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2026-09-02 - 23:45
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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 highest latencies:
System rack6slot5.osadl.org (updated Wed Sep 02, 2026 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
187459999025287,4604cyclictest364-21kworker/0:208:48:530
187459997855230,4545cyclictest364-21kworker/0:207:28:160
187459996535168,4481cyclictest364-21kworker/0:207:19:320
187459995054995,4506cyclictest364-21kworker/0:207:57:590
187459989144492,4372cyclictest364-21kworker/0:208:03:120
187459988134460,4349cyclictest364-21kworker/0:208:19:000
187459984084211,4147cyclictest364-21kworker/0:208:24:540
187459981924135,4015cyclictest364-21kworker/0:207:37:170
187459981864337,3835cyclictest26057-21kworker/0:010:08:060
187459980144138,3863cyclictest364-21kworker/0:207:14:120
187459979624007,3942cyclictest17263-21kworker/0:109:55:230
187459978824194,3678cyclictest364-21kworker/0:207:51:040
187459976313972,3646cyclictest364-21kworker/0:207:31:560
187459974473750,3683cyclictest364-21kworker/0:209:02:380
187459973663807,3545cyclictest29046-21kworker/0:110:20:300
187459971493783,3316cyclictest364-21kworker/0:208:10:000
187459969613594,3317cyclictest17263-21kworker/0:109:52:100
187459969423826,3112cyclictest364-21kworker/0:208:41:290
187459967423798,2930cyclictest29046-21kworker/0:110:18:290
187459967063479,3176cyclictest364-21kworker/0:209:10:390
187459966843600,3080cyclictest364-21kworker/0:208:34:080
187459966783547,3081cyclictest364-21kworker/0:208:39:540
187459966703462,3195cyclictest7616-21kworker/0:209:41:170
187459965583601,2952cyclictest26057-21kworker/0:010:04:520
187459965373509,3018cyclictest364-21kworker/0:207:23:380
187459965323477,3041cyclictest4519-21kworker/0:109:21:210
187459964593553,2892cyclictest8036-21kworker/0:210:33:450
187459964553481,2964cyclictest364-21kworker/0:207:44:360
187459962813348,2891cyclictest7616-21kworker/0:209:31:280
187459961053390,2705cyclictest364-21kworker/0:208:56:230
187459960343357,2667cyclictest364-21kworker/0:208:26:300
187459958983201,2687cyclictest364-21kworker/0:208:11:360
187459951622583,2537cyclictest364-21kworker/0:208:54:490
187459943634309,42cyclictest8036-21kworker/0:210:35:390
187459938623777,81cyclictest364-21kworker/0:207:49:280
182092775185,204sleep00-21swapper07:06:410
187459965336,556cyclictest4224-21lldpd09:39:470
187459948636,436cyclictest344450irq/10-eth011:23:120
187459948055,247cyclictest11424-21runrttasks11:54:130
187459947290,368cyclictest4285-21lldpd12:22:540
187459946914,439cyclictest30878-21munin-node09:05:250
187459946532,433cyclictest0-21swapper10:43:300
187459946166,373cyclictest14622-21timerwakeupswit10:46:380
187459944980,186cyclictest0-21swapper12:09:020
187459944860,203cyclictest23865-21chrt11:08:360
187459944415,369cyclictest21796-21ssh11:04:150
187459944361,368cyclictest22255-21ssh12:18:290
187459943953,363cyclictest7368-21munin-node09:25:320
18745994367,369cyclictest25816-21munin-node12:26:040
187459943361,359cyclictest0-21swapper11:49:570
187459943352,367cyclictest0-21swapper12:12:100
187459943158,360cyclictest4342-21ssh10:25:320
187459942169,339cyclictest28971-21ssh12:34:090
187459941937,368cyclictest5977-21ssh11:41:000
187459941233,374cyclictest18018-21ssh09:46:090
187459941034,374cyclictest31032-21seq12:38:270
187459940824,370cyclictest25976-21chrt11:13:110
187459940260,329cyclictest17425-21ssh10:54:260
187459940232,356cyclictest15389-21ssh12:02:000
187459939734,350cyclictest32478-21seq11:27:470
187459939616,88cyclictest3982-21apt-get09:17:240
187459939333,360cyclictest2209-21ssh11:32:430
187459938941,88cyclictest4803-21ssh11:39:100
187459938432,348cyclictest13-21rcuc/010:55:410
187459938329,354cyclictest0-21swapper11:19:030
187459937631,345cyclictest0-21swapper11:56:500
187459937234,279cyclictest30642-21fschecks_count10:11:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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