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2026-06-02 - 07:51
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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 rack3slot0.osadl.org (updated Tue Jun 02, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3162499123121,1cyclictest1844-21nfsd22:39:351
316459911436,53cyclictest721-21dbus-daemon22:39:364
292842920,0sleep529285-21sshd00:04:295
31664998452,0cyclictest0-21swapper/622:39:366
208702560,0sleep420845-21sshd21:17:284
188922540,0sleep10-21swapper/100:13:141
175982510,0sleep30-21swapper/323:39:443
3127425027,8sleep20-21swapper/219:06:192
3109825024,9sleep40-21swapper/419:03:574
48512490,0sleep20-21swapper/221:33:122
3141424926,8sleep70-21swapper/719:08:167
187882490,0sleep20-21swapper/200:05:462
14162490,1sleep71410-21sshd00:30:427
109802490,0sleep40-21swapper/422:34:334
44902480,0sleep30-21swapper/323:29:433
3123924824,20sleep00-21swapper/019:05:530
171862480,0sleep10-21swapper/121:13:331
232412470,0sleep723244-21kworker/u16:122:44:297
153682470,0sleep40-21swapper/423:48:504
113932460,0sleep50-21swapper/523:39:225
87642450,0sleep38763-21sshd22:49:143
35432440,0sleep30-21swapper/322:26:473
31630994439,4cyclictest13550irq/24-ahci[00022:39:362
22302440,0sleep30-21swapper/322:08:133
319512420,0sleep40-21swapper/400:10:124
233762420,0sleep20-21swapper/222:37:122
31616994140,1cyclictest17957-21kworker/0:222:39:360
274662410,0sleep427464-21sshd22:02:134
188582410,0sleep40-21swapper/423:13:504
129812410,2sleep63166499cyclictest22:38:286
3133524022,4sleep50-21swapper/519:07:105
3127524027,9sleep30-21swapper/319:06:203
3109324027,9sleep10-21swapper/119:03:541
271172400,2sleep03161699cyclictest00:15:290
235412400,0sleep20-21swapper/221:23:112
204942400,0sleep60-21swapper/600:03:586
139242400,0sleep10-21swapper/123:28:281
252002390,2sleep13162499cyclictest23:19:471
193062390,0sleep40-21swapper/400:24:144
61912380,2sleep23163099cyclictest23:15:002
3115423827,8sleep60-21swapper/619:04:476
103662370,0sleep10-21swapper/100:34:521
313962360,1sleep531399-21grepconf.sh23:18:235
3165299350,28cyclictest0-21swapper/522:39:365
203252320,0sleep50-21swapper/522:44:195
303032280,0sleep1231rcuc/121:23:341
3161699247,2cyclictest9-21ksoftirqd/023:44:520
31652992313,6cyclictest57-21ksoftirqd/521:30:225
3165299229,2cyclictest57-21ksoftirqd/523:23:465
3165299229,1cyclictest57-21ksoftirqd/521:46:225
3165299228,3cyclictest57-21ksoftirqd/523:30:305
3163799224,7cyclictest1-21systemd00:26:193
3163799224,5cyclictest993-21grep21:49:353
3161699220,5cyclictest20356-21sshd00:09:310
3165299217,3cyclictest57-21ksoftirqd/521:12:445
3165299213,4cyclictest57-21ksoftirqd/523:20:295
31652992120,1cyclictest57-21ksoftirqd/500:31:395
31652992116,3cyclictest464-21systemd-journal21:20:425
3163799214,5cyclictest721-21dbus-daemon22:46:313
3163799213,7cyclictest31073-21sshd21:36:323
3163799213,4cyclictest22760-21bash22:55:373
31637992120,1cyclictest1-21systemd22:39:363
3161699217,3cyclictest9-21ksoftirqd/022:53:090
4422200,0sleep40-21swapper/423:44:174
3167299200,20cyclictest26853-21kworker/7:522:39:367
3167299200,2cyclictest19925-21sshd00:28:067
3167299200,1cyclictest0-21swapper/723:29:217
3165299208,3cyclictest57-21ksoftirqd/523:54:105
3165299207,1cyclictest57-21ksoftirqd/521:56:485
3163799205,5cyclictest32020-21grepconf.sh23:49:493
3163799204,6cyclictest30339-21bash21:40:103
3163799204,6cyclictest24230-21sd-pam22:29:463
3163799204,6cyclictest24230-21sd-pam22:29:463
3163799204,6cyclictest1-21systemd22:11:263
3163799204,5cyclictest8509-21grepconf.sh21:14:493
3163799204,5cyclictest26867-21grepconf.sh22:22:353
3163799204,5cyclictest19614-21grep21:28:303
3163799204,5cyclictest18528-21sshd21:59:493
3163799203,6cyclictest28941-21grepconf.sh00:28:363
3163799203,6cyclictest15970-21sshd23:58:163
3163799203,5cyclictest19436-21grep23:38:043
3163799203,4cyclictest1-21systemd23:25:383
3163799203,3cyclictest4883-21sshd22:15:443
3163799200,4cyclictest10030-21cstates22:58:383
3161699208,2cyclictest9-21ksoftirqd/022:21:130
31616992016,2cyclictest9-21ksoftirqd/022:00:200
3161699201,3cyclictest3288-21bash21:47:570
3161699200,6cyclictest13641-21sshd22:34:420
3167299190,2cyclictest16515-21systemd22:18:197
3167299190,2cyclictest1-21systemd00:04:147
3167299190,1cyclictest0-21swapper/722:48:497
3165299199,1cyclictest57-21ksoftirqd/521:38:325
3165299197,2cyclictest57-21ksoftirqd/523:03:405
3165299196,1cyclictest57-21ksoftirqd/522:04:225
3165299195,2cyclictest57-21ksoftirqd/500:23:505
3165299194,3cyclictest57-21ksoftirqd/523:12:505
3165299194,2cyclictest57-21ksoftirqd/500:17:025
3165299194,1cyclictest57-21ksoftirqd/523:48:465
31652991916,3cyclictest57-21ksoftirqd/522:29:085
31652991916,3cyclictest57-21ksoftirqd/522:29:085
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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