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2026-03-20 - 21:43
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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 20, 2026 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
594221350,1sleep05943-21sed10:15:220
1280121200,2sleep32512-21runrttasks12:33:353
9965210132,41sleep30-21swapper/307:08:113
1011729733,55sleep10-21swapper/107:09:521
122452920,0sleep00-21swapper/010:43:510
69862900,3sleep00-21swapper/010:36:220
177792900,2sleep217772-21sshd12:26:322
131202900,3sleep01038599cyclictest09:58:100
157102880,3sleep20-21swapper/211:02:252
91092840,0sleep00-21swapper/009:36:110
40102840,2sleep30-21swapper/310:04:583
288522840,3sleep228796-21sshd12:09:012
298092820,5sleep30-21swapper/310:28:363
195482810,3sleep00-21swapper/011:06:350
144372810,3sleep10-21swapper/111:30:381
281052790,0sleep00-21swapper/010:45:240
321992780,2sleep20-21swapper/209:20:182
191022780,2sleep20-21swapper/211:35:142
89872770,4sleep11038699cyclictest09:14:201
184972770,2sleep118496-21id10:27:211
293212760,3sleep20-21swapper/210:21:372
241612750,3sleep20-21swapper/212:15:312
992527234,9sleep20-21swapper/207:07:422
13042720,1sleep10-21swapper/110:49:531
232022710,4sleep31038899cyclictest10:56:163
173972710,1sleep00-21swapper/009:26:200
106332710,2sleep20-21swapper/211:23:202
322122660,3sleep01038599cyclictest09:16:400
176602660,3sleep22024-21nfsd10:55:392
111312660,2sleep30-21swapper/309:25:313
171762600,3sleep21038799cyclictest12:03:442
10902490,1sleep00-21swapper/011:55:080
1003624934,11sleep00-21swapper/007:09:040
166092350,1sleep20-21swapper/210:09:472
78062290,2sleep00-21swapper/010:05:200
264932290,2sleep136-21rcuop/211:40:101
84792280,3sleep30-21swapper/310:12:173
267172280,1sleep10-21swapper/110:38:311
181532280,26sleep3144650irq/27-eth011:24:113
9452270,3sleep30-21swapper/309:49:053
139422270,2sleep041ktimersoftd/009:50:220
56952260,24sleep1144650irq/27-eth011:19:251
56952260,24sleep1144650irq/27-eth011:19:241
30592260,1sleep10-21swapper/110:15:101
235252260,2sleep22024-21nfsd09:34:252
10387992620,1cyclictest16765-21sshd10:51:382
67222250,3sleep10-21swapper/110:32:581
55482252,21sleep1144650irq/27-eth010:05:101
311462251,21sleep1144650irq/27-eth009:35:131
246182250,4sleep20-21swapper/209:48:062
59932240,0sleep00-21swapper/012:02:290
138382240,2sleep30-21swapper/309:18:153
15882231,20sleep2144650irq/27-eth011:18:572
15882231,20sleep2144650irq/27-eth011:18:572
1038899232,2cyclictest0-21swapper/312:20:173
1038899232,11cyclictest0-21swapper/310:36:473
1038899220,3cyclictest0-21swapper/309:39:483
1038899220,1cyclictest0-21swapper/310:45:233
1038899220,11cyclictest0-21swapper/310:34:553
1038799220,10cyclictest10039-21bash11:09:082
1038599220,21cyclictest6998-21sshd11:01:250
180082212,17sleep3144650irq/27-eth010:51:493
10582210,2sleep31055-21bash10:42:383
1038899217,3cyclictest0-21swapper/311:13:373
1038899210,1cyclictest0-21swapper/309:50:513
1038899210,10cyclictest0-21swapper/312:35:123
1038899210,10cyclictest0-21swapper/311:15:233
1038899210,10cyclictest0-21swapper/311:15:233
217812200,18sleep3144650irq/27-eth012:19:043
1038899209,1cyclictest0-21swapper/309:30:423
1038899206,5cyclictest0-21swapper/311:27:113
1038899201,9cyclictest0-21swapper/312:26:373
10388992011,1cyclictest0-21swapper/308:40:303
1038899200,5cyclictest0-21swapper/311:41:473
1038799205,9cyclictest0-21swapper/211:25:522
1038699207,9cyclictest22-21ksoftirqd/109:29:081
277892192,15sleep2144650irq/27-eth011:43:492
196662190,17sleep3144650irq/27-eth010:06:373
189132190,1sleep20-21swapper/210:37:402
10388991910,1cyclictest0-21swapper/307:36:513
10386991916,2cyclictest31281-21sshd12:35:261
1038699191,3cyclictest26865-21sshd09:34:461
10386991913,1cyclictest22-21ksoftirqd/111:54:551
72712183,13sleep210950irq/23-ehci_hcd09:17:302
324952180,2sleep232483-21sshd10:32:152
220362180,15sleep2144650irq/27-eth010:17:102
10388991810,6cyclictest9238-21sshd09:10:493
1038899180,4cyclictest0-21swapper/310:22:133
1038899180,16cyclictest0-21swapper/310:15:123
1038699187,10cyclictest22-21ksoftirqd/111:10:181
1038699185,12cyclictest22-21ksoftirqd/111:29:361
1038699181,10cyclictest22-21ksoftirqd/111:06:201
1038699180,17cyclictest22-21ksoftirqd/110:43:011
1038699180,14cyclictest22-21ksoftirqd/112:04:261
1038699180,13cyclictest22-21ksoftirqd/109:55:181
1038699180,11cyclictest22-21ksoftirqd/109:47:281
1038699180,11cyclictest22-21ksoftirqd/109:40:331
308842171,14sleep2144650irq/27-eth010:45:432
1038799170,15cyclictest0-21swapper/212:34:422
1038699178,2cyclictest22-21ksoftirqd/109:16:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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