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2026-01-10 - 22:37
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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 Jan 10, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
838621300,4sleep12012499cyclictest09:37:141
706121230,1sleep12012499cyclictest10:11:401
116521200,3sleep21164-21bash11:24:182
939521160,1sleep10-21swapper/111:39:121
666421000,0sleep00-21swapper/010:49:580
45442980,0sleep00-21swapper/009:50:360
257472930,0sleep00-21swapper/012:33:450
1980929324,40sleep30-21swapper/307:09:133
246692890,1sleep024665-21sshd11:33:500
121352890,1sleep30-21swapper/310:08:493
246942880,1sleep024692-21id09:45:510
205052880,3sleep22012999cyclictest09:52:222
112562880,1sleep02439-21runrttasks10:32:580
39402860,1sleep12012499cyclictest10:04:311
243122860,2sleep20-21swapper/212:33:352
1968928635,46sleep10-21swapper/107:07:411
14182860,0sleep00-21swapper/010:07:390
67512840,4sleep20-21swapper/209:37:022
53182830,3sleep25320-21sshd09:33:302
236452830,3sleep30-21swapper/311:37:093
227142830,1sleep022711-21bash10:23:500
109812820,3sleep30-21swapper/312:25:073
268532810,2sleep226851-21bash11:26:592
21722810,3sleep30-21swapper/310:28:333
164232810,1sleep216422-21sshd12:18:362
94902800,3sleep19488-21sshd09:51:081
81272800,2sleep10-21swapper/112:21:081
123442800,5sleep32013399cyclictest10:33:053
319762790,1sleep30-21swapper/309:12:163
27412790,2sleep30-21swapper/310:21:363
244732790,1sleep124462-21sshd10:44:541
308912780,1sleep30-21swapper/309:36:073
188522760,2sleep20-21swapper/210:23:242
163272730,2sleep316324-21sshd11:25:483
260372720,2sleep226029-21sshd10:51:572
153952720,2sleep12012499cyclictest10:09:121
272132650,4sleep22012999cyclictest12:37:242
1956625834,12sleep20-21swapper/207:06:062
267402530,2sleep32013399cyclictest09:25:213
1969824933,13sleep00-21swapper/007:07:480
224132470,0sleep122414-21sshd09:59:341
224132470,0sleep122414-21sshd09:59:331
299662430,0sleep229965-21bash10:59:262
273002340,4sleep30-21swapper/312:09:163
273002340,4sleep30-21swapper/312:09:163
270332290,3sleep12012499cyclictest09:28:571
24312290,2sleep10-21swapper/110:32:001
230332290,2sleep323030-21sshd11:09:083
239002280,1sleep00-21swapper/009:28:350
157682280,1sleep015762-21sshd09:10:280
303522260,2sleep20-21swapper/211:34:282
282532250,2sleep10-21swapper/110:27:501
224902250,23sleep1137550irq/27-eth009:45:361
68502240,22sleep3137550irq/27-eth012:14:053
183812240,1sleep30-21swapper/311:15:303
3142230,21sleep3137550irq/27-eth010:52:433
174502230,2sleep20-21swapper/210:40:302
91492220,2sleep10-21swapper/111:14:401
2012999228,5cyclictest24442-21sshd09:59:482
2012999228,5cyclictest24442-21sshd09:59:482
2012999223,9cyclictest20911-21sshd12:26:032
19492220,20sleep1137550irq/27-eth011:34:561
76422210,1sleep32013399cyclictest11:14:293
269602210,2sleep30-21swapper/309:32:183
255642210,19sleep2137550irq/27-eth011:40:512
210092210,19sleep3137550irq/27-eth011:33:263
17642210,2sleep21883-21nfsd09:26:092
280532200,1sleep30-21swapper/309:56:363
280532200,1sleep30-21swapper/309:56:353
155432200,3sleep10-21swapper/111:50:181
217122190,17sleep110850irq/23-ehci_hcd12:05:101
217122190,17sleep110850irq/23-ehci_hcd12:05:101
2013399193,2cyclictest26764-21sshd10:10:193
2012999196,4cyclictest12202-21sshd09:10:122
2012999192,3cyclictest20704-21bash09:48:592
171112190,6sleep03-21ksoftirqd/012:00:590
80052180,0sleep00-21swapper/010:15:160
300762180,16sleep1137550irq/27-eth010:21:021
285672180,0sleep041ktimersoftd/012:23:270
2013399180,6cyclictest0-21swapper/309:23:573
2013399180,4cyclictest31911-21sshd11:03:053
2013399180,3cyclictest5972-21sshd09:54:213
2013399180,12cyclictest27979-21sshd12:34:013
2012999183,3cyclictest1993-21sshd11:51:422
2012099180,12cyclictest0-21swapper/011:43:370
216712170,15sleep3137550irq/27-eth009:49:073
2013399174,11cyclictest21118-21sshd11:40:213
2013399170,15cyclictest0-21swapper/312:21:353
2013399170,15cyclictest0-21swapper/310:47:153
2012999175,6cyclictest6855-21sshd11:35:192
2012999175,3cyclictest28864-21sshd10:45:162
2012999172,4cyclictest16012-21sshd10:05:392
2012999171,5cyclictest0-21swapper/210:27:462
2012499170,15cyclictest0-21swapper/111:26:411
237682160,14sleep1137550irq/27-eth012:30:031
2013399165,9cyclictest0-21swapper/310:03:333
20133991613,1cyclictest0-21swapper/308:35:173
2013399160,14cyclictest28232-21sshd10:17:263
2013399160,14cyclictest0-21swapper/310:37:043
2013399160,12cyclictest0-21swapper/309:15:493
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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