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2026-01-07 - 10:25
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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 rack5slot0.osadl.org (updated Wed Jan 07, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2013821110,2sleep10-21swapper/123:29:071
8476210134,54sleep30-21swapper/319:06:473
860829433,57sleep10-21swapper/119:08:281
264862910,1sleep30-21swapper/322:49:503
195472820,0sleep00-21swapper/022:57:410
163702820,1sleep30-21swapper/323:06:533
250232760,0sleep00-21swapper/021:37:510
250232760,0sleep00-21swapper/021:37:510
112862750,0sleep00-21swapper/021:33:420
132932710,0sleep00-21swapper/023:37:030
838224933,12sleep20-21swapper/219:05:442
843324538,4sleep00-21swapper/019:06:200
45642380,3sleep30-21swapper/321:21:233
274152320,1sleep00-21swapper/023:52:020
175262310,2sleep10-21swapper/122:36:181
240432270,4sleep2898999cyclictest23:50:472
39252260,2sleep20-21swapper/221:21:092
898799240,1cyclictest0-21swapper/022:06:100
207912240,22sleep3137550irq/27-eth021:56:343
266482220,2sleep10-21swapper/123:00:101
239862210,0sleep00-21swapper/000:33:010
8990992018,1cyclictest0-21swapper/320:39:003
263452200,2sleep20-21swapper/200:02:092
899099190,15cyclictest0-21swapper/322:15:513
244302190,3sleep1898899cyclictest21:17:411
186142190,17sleep3137550irq/27-eth000:20:263
8990991813,3cyclictest1993-21sshd23:35:133
898999183,11cyclictest10850irq/23-ehci_hcd23:04:442
899099177,8cyclictest0-21swapper/321:28:293
8990991711,4cyclictest30129-21sshd23:00:503
898999172,6cyclictest9150-21sshd22:33:572
898999170,15cyclictest0-21swapper/200:30:062
8988991711,5cyclictest137550irq/27-eth000:27:161
130102170,2sleep12439-21runrttasks23:57:561
899099160,7cyclictest0-21swapper/322:51:193
899099160,15cyclictest0-21swapper/300:08:013
899099160,14cyclictest0-21swapper/323:55:393
899099160,14cyclictest0-21swapper/322:20:183
899099160,14cyclictest0-21swapper/321:41:323
899099160,14cyclictest0-21swapper/321:41:323
899099160,14cyclictest0-21swapper/300:03:393
899099160,13cyclictest0-21swapper/321:51:593
898999167,7cyclictest0-21swapper/200:18:332
898999166,8cyclictest9858-21sshd22:23:562
898999163,9cyclictest10850irq/23-ehci_hcd21:59:292
898999162,13cyclictest29947-21sshd22:40:162
8989991611,4cyclictest2093-21sshd23:23:132
8989991611,4cyclictest0-21swapper/219:55:422
898999160,14cyclictest0-21swapper/223:32:042
898999160,14cyclictest0-21swapper/200:25:042
898899162,12cyclictest21376-21sshd21:56:461
8988991614,1cyclictest0-21swapper/122:33:541
898899160,14cyclictest0-21swapper/121:51:381
898899160,14cyclictest0-21swapper/100:07:021
898899160,11cyclictest8860-21sshd00:17:301
899099159,5cyclictest0-21swapper/322:11:173
899099158,3cyclictest24789-21sshd23:30:193
899099154,6cyclictest15893-21sshd21:45:103
899099154,10cyclictest10850irq/23-ehci_hcd20:11:273
899099153,11cyclictest10850irq/23-ehci_hcd22:01:113
8990991511,3cyclictest10850irq/23-ehci_hcd20:16:033
899099150,14cyclictest0-21swapper/323:13:293
899099150,14cyclictest0-21swapper/322:25:223
899099150,13cyclictest26845-21sshd23:41:203
899099150,13cyclictest0-21swapper/323:51:253
899099150,13cyclictest0-21swapper/300:35:573
899099150,13cyclictest0-21swapper/300:34:273
899099150,12cyclictest1926-21nscd21:15:453
898999159,4cyclictest0-21swapper/220:57:182
898999158,4cyclictest0-21swapper/222:37:122
898999157,7cyclictest0-21swapper/223:42:122
898999153,11cyclictest10850irq/23-ehci_hcd19:53:232
898999153,11cyclictest0-21swapper/223:07:442
898999152,12cyclictest137550irq/27-eth022:17:542
898999152,11cyclictest0-21swapper/220:43:292
898999151,9cyclictest12834-21perf20:29:592
8989991513,1cyclictest0-21swapper/223:36:492
898999150,14cyclictest0-21swapper/223:26:202
898999150,14cyclictest0-21swapper/222:06:032
898999150,14cyclictest0-21swapper/200:23:042
898999150,13cyclictest0-21swapper/221:29:592
898899157,7cyclictest0-21swapper/122:25:561
8988991511,3cyclictest10850irq/23-ehci_hcd23:46:571
8988991511,3cyclictest10850irq/23-ehci_hcd20:37:341
898899151,13cyclictest0-21swapper/119:36:381
898899150,6cyclictest0-21swapper/122:21:001
898899150,6cyclictest0-21swapper/122:06:051
898899150,14cyclictest1572-21sshd22:10:471
898899150,14cyclictest0-21swapper/122:57:461
898899150,14cyclictest0-21swapper/121:22:101
898899150,13cyclictest32260-21sshd22:51:151
898899150,13cyclictest17756-21sshd00:30:431
898899150,13cyclictest1378-21sshd00:36:011
898899150,13cyclictest137550irq/27-eth000:11:501
898899150,13cyclictest137550irq/27-eth000:11:501
898899150,13cyclictest0-21swapper/123:05:381
898899150,11cyclictest0-21swapper/122:40:011
898799158,6cyclictest32704-21sshd22:41:050
898799158,3cyclictest0-21swapper/000:15:290
898799157,5cyclictest0-21swapper/023:09:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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