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2026-05-28 - 20:36
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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 Thu May 28, 2026 12:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
52819995755102,4462cyclictest11608-21kworker/0:007:37:550
52819995435085,4447cyclictest706-21kworker/0:208:58:080
52819989734618,4344cyclictest19955-21kworker/0:108:02:170
52819987634508,4244cyclictest16359-21kworker/0:109:08:560
52819987414354,4335cyclictest20899-21kworker/0:107:22:010
52819987294364,4313cyclictest706-21kworker/0:208:46:440
52819985134386,4116cyclictest706-21kworker/0:208:39:270
52819984954225,4210cyclictest11608-21kworker/0:007:26:270
52819982234107,4101cyclictest20899-21kworker/0:107:17:510
52819978704226,3594cyclictest19955-21kworker/0:108:14:420
52819975314103,3425cyclictest20899-21kworker/0:107:12:560
52819971933876,3303cyclictest706-21kworker/0:208:29:580
52819970723764,3297cyclictest11608-21kworker/0:007:32:440
52819967223605,3117cyclictest11608-21kworker/0:007:41:550
52819963883475,2861cyclictest19955-21kworker/0:107:53:110
52819963383449,2838cyclictest706-21kworker/0:208:22:180
52819962693351,2751cyclictest19955-21kworker/0:107:47:230
52819959353193,2737cyclictest706-21kworker/0:208:31:330
52819954212837,2573cyclictest19955-21kworker/0:108:16:180
52819949182467,2409cyclictest19955-21kworker/0:108:07:380
48842780185,203sleep00-21swapper07:07:250
52819955936,462cyclictest18397-21diskmemload11:08:030
52819951720,435cyclictest24257-21runrttasks09:22:170
52819951277,374cyclictest4253-21lldpd12:16:240
52819951121,428cyclictest7304-21munin-node09:44:110
52819951121,307cyclictest28364-21fschecks_count09:31:510
52819950919,419cyclictest4272-21snmpd11:18:120
52819949819,416cyclictest26122-21grep12:00:320
52819949219,241cyclictest22690-21munin-node11:51:270
52819948835,439cyclictest8462-21ssh10:01:290
52819948835,438cyclictest19586-21ssh10:27:480
52819948524,399cyclictest10779-21kworker/u2:110:13:110
52819948320,448cyclictest6327-21rm11:12:470
52819947923,394cyclictest28132-21kworker/u2:209:35:520
52819947521,392cyclictest20372-21ssh09:14:090
52819947442,371cyclictest4894-21runrttasks09:46:240
52819947093,363cyclictest11-21ksoftirqd/011:04:540
52819946522,372cyclictest10028-21sh11:21:260
52819946173,365cyclictest20667-21munin-node09:15:300
52819946073,96cyclictest12-21rcu_preempt10:53:550
52819946021,424cyclictest6705-21ssh12:30:510
52819946021,424cyclictest28033-21runrttasks12:05:230
52819945719,423cyclictest18397-21diskmemload10:32:490
52819945683,359cyclictest18397-21diskmemload10:38:530
52819945569,371cyclictest11-21ksoftirqd/011:45:330
52819945344,347cyclictest13611-21ssh11:30:410
52819945171,88cyclictest9636-21grep10:05:220
52819945120,415cyclictest28273-21rm10:49:030
52819944973,362cyclictest5163-21cstates12:26:410
52819944620,402cyclictest18397-21diskmemload12:42:230
52819944519,411cyclictest5362-21ssh09:55:210
52819944367,363cyclictest13-21rcuc/007:59:390
52819943822,401cyclictest17130-21rm11:39:080
52819943666,357cyclictest13-21rcuc/009:54:560
52819943058,358cyclictest11-21ksoftirqd/010:43:050
52819942972,357cyclictest0-21swapper10:56:580
52819942641,201cyclictest8913-21strings12:36:040
52819941546,87cyclictest0-21swapper09:28:520
52819941045,305cyclictest18397-21diskmemload11:28:480
52819940946,349cyclictest0-21swapper12:22:340
52819940147,341cyclictest18397-21diskmemload10:19:310
52819939854,283cyclictest14847-21irqstats09:00:130
52819939354,278cyclictest16558-21munin-node10:20:530
52819939121,370cyclictest0-21swapper12:14:270
52819939037,338cyclictest24553-21strings11:56:030
52819938929,88cyclictest19379-21ssh11:44:450
52819938434,350cyclictest0-21swapper08:53:190
52819935656,300cyclictest0-21swapper08:41:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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