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2025-12-21 - 22:48
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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 Sun Dec 21, 2025 12:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
452199100945025,5029cyclictest18224-21kworker/0:111:21:160
45219999855288,4686cyclictest14020-21kworker/0:207:40:260
45219999225248,4663cyclictest14020-21kworker/0:209:00:170
45219998125203,4598cyclictest14020-21kworker/0:207:27:380
45219998075195,4608cyclictest11089-21kworker/0:012:06:300
45219996895045,4640cyclictest14020-21kworker/0:208:09:100
45219996715133,4527cyclictest14020-21kworker/0:208:14:070
45219992604734,4521cyclictest18224-21kworker/0:111:11:310
45219990084591,4406cyclictest14020-21kworker/0:209:10:350
45219990044467,4485cyclictest14020-21kworker/0:208:02:510
45219989914791,4186cyclictest30946-21kworker/0:111:41:190
45219987114306,4354cyclictest14020-21kworker/0:207:39:030
45219985134270,4232cyclictest14020-21kworker/0:208:34:440
45219983034103,4149cyclictest14020-21kworker/0:209:09:010
45219981884264,3872cyclictest28749-21kworker/0:212:32:270
45219981184410,3658cyclictest14020-21kworker/0:208:22:590
45219980144165,3798cyclictest14020-21kworker/0:207:53:120
45219979974089,3893cyclictest11089-21kworker/0:012:16:570
45219979604058,3878cyclictest14020-21kworker/0:207:14:210
45219979514067,3868cyclictest27882-21kworker/0:011:31:060
45219977204254,3443cyclictest5245-21kworker/0:211:50:190
45219977194167,3537cyclictest25481-21kworker/0:109:29:300
45219976363766,3819cyclictest14020-21kworker/0:208:58:540
45219976093755,3802cyclictest14020-21kworker/0:207:34:390
45219975253748,3746cyclictest9326-21kworker/0:010:55:470
45219973623851,3459cyclictest14020-21kworker/0:207:21:410
45219973323837,3444cyclictest14020-21kworker/0:208:17:510
45219972633804,3416cyclictest14020-21kworker/0:208:48:320
45219972623801,3411cyclictest14020-21kworker/0:207:17:400
45219972393824,3404cyclictest3313-21kworker/0:110:45:110
45219971683858,3259cyclictest14020-21kworker/0:207:48:260
45219971333756,3367cyclictest11089-21kworker/0:011:58:200
45219971333554,3565cyclictest5520-21kworker/0:210:35:290
45219970813805,3261cyclictest14020-21kworker/0:209:15:350
45219970263685,3290cyclictest9326-21kworker/0:010:52:180
45219969923700,3281cyclictest21829-21kworker/0:112:25:500
45219969823703,3268cyclictest14020-21kworker/0:208:44:510
45219969363518,3359cyclictest31119-21kworker/0:009:42:490
45219968383681,3098cyclictest9326-21kworker/0:011:02:210
45219967723636,3085cyclictest11089-21kworker/0:012:13:130
45219967073739,2944cyclictest28749-21kworker/0:212:36:090
45219966453578,2991cyclictest14020-21kworker/0:208:28:110
45219966373534,3099cyclictest31119-21kworker/0:009:37:000
45219965403486,3050cyclictest14020-21kworker/0:208:39:470
45219964573386,2995cyclictest30946-21kworker/0:111:37:540
45219964373491,2904cyclictest14020-21kworker/0:208:53:420
45219964243443,2939cyclictest3313-21kworker/0:110:43:360
45219963713160,3160cyclictest14020-21kworker/0:207:58:010
45219963603351,2958cyclictest21829-21kworker/0:112:24:150
45219963533331,2970cyclictest27882-21kworker/0:011:27:420
45219963283326,2987cyclictest11089-21kworker/0:012:04:560
45219962903322,2917cyclictest18224-21kworker/0:111:17:440
45219961343246,2845cyclictest5245-21kworker/0:211:48:100
45219960553200,2804cyclictest18224-21kworker/0:111:09:560
45219949412562,2365cyclictest5520-21kworker/0:209:50:030
41672779183,203sleep00-21swapper07:08:200
45219948532,439cyclictest29949-21ssh09:31:000
45219941235,362cyclictest24868-21which09:20:490
45219937024,332cyclictest7467-21vmstat09:50:300
45219928620,252cyclictest27273-21ssh10:24:090
45219926822,231cyclictest5982-21kworker/u2:310:05:350
45219926723,215cyclictest25571-1kworker/u3:110:00:140
45219926722,216cyclictest32098-21ssh10:30:560
45219926622,215cyclictest24211-21ssh10:18:590
45219926220,60cyclictest11-21ksoftirqd/010:28:500
45219924820,199cyclictest345450irq/10-yenta10:14:000
45219923718,205cyclictest10624-21ssh09:55:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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