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2026-04-27 - 14:42
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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 Mon Apr 27, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2586221180,3sleep12916199cyclictest09:31:101
565321090,13sleep3144650irq/27-eth011:28:103
1092821000,2sleep310920-21sshd09:40:143
2686629732,44sleep30-21swapper/307:05:093
290092960,1sleep10-21swapper/109:24:381
163922950,2sleep32024-21nfsd12:20:123
62172940,3sleep12916199cyclictest11:38:581
101862920,2sleep30-21swapper/312:12:063
162602910,3sleep30-21swapper/311:47:183
162602910,3sleep30-21swapper/311:47:183
134212910,0sleep00-21swapper/010:10:090
267852890,2sleep30-21swapper/311:37:403
47612880,2sleep30-21swapper/309:54:053
266042880,0sleep02023-21nfsd09:49:330
13782880,0sleep00-21swapper/010:39:090
58982860,2sleep10-21swapper/110:53:211
231122860,1sleep10-21swapper/111:44:311
218492840,0sleep00-21swapper/009:13:420
323342830,1sleep132268-21sshd12:18:251
137152810,8sleep00-21swapper/010:02:070
59552800,1sleep25954-21sshd09:15:202
2863728032,44sleep10-21swapper/107:06:511
265582790,4sleep12916199cyclictest11:55:371
199222790,2sleep30-21swapper/311:58:563
197462780,2sleep32512-21runrttasks09:45:153
226642770,3sleep10-21swapper/110:11:091
166162770,1sleep00-21swapper/011:32:470
233012760,4sleep32916399cyclictest11:22:533
227922760,2sleep30-21swapper/310:19:173
182982750,2sleep318295-21sshd10:34:043
204382720,1sleep30-21swapper/311:19:083
88452710,1sleep10-21swapper/112:08:271
290912710,2sleep20-21swapper/211:37:542
2864826532,12sleep20-21swapper/207:07:012
271382600,2sleep10-21swapper/110:45:151
2884625933,4sleep00-21swapper/007:09:300
279312510,0sleep227933-21sshd10:11:502
197552350,5sleep10-21swapper/110:26:491
26602340,4sleep20-21swapper/209:32:112
230372340,1sleep30-21swapper/310:48:193
101002330,1sleep010096-21sshd09:44:070
247342320,1sleep20-21swapper/212:36:092
98772300,4sleep00-21swapper/012:31:020
91802280,2sleep20-21swapper/210:01:322
74042270,3sleep20-21swapper/209:12:082
210882270,3sleep12024-21nfsd09:16:551
175212270,2sleep10-21swapper/112:39:211
2916199260,4cyclictest17118-21bash09:58:491
303232250,0sleep00-21swapper/012:03:460
211022250,1sleep30-21swapper/309:13:373
11202250,3sleep08-21rcu_preempt11:38:250
191582230,1sleep20-21swapper/209:55:282
151212230,0sleep20-21swapper/212:16:302
117142230,3sleep30-21swapper/312:38:353
324972220,20sleep3144650irq/27-eth010:39:013
302292220,3sleep20-21swapper/209:38:412
128252220,2sleep20-21swapper/209:48:022
2916299213,3cyclictest23069-21sshd09:27:192
207502210,1sleep020733-21sshd11:05:150
109092210,3sleep12916199cyclictest11:14:381
104462210,2sleep30-21swapper/309:15:453
41902200,18sleep1144650irq/27-eth012:00:511
29161992018,1cyclictest0-21swapper/107:52:091
188102200,18sleep1144650irq/27-eth012:32:051
322952190,17sleep1144650irq/27-eth009:38:561
2916299195,2cyclictest153250irq/28-eth1-rx-10:33:292
2916299195,2cyclictest153250irq/28-eth1-rx-10:28:132
2916199197,8cyclictest0-21swapper/112:26:461
2916199197,3cyclictest0-21swapper/109:14:081
2916199190,11cyclictest0-21swapper/110:16:521
125432190,1sleep20-21swapper/211:46:522
125432190,1sleep20-21swapper/211:46:522
113172190,2sleep10-21swapper/111:54:011
113172190,2sleep10-21swapper/111:54:001
91962180,1sleep20-21swapper/210:40:002
74442180,16sleep328950irq/26-ahci[00010:56:563
2916299183,9cyclictest21131-21sshd11:19:122
2916299183,8cyclictest0-21swapper/212:01:532
2916299182,14cyclictest0-21swapper/211:30:152
2916299180,13cyclictest0-21swapper/208:15:292
2916199180,10cyclictest0-21swapper/112:14:131
29082180,1sleep10-21swapper/109:25:131
100972180,1sleep10-21swapper/109:51:061
2916399178,5cyclictest18896-21sshd10:26:413
2916399172,14cyclictest0-21swapper/310:24:443
29163991711,4cyclictest1735-21sshd11:41:543
2916399170,16cyclictest0-21swapper/310:14:003
2916299175,5cyclictest13111-21sshd09:40:232
2916299174,6cyclictest6862-21sshd10:56:522
2916299174,6cyclictest0-21swapper/211:11:592
2916299173,6cyclictest20697-21sshd11:08:452
2916299170,13cyclictest12239-21sshd12:34:572
2916199171,10cyclictest25-21rcuop/110:40:151
2916199170,15cyclictest0-21swapper/107:15:191
2916199170,12cyclictest3908-21sshd09:43:211
29160991715,1cyclictest0-21swapper/012:18:300
237612170,15sleep1144650irq/27-eth011:19:321
230632170,15sleep1144650irq/27-eth010:07:211
29163991611,3cyclictest16988-21sshd10:02:323
2916399160,4cyclictest17277-21sshd09:23:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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