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2026-03-13 - 15:39
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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 Fri Mar 13, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1365121030,3sleep12279099cyclictest11:31:431
136062960,2sleep10-21swapper/112:06:171
95392910,2sleep20-21swapper/211:40:532
2241128837,47sleep30-21swapper/307:08:413
2222228827,49sleep10-21swapper/107:06:181
173682870,1sleep10-21swapper/110:18:421
308442850,0sleep00-21swapper/010:15:400
299772840,0sleep00-21swapper/009:22:070
247332830,1sleep10-21swapper/109:40:351
131292830,2sleep22024-21nfsd11:11:572
170372800,2sleep20-21swapper/210:13:462
322172780,2sleep30-21swapper/312:19:133
38232760,0sleep00-21swapper/012:39:460
280882760,2sleep22512-21runrttasks10:00:362
262702760,1sleep30-21swapper/312:03:233
49632740,1sleep30-21swapper/312:39:573
286192730,3sleep32279299cyclictest12:13:403
260192730,4sleep32279299cyclictest10:29:503
288192720,3sleep22279199cyclictest09:31:352
294232700,2sleep129420-21sshd09:36:301
62082650,0sleep26207-21bash11:00:592
324182650,2sleep30-21swapper/312:09:203
6802630,4sleep12279099cyclictest11:54:341
140302630,1sleep22279199cyclictest09:48:542
2233625034,12sleep20-21swapper/207:07:442
2250324430,11sleep00-21swapper/007:09:380
138242400,2sleep20-21swapper/212:21:132
162402320,2sleep02278999cyclictest09:34:410
100082220,1sleep10-21swapper/112:00:431
227532210,2sleep30-21swapper/309:30:363
214772210,2sleep041ktimersoftd/009:54:570
181192210,2sleep10-21swapper/110:33:291
221572200,1sleep20-21swapper/212:17:362
29502190,17sleep210950irq/23-ehci_hcd09:22:572
242852190,2sleep20-21swapper/210:24:402
2279199191,10cyclictest33-21ksoftirqd/210:56:012
178202190,0sleep00-21swapper/011:07:450
151842190,1sleep08-21rcu_preempt11:56:390
148512190,3sleep30-21swapper/309:44:103
98602180,3sleep30-21swapper/309:28:513
234392181,15sleep1144650irq/27-eth012:37:441
2279299180,5cyclictest0-21swapper/310:49:173
2279199189,8cyclictest33-21ksoftirqd/209:55:162
2279199184,9cyclictest144650irq/27-eth012:10:132
2279199181,10cyclictest33-21ksoftirqd/211:58:472
2279199180,17cyclictest33-21ksoftirqd/210:48:082
2279199180,17cyclictest33-21ksoftirqd/210:35:392
2278999180,16cyclictest0-21swapper/009:19:240
197522180,16sleep1144650irq/27-eth009:10:551
167712180,16sleep1144650irq/27-eth009:15:201
145702180,2sleep30-21swapper/311:26:563
9902171,14sleep1144650irq/27-eth010:25:531
282542170,2sleep30-21swapper/310:44:523
234782170,0sleep00-21swapper/010:53:560
2279299172,13cyclictest0-21swapper/311:44:323
2279299170,15cyclictest0-21swapper/311:55:423
2279199171,15cyclictest0-21swapper/212:39:012
2279099170,5cyclictest0-21swapper/111:24:391
2279099170,5cyclictest0-21swapper/111:24:391
2278999177,9cyclictest0-21swapper/007:25:220
206672170,0sleep220668-21bash09:11:032
199172170,3sleep02278999cyclictest11:22:520
199172170,3sleep02278999cyclictest11:22:520
169782170,0sleep216977-21bash12:01:542
302482160,0sleep00-21swapper/011:34:230
22792991611,4cyclictest144650irq/27-eth010:13:123
2279199168,7cyclictest33-21ksoftirqd/209:43:082
2279199166,1cyclictest33-21ksoftirqd/210:06:002
22791991611,4cyclictest3748-21sshd12:34:472
2279199160,15cyclictest33-21ksoftirqd/212:27:392
2279199160,15cyclictest33-21ksoftirqd/211:31:552
2279199160,15cyclictest33-21ksoftirqd/211:29:452
2279199160,15cyclictest33-21ksoftirqd/211:21:552
2279199160,15cyclictest33-21ksoftirqd/211:21:542
2279199160,15cyclictest33-21ksoftirqd/209:29:122
2279099167,4cyclictest9659-21sshd10:12:361
2279099167,4cyclictest20846-21sshd11:13:111
22790991611,4cyclictest10950irq/23-ehci_hcd10:39:521
2279099160,4cyclictest8872-21sshd12:15:261
2279099160,14cyclictest0-21swapper/111:25:511
2279099160,14cyclictest0-21swapper/109:54:591
2279099160,14cyclictest0-21swapper/109:22:071
2278999167,6cyclictest0-21swapper/012:18:460
2278999160,15cyclictest0-21swapper/011:46:300
288022150,13sleep3144650irq/27-eth009:36:263
2279299157,3cyclictest0-21swapper/310:16:103
2279299157,3cyclictest0-21swapper/309:23:103
2279299153,4cyclictest144650irq/27-eth012:31:023
2279299151,12cyclictest1415-21sshd09:46:553
2279299150,4cyclictest8622-21sshd11:45:413
2279299150,3cyclictest29017-21sshd12:23:413
2279299150,14cyclictest29599-21sshd09:55:583
2279299150,14cyclictest11371-21sshd09:53:213
2279299150,13cyclictest5870-21sshd11:00:553
2279299150,13cyclictest535-21sshd09:12:593
2279299150,13cyclictest0-21swapper/311:24:193
2279299150,13cyclictest0-21swapper/311:24:193
2279299150,13cyclictest0-21swapper/311:10:433
2279299150,13cyclictest0-21swapper/310:51:253
2279199155,9cyclictest153250irq/28-eth1-rx-09:35:482
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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