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2026-01-20 - 08:07
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 Tue Jan 20, 2026 00:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28172203170,22sleep20-21swapper/219:07:412
28162202167,23sleep10-21swapper/119:07:391
138591202168,23phc2sys0-21swapper/319:05:503
28402200166,22sleep00-21swapper/019:08:000
19022570,2sleep10-21swapper/123:25:141
3449995323,3cyclictest25-21ksoftirqd/122:55:181
3449995322,4cyclictest25-21ksoftirqd/123:00:121
138491530,1ptp4l401ktimersoftd/323:14:063
3449995123,4cyclictest25-21ksoftirqd/121:10:121
3449995119,4cyclictest25-21ksoftirqd/123:35:001
3449995021,4cyclictest25-21ksoftirqd/100:30:251
3449995019,4cyclictest25-21ksoftirqd/120:50:231
3449995019,3cyclictest25-21ksoftirqd/123:10:221
3449995016,4cyclictest25-21ksoftirqd/121:55:011
3449994920,3cyclictest25-21ksoftirqd/123:45:231
3449994916,7cyclictest25-21ksoftirqd/100:20:191
138491490,1ptp4l401ktimersoftd/321:42:123
138491490,1ptp4l401ktimersoftd/321:42:123
3449994719,5cyclictest25-21ksoftirqd/100:35:141
3449994719,3cyclictest25-21ksoftirqd/119:40:191
3449994716,7cyclictest25-21ksoftirqd/100:15:251
121312470,2sleep00-21swapper/022:40:160
3449994618,8cyclictest25-21ksoftirqd/119:15:261
3449994614,8cyclictest25-21ksoftirqd/121:20:141
3449994614,6cyclictest25-21ksoftirqd/119:35:181
3449994614,4cyclictest25-21ksoftirqd/123:55:291
3449994613,8cyclictest25-21ksoftirqd/123:20:181
3449994613,7cyclictest25-21ksoftirqd/122:20:251
3449994613,7cyclictest25-21ksoftirqd/122:20:241
344999459,4cyclictest25-21ksoftirqd/123:15:261
344999459,4cyclictest25-21ksoftirqd/119:30:111
3449994519,4cyclictest25-21ksoftirqd/100:10:251
3449994516,4cyclictest25-21ksoftirqd/120:10:191
3449994515,4cyclictest25-21ksoftirqd/122:10:131
3449994515,4cyclictest25-21ksoftirqd/120:35:141
3449994514,4cyclictest25-21ksoftirqd/119:45:151
3449994514,3cyclictest25-21ksoftirqd/122:20:001
138491450,0ptp4l401ktimersoftd/321:55:113
3449994416,8cyclictest25-21ksoftirqd/122:25:111
3449994415,6cyclictest25-21ksoftirqd/100:00:031
3449994415,4cyclictest25-21ksoftirqd/121:45:131
3449994415,4cyclictest25-21ksoftirqd/119:30:011
3449994415,4cyclictest25-21ksoftirqd/119:20:131
3449994413,7cyclictest25-21ksoftirqd/122:00:011
3449994413,4cyclictest25-21ksoftirqd/122:35:001
3449994412,4cyclictest25-21ksoftirqd/120:05:001
3449994412,4cyclictest25-21ksoftirqd/119:50:191
3449994410,3cyclictest25-21ksoftirqd/122:45:151
138491440,0ptp4l401ktimersoftd/322:24:233
138491440,0ptp4l401ktimersoftd/322:24:233
138491440,0ptp4l401ktimersoftd/319:25:223
344999439,4cyclictest25-21ksoftirqd/122:05:181
344999437,9cyclictest25-21ksoftirqd/123:05:181
3449994315,8cyclictest25-21ksoftirqd/119:55:221
3449994313,8cyclictest25-21ksoftirqd/120:20:191
3449994313,8cyclictest25-21ksoftirqd/120:20:191
3449994313,7cyclictest25-21ksoftirqd/100:05:151
3449994312,4cyclictest25-21ksoftirqd/120:40:131
3449994312,3cyclictest25-21ksoftirqd/121:25:181
3449994312,3cyclictest25-21ksoftirqd/120:25:151
3449994311,4cyclictest25-21ksoftirqd/121:40:191
3449994311,4cyclictest25-21ksoftirqd/121:40:191
135191430,6getstats345199cyclictest21:37:403
3449994236,3cyclictest25-21ksoftirqd/122:39:591
3449994217,7cyclictest25-21ksoftirqd/121:40:001
3449994215,8cyclictest25-21ksoftirqd/121:20:001
3449994215,3cyclictest25-21ksoftirqd/121:30:231
3449994213,3cyclictest25-21ksoftirqd/123:35:181
3449994211,7cyclictest25-21ksoftirqd/123:50:241
3449994210,8cyclictest25-21ksoftirqd/121:05:171
138491420,0ptp4l401ktimersoftd/322:05:503
3449994113,3cyclictest25-21ksoftirqd/120:30:111
3449994112,7cyclictest25-21ksoftirqd/122:00:131
3449994112,7cyclictest25-21ksoftirqd/120:55:141
3449994112,4cyclictest25-21ksoftirqd/120:05:161
138491410,0ptp4l401ktimersoftd/323:00:293
138491410,0ptp4l401ktimersoftd/321:11:103
3450994028,10cyclictest33-21ksoftirqd/223:23:142
344999407,4cyclictest25-21ksoftirqd/119:10:191
344999406,4cyclictest25-21ksoftirqd/122:50:271
344999406,4cyclictest25-21ksoftirqd/122:50:261
3449994011,3cyclictest25-21ksoftirqd/122:40:131
3449994010,4cyclictest25-21ksoftirqd/120:15:161
3449994010,11cyclictest25-21ksoftirqd/120:45:181
162512400,2sleep30-21swapper/319:35:133
3449993934,3cyclictest25-21ksoftirqd/121:05:001
3448993934,3cyclictest9-21ksoftirqd/000:39:590
3448993933,3cyclictest21175-21sh00:05:000
344999389,4cyclictest25-21ksoftirqd/123:40:121
3449993833,3cyclictest25-21ksoftirqd/100:25:171
138491380,0ptp4l401ktimersoftd/321:30:263
3451993732,3cyclictest41-21ksoftirqd/322:56:563
3451993731,3cyclictest41-21ksoftirqd/322:39:593
345199363,2cyclictest121rcu_preempt21:05:423
3451993629,5cyclictest41-21ksoftirqd/320:38:353
3451993628,5cyclictest41-21ksoftirqd/319:34:573
3450993630,4cyclictest33-21ksoftirqd/222:03:122
3450993630,4cyclictest33-21ksoftirqd/219:10:372
3450993630,4cyclictest33-21ksoftirqd/200:22:312
3450993628,5cyclictest33-21ksoftirqd/200:04:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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