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2026-03-13 - 01:21
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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 376 highest latencies:
System rack6slot5.osadl.org (updated Thu Mar 12, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195399103405360,4956cyclictest32685-21kworker/0:010:01:590
19539996515094,4552cyclictest26387-21kworker/0:108:24:470
19539994955035,4437cyclictest21890-21kworker/0:011:58:270
19539991404673,4456cyclictest32653-21kworker/0:208:37:430
19539991064656,4439cyclictest17226-21kworker/0:208:00:210
19539990994650,4438cyclictest32653-21kworker/0:208:30:520
19539990664490,4561cyclictest11099-21kworker/0:210:34:320
19539990244714,4299cyclictest3007-21kworker/0:007:32:360
19539989104697,4162cyclictest3007-21kworker/0:007:41:340
19539988934648,4234cyclictest4904-21kworker/0:008:57:490
19539987134347,4351cyclictest3391-21kworker/0:212:10:540
19539986764641,4023cyclictest17226-21kworker/0:208:06:160
19539986764422,4230cyclictest27155-21kworker/0:109:41:460
19539986354306,4306cyclictest19100-21kworker/0:211:31:490
19539985694232,4286cyclictest3007-21kworker/0:007:21:390
19539985564240,4264cyclictest4904-21kworker/0:008:49:060
19539982954441,3830cyclictest11099-21kworker/0:210:11:400
19539982574115,4127cyclictest8561-21kworker/0:011:20:160
19539981664145,3972cyclictest3007-21kworker/0:007:14:170
19539980594377,3631cyclictest4904-21kworker/0:009:09:280
19539979004220,3665cyclictest15328-21kworker/0:209:21:560
19539978794128,3737cyclictest21890-21kworker/0:011:45:170
19539978684208,3646cyclictest8561-21kworker/0:011:06:510
19539978623852,3995cyclictest8561-21kworker/0:011:17:150
19539976244055,3518cyclictest3007-21kworker/0:007:26:180
19539976114044,3507cyclictest3007-21kworker/0:007:36:230
19539975514040,3496cyclictest8784-21kworker/0:112:25:220
19539972953797,3447cyclictest15328-21kworker/0:209:19:530
19539969283763,3154cyclictest4904-21kworker/0:009:04:320
19539968253659,3114cyclictest3391-21kworker/0:212:08:570
19539967863696,3085cyclictest26387-21kworker/0:108:18:520
19539967263559,3152cyclictest27155-21kworker/0:109:31:340
19539967133506,3156cyclictest26387-21kworker/0:108:29:160
19539967103658,3048cyclictest3007-21kworker/0:007:19:170
19539967023601,3087cyclictest17226-21kworker/0:207:47:230
19539966913593,3084cyclictest28341-21kworker/0:111:03:520
19539966323661,2911cyclictest26387-21kworker/0:108:11:240
19539965443312,3172cyclictest32685-21kworker/0:009:59:570
19539965353258,3262cyclictest11099-21kworker/0:210:22:530
19539965073511,2981cyclictest28341-21kworker/0:110:53:040
19539964783479,2939cyclictest15328-21kworker/0:209:29:220
19539964663227,3224cyclictest8784-21kworker/0:112:39:470
19539964563471,2925cyclictest19100-21kworker/0:211:29:470
19539964333462,2911cyclictest11099-21kworker/0:210:09:410
19539964313389,3011cyclictest28341-21kworker/0:110:44:250
19539963823399,2979cyclictest4904-21kworker/0:008:50:420
19539962823389,2842cyclictest17226-21kworker/0:207:58:460
19539962453271,2922cyclictest11099-21kworker/0:210:19:380
19539962413370,2828cyclictest32685-21kworker/0:009:49:570
19539962283304,2901cyclictest32685-21kworker/0:009:51:590
19539961003025,3051cyclictest15328-21kworker/0:209:12:500
19539960823288,2743cyclictest17226-21kworker/0:207:53:020
19539960093158,2800cyclictest21890-21kworker/0:011:42:190
19539958933199,2643cyclictest8784-21kworker/0:112:23:140
19539956043049,2504cyclictest27155-21kworker/0:109:38:320
19539951682573,2579cyclictest28341-21kworker/0:110:55:050
19539948912747,2133cyclictest4904-21kworker/0:008:44:050
15452776187,202sleep00-21swapper07:07:160
19539948733,439cyclictest23013-21ssh11:35:490
19539942654,313cyclictest15406-21diskmemload10:35:470
19539942426,374cyclictest3520-21rm12:02:360
19539942324,384cyclictest17108-21uname12:31:000
19539941836,368cyclictest32397-21ssh10:49:280
19539941479,321cyclictest11053-21strings11:10:540
19539940834,361cyclictest31533-21ssh11:54:390
19539940354,290cyclictest10602-21apt-get12:17:270
19539939027,124cyclictest22136-21ssh10:27:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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