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2026-04-03 - 22:45
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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 Apr 03, 2026 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1020321480,0sleep310204-21munin-node10:25:153
1409421120,2sleep30-21swapper/309:27:213
2704529732,44sleep10-21swapper/107:07:211
2711629433,57sleep30-21swapper/307:08:163
221572920,2sleep222156-21bash12:00:162
166852910,2sleep116619-21sshd09:53:001
150642900,1sleep115062-21sshd11:26:411
319592890,1sleep30-21swapper/311:54:283
234752860,0sleep00-21swapper/010:19:430
319812850,0sleep00-21swapper/009:11:280
310342850,0sleep00-21swapper/010:27:490
193872840,1sleep019384-21sshd10:37:390
109402830,3sleep02512-21runrttasks09:48:140
89332820,2sleep20-21swapper/210:40:002
92922780,2sleep39293-21bash10:18:103
256512770,2sleep22753299cyclictest11:35:072
178432750,0sleep30-21swapper/311:16:253
165422750,1sleep30-21swapper/311:59:453
252782740,2sleep225273-21sshd11:46:012
265632730,2sleep30-21swapper/311:31:193
208032730,2sleep120802-21bash09:34:561
259042720,2sleep20-21swapper/210:09:402
22852700,2sleep32276-21sshd09:15:153
250132690,1sleep125012-21sshd11:13:421
250132690,1sleep125012-21sshd11:13:421
170872660,2sleep317072-21sshd10:44:193
132062590,1sleep013207-21sshd11:15:540
80422580,1sleep38041-21sshd09:55:543
58622511,47sleep3144650irq/27-eth012:14:123
232962510,1sleep223297-21bash10:26:512
2718225034,12sleep20-21swapper/207:08:512
2722524833,11sleep00-21swapper/007:09:240
115052390,1sleep311506-21bash11:29:513
32812300,1sleep00-21swapper/010:57:380
190072290,2sleep20-21swapper/209:41:272
145872280,2sleep214582-21sshd11:26:382
48822270,4sleep12752799cyclictest10:03:411
274522270,3sleep20-21swapper/209:32:092
221352270,4sleep30-21swapper/309:31:333
313592260,24sleep3144650irq/27-eth012:33:043
298652260,2sleep129864-21sshd09:29:031
105182260,2sleep20-21swapper/211:15:362
248502250,3sleep32753699cyclictest12:20:333
248462230,2sleep10-21swapper/110:19:531
62122220,3sleep30-21swapper/311:36:283
11002220,0sleep00-21swapper/010:45:560
275722210,2sleep10-21swapper/109:58:281
60852200,4sleep32753699cyclictest11:08:153
173172200,2sleep30-21swapper/311:45:103
278772190,0sleep00-21swapper/011:31:280
268362191,16sleep1144650irq/27-eth010:23:301
211372190,2sleep121133-21sshd09:17:331
14342190,4sleep10-21swapper/111:00:481
2753699180,6cyclictest20843-21sshd09:45:203
2752799180,13cyclictest0-21swapper/112:38:141
262282181,15sleep3144650irq/27-eth010:06:093
247612180,16sleep1144650irq/27-eth010:05:581
212012180,1sleep041ktimersoftd/011:41:350
300932170,2sleep20-21swapper/211:14:152
300932170,2sleep20-21swapper/211:14:152
289202170,0sleep20-21swapper/209:39:102
2753699173,2cyclictest0-21swapper/309:36:023
2753699172,5cyclictest2132-21sshd11:02:113
2753699170,11cyclictest2132-21sshd12:05:133
2753299172,14cyclictest9196-21sshd09:26:492
27532991713,2cyclictest0-21swapper/209:10:292
27527991710,3cyclictest17908-21sshd10:40:501
2752799170,4cyclictest2132-21sshd09:10:231
2752799170,15cyclictest30207-21sshd09:39:191
232052170,1sleep10-21swapper/110:38:041
22292171,14sleep3144650irq/27-eth010:46:043
149272170,3sleep32753699cyclictest12:38:283
7152160,2sleep3716-21nfsd407:20:163
2753699168,6cyclictest27006-21sshd09:42:183
2753699163,3cyclictest2132-21sshd10:30:133
27536991610,2cyclictest15891-21sshd10:22:163
2753699160,6cyclictest0-21swapper/309:52:233
2753699160,4cyclictest17499-21sshd11:41:093
2753699160,4cyclictest144650irq/27-eth010:00:243
2753699160,14cyclictest14036-21sshd10:11:443
2753699160,14cyclictest0-21swapper/312:25:513
2753699160,13cyclictest0-21swapper/311:20:053
27532991612,3cyclictest36-21rcuop/210:54:572
2753299161,14cyclictest22690-21sshd12:28:402
2753299161,14cyclictest0-21swapper/209:58:552
2752799167,8cyclictest21102-21sshd12:31:541
2752799167,4cyclictest0-21swapper/109:45:011
27527991614,1cyclictest0-21swapper/108:29:171
2752799160,3cyclictest31684-21sshd11:07:311
2752799160,3cyclictest0-21swapper/111:35:151
2752799160,15cyclictest0-21swapper/112:25:551
2752799160,14cyclictest14813-21sshd12:15:131
2752799160,11cyclictest15427-21sshd12:07:051
2752399164,10cyclictest0-21swapper/011:25:120
27523991613,2cyclictest2132-21sshd12:01:230
2752399160,15cyclictest2022-21nfsd09:27:580
2752399160,15cyclictest0-21swapper/012:05:130
76132150,0sleep27606-21cp11:40:122
315182152,12sleep3144650irq/27-eth007:16:043
2753699158,5cyclictest23100-21sshd12:00:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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