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2026-04-14 - 18:16
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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 Tue Apr 14, 2026 12:44:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
154869996755165,4499cyclictest1455-21kworker/0:008:24:580
154869993204797,4512cyclictest12563-21kworker/0:210:56:320
154869990234548,4464cyclictest11322-21kworker/0:107:20:000
154869988004739,4050cyclictest11322-21kworker/0:107:42:010
154869987244505,4215cyclictest11322-21kworker/0:107:37:190
154869986364341,4243cyclictest11322-21kworker/0:107:26:300
154869986334345,4276cyclictest15331-21kworker/0:110:23:020
154869985154294,4207cyclictest15331-21kworker/0:109:50:250
154869984034539,3853cyclictest22571-21kworker/0:108:53:570
154869981244042,4005cyclictest1455-21kworker/0:008:12:340
154869981174060,4042cyclictest1455-21kworker/0:008:01:340
154869980974366,3715cyclictest28896-21kworker/0:209:40:590
154869980744349,3701cyclictest16135-21kworker/0:012:08:140
154869979894139,3798cyclictest15331-21kworker/0:109:47:090
154869978594045,3790cyclictest10749-21kworker/0:211:56:450
154869977804181,3584cyclictest1455-21kworker/0:008:28:540
154869977444001,3719cyclictest28896-21kworker/0:209:31:500
154869977394083,3604cyclictest1455-21kworker/0:008:07:070
154869977124045,3615cyclictest1455-21kworker/0:008:46:410
154869976033993,3559cyclictest11322-21kworker/0:107:22:160
154869973864011,3351cyclictest21029-21kworker/0:111:08:300
154869973663835,3480cyclictest22914-21kworker/0:112:17:340
154869973393862,3434cyclictest11322-21kworker/0:107:45:320
154869972303802,3376cyclictest3639-21kworker/0:010:32:010
154869972043752,3409cyclictest15331-21kworker/0:110:08:140
154869971053740,3313cyclictest28111-21kworker/0:212:29:270
154869969713724,3235cyclictest1455-21kworker/0:008:19:320
154869968913652,3223cyclictest23493-21kworker/0:211:18:110
154869968133614,3184cyclictest28896-21kworker/0:209:38:540
154869967643724,3029cyclictest1455-21kworker/0:008:42:180
154869967493614,3124cyclictest11322-21kworker/0:107:32:370
154869966803530,3107cyclictest15331-21kworker/0:109:58:150
154869966783721,2897cyclictest24703-21kworker/0:008:58:230
154869966173705,2861cyclictest24703-21kworker/0:009:04:460
154869965993590,2957cyclictest1960-21kworker/0:111:42:230
154869965843532,3041cyclictest1455-21kworker/0:008:30:180
154869965683498,3018cyclictest6854-21kworker/0:110:42:230
154869965563327,3177cyclictest12563-21kworker/0:210:54:570
154869964723322,3135cyclictest28896-21kworker/0:209:11:410
154869963903185,3174cyclictest28896-21kworker/0:209:22:410
154869963633474,2874cyclictest10749-21kworker/0:211:54:480
154869963543262,3040cyclictest28896-21kworker/0:209:29:220
154869963213187,3111cyclictest1960-21kworker/0:111:45:240
154869963013345,2904cyclictest1455-21kworker/0:007:56:090
154869962863174,3097cyclictest23493-21kworker/0:211:32:330
154869961943295,2847cyclictest11322-21kworker/0:107:50:390
154869961213300,2810cyclictest1455-21kworker/0:008:36:000
154869961063346,2700cyclictest28896-21kworker/0:209:19:160
154869961003176,2909cyclictest11322-21kworker/0:107:14:260
154869960903260,2815cyclictest16135-21kworker/0:012:05:010
154869960643325,2687cyclictest23493-21kworker/0:211:29:270
154869951102697,2402cyclictest24703-21kworker/0:009:06:220
154869943954329,44cyclictest28111-21kworker/0:212:31:340
154869942932471,1806cyclictest6854-21kworker/0:110:45:330
154869941362279,1842cyclictest15331-21kworker/0:110:11:280
154869932963232,51cyclictest22914-21kworker/0:112:20:260
154869922182159,45cyclictest23493-21kworker/0:211:20:130
149732779184,204sleep00-21swapper07:06:230
154869950241,447cyclictest7952-21chrt10:40:010
15486994523,434cyclictest28759-21diskmemload10:02:550
15486994471,383cyclictest28759-21diskmemload10:28:490
15486994381,374cyclictest28759-21diskmemload11:38:490
15486994351,374cyclictest759-21ssh12:39:480
154869943312,359cyclictest17911-21mailstats11:00:130
15486993794,361cyclictest23915-21seq11:11:240
15486993671,351cyclictest28759-21diskmemload12:12:520
154869933868,211cyclictest11-21ksoftirqd/010:18:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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