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2026-08-23 - 01:10
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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 all highest latencies:
System rack6slot5.osadl.org (updated Sat Aug 22, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
231299101105284,4813cyclictest10874-21kworker/0:208:17:040
23129994465015,4429cyclictest15184-21kworker/0:107:12:490
23129993664627,4725cyclictest20078-21kworker/0:009:28:580
23129992734826,4437cyclictest10874-21kworker/0:209:08:460
23129991714564,4584cyclictest32336-21kworker/0:110:24:100
23129991634776,4383cyclictest10874-21kworker/0:208:24:530
23129990734516,4543cyclictest10874-21kworker/0:208:59:140
23129989794677,4291cyclictest10874-21kworker/0:208:32:470
23129989714579,4388cyclictest15184-21kworker/0:107:19:350
23129987514328,4372cyclictest15184-21kworker/0:107:22:240
23129986124285,4314cyclictest7819-21kworker/0:112:23:360
23129983014443,3848cyclictest10874-21kworker/0:207:53:530
23129981894448,3691cyclictest10874-21kworker/0:207:45:130
23129979374238,3685cyclictest3731-21kworker/0:211:09:140
23129977333763,3956cyclictest32336-21kworker/0:110:37:360
23129977143900,3764cyclictest10874-21kworker/0:208:07:270
23129976994030,3655cyclictest32215-21kworker/0:012:07:360
23129976123757,3805cyclictest10874-21kworker/0:207:59:510
23129973923876,3502cyclictest20528-21kworker/0:211:38:250
23129973923854,3524cyclictest10874-21kworker/0:208:46:460
23129972733579,3643cyclictest10874-21kworker/0:208:38:460
23129969633771,3182cyclictest10874-21kworker/0:208:01:250
23129969233420,3490cyclictest32336-21kworker/0:110:40:260
23129969003706,3180cyclictest32336-21kworker/0:110:06:450
23129967123648,3054cyclictest15184-21kworker/0:107:28:370
23129966303496,3112cyclictest20078-21kworker/0:009:40:320
23129965313599,2918cyclictest10874-21kworker/0:207:32:410
23129964293569,2846cyclictest10874-21kworker/0:209:16:210
23129964133441,2913cyclictest10874-21kworker/0:207:38:390
23129963543341,3000cyclictest7819-21kworker/0:112:35:410
23129963483533,2801cyclictest32336-21kworker/0:109:51:590
23129963413411,2880cyclictest28911-21kworker/0:010:53:110
23129963393515,2774cyclictest10874-21kworker/0:208:14:390
23129962633495,2754cyclictest20078-21kworker/0:009:38:360
23129962303461,2719cyclictest20528-21kworker/0:211:50:130
23129962233354,2819cyclictest7819-21kworker/0:112:33:460
23129960463279,2754cyclictest3731-21kworker/0:211:23:160
23129959903289,2697cyclictest10874-21kworker/0:207:40:150
23129959143214,2696cyclictest10874-21kworker/0:208:40:210
23129958953290,2555cyclictest10874-21kworker/0:208:54:250
23129946822316,2352cyclictest28911-21kworker/0:010:55:140
17702777185,203sleep00-21swapper07:06:090
23129948632,440cyclictest15798-21diskmemload11:33:230
23129948532,439cyclictest25452-21ssh11:44:490
23129947632,384cyclictest12-21rcu_preempt09:22:190
23129947128,98cyclictest5520-21munin-node09:56:020
23129946935,373cyclictest9757-21ssh10:04:300
23129946832,375cyclictest29611-21ntp_offset10:45:320
23129946435,360cyclictest27663-21ssh09:34:120
23129945831,367cyclictest14481-21ssh12:28:430
23129944531,353cyclictest16374-21ssh09:10:360
23129942254,308cyclictest15798-21diskmemload10:25:560
23129941356,344cyclictest4924-21runrttasks10:32:020
23129941350,170cyclictest15798-21diskmemload12:11:190
23129941151,346cyclictest15798-21diskmemload10:15:300
23129940832,363cyclictest31784-21proc_pri11:56:230
23129940736,358cyclictest15798-21diskmemload11:27:360
23129940649,344cyclictest15798-21diskmemload11:13:180
23129940552,340cyclictest9021-21chrt12:16:260
23129940534,358cyclictest14271-21ssh10:12:470
23129940531,361cyclictest4224-21lldpd08:26:280
23129940522,369cyclictest1167-21seq09:45:440
23129940053,289cyclictest13444-21fschecks_count09:01:020
23129939874,311cyclictest1303-21munin-node12:01:010
23129939853,163cyclictest26612-21sort11:46:050
23129939653,284cyclictest15798-21diskmemload11:19:150
23129939542,340cyclictest29750-21kworker/u2:211:03:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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