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2026-03-20 - 06:06
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot8.osadl.org (updated Fri Mar 20, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31107362260,3sleep0221rcuc/023:10:320
276549299258,10cyclictest30516632sleep322:35:163
276549299243,9cyclictest2870305-21sleep20:30:013
276549299231,18cyclictest2958188-21taskset21:31:373
276549299231,17cyclictest3097162-21taskset23:05:013
276549299221,17cyclictest3211246-21taskset00:18:263
276549299221,17cyclictest2838400-21taskset20:03:373
276549299221,17cyclictest2793829-21taskset19:30:103
276549299217,9cyclictest31568302sleep323:40:553
276549299217,9cyclictest31568302sleep323:40:553
276549299212,15cyclictest3035470-21taskset22:24:283
276549299211,17cyclictest3218077-21taskset00:21:073
276549299211,17cyclictest3202878-21taskset00:11:203
276549299211,17cyclictest3119705-21taskset23:19:293
276549299211,17cyclictest2914532-21taskset21:02:263
276549299211,17cyclictest2857273-21taskset20:16:323
276549299211,17cyclictest2831916-21taskset19:56:403
276549299211,16cyclictest3189103-21taskset00:05:033
276549299211,16cyclictest3111654-21taskset23:13:193
276549299211,16cyclictest3080511-21taskset22:51:463
276549299211,16cyclictest3049529-21taskset22:30:383
276549299211,16cyclictest3027705-21taskset22:19:073
276549299211,16cyclictest3012369-21taskset22:08:493
276549299211,16cyclictest2965974-21taskset21:37:143
276549299211,16cyclictest2943343-21taskset21:23:033
276549299211,16cyclictest2908078-21taskset20:55:533
276549299211,16cyclictest2844846-21taskset20:09:593
276549299211,16cyclictest2844846-21taskset20:09:593
276549299211,16cyclictest2780247-21taskset19:16:033
276549299210,17cyclictest2931632-21taskset21:15:173
30504882201,16sleep13050494-21ssh22:33:331
29572842201,5sleep22957327-21ntp_states21:30:242
276549299206,11cyclictest3019371-21taskset22:12:063
276549299201,16cyclictest3226875-21taskset00:29:323
276549299201,16cyclictest3172032-21taskset23:50:443
276549299201,16cyclictest3141832-21taskset23:31:513
276549299201,16cyclictest3073257-21taskset22:48:023
276549299201,16cyclictest3065957-21taskset22:43:573
276549299201,16cyclictest2989393-21taskset21:54:023
276549299201,16cyclictest2979936-21taskset21:45:203
276549299201,16cyclictest2950488-21taskset21:26:273
276549299201,16cyclictest2928467-21taskset21:14:213
276549299201,16cyclictest2920773-21taskset21:06:113
276549299201,16cyclictest2901721-21taskset20:50:353
276549299201,16cyclictest2882636-21taskset20:35:403
276549299201,16cyclictest2876514-21taskset20:33:523
276549299201,16cyclictest2825749-21taskset19:54:033
276549299201,15cyclictest3188397-21taskset00:03:393
276549299201,15cyclictest3179873-21taskset23:56:213
276549299201,15cyclictest3135221-21turbostat23:30:003
276549299201,15cyclictest3125740-21taskset23:20:253
276549299201,15cyclictest3095782-21taskset23:01:413
276549299201,15cyclictest2889031-21taskset20:41:293
276549299201,15cyclictest2793221-21taskset19:26:053
276549299201,14cyclictest28129382sleep319:44:383
276549299200,17cyclictest3233473-21taskset00:31:213
276549299192,13cyclictest2819152-21taskset19:46:133
276549299191,15cyclictest3149449-21taskset23:36:533
276549299191,15cyclictest2895500-21taskset20:47:153
276549299191,15cyclictest2771834-21taskset19:14:183
276549299191,14cyclictest3042639-21taskset22:27:573
276549299191,13cyclictest2780885-21chrt19:20:123
276549299190,16cyclictest2997006-21taskset21:58:513
276549299190,16cyclictest2997006-21taskset21:58:513
276549299190,16cyclictest2851110-21taskset20:14:083
28341382180,8sleep1331ktimers/120:00:191
27925932182,5sleep02792632-21ntpq19:25:230
276549299181,14cyclictest3161209-21taskset23:45:183
276549299181,13cyclictest3005081-21taskset22:04:563
276549299181,13cyclictest3005081-21taskset22:04:563
276549299180,15cyclictest2863742-21taskset20:22:573
276549299180,13cyclictest3234971-21taskset00:35:023
28565842171,4sleep12856623-21ntpq20:15:231
276549299171,13cyclictest3088491-21taskset22:58:003
276549299171,13cyclictest2973531-21taskset21:42:033
276549299161,12cyclictest2801154-21taskset19:35:153
276549299161,12cyclictest2765510-21taskset19:10:013
29062452151,11sleep22907297-21memory20:55:212
27990532151,4sleep0222-21plymouthd19:30:200
27656642151,3sleep10-21swapper/119:10:131
129998150,8rtkit-daemon3002928-21ssh22:00:212
129998150,8rtkit-daemon3002928-21ssh22:00:212
129998150,11rtkit-daemon3118962-21ssh23:17:152
31638122146,5sleep134-21ksoftirqd/123:45:261
31867082130,3sleep00-21swapper/000:00:240
31807812130,10sleep23180785-21ssh23:59:102
30593142130,6sleep23059387-21ssh22:40:162
27644352132,5sleep12764461-21ntpq19:05:241
129998130,8rtkit-daemon2779074-21cut19:15:181
129998130,4rtkit-daemon222-21plymouthd20:05:061
129998130,4rtkit-daemon222-21plymouthd20:05:061
31919362121,8sleep13193746-21kthreadcore00:05:181
30832602121,8sleep13084844-21kthreadcore22:55:181
30579882121,2sleep20-21swapper/222:38:032
30507892120,1sleep20-21swapper/222:34:272
30189232120,9sleep03018929-21ssh22:10:390
29076492120,8sleep02907759-21wc20:55:270
27873392121,2sleep20-21swapper/219:25:132
129998120,8rtkit-daemon2870042-21kworker/u16:1+nfsiod23:21:412
129998120,2rtkit-daemon0-21swapper/119:46:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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