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2026-07-11 - 12:24
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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 Jul 11, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238021290,4sleep2310999cyclictest23:22:022
2756121200,0sleep227563-21sshd21:50:122
59022930,2sleep10-21swapper/121:26:271
183132900,4sleep20-21swapper/200:16:402
48512890,1sleep20-21swapper/223:29:472
255592880,0sleep00-21swapper/021:28:390
166022880,1sleep30-21swapper/322:57:553
243102860,2sleep30-21swapper/300:17:223
264128533,48sleep10-21swapper/119:07:261
120232850,2sleep10-21swapper/100:07:581
49822830,1sleep30-21swapper/322:30:583
316222830,1sleep08-21rcu_preempt21:43:050
258128332,47sleep30-21swapper/319:06:393
192872830,0sleep00-21swapper/023:23:560
255112820,1sleep20-21swapper/222:18:422
247602820,1sleep30-21swapper/322:22:043
251762810,1sleep225174-21sshd22:25:322
105252800,0sleep00-21swapper/000:38:020
310402790,3sleep22023-21nfsd22:40:502
304252780,2sleep3311099cyclictest00:36:363
224562780,1sleep022444-21sshd22:11:140
211982780,1sleep121202-21latency_hist19:50:001
59232750,0sleep00-21swapper/022:05:570
216202710,2sleep321619-21sshd22:50:573
286122640,1sleep10-21swapper/123:55:031
265426132,17sleep20-21swapper/219:07:352
72425832,4sleep00-21swapper/019:05:080
18532460,0sleep21854-21bash00:29:352
203072420,40sleep228950irq/26-ahci[00023:12:572
217162390,3sleep10-21swapper/123:05:221
13412350,2sleep11329-21sshd22:34:111
275182320,1sleep027513-21sshd21:13:400
231342290,0sleep00-21swapper/022:21:530
317802260,23sleep3144650irq/27-eth000:06:243
31892250,2sleep32512-21runrttasks22:37:513
272342250,0sleep027235-21sshd23:17:160
231462240,4sleep20-21swapper/223:42:422
224382240,22sleep3144650irq/27-eth022:47:373
146532240,2sleep20-21swapper/222:54:052
36582230,2sleep10-21swapper/122:52:401
310699235,16cyclictest22-21ksoftirqd/100:15:391
300682231,20sleep228950irq/26-ahci[00022:22:392
216472230,3sleep12021-21nfsd23:35:121
151412230,2sleep20-21swapper/223:30:522
81502220,3sleep2310999cyclictest00:22:492
4112220,2sleep20-21swapper/222:12:252
310699225,8cyclictest22-21ksoftirqd/123:19:551
310092220,20sleep1144650irq/27-eth022:37:221
296342220,2sleep229635-21bash00:36:322
222452220,2sleep0310199cyclictest21:20:300
164822220,2sleep20-21swapper/221:59:382
128112220,2sleep312810-21bash23:00:553
4722210,2sleep2473-21sshd21:10:422
310999213,9cyclictest3097-21rm23:55:402
310999213,9cyclictest12587-21sshd21:48:232
3106992113,0cyclictest22-21ksoftirqd/121:50:001
310699204,15cyclictest22-21ksoftirqd/121:57:361
310699203,13cyclictest22-21ksoftirqd/123:31:481
3106992011,4cyclictest22-21ksoftirqd/121:32:471
310199200,1cyclictest0-21swapper/022:02:320
254802200,0sleep00-21swapper/023:09:580
182292200,0sleep018223-21bash21:38:120
310699196,9cyclictest22-21ksoftirqd/122:58:441
310699194,3cyclictest0-21swapper/123:51:321
310699194,10cyclictest22-21ksoftirqd/123:21:061
310699193,12cyclictest22-21ksoftirqd/122:09:171
3106991912,6cyclictest22-21ksoftirqd/121:51:341
310699188,5cyclictest4236-21sshd00:26:101
310699186,11cyclictest22-21ksoftirqd/100:14:501
310699185,8cyclictest22-21ksoftirqd/121:24:191
310699181,0cyclictest19324-21sshd22:47:161
3106991810,7cyclictest22-21ksoftirqd/123:04:501
310699180,12cyclictest0-21swapper/100:36:241
310699180,10cyclictest0-21swapper/122:14:321
310199180,17cyclictest0-21swapper/000:10:470
281252180,16sleep3144650irq/27-eth022:04:583
228582180,16sleep1144650irq/27-eth022:40:021
311922170,15sleep3144650irq/27-eth021:54:163
311099178,3cyclictest0-21swapper/300:25:243
3110991712,4cyclictest30663-21sshd00:14:253
311099170,11cyclictest0-21swapper/321:33:353
310999171,3cyclictest2024-21nfsd00:31:432
3109991712,4cyclictest9277-21sshd22:02:292
3109991710,5cyclictest16322-21sshd21:15:492
310999170,15cyclictest0-21swapper/222:45:512
310699176,10cyclictest22824-21bash21:35:131
310699175,8cyclictest22-21ksoftirqd/123:13:031
310699175,8cyclictest22-21ksoftirqd/121:13:251
310699175,8cyclictest22-21ksoftirqd/100:00:231
310699174,9cyclictest22-21ksoftirqd/122:27:071
310699174,1cyclictest492-21sshd23:25:201
3106991712,3cyclictest0-21swapper/122:16:291
310699171,1cyclictest9686-21bash21:15:131
3106991710,6cyclictest0-21swapper/122:00:401
310699170,11cyclictest13364-21sshd21:44:381
310199178,8cyclictest0-21swapper/021:52:420
310199177,6cyclictest0-21swapper/021:15:350
311099168,3cyclictest22594-21sshd23:31:423
311099167,3cyclictest18625-21sshd22:07:243
311099162,9cyclictest1703-21sshd21:43:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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