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2026-08-23 - 08:08
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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 Sun Aug 23, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2939221380,1sleep00-21swapper/022:07:200
1916221310,1sleep00-21swapper/000:18:010
220321200,2sleep10-21swapper/100:10:411
1461021200,1sleep30-21swapper/321:54:493
2213621170,0sleep00-21swapper/021:12:090
1141821140,2sleep20-21swapper/221:22:372
137402980,1sleep10-21swapper/122:08:501
313522960,2sleep20-21swapper/222:25:092
287712940,1sleep00-21swapper/021:30:010
138232940,2sleep20-21swapper/200:11:462
297532920,1sleep229739-21sshd21:50:232
82222910,2sleep10-21swapper/122:25:521
210682910,4sleep30-21swapper/323:14:043
658429032,54sleep10-21swapper/119:08:471
169062880,3sleep116902-21sshd23:25:451
124922880,1sleep32024-21nfsd23:54:163
164422870,1sleep30-21swapper/321:49:193
120552870,2sleep30-21swapper/322:41:023
77722860,2sleep12024-21nfsd23:01:111
65182850,1sleep10-21swapper/100:19:511
642828533,48sleep30-21swapper/319:06:493
188032850,0sleep00-21swapper/022:41:390
94892830,2sleep30-21swapper/321:42:503
255252830,1sleep225474-21sshd23:00:002
66742820,2sleep30-21swapper/300:28:273
302142820,2sleep330199-21sshd22:04:383
273482820,2sleep327346-21bash23:46:513
248422820,2sleep12066-21nscd00:04:041
175922820,0sleep00-21swapper/021:46:320
235662810,1sleep023550-21sshd21:58:220
234372810,3sleep20-21swapper/223:05:302
234372810,3sleep20-21swapper/223:05:292
263162800,4sleep20-21swapper/222:24:412
90952790,2sleep20-21swapper/222:35:002
75572770,4sleep2694499cyclictest23:50:462
270222750,0sleep00-21swapper/022:54:210
198442740,2sleep3422-21jbd2/dm-0-800:12:203
149012740,1sleep014899-21sshd22:00:230
167372730,3sleep10-21swapper/123:34:251
151222730,0sleep00-21swapper/023:19:370
281282720,0sleep00-21swapper/019:55:140
252352710,0sleep00-21swapper/021:00:160
280292700,2sleep30-21swapper/323:38:163
251752660,2sleep1694399cyclictest00:38:461
37072650,1sleep30-21swapper/321:33:413
148912650,3sleep20-21swapper/221:40:212
662926032,16sleep20-21swapper/219:09:212
635424932,4sleep00-21swapper/019:06:020
280592440,42sleep2144650irq/27-eth022:42:302
312632380,0sleep00-21swapper/000:24:550
280682360,2sleep00-21swapper/021:50:170
46012350,0sleep34600-21bash23:56:203
35262310,29sleep2144650irq/27-eth021:59:302
41342300,4sleep20-21swapper/200:36:512
184542300,26sleep2144650irq/27-eth023:25:542
45032290,6sleep20-21swapper/221:45:222
23142291,26sleep128950irq/26-ahci[00023:41:451
11662290,0sleep00-21swapper/023:50:160
172232260,2sleep217208-21sshd21:17:282
86172250,1sleep08614-21sshd23:12:530
77032230,21sleep2144650irq/27-eth021:25:122
77032230,21sleep2144650irq/27-eth021:25:112
73352230,0sleep17333-21sshd23:09:541
73352230,0sleep17333-21sshd23:09:541
694299231,16cyclictest0-21swapper/000:27:520
63922230,2sleep36382-21sshd22:10:573
309652230,2sleep330959-21sshd22:28:083
268812230,1sleep10-21swapper/121:24:021
242482230,1sleep224233-21sshd00:30:032
694599222,1cyclictest8144-21id22:08:193
694299221,15cyclictest0-21swapper/023:43:380
694299221,14cyclictest24640-21sshd23:05:360
694299221,14cyclictest24640-21sshd23:05:350
694299220,1cyclictest144650irq/27-eth022:16:450
694499214,3cyclictest0-21swapper/221:31:512
694499213,10cyclictest0-21swapper/223:14:032
6944992117,3cyclictest1499-21sshd23:38:492
694499210,20cyclictest0-21swapper/219:24:552
694299211,6cyclictest0-21swapper/023:24:490
694299211,13cyclictest2132-21sshd22:46:390
694299211,13cyclictest0-21swapper/021:21:430
68092210,19sleep2144650irq/27-eth023:30:352
251152210,19sleep2144650irq/27-eth019:50:112
206602210,0sleep020658-21bash21:40:510
76562200,0sleep00-21swapper/023:01:110
694299208,7cyclictest21610-21bash00:06:400
694299203,5cyclictest0-21swapper/022:59:300
694299201,8cyclictest0-21swapper/021:15:290
6942992017,2cyclictest15105-21sshd22:32:360
694299201,5cyclictest0-21swapper/000:12:220
694299201,14cyclictest0-21swapper/023:28:260
694299200,19cyclictest0-21swapper/022:10:530
694299200,14cyclictest10537-21sshd23:33:520
35752201,17sleep2144650irq/27-eth021:36:332
694499193,11cyclictest31424-21sshd22:04:452
694299198,5cyclictest32163-21sshd21:27:170
694299198,5cyclictest32163-21sshd21:27:160
694299198,5cyclictest18191-21sshd23:37:230
694299192,12cyclictest0-21swapper/022:25:180
694299191,5cyclictest0-21swapper/000:00:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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