftirqd/511:03:515
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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