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2026-07-03 - 01:59
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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 Thu Jul 02, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
286734021300,4sleep186188-21systemd-journal11:00:011
278893121120,2sleep2421rcuc/210:10:012
2538642992623,1cyclictest0-21swapper/312:20:183
2538642992614,9cyclictest2630435-21sleep08:20:003
2538642992522,1cyclictest0-21swapper/311:50:013
2538642992421,1cyclictest0-21swapper/310:00:023
2538642992420,1cyclictest0-21swapper/310:50:003
2538642992320,1cyclictest0-21swapper/310:15:273
2538642992218,1cyclictest0-21swapper/308:25:273
2538642992218,1cyclictest0-21swapper/307:40:003
253864299221,16cyclictest2572682-21turbostat07:35:003
2538642992118,1cyclictest0-21swapper/311:55:233
2538642992118,1cyclictest0-21swapper/311:55:013
2538642992118,1cyclictest0-21swapper/309:20:023
2538642992118,1cyclictest0-21swapper/308:00:083
253864299211,14cyclictest2970085-21taskset12:05:013
253864299211,14cyclictest2859707-21taskset10:55:013
2538642992017,1cyclictest0-21swapper/311:35:133
2538642992017,1cyclictest0-21swapper/309:05:153
253864299198,7cyclictest27002142sleep309:10:253
2538642991916,1cyclictest0-21swapper/311:20:003
2538642991916,1cyclictest0-21swapper/309:40:123
2538642991916,1cyclictest0-21swapper/308:20:183
2538642991916,1cyclictest0-21swapper/307:15:163
2538642991916,1cyclictest0-21swapper/307:15:153
253864299191,14cyclictest2732542-21taskset09:31:373
253864299191,14cyclictest2598292-21turbostat07:55:003
253864299191,13cyclictest2681474-21taskset08:58:333
2538642991910,6cyclictest28676982sleep311:00:113
2538642991815,1cyclictest0-21swapper/312:35:193
2538642991815,1cyclictest0-21swapper/312:00:183
2538642991815,1cyclictest0-21swapper/310:20:203
2538642991815,1cyclictest0-21swapper/309:00:103
253864299181,14cyclictest2835303-21taskset10:38:213
253864299181,13cyclictest3003959-21taskset12:25:183
253864299181,13cyclictest2984858-21taskset12:13:113
253864299181,13cyclictest2883346-21taskset11:10:043
253864299181,13cyclictest2771621-21taskset09:56:273
253864299181,13cyclictest2724671-21taskset09:26:293
253864299181,13cyclictest2675022-21taskset08:52:243
253864299181,13cyclictest2655997-21taskset08:39:293
253864299181,13cyclictest2585550-21turbostat07:45:003
253864299181,12cyclictest2820582-21chrt10:30:123
26935552170,9sleep134-21ksoftirqd/109:05:231
253864299177,7cyclictest28819662sleep311:06:563
253864299172,12cyclictest2789047-21taskset10:10:103
2538642991714,1cyclictest0-21swapper/312:15:423
2538642991714,1cyclictest0-21swapper/311:40:043
2538642991714,1cyclictest0-21swapper/311:20:103
2538642991714,1cyclictest0-21swapper/310:50:193
2538642991714,1cyclictest0-21swapper/310:25:133
2538642991714,1cyclictest0-21swapper/310:05:193
2538642991714,1cyclictest0-21swapper/309:50:233
2538642991714,1cyclictest0-21swapper/309:35:203
2538642991714,1cyclictest0-21swapper/308:40:063
2538642991714,1cyclictest0-21swapper/308:05:263
253864299171,13cyclictest2708297-21taskset09:15:263
253864299171,13cyclictest2662506-21sleep08:49:553
253864299171,13cyclictest2623262-21taskset08:10:233
253864299171,13cyclictest2604362-21taskset07:55:513
253864299171,13cyclictest2559911-21taskset07:24:533
253864299171,13cyclictest2544851-21taskset07:13:383
253864299171,12cyclictest3015456-21taskset12:30:433
253864299171,12cyclictest2921025-21taskset11:30:493
253864299171,12cyclictest2913140-21taskset11:25:453
253864299171,12cyclictest2755117-21taskset09:45:243
253864299171,12cyclictest2585992-21taskset07:45:133
253864299171,12cyclictest2560231-21chrt07:25:133
253864299171,12cyclictest2560231-21chrt07:25:123
2538642991613,1cyclictest0-21swapper/310:40:093
253864299161,12cyclictest2643952-21taskset08:30:153
27839492151,10sleep02785628-21kthreadcore10:05:190
27549652141,9sleep02755019-21ntpq09:45:220
25719692141,4sleep22572208-21unixbench_multi07:30:252
28770242134,6sleep02867100-21kworker/u16:3-nfsiod11:05:180
28336762131,4sleep12833717-21ntpq10:35:231
29846882120,4sleep12984694-21ssh12:12:471
29061552120,2sleep0222-21plymouthd11:23:010
28426412121,8sleep12842648-21sh10:41:561
27178712120,9sleep12717879-21ssh09:24:141
25804092120,2sleep02580416-21irqrtprio07:40:180
25784272120,9sleep12578693-21grep07:35:261
25348542126,3sleep0151ktimers/007:05:180
25324822121,5sleep20-21swapper/207:05:132
29839712111,7sleep20-21swapper/212:10:422
28783672110,8sleep12880052-21cut11:05:191
28232612111,8sleep12824987-21cut10:30:181
28040922110,9sleep12804098-21ssh10:19:111
27865322110,8sleep12786566-21ntpq10:05:241
27486962111,2sleep20-21swapper/209:42:562
27424492111,7sleep02743032-21sed09:40:180
27334602110,5sleep22733466-21ssh09:34:062
27265562110,8sleep02726695-21cat09:30:160
26311642111,3sleep22631720-21sed08:20:172
26166392111,6sleep12616676-21ntpq08:05:201
25662282110,3sleep2222-21plymouthd07:29:172
25662282110,3sleep2222-21plymouthd07:29:172
25385062112,5sleep12538530-21munin-run07:10:011
30246132100,3sleep0222-21plymouthd12:39:150
30244422100,7sleep23024450-21ssh12:38:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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