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2026-08-15 - 17:57
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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 Aug 15, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2986121270,2sleep20-21swapper/212:02:582
1051921240,0sleep010504-21sshd10:56:310
2258621110,2sleep30-21swapper/312:16:493
1593021000,1sleep10-21swapper/110:39:491
1984429632,60sleep10-21swapper/107:06:571
1984429632,60sleep10-21swapper/107:06:561
1874829435,46sleep30-21swapper/307:05:143
1874829435,46sleep30-21swapper/307:05:133
325842920,2sleep30-21swapper/311:39:503
112232920,1sleep011222-21bash12:36:110
189342910,2sleep118916-21sshd10:02:021
270222890,2sleep32023-21nfsd09:54:183
244652860,4sleep22036499cyclictest11:18:542
190802860,1sleep00-21swapper/009:13:360
190802860,1sleep00-21swapper/009:13:360
319062850,3sleep20-21swapper/212:32:162
148282850,3sleep30-21swapper/309:27:413
126802850,2sleep02036099cyclictest10:07:180
260782840,7sleep20-21swapper/212:37:332
224532840,2sleep32512-21runrttasks11:18:423
196092840,2sleep30-21swapper/312:36:573
112912840,4sleep32036599cyclictest12:24:443
7432820,0sleep041ktimersoftd/010:50:020
270922810,0sleep00-21swapper/011:56:540
250982800,0sleep00-21swapper/011:21:440
73602790,2sleep10-21swapper/111:11:191
298602790,2sleep20-21swapper/209:20:262
274462790,1sleep30-21swapper/310:05:323
27352790,4sleep22036499cyclictest12:15:092
204562790,2sleep320445-21sshd10:48:493
153812790,1sleep015379-21seq09:53:150
41052770,2sleep34102-21sshd11:40:103
279012770,4sleep22036499cyclictest09:11:292
279012770,4sleep22036499cyclictest09:11:282
168802740,3sleep10-21swapper/111:18:121
3292720,0sleep00-21swapper/011:39:510
1989927132,9sleep20-21swapper/207:07:382
1989927132,9sleep20-21swapper/207:07:382
152392690,2sleep32512-21runrttasks08:10:013
286052640,3sleep32036599cyclictest09:14:273
286052640,3sleep32036599cyclictest09:14:273
315942630,2sleep20-21swapper/210:44:032
16282610,4sleep12036399cyclictest10:26:581
1806725833,13sleep00-21swapper/007:05:070
1806725833,13sleep00-21swapper/007:05:060
125382560,2sleep212536-21sshd10:01:262
274472490,2sleep227289-21sshd11:10:162
180832470,45sleep3144650irq/27-eth010:36:553
219712360,2sleep20-21swapper/209:31:052
79022330,30sleep2144650irq/27-eth010:56:182
146422330,31sleep3144650irq/27-eth009:15:593
125662320,6sleep20-21swapper/211:38:022
29962312,27sleep2144650irq/27-eth011:31:212
275902310,5sleep00-21swapper/011:04:330
60152300,28sleep1144650irq/27-eth012:03:471
296932300,28sleep3144650irq/27-eth010:58:233
67612290,1sleep06760-21bash10:27:260
51942290,1sleep00-21swapper/009:15:110
274012280,2sleep02036099cyclictest10:17:560
197292280,26sleep3144650irq/27-eth010:25:413
40032260,2sleep20-21swapper/209:43:422
209112260,2sleep120912-21sshd10:20:131
67372250,3sleep30-21swapper/312:30:043
154242250,2sleep10-21swapper/110:07:351
116482250,1sleep00-21swapper/010:47:570
97652240,1sleep39758-21cp10:19:153
281962240,0sleep228197-21sshd10:37:502
244072240,2sleep224399-21sshd09:36:582
204752220,3sleep10-21swapper/110:11:111
139172220,20sleep1144650irq/27-eth011:00:021
128672220,3sleep20-21swapper/209:58:422
65972210,0sleep36596-21sshd11:31:423
38782210,1sleep00-21swapper/009:49:260
229912210,19sleep1144650irq/27-eth009:53:571
194602210,19sleep2144650irq/27-eth010:45:442
172262210,2sleep217222-21bash11:41:132
233332200,3sleep20-21swapper/209:48:162
224202200,1sleep322413-21sshd11:27:173
2036399200,18cyclictest11588-21sshd10:16:301
19332200,17sleep2144650irq/27-eth011:45:392
130622200,3sleep32512-21runrttasks09:21:513
278452190,17sleep3144650irq/27-eth011:45:133
2036599190,14cyclictest0-21swapper/309:33:143
2036599190,13cyclictest0-21swapper/310:30:113
2036499191,11cyclictest29587-21bash11:27:552
20364991910,4cyclictest2431-21bash12:26:442
89092180,16sleep3144650irq/27-eth009:49:543
2036499183,10cyclictest9260-21sshd10:21:592
2036499183,10cyclictest6157-21sshd12:24:142
2036499182,10cyclictest10584-21sshd11:05:512
2036399188,5cyclictest22186-21sshd11:50:221
20363991815,2cyclictest14031-21sshd10:30:501
2036399181,12cyclictest17531-21bash11:26:491
2036399180,5cyclictest0-21swapper/112:05:101
2036399180,16cyclictest32239-21sshd11:57:241
2036399180,16cyclictest22950-21sshd09:13:561
2036399180,16cyclictest22950-21sshd09:13:551
2036399180,13cyclictest11428-21sshd09:33:011
145582180,16sleep328950irq/26-ahci[00012:13:183
2036599170,6cyclictest31568-21sshd12:00:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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