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2026-04-18 - 16:16
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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 Apr 18, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1604921280,3sleep0115599cyclictest10:34:160
264021220,2sleep00-21swapper/012:15:180
2668421200,4sleep1116299cyclictest10:18:101
2073821200,2sleep120734-21sshd09:49:531
635211933,47sleep10-21swapper/107:06:471
2648321170,3sleep3116499cyclictest09:24:543
267752920,3sleep30-21swapper/312:28:283
305602880,5sleep00-21swapper/010:35:400
12342880,4sleep20-21swapper/211:52:202
282652870,3sleep20-21swapper/210:08:012
211462870,1sleep021141-21bash09:53:170
127672870,2sleep112765-21sshd10:53:291
89728533,48sleep30-21swapper/307:09:583
287902850,4sleep0115599cyclictest12:07:010
39542840,2sleep33951-21sshd11:22:323
61942830,0sleep00-21swapper/010:05:340
317992800,2sleep131794-21crond10:05:001
123162790,3sleep20-21swapper/209:19:332
88792780,1sleep20-21swapper/212:36:572
91802770,1sleep3116499cyclictest10:52:583
232032770,2sleep10-21swapper/109:13:381
15012770,2sleep20-21swapper/207:10:122
10342770,1sleep22024-21nfsd10:32:382
310122760,1sleep32512-21runrttasks12:14:573
287042760,1sleep028700-21sshd12:14:380
178142760,2sleep117803-21sa110:50:001
260282740,4sleep2116399cyclictest10:46:482
176682730,2sleep3116499cyclictest10:20:333
162932730,3sleep0115599cyclictest10:23:580
21282710,0sleep00-21swapper/010:19:010
87726734,21sleep20-21swapper/207:09:492
258452670,3sleep3116499cyclictest10:38:453
299752660,0sleep00-21swapper/012:28:490
315712610,2sleep2116399cyclictest12:21:572
48462600,2sleep2116399cyclictest09:34:192
65825933,14sleep00-21swapper/007:07:020
7522360,1sleep02512-21runrttasks12:03:490
196942340,32sleep3144650irq/27-eth010:17:253
286452320,3sleep30-21swapper/310:11:273
68382290,1sleep16837-21sshd09:26:211
293992290,27sleep1144650irq/27-eth011:02:391
132522290,4sleep30-21swapper/312:08:533
75582270,3sleep20-21swapper/211:00:112
62282272,23sleep3144650irq/27-eth010:56:323
194122270,0sleep00-21swapper/011:01:220
180342270,24sleep1144650irq/27-eth012:30:551
116399273,11cyclictest4758-21sshd11:25:592
246422260,1sleep00-21swapper/009:46:460
174252260,24sleep3144650irq/27-eth009:56:133
116299260,24cyclictest16601-21sshd12:05:381
45952250,2sleep24586-21sshd10:12:222
325042250,3sleep20-21swapper/210:43:322
304792250,3sleep230478-21sshd10:39:192
281772250,1sleep028175-21bash11:25:090
290522230,2sleep229055-21sshd12:28:422
229752230,2sleep10-21swapper/111:10:071
1162992320,2cyclictest31118-21sshd11:25:211
268232220,0sleep041ktimersoftd/011:51:350
116399226,9cyclictest20343-21id09:46:192
85562210,2sleep10-21swapper/109:41:401
82132210,2sleep18215-21bash10:40:221
116399210,2cyclictest0-21swapper/212:00:132
11202211,18sleep3144650irq/27-eth010:43:423
7622200,17sleep1144650irq/27-eth009:21:411
116622200,17sleep1144650irq/27-eth011:34:571
116399206,3cyclictest6850-21sshd11:22:512
203582191,16sleep1144650irq/27-eth011:20:471
151372190,1sleep015133-21sshd09:12:370
140892190,17sleep3144650irq/27-eth011:04:553
99842180,1sleep29985-21cpuspeed_turbos08:40:092
297102180,15sleep1144650irq/27-eth010:59:061
291872180,0sleep041ktimersoftd/011:17:560
116499187,4cyclictest747-21sshd11:48:513
116499182,9cyclictest22141-21bash10:07:213
116499182,8cyclictest25241-21sshd11:10:183
116399182,9cyclictest2024-21nfsd10:02:392
116399182,0cyclictest0-21swapper/211:16:442
116399182,0cyclictest0-21swapper/207:45:152
1163991814,3cyclictest2132-21sshd09:50:332
1163991813,4cyclictest31367-21bash10:29:002
1163991811,5cyclictest15697-21sshd11:12:502
116399181,0cyclictest0-21swapper/208:20:432
116399180,9cyclictest20048-21sshd11:32:012
116399180,4cyclictest29438-21sshd11:55:192
116299180,17cyclictest144650irq/27-eth011:40:111
115599189,4cyclictest0-21swapper/010:42:510
115599180,16cyclictest0-21swapper/010:10:310
104062182,14sleep228950irq/26-ahci[00010:19:562
116499178,2cyclictest25696-21sshd12:02:503
116499173,10cyclictest27109-21sshd09:10:203
116499172,1cyclictest144650irq/27-eth010:28:473
116499170,15cyclictest0-21swapper/309:27:303
116499170,13cyclictest44-21ksoftirqd/311:51:563
116399177,7cyclictest33-21ksoftirqd/209:44:412
116399175,9cyclictest5934-21sshd11:38:082
116399170,10cyclictest0-21swapper/211:41:292
116299178,5cyclictest31736-21sshd11:55:311
116299178,4cyclictest6687-21sshd09:18:561
116299178,4cyclictest28489-21sshd11:51:461
1162991712,4cyclictest26646-21sshd10:31:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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