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2026-08-18 - 19:34
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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 Tue Aug 18, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3155821380,0sleep031535-21sshd12:17:250
945921260,3sleep01742499cyclictest10:42:110
2680421230,4sleep11742599cyclictest11:56:431
2680421230,4sleep11742599cyclictest11:56:421
2164821220,4sleep11742599cyclictest09:22:371
1884621160,4sleep21742699cyclictest10:40:132
2533821150,2sleep10-21swapper/110:14:471
16899211033,47sleep30-21swapper/307:06:493
146672910,1sleep00-21swapper/009:59:100
184192900,1sleep018416-21sshd11:32:090
23442870,2sleep32343-21sshd09:35:123
201282870,3sleep20-21swapper/211:26:332
168882870,2sleep20-21swapper/210:36:592
114242870,2sleep10-21swapper/109:58:521
224182860,2sleep222415-21sshd09:54:082
228492850,0sleep00-21swapper/010:31:490
1698128534,47sleep10-21swapper/107:07:511
149632850,1sleep02024-21nfsd12:39:090
139202850,2sleep20-21swapper/212:36:032
100972850,5sleep30-21swapper/312:24:133
286032840,2sleep328598-21sshd11:54:043
272512830,2sleep327236-21sshd12:37:163
197472830,2sleep30-21swapper/309:45:193
196732810,2sleep119669-21sshd12:13:291
264492770,1sleep10-21swapper/109:17:161
192482770,2sleep319247-21bash10:02:273
126752770,1sleep012671-21bash12:12:480
307272760,1sleep10-21swapper/111:01:151
225722760,2sleep222569-21sshd11:47:212
320822750,1sleep20-21swapper/209:32:082
318072750,4sleep21742699cyclictest11:16:032
325062730,1sleep20-21swapper/210:29:512
115132730,1sleep111503-21sshd10:39:321
108152730,2sleep30-21swapper/311:14:123
137372710,4sleep31742799cyclictest10:22:183
135982710,1sleep213587-21sshd11:02:452
207152660,63sleep128950irq/26-ahci[00009:54:001
309522610,1sleep10-21swapper/111:18:551
1705226132,12sleep20-21swapper/207:08:412
1691625733,13sleep00-21swapper/007:07:020
28822480,3sleep22880-21sshd12:00:212
28822480,3sleep22880-21sshd12:00:202
250602420,3sleep10-21swapper/111:35:431
255352390,2sleep20-21swapper/209:22:572
291202380,0sleep229119-21bash09:26:112
107502320,4sleep20-21swapper/211:08:222
277632310,3sleep01742499cyclictest10:26:200
40972300,28sleep1144650irq/27-eth010:50:191
265422260,0sleep00-21swapper/009:25:570
172482260,2sleep10-21swapper/109:36:281
31382250,23sleep2144650irq/27-eth011:13:282
1742699251,11cyclictest29502-21sshd12:31:412
1742699250,5cyclictest2199-21sshd11:54:372
28592240,0sleep3431ktimersoftd/310:53:043
1742599242,7cyclictest22-21ksoftirqd/109:43:291
117342240,3sleep20-21swapper/210:59:402
92652230,2sleep39263-21bash11:43:223
78672230,3sleep31742799cyclictest11:19:453
210232230,2sleep321021-21sshd12:10:353
1742599234,11cyclictest22-21ksoftirqd/109:26:461
1742599233,7cyclictest22-21ksoftirqd/112:28:561
1742599232,8cyclictest22-21ksoftirqd/112:32:311
17425992316,5cyclictest8680-21sshd10:42:061
322882220,20sleep2144650irq/27-eth009:12:092
200712220,1sleep10-21swapper/110:31:341
1742599220,12cyclictest7846-21sshd12:24:021
1742499220,8cyclictest0-21swapper/011:43:560
56292210,2sleep10-21swapper/112:38:191
44732210,1sleep00-21swapper/010:47:280
181892210,0sleep041ktimersoftd/011:03:110
1742699215,3cyclictest15876-21sshd10:34:072
1742599213,11cyclictest22-21ksoftirqd/110:56:001
1742599210,10cyclictest0-21swapper/111:45:311
1742599203,15cyclictest22-21ksoftirqd/109:14:361
1742599202,17cyclictest22-21ksoftirqd/112:09:161
1742599202,17cyclictest22-21ksoftirqd/110:47:431
1742599201,3cyclictest22-21ksoftirqd/112:15:561
1742599201,2cyclictest144650irq/27-eth010:02:261
1742599200,4cyclictest144650irq/27-eth011:26:471
148852200,18sleep2144650irq/27-eth012:10:122
24422192,15sleep3144650irq/27-eth010:15:343
1742799190,17cyclictest0-21swapper/309:40:233
1742599193,3cyclictest22-21ksoftirqd/110:06:371
1742599193,3cyclictest22-21ksoftirqd/109:48:461
1742599191,2cyclictest32200-21sshd11:24:501
1742499192,13cyclictest7122-21sshd10:36:060
1742799183,13cyclictest2593-21sshd12:26:223
1742799182,14cyclictest27995-21bash09:17:233
1742699188,6cyclictest4877-21bash10:01:072
1742699184,7cyclictest23258-21bash10:17:262
1742699184,12cyclictest3685-21sshd09:15:162
1742599186,5cyclictest9378-21sshd11:43:221
1742599183,8cyclictest22-21ksoftirqd/111:34:241
1742599182,3cyclictest16357-21cp11:08:531
1742599180,9cyclictest0-21swapper/110:22:001
1742599180,10cyclictest0-21swapper/110:25:111
103632180,1sleep00-21swapper/011:08:200
58492170,15sleep3144650irq/27-eth011:22:233
207232170,0sleep020722-21bash09:36:460
1742799172,5cyclictest31222-21sshd09:23:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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