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2026-04-24 - 17:27
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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 24, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1651321240,3sleep03159199cyclictest11:00:480
802421170,0sleep00-21swapper/010:30:060
156272970,3sleep03159199cyclictest09:19:340
252602960,2sleep225257-21bash11:22:542
183652960,2sleep218367-21sshd10:23:552
2963229432,42sleep10-21swapper/107:05:131
281192910,1sleep20-21swapper/210:06:482
275282910,2sleep10-21swapper/111:23:091
26442900,2sleep12638-21sshd10:15:011
153782880,0sleep115375-21sshd11:58:231
3119028633,43sleep30-21swapper/307:08:243
265012860,1sleep10-21swapper/110:43:461
262932850,2sleep30-21swapper/309:24:013
26052850,2sleep041ktimersoftd/010:41:080
47612820,1sleep00-21swapper/009:53:360
320672820,2sleep132018-21sshd12:26:051
106872820,1sleep30-21swapper/312:08:553
47952810,2sleep12024-21nfsd11:17:161
167092810,2sleep10-21swapper/111:07:541
138932810,2sleep33159499cyclictest11:47:113
173172800,2sleep20-21swapper/210:56:572
310882790,2sleep30-21swapper/310:36:513
51382760,2sleep10-21swapper/112:19:031
50592760,3sleep13159299cyclictest09:49:481
31002760,2sleep10-21swapper/110:37:251
280462760,2sleep128038-21sshd09:44:581
59302750,1sleep20-21swapper/208:35:122
138862740,2sleep20-21swapper/212:27:512
3113727334,12sleep20-21swapper/207:07:432
94002720,2sleep29395-21bash10:49:012
247622720,1sleep20-21swapper/209:37:232
97212710,2sleep10-21swapper/110:04:391
262862710,2sleep226285-21sshd12:21:172
213472680,4sleep33159499cyclictest11:29:363
42822670,4sleep13159299cyclictest09:31:491
42822670,4sleep13159299cyclictest09:31:491
56752660,1sleep08-21rcu_preempt11:27:530
265822650,1sleep026581-21sshd11:05:210
317432640,2sleep30-21swapper/310:44:203
283232600,0sleep03-21ksoftirqd/010:02:570
3104625532,11sleep00-21swapper/007:06:330
40782350,2sleep10-21swapper/111:53:351
236112350,0sleep223612-21bash11:29:522
55982330,2sleep35594-21sshd09:35:203
42182330,1sleep20-21swapper/209:42:242
111872310,4sleep30-21swapper/310:23:083
105412310,3sleep10-21swapper/112:01:401
293372280,26sleep2144650irq/27-eth009:14:162
126992280,25sleep2144650irq/27-eth011:54:322
273642273,21sleep2144650irq/27-eth009:52:302
157342260,4sleep22512-21runrttasks12:39:452
92712250,3sleep29272-21sshd10:04:362
3159399251,17cyclictest890-21sshd09:28:072
183642250,3sleep30-21swapper/311:11:493
3159399248,6cyclictest0-21swapper/210:34:532
280402240,0sleep328037-21sshd10:54:383
108802230,2sleep10-21swapper/110:52:441
3159399221,9cyclictest32254-21bash11:49:352
196182220,19sleep2144650irq/27-eth009:55:112
101912220,3sleep310176-21sshd11:00:113
3159399217,6cyclictest6977-21sshd12:12:072
3159399211,8cyclictest23102-21bash10:17:072
3159399208,5cyclictest36-21rcuop/211:05:242
3159399201,9cyclictest6343-21sshd11:14:032
270212200,2sleep327020-21bash09:55:513
160932200,2sleep30-21swapper/309:43:413
145232200,1sleep20-21swapper/211:58:162
3159399195,2cyclictest24096-21sshd09:33:572
3159399195,2cyclictest24096-21sshd09:33:562
59422180,3sleep03159199cyclictest09:39:010
35552180,16sleep2144650irq/27-eth010:44:482
3159199185,12cyclictest0-21swapper/008:07:500
3159199181,12cyclictest28473-21bash09:45:010
3159199180,9cyclictest27963-21munin-run11:45:000
3159199180,14cyclictest0-21swapper/011:24:540
121532180,2sleep10-21swapper/111:25:091
115192180,0sleep00-21swapper/009:29:140
84622170,16sleep228950irq/26-ahci[00010:26:132
3159499171,15cyclictest27426-21sshd10:32:223
3159399177,5cyclictest31887-21sshd09:24:372
3159399175,11cyclictest153250irq/28-eth1-rx-11:16:512
3159399173,9cyclictest0-21swapper/212:31:502
3159399171,6cyclictest637-21sshd11:02:392
31593991713,3cyclictest29117-21sshd11:30:192
3159199171,12cyclictest144650irq/27-eth012:38:310
3159199170,13cyclictest0-21swapper/012:18:560
3159199170,12cyclictest10151-21sshd12:08:510
307962170,1sleep00-21swapper/009:56:160
299482170,1sleep20-21swapper/210:51:042
3159499162,13cyclictest957-21sshd12:00:333
3159499161,14cyclictest29434-21sshd09:31:013
3159499161,14cyclictest29434-21sshd09:31:003
31594991611,4cyclictest1827-21sshd10:14:563
3159499161,13cyclictest30858-21sshd09:48:573
3159499161,13cyclictest0-21swapper/311:40:113
3159399165,7cyclictest153250irq/28-eth1-rx-10:13:502
3159399164,7cyclictest2024-21nfsd12:08:272
3159399164,7cyclictest153250irq/28-eth1-rx-11:41:082
3159399164,6cyclictest0-21swapper/207:35:152
31592991612,3cyclictest16143-21bash11:43:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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