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2026-02-23 - 22:47
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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 100 highest latencies:
System rackdslot4.osadl.org (updated Mon Feb 23, 2026 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591203170,22phc2sys0-21swapper/307:08:013
292672200167,22sleep00-21swapper/007:09:470
289702195162,22sleep20-21swapper/207:05:552
289992194161,23sleep10-21swapper/107:06:191
952821380,3sleep32958099cyclictest09:40:253
952821380,3sleep32958099cyclictest09:40:253
450121130,1sleep10-21swapper/107:25:001
138491630,1ptp4l401ktimersoftd/310:07:163
184582620,7sleep3401ktimersoftd/308:55:163
315892550,3sleep10-21swapper/110:25:201
1385915435,12phc2sys0-21swapper/307:10:003
29577994943,3cyclictest223-21systemd-journal09:25:010
224562470,2sleep10-21swapper/108:00:151
50798430,8rtkit-daemon0-21swapper/110:02:481
138491430,0ptp4l401ktimersoftd/310:54:123
138491430,0ptp4l401ktimersoftd/309:17:033
50798420,7rtkit-daemon0-21swapper/111:27:301
138491420,0ptp4l401ktimersoftd/309:22:453
50798410,5rtkit-daemon0-21swapper/011:40:070
29580994112,4cyclictest41-21ksoftirqd/307:45:243
29580994110,4cyclictest41-21ksoftirqd/308:05:003
2958099408,8cyclictest41-21ksoftirqd/310:25:173
29580994035,2cyclictest20114-21latency_hist10:05:003
29579994034,3cyclictest22821-21cron10:10:002
138491400,0ptp4l401ktimersoftd/310:30:573
29580993935,3cyclictest41-21ksoftirqd/307:40:003
29580993934,2cyclictest41-21ksoftirqd/311:45:003
2958099385,2cyclictest41-21ksoftirqd/312:00:223
29580993832,3cyclictest41-21ksoftirqd/307:30:003
29577993831,4cyclictest9-21ksoftirqd/012:07:040
138491380,0ptp4l401ktimersoftd/308:38:153
2958099377,6cyclictest41-21ksoftirqd/312:05:203
2958099376,3cyclictest41-21ksoftirqd/310:10:133
2958099376,3cyclictest41-21ksoftirqd/310:10:133
29580993734,2cyclictest41-21ksoftirqd/312:19:593
29580993733,3cyclictest41-21ksoftirqd/310:45:013
29580993733,3cyclictest41-21ksoftirqd/310:45:013
29580993733,3cyclictest41-21ksoftirqd/308:20:183
29580993733,2cyclictest41-21ksoftirqd/311:25:013
29580993733,2cyclictest41-21ksoftirqd/309:05:283
2958099373,2cyclictest121rcu_preempt09:50:153
29580993732,3cyclictest41-21ksoftirqd/311:49:593
29580993732,3cyclictest41-21ksoftirqd/311:49:593
29580993732,3cyclictest41-21ksoftirqd/307:50:153
29580993732,3cyclictest41-21ksoftirqd/307:20:273
29580993732,2cyclictest41-21ksoftirqd/311:55:253
29580993729,5cyclictest41-21ksoftirqd/310:15:113
29580993724,12cyclictest41-21ksoftirqd/308:10:003
2958099371,5cyclictest41-21ksoftirqd/311:05:173
2957999370,1cyclictest0-21swapper/212:35:232
2957899378,27cyclictest0-21swapper/111:53:421
29578993730,4cyclictest25-21ksoftirqd/111:48:161
29578993730,4cyclictest25-21ksoftirqd/111:48:151
138491370,0ptp4l401ktimersoftd/307:55:483
50798360,6rtkit-daemon25-21ksoftirqd/108:47:161
29580993631,3cyclictest41-21ksoftirqd/309:40:003
29580993631,3cyclictest41-21ksoftirqd/309:25:123
29580993631,3cyclictest41-21ksoftirqd/308:45:123
29580993629,4cyclictest41-21ksoftirqd/307:15:273
2958099361,4cyclictest41-21ksoftirqd/310:50:013
2958099361,3cyclictest121rcu_preempt08:50:223
2958099360,5cyclictest41-21ksoftirqd/311:50:273
29579993631,3cyclictest33-21ksoftirqd/211:50:002
29579993631,3cyclictest33-21ksoftirqd/211:50:002
29579993631,3cyclictest33-21ksoftirqd/211:03:182
29579993630,4cyclictest33-21ksoftirqd/209:18:262
29579993630,4cyclictest33-21ksoftirqd/208:24:262
29579993630,3cyclictest33-21ksoftirqd/208:15:002
29579993629,5cyclictest33-21ksoftirqd/209:21:072
29578993630,4cyclictest25-21ksoftirqd/112:08:101
29578993630,4cyclictest25-21ksoftirqd/109:53:231
29578993630,3cyclictest25-21ksoftirqd/110:50:191
29578993629,4cyclictest25-21ksoftirqd/111:11:501
29578993629,4cyclictest25-21ksoftirqd/108:38:011
29578993629,4cyclictest25-21ksoftirqd/108:34:331
29578993629,4cyclictest25-21ksoftirqd/108:14:581
29578993629,4cyclictest25-21ksoftirqd/107:10:441
29577993631,3cyclictest9-21ksoftirqd/011:05:130
29577993630,4cyclictest9-21ksoftirqd/007:14:130
2958099354,8cyclictest41-21ksoftirqd/311:15:143
29580993531,3cyclictest41-21ksoftirqd/310:55:153
29580993530,3cyclictest41-21ksoftirqd/310:35:153
29580993530,3cyclictest41-21ksoftirqd/310:23:293
29580993530,3cyclictest41-21ksoftirqd/308:30:003
29580993530,2cyclictest41-21ksoftirqd/308:45:003
29580993530,2cyclictest41-21ksoftirqd/308:45:003
29580993529,4cyclictest41-21ksoftirqd/308:19:263
29580993529,3cyclictest41-21ksoftirqd/307:30:023
2958099351,5cyclictest41-21ksoftirqd/309:30:163
2958099351,3cyclictest41-21ksoftirqd/311:00:123
2957999357,26cyclictest0-21swapper/207:55:232
29579993530,3cyclictest33-21ksoftirqd/210:23:112
29579993529,4cyclictest33-21ksoftirqd/212:11:322
29579993529,4cyclictest33-21ksoftirqd/211:09:412
29579993529,4cyclictest33-21ksoftirqd/210:04:152
29579993529,4cyclictest33-21ksoftirqd/209:06:462
29579993529,4cyclictest33-21ksoftirqd/208:39:022
29579993529,4cyclictest33-21ksoftirqd/208:28:192
29579993529,4cyclictest33-21ksoftirqd/207:19:122
29579993528,5cyclictest33-21ksoftirqd/210:14:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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