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2026-09-20 - 20:51
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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 Sun Sep 20, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
168149997205113,4597cyclictest18682-21kworker/0:108:44:040
168149996745093,4577cyclictest5477-21kworker/0:207:53:100
168149991054724,4377cyclictest5477-21kworker/0:207:28:220
168149989294627,4291cyclictest5477-21kworker/0:207:33:250
168149988954600,4285cyclictest5477-21kworker/0:207:23:380
168149987564445,4301cyclictest5477-21kworker/0:208:20:110
168149986274471,4142cyclictest24291-21kworker/0:112:27:200
168149985034286,4194cyclictest23711-21kworker/0:211:52:230
168149984634503,3956cyclictest29352-21kworker/0:209:07:480
168149983754536,3825cyclictest14174-21kworker/0:209:49:540
168149983064497,3786cyclictest29352-21kworker/0:209:17:400
168149980174324,3678cyclictest5477-21kworker/0:207:58:500
168149979364187,3708cyclictest5477-21kworker/0:208:26:110
168149975854017,3518cyclictest5477-21kworker/0:207:44:170
168149975304036,3480cyclictest14174-21kworker/0:209:58:480
168149975204019,3497cyclictest5477-21kworker/0:208:12:450
168149973373915,3408cyclictest29352-21kworker/0:209:28:420
168149973073970,3286cyclictest18682-21kworker/0:108:58:220
168149972453946,3257cyclictest29352-21kworker/0:209:14:210
168149972073844,3349cyclictest23711-21kworker/0:212:04:310
168149968623703,3155cyclictest18682-21kworker/0:108:52:260
168149967073395,3261cyclictest5477-21kworker/0:208:18:350
168149966763385,3249cyclictest4735-21kworker/0:210:48:180
168149966723462,3196cyclictest21387-21kworker/0:011:01:540
168149966603473,3164cyclictest4735-21kworker/0:210:50:170
168149966273596,3017cyclictest23711-21kworker/0:211:11:270
168149965113470,3027cyclictest27558-21kworker/0:110:21:300
168149964923405,3073cyclictest5477-21kworker/0:208:03:540
168149964553466,2975cyclictest4735-21kworker/0:210:36:220
168149964173525,2878cyclictest5477-21kworker/0:207:37:390
168149964073443,2951cyclictest14174-21kworker/0:210:09:230
168149964003303,3010cyclictest10384-21kworker/0:109:36:480
168149963643224,3127cyclictest5477-21kworker/0:208:34:020
168149963003397,2861cyclictest23711-21kworker/0:211:37:140
168149961843372,2798cyclictest23711-21kworker/0:211:49:260
168149960843314,2760cyclictest5477-21kworker/0:207:15:560
168149959413239,2692cyclictest5477-21kworker/0:208:35:360
168149959153171,2730cyclictest4735-21kworker/0:210:59:550
168149951712864,2304cyclictest5477-21kworker/0:207:12:500
168149946914634,53cyclictest27558-21kworker/0:110:11:330
168149945582351,2203cyclictest5477-21kworker/0:207:45:530
168149945194453,44cyclictest23711-21kworker/0:211:25:500
168149943744325,36cyclictest23711-21kworker/0:212:06:250
168149937873701,36cyclictest23711-21kworker/0:211:23:530
168149927352688,34cyclictest14174-21kworker/0:210:00:460
163632773184,202sleep00-21swapper07:06:540
168149950235,467cyclictest0-21swapper10:26:390
168149949845,439cyclictest24674-21munin-node12:16:120
168149946432,432cyclictest24367-21ssh11:07:160
168149946233,363cyclictest20162-21ssh09:54:290
168149942131,376cyclictest15351-21cpuspeed_turbos11:55:250
168149940855,294cyclictest30168-21diskmemload12:33:130
168149940745,349cyclictest26586-21kworker/u2:110:16:420
168149940731,362cyclictest30168-21diskmemload12:13:570
168149940726,358cyclictest2641-21which11:30:130
168149940562,89cyclictest4735-21kworker/0:210:35:040
168149940435,87cyclictest30168-21diskmemload09:33:110
168149940432,358cyclictest29295-21apt-get11:17:130
168149940020,88cyclictest7730-21munin-node11:40:360
168149939916,369cyclictest3502-21cpu09:20:330
168149939431,350cyclictest7094-21ps08:05:570
168149939331,349cyclictest28484-21ssh12:22:180
168149938834,340cyclictest3188-21ssh12:36:330
168149938733,340cyclictest13774-21unixbench_singl09:40:420
168149938132,288cyclictest11213-21sshd10:40:450
168149934058,268cyclictest22594-21sshd08:49:250
168149932956,259cyclictest4924-21runrttasks09:02:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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