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2026-03-21 - 02:47
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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 rack6slot5.osadl.org (updated Sat Mar 21, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1050199112425836,5396cyclictest11462-21kworker/0:121:53:020
105019995995015,4579cyclictest6319-21kworker/0:020:43:590
105019992054734,4467cyclictest30516-21kworker/0:119:19:370
105019991544588,4543cyclictest16500-21kworker/0:023:08:340
105019989614468,4478cyclictest25570-21kworker/0:221:16:590
105019987854616,4164cyclictest14660-21kworker/0:221:59:310
105019986454449,4185cyclictest17008-21kworker/0:219:39:300
105019985534276,4263cyclictest17008-21kworker/0:219:51:440
105019985284382,4132cyclictest11037-21kworker/0:022:52:410
105019984124337,4071cyclictest6319-21kworker/0:020:23:070
105019983264372,3940cyclictest6319-21kworker/0:020:37:300
105019982904133,4106cyclictest4182-21kworker/0:220:16:350
105019981324068,4022cyclictest6319-21kworker/0:021:08:430
105019981294468,3630cyclictest30516-21kworker/0:119:14:230
105019978904145,3694cyclictest1667-21kworker/0:020:11:350
105019978004180,3569cyclictest6319-21kworker/0:020:26:560
105019976934254,3423cyclictest25570-21kworker/0:221:24:440
105019976864174,3507cyclictest17008-21kworker/0:219:31:090
105019975113745,3723cyclictest28700-21kworker/0:222:26:320
105019973173843,3423cyclictest6319-21kworker/0:020:47:510
105019973163847,3419cyclictest23052-21kworker/0:022:11:570
105019972993934,3323cyclictest17008-21kworker/0:219:42:280
105019971403760,3329cyclictest17008-21kworker/0:219:29:410
105019970923665,3404cyclictest13630-21kworker/0:123:00:270
105019970493754,3284cyclictest17008-21kworker/0:220:03:000
105019970383503,3484cyclictest17008-21kworker/0:220:06:350
105019969363651,3234cyclictest18035-21kworker/0:122:04:340
105019969243667,3233cyclictest23052-21kworker/0:022:20:550
105019968993780,3114cyclictest17008-21kworker/0:219:58:030
105019968003631,3165cyclictest6319-21kworker/0:021:04:560
105019967733588,3170cyclictest25570-21kworker/0:221:30:010
105019966953422,3213cyclictest30516-21kworker/0:119:21:350
105019966943675,3008cyclictest17008-21kworker/0:219:48:270
105019966713612,3044cyclictest28700-21kworker/0:222:35:290
105019966233642,2977cyclictest6319-21kworker/0:020:33:400
105019964263547,2875cyclictest6319-21kworker/0:020:54:260
105019964063498,2893cyclictest24377-21kworker/0:023:22:050
105019963103382,2917cyclictest25570-21kworker/0:221:39:030
105019962303296,2874cyclictest13630-21kworker/0:122:58:130
105019962233411,2798cyclictest7292-21kworker/0:122:49:460
105019962183436,2771cyclictest6319-21kworker/0:020:59:470
105019962103282,2884cyclictest28700-21kworker/0:222:40:160
105019961953400,2780cyclictest23052-21kworker/0:022:18:300
105019961903374,2801cyclictest25570-21kworker/0:221:14:190
105019961503216,2919cyclictest28700-21kworker/0:222:33:250
105019961383343,2780cyclictest24377-21kworker/0:023:29:250
105019959873101,2871cyclictest18035-21kworker/0:122:06:520
105019957903087,2652cyclictest25570-21kworker/0:221:43:530
105019953622703,2644cyclictest25570-21kworker/0:221:46:180
105019952352796,2379cyclictest21483-21kworker/0:223:13:460
105019945322275,2243cyclictest25570-21kworker/0:221:32:270
105019933612066,1280cyclictest21483-21kworker/0:223:16:140
99412780186,204sleep00-21swapper19:05:590
105019929023,244cyclictest5940-21sed23:45:010
105019928821,244cyclictest18310-21cat00:05:220
105019927726,228cyclictest22744-21ssh00:13:310
105019927224,234cyclictest4894-21runrttasks23:49:460
105019927028,57cyclictest29470-21kworker/0:123:55:580
105019926923,232cyclictest23548-21diskmemload23:30:080
105019926633,202cyclictest30935-21ssh00:27:040
105019926525,226cyclictest17079-21ssh00:03:440
105019926422,228cyclictest10819-21ssh23:52:200
105019926419,232cyclictest23548-21diskmemload00:39:580
105019926221,211cyclictest32557-21ssh23:35:100
105019926019,227cyclictest0-21swapper00:33:420
105019925923,223cyclictest23548-21diskmemload00:22:260
105019925522,218cyclictest24705-21ssh00:15:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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