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2026-03-18 - 21:07
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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 Wed Mar 18, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
246189998845043,4829cyclictest966-21kworker/0:112:25:170
246189998495220,4617cyclictest28105-21kworker/0:008:41:130
246189997485065,4672cyclictest25519-21kworker/0:010:00:070
246189996705133,4526cyclictest28105-21kworker/0:008:45:300
246189994414831,4600cyclictest4883-21kworker/0:010:14:540
246189994234826,4592cyclictest28859-21kworker/0:207:39:520
246189992694739,4519cyclictest12906-21kworker/0:208:14:260
246189991284659,4458cyclictest16126-21kworker/0:009:33:240
246189991234672,4440cyclictest25519-21kworker/0:009:49:010
246189990304609,4410cyclictest4942-21kworker/0:011:40:170
246189990294625,4393cyclictest28859-21kworker/0:207:23:400
246189988624535,4316cyclictest4942-21kworker/0:011:34:310
246189988424429,4402cyclictest4942-21kworker/0:011:29:010
246189987914600,4180cyclictest16541-21kworker/0:210:33:140
246189986314410,4217cyclictest27483-21kworker/0:210:55:440
246189986054418,4183cyclictest12906-21kworker/0:208:32:310
246189985944608,3975cyclictest12906-21kworker/0:208:27:440
246189984484341,4102cyclictest28859-21kworker/0:207:44:000
246189984044181,4218cyclictest23704-21kworker/0:007:20:000
246189983214545,3761cyclictest23704-21kworker/0:007:14:230
246189983104429,3830cyclictest28859-21kworker/0:207:29:470
246189982814147,4123cyclictest24878-21kworker/0:211:52:350
246189980743967,4024cyclictest28859-21kworker/0:207:46:470
246189980324206,3811cyclictest28105-21kworker/0:009:10:410
246189980273971,3980cyclictest28859-21kworker/0:207:33:470
246189979834242,3726cyclictest27483-21kworker/0:211:10:540
246189978113998,3798cyclictest11434-21kworker/0:010:21:320
246189977614250,3460cyclictest28859-21kworker/0:207:51:150
246189977233824,3848cyclictest12906-21kworker/0:208:17:210
246189976254095,3507cyclictest4942-21kworker/0:011:46:590
246189974173916,3497cyclictest966-21kworker/0:112:14:390
246189974133883,3479cyclictest27483-21kworker/0:211:05:070
246189973353912,3408cyclictest12906-21kworker/0:208:21:420
246189973353838,3446cyclictest966-21kworker/0:112:23:540
246189972923835,3443cyclictest966-21kworker/0:112:34:390
246189972433807,3421cyclictest16541-21kworker/0:210:42:480
246189972403794,3395cyclictest25519-21kworker/0:009:58:310
246189971863779,3392cyclictest4942-21kworker/0:011:16:320
246189971763841,3284cyclictest12906-21kworker/0:208:08:480
246189971413884,3246cyclictest12906-21kworker/0:208:01:350
246189971203726,3342cyclictest8691-21kworker/0:110:18:580
246189971153625,3475cyclictest13458-21kworker/0:109:26:410
246189970063710,3285cyclictest966-21kworker/0:112:09:230
246189969673694,3262cyclictest966-21kworker/0:112:19:590
246189968943622,3220cyclictest25519-21kworker/0:009:52:510
246189968913408,3468cyclictest28105-21kworker/0:009:15:550
246189968773603,3259cyclictest22780-21kworker/0:209:42:280
246189968353409,3411cyclictest16126-21kworker/0:009:37:050
246189968203624,3185cyclictest27483-21kworker/0:211:01:120
246189968023574,3185cyclictest28105-21kworker/0:008:52:470
246189967853649,3085cyclictest28105-21kworker/0:008:57:160
246189967523687,3054cyclictest28105-21kworker/0:009:07:440
246189967263580,3104cyclictest4942-21kworker/0:011:21:580
246189967243677,3043cyclictest12906-21kworker/0:208:36:570
246189967173571,3136cyclictest28105-21kworker/0:009:03:140
246189966033470,3082cyclictest27688-21kworker/0:011:56:270
246189965573545,2961cyclictest28105-21kworker/0:009:21:030
246189965353257,3264cyclictest1307-21kworker/0:210:08:500
246189964743347,3117cyclictest24744-21kworker/0:010:50:130
246189964633439,3009cyclictest27688-21kworker/0:012:02:120
246189964293484,2886cyclictest16541-21kworker/0:210:48:370
246189963963481,2864cyclictest4942-21kworker/0:011:38:420
246189962703127,3120cyclictest966-21kworker/0:112:39:240
246189962383330,2897cyclictest16541-21kworker/0:210:38:550
246189960333189,2794cyclictest9713-21kworker/0:007:55:520
246189956453035,2599cyclictest11434-21kworker/0:010:27:290
240062864186,203sleep00-21swapper07:05:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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