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2026-05-30 - 02:22
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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 May 30, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1858721310,2sleep30-21swapper/300:17:393
1693521250,2sleep316932-21sshd22:44:053
350921240,4sleep32584399cyclictest22:53:553
1744021240,1sleep20-21swapper/222:07:382
1044821150,1sleep30-21swapper/300:34:223
2205921120,2sleep222058-21sshd00:03:232
1853321000,4sleep10-21swapper/122:29:371
55702960,2sleep22024-21nfsd21:55:112
2542029633,50sleep30-21swapper/319:07:573
282972920,3sleep20-21swapper/223:53:132
2534329232,56sleep10-21swapper/119:07:001
103182910,2sleep20-21swapper/223:35:502
98662880,3sleep30-21swapper/323:35:473
222692870,3sleep20-21swapper/200:28:402
28792860,1sleep10-21swapper/121:25:371
239862850,2sleep32512-21runrttasks22:48:593
211682830,3sleep02584099cyclictest00:10:150
229162820,2sleep20-21swapper/221:17:322
147662820,0sleep00-21swapper/022:29:110
148342810,3sleep20-21swapper/200:20:462
104232810,0sleep00-21swapper/023:14:000
23872800,2sleep22512-21runrttasks21:25:342
49452770,1sleep30-21swapper/321:25:513
250472770,1sleep30-21swapper/323:26:093
109002770,0sleep00-21swapper/000:02:090
78372760,1sleep00-21swapper/021:40:320
284202740,3sleep32584399cyclictest23:34:113
83812730,4sleep12584199cyclictest22:50:521
58342730,3sleep02584099cyclictest22:50:350
118012730,1sleep20-21swapper/223:28:172
98912710,2sleep30-21swapper/300:23:523
291932690,0sleep00-21swapper/021:47:240
205182690,4sleep22584299cyclictest22:29:492
4992660,1sleep3497-21sshd23:12:393
2532225832,4sleep00-21swapper/019:06:420
2542925632,12sleep20-21swapper/219:08:042
52492360,1sleep10-21swapper/100:12:081
318322360,2sleep30-21swapper/323:46:053
138752350,3sleep30-21swapper/323:02:453
135702350,2sleep313566-21sshd22:32:283
231152280,2sleep12023-21nfsd23:45:111
55092270,2sleep32584399cyclictest22:39:123
233062260,3sleep223303-21sshd21:24:302
174392261,23sleep2144650irq/27-eth022:15:242
166822262,14sleep1144650irq/27-eth000:28:041
105782260,2sleep20-21swapper/222:47:052
151882250,2sleep12512-21runrttasks23:44:071
268942240,0sleep326892-21sshd22:16:333
2584199240,22cyclictest22308-21sshd00:35:291
209032240,2sleep120895-21sshd00:21:301
29272230,2sleep32926-21sshd21:12:003
290242230,2sleep10-21swapper/122:56:501
290242230,2sleep10-21swapper/122:56:501
195662230,0sleep00-21swapper/021:20:310
164452230,2sleep10-21swapper/121:41:401
25841992219,2cyclictest0-21swapper/123:33:161
201272221,19sleep228950irq/26-ahci[00022:33:112
108882220,2sleep20-21swapper/200:34:252
322042210,2sleep232196-21sshd23:57:302
210042210,2sleep321003-21sshd00:25:043
88452200,0sleep18842-21sshd00:08:551
37372200,18sleep1144650irq/27-eth020:41:231
2584299200,16cyclictest11635-21sshd22:03:102
25841992018,1cyclictest0-21swapper/122:16:321
254052200,2sleep325404-21bash00:35:503
25082200,2sleep22505-21sshd23:09:062
25840991910,2cyclictest0-21swapper/022:31:430
2584099190,12cyclictest0-21swapper/023:19:480
178052190,17sleep3144650irq/27-eth023:18:333
98052180,2sleep29800-21sshd21:52:112
2584099180,17cyclictest4583-21sshd21:32:570
217852180,1sleep00-21swapper/023:33:160
2584399172,4cyclictest18061-21ls21:20:223
25843991712,4cyclictest12057-21sshd22:28:543
2584299177,6cyclictest18544-21sshd23:03:252
2584299170,5cyclictest0-21swapper/221:36:022
2584299170,16cyclictest11454-21sshd23:43:362
2584299170,10cyclictest28345-21bash23:30:042
2584199178,3cyclictest0-21swapper/121:38:471
2584199172,14cyclictest0-21swapper/123:06:191
2584099178,3cyclictest0-21swapper/023:49:080
25840991713,1cyclictest3-21ksoftirqd/021:54:090
2584099170,3cyclictest0-21swapper/023:28:150
2584099170,2cyclictest0-21swapper/023:58:290
2584099170,1cyclictest0-21swapper/021:15:080
2584099170,11cyclictest0-21swapper/000:30:400
33412161,13sleep3144650irq/27-eth023:50:073
306482160,0sleep330647-21bash21:39:373
2584399168,3cyclictest22692-21sshd00:14:333
2584399163,9cyclictest13332-21bash23:55:243
25843991614,1cyclictest0-21swapper/322:13:413
25843991613,2cyclictest20271-21sshd21:30:553
2584399161,14cyclictest0-21swapper/321:51:093
2584399160,14cyclictest7424-21sshd00:08:463
2584399160,14cyclictest0-21swapper/300:00:353
2584399160,11cyclictest15846-21sshd22:07:273
2584299167,5cyclictest28641-21sshd23:16:092
2584299162,12cyclictest17285-21cut21:10:112
25842991612,3cyclictest27638-21sshd23:11:562
25842991610,5cyclictest0-21swapper/221:33:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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