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2026-04-24 - 01:27
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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 Thu Apr 23, 2026 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2239299110745619,5441cyclictest6946-21kworker/0:011:32:150
223929992984768,4526cyclictest17060-21kworker/0:211:54:530
223929989474759,4137cyclictest22722-21kworker/0:107:31:300
223929987324500,4221cyclictest1078-21kworker/0:208:32:410
223929986974482,4204cyclictest1078-21kworker/0:208:49:150
223929986724610,3975cyclictest27723-21kworker/0:211:07:570
223929982534147,4067cyclictest1078-21kworker/0:209:29:020
223929981944045,4134cyclictest1078-21kworker/0:208:03:030
223929981804178,3960cyclictest22722-21kworker/0:107:14:190
223929980834343,3688cyclictest1078-21kworker/0:208:36:490
223929980744026,3967cyclictest1078-21kworker/0:208:42:200
223929979774299,3654cyclictest28705-21kworker/0:010:16:070
223929978984136,3719cyclictest23588-21kworker/0:009:49:270
223929978923935,3906cyclictest1571-21kworker/0:111:22:410
223929978523904,3934cyclictest1078-21kworker/0:209:09:260
223929978324203,3585cyclictest23115-21kworker/0:112:02:320
223929974403855,3570cyclictest22686-21kworker/0:010:57:250
223929974313997,3374cyclictest1078-21kworker/0:208:53:000
223929973983926,3461cyclictest28705-21kworker/0:010:04:110
223929973503882,3453cyclictest5227-21kworker/0:112:38:330
223929972693617,3601cyclictest1078-21kworker/0:208:19:050
223929968473556,3280cyclictest22722-21kworker/0:107:25:210
223929968293410,3376cyclictest22722-21kworker/0:107:18:410
223929967793680,3047cyclictest1078-21kworker/0:209:03:480
223929967673520,3232cyclictest28705-21kworker/0:010:14:100
223929966663524,3090cyclictest6885-21kworker/0:210:26:030
223929965563464,3078cyclictest23115-21kworker/0:112:21:250
223929964443554,2878cyclictest23115-21kworker/0:112:13:530
223929963553393,2951cyclictest1078-21kworker/0:208:13:460
223929963313498,2822cyclictest1078-21kworker/0:208:59:410
223929963123266,3032cyclictest2530-21kworker/0:212:31:540
223929963073344,2912cyclictest15068-21kworker/0:009:37:530
223929962853329,2905cyclictest1078-21kworker/0:208:25:320
223929962673418,2806cyclictest6946-21kworker/0:011:43:420
223929962443311,2881cyclictest2530-21kworker/0:212:29:540
223929962333349,2873cyclictest6946-21kworker/0:011:45:170
223929962303126,3089cyclictest12218-21kworker/0:110:40:240
223929962073288,2867cyclictest12218-21kworker/0:110:37:070
223929961453277,2853cyclictest1571-21kworker/0:111:19:370
223929960913359,2721cyclictest22722-21kworker/0:107:20:080
223929960563261,2784cyclictest1078-21kworker/0:208:20:420
223929960153109,2892cyclictest1078-21kworker/0:207:42:480
223929953573038,2304cyclictest27723-21kworker/0:211:11:010
223929944622516,1894cyclictest19897-21kworker/0:110:48:270
223929942502126,2101cyclictest23588-21kworker/0:009:53:000
223929942302120,2086cyclictest19897-21kworker/0:110:50:300
223929940252175,1836cyclictest1078-21kworker/0:207:46:250
223929926122553,45cyclictest15068-21kworker/0:009:40:170
221942801184,204sleep00-21swapper07:08:590
223929951131,418cyclictest11114-21munin-node10:30:270
223929948752,152cyclictest814-21ssh10:07:350
223929945637,348cyclictest27475-21rm11:03:330
223929945535,405cyclictest306882sleep012:18:110
223929944769,90cyclictest3078-21diskmemload11:38:180
223929944531,399cyclictest15031-21mailstats09:30:140
223929944233,393cyclictest8030-21ssh10:23:160
223929944232,394cyclictest32736-21df_inode07:35:290
223929943731,382cyclictest28762-21ssh09:58:570
223929943270,303cyclictest6441-21strings07:50:480
223929942754,88cyclictest5512-21sh11:25:200
223929940754,339cyclictest26514-21ssh12:09:250
223929938255,268cyclictest21516-21ssh11:58:110
223929937935,344cyclictest0-21swapper07:59:500
223929936896,259cyclictest4253-21lldpd08:08:480
223929926914,241cyclictest6221-21ssh09:14:510
223929926824,221cyclictest11585-21ssh09:23:350
223929926719,225cyclictest4253-21lldpd09:18:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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