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2026-05-17 - 01:29
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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 Sat May 16, 2026 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62321250,1sleep0624-21sshd11:40:380
2595721250,1sleep00-21swapper/010:07:570
1505121170,5sleep31216599cyclictest12:39:553
11662211534,43sleep30-21swapper/307:07:023
11803210033,55sleep10-21swapper/107:08:481
147012980,3sleep20-21swapper/211:21:002
130062980,2sleep10-21swapper/112:36:031
19522940,1sleep11943-21sshd10:05:201
163722940,0sleep00-21swapper/011:56:200
253952890,2sleep10-21swapper/110:43:151
75102880,1sleep10-21swapper/110:30:291
88712820,1sleep18870-21sshd11:13:211
66662820,2sleep10-21swapper/109:17:161
292702820,2sleep10-21swapper/110:25:561
153672810,0sleep20-21swapper/210:24:292
23132800,1sleep02310-21sshd09:13:250
326342790,2sleep232635-21sshd10:40:292
173392780,1sleep30-21swapper/310:17:213
115152770,2sleep20-21swapper/211:31:012
213372760,0sleep00-21swapper/009:18:510
315662750,4sleep01216299cyclictest12:34:350
227442750,0sleep00-21swapper/009:32:340
171532750,2sleep30-21swapper/309:42:453
171442750,0sleep217138-21sshd12:25:392
286822740,3sleep11216399cyclictest12:34:121
1164627333,12sleep20-21swapper/207:06:492
205152720,2sleep20-21swapper/212:11:492
192522720,0sleep00-21swapper/012:22:290
163502720,1sleep30-21swapper/310:45:393
163502720,1sleep30-21swapper/310:45:383
266262710,2sleep326614-21sshd11:46:573
220132710,2sleep22512-21runrttasks12:22:472
88102700,1sleep28811-21sshd10:30:382
35192700,3sleep31216599cyclictest11:37:323
17532650,1sleep20-21swapper/211:26:332
149872640,1sleep01216299cyclictest08:25:190
7452630,3sleep01216299cyclictest10:19:060
13552590,2sleep20-21swapper/212:34:532
1185825832,14sleep00-21swapper/007:09:310
35742400,1sleep03568-21sshd11:19:540
70392380,0sleep27038-21sshd09:27:312
243892320,1sleep20-21swapper/209:43:332
116232290,1sleep30-21swapper/312:28:413
164382280,2sleep10-21swapper/109:21:411
40612270,2sleep10-21swapper/109:30:301
269492270,2sleep30-21swapper/312:30:173
152402270,25sleep1144650irq/27-eth012:18:341
87852250,3sleep30-21swapper/310:41:253
7662250,2sleep10-21swapper/110:15:301
47782250,0sleep00-21swapper/009:55:100
155002250,2sleep30-21swapper/311:21:043
133432251,22sleep1144650irq/27-eth012:11:011
41372240,22sleep3144650irq/27-eth010:05:323
61432230,2sleep30-21swapper/310:26:583
289122230,21sleep3144650irq/27-eth012:16:113
155532230,1sleep20-21swapper/209:14:522
1216499234,3cyclictest21358-21sshd10:04:022
118242230,2sleep30-21swapper/312:03:293
282832220,19sleep1144650irq/27-eth009:40:251
255682220,20sleep1144650irq/27-eth011:39:581
230932220,2sleep30-21swapper/310:10:593
39462210,2sleep30-21swapper/311:55:033
290002210,1sleep028998-21sshd10:01:190
223992210,1sleep00-21swapper/011:00:490
223262210,19sleep3144650irq/27-eth011:11:163
1216499215,3cyclictest25442-21sshd09:47:022
1216499212,15cyclictest30321-21sshd09:36:462
1216499211,13cyclictest22613-21sshd12:15:282
275462200,18sleep1144650irq/27-eth011:47:051
166942200,18sleep228950irq/26-ahci[00009:18:222
1216599201,12cyclictest0-21swapper/310:24:323
1216599200,15cyclictest0-21swapper/309:51:043
1216499205,14cyclictest4947-21sshd11:51:342
1216499202,7cyclictest517-21sshd10:08:422
111202200,1sleep03-21ksoftirqd/011:13:370
316232190,1sleep00-21swapper/010:11:570
305962190,3sleep10-21swapper/112:01:581
271382190,2sleep30-21swapper/311:08:223
157712192,15sleep3144650irq/27-eth009:56:143
12165991910,7cyclictest21340-21unixbench_multi10:35:253
1216499197,2cyclictest0-21swapper/211:20:012
1216499196,2cyclictest16592-21sshd11:07:122
68662180,16sleep3144650irq/27-eth011:30:313
152392180,1sleep00-21swapper/012:36:200
1216599188,2cyclictest0-21swapper/309:32:343
1216599183,8cyclictest44-21ksoftirqd/311:18:293
1216599183,5cyclictest0-21swapper/310:53:003
1216599183,5cyclictest0-21swapper/310:53:003
1216599180,8cyclictest0-21swapper/309:37:233
1216499182,12cyclictest19040-21sshd10:17:332
1216499181,6cyclictest14763-21bash10:10:122
1216499181,1cyclictest5223-21bash09:20:252
1216499181,1cyclictest26716-21id12:05:062
1216499181,1cyclictest13521-21bash09:55:582
1216499181,15cyclictest30471-21sshd10:51:142
1216499181,15cyclictest30471-21sshd10:51:142
119912180,2sleep12512-21runrttasks09:45:331
148922170,2sleep314890-21bash09:21:313
1216599170,9cyclictest0-21swapper/309:26:463
1216599170,4cyclictest2865-21sshd10:55:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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