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2026-02-18 - 11:14
[ 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 Wed Feb 18, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37492205171,22sleep30-21swapper/319:06:503
38662202168,22sleep10-21swapper/119:08:211
38352201167,22sleep20-21swapper/219:07:582
38652200166,22sleep00-21swapper/019:08:200
446221580,6sleep3428899cyclictest20:15:143
950121190,3sleep0428599cyclictest22:35:160
1385919379,7phc2sys0-21swapper/319:10:013
138491720,1ptp4l401ktimersoftd/300:02:473
104692670,1sleep00-21swapper/020:25:260
13462590,6sleep3428899cyclictest23:25:013
138491560,0ptp4l401ktimersoftd/300:25:263
103102550,2sleep30-21swapper/322:35:223
138491530,1ptp4l401ktimersoftd/322:43:463
189412510,2sleep20-21swapper/221:50:002
138491490,17ptp4l13617-21taskset21:35:573
135191490,9getstats0-21swapper/321:09:423
261512470,2sleep30-21swapper/323:10:013
156242450,2sleep30-21swapper/319:30:253
4287994438,3cyclictest23777-21cron20:55:002
138491430,1ptp4l401ktimersoftd/323:30:403
138491430,0ptp4l401ktimersoftd/300:15:153
138491420,0ptp4l401ktimersoftd/322:20:173
4286994030,6cyclictest25-21ksoftirqd/122:35:121
138491400,0ptp4l401ktimersoftd/322:59:423
50798390,4rtkit-daemon12443-21iostat21:35:161
4287993934,3cyclictest33-21ksoftirqd/223:00:002
4285993935,2cyclictest9-21ksoftirqd/021:19:590
50798370,6rtkit-daemon0-21swapper/023:43:220
50798370,2rtkit-daemon0-21swapper/023:29:100
4287993731,4cyclictest33-21ksoftirqd/223:09:302
4287993730,4cyclictest21345-21ls19:44:592
4286993731,4cyclictest25-21ksoftirqd/121:32:171
4285993732,3cyclictest9-21ksoftirqd/022:35:010
4285993732,3cyclictest9-21ksoftirqd/022:20:000
4285993731,3cyclictest9-21ksoftirqd/022:55:130
135191370,1getstats19567-1kworker/3:0H21:19:423
4288993630,4cyclictest41-21ksoftirqd/321:41:313
4287993632,3cyclictest33-21ksoftirqd/223:30:002
4287993631,3cyclictest33-21ksoftirqd/220:59:362
4287993630,4cyclictest33-21ksoftirqd/221:37:252
4287993630,4cyclictest33-21ksoftirqd/221:09:492
4287993625,10cyclictest33-21ksoftirqd/222:05:012
4285993631,3cyclictest9-21ksoftirqd/022:30:000
4285993631,3cyclictest9-21ksoftirqd/021:00:010
4285993630,4cyclictest9-21ksoftirqd/022:10:110
4285993629,4cyclictest9-21ksoftirqd/022:50:190
154322360,5sleep233-21ksoftirqd/222:45:242
138491360,0ptp4l401ktimersoftd/319:40:213
50798350,2rtkit-daemon0-21swapper/120:36:061
50798350,2rtkit-daemon0-21swapper/020:38:580
4288993531,3cyclictest41-21ksoftirqd/320:46:333
4288993530,3cyclictest41-21ksoftirqd/321:45:163
4288993530,3cyclictest26286-21cron22:05:003
4288993529,4cyclictest41-21ksoftirqd/322:53:113
4287993530,3cyclictest33-21ksoftirqd/222:35:112
4287993530,3cyclictest33-21ksoftirqd/219:10:422
4287993529,4cyclictest33-21ksoftirqd/222:22:172
4287993529,4cyclictest33-21ksoftirqd/222:10:102
4287993529,4cyclictest33-21ksoftirqd/221:58:512
4287993529,4cyclictest33-21ksoftirqd/221:52:162
4286993529,4cyclictest25-21ksoftirqd/123:27:201
4286993529,4cyclictest25-21ksoftirqd/123:01:551
4286993529,4cyclictest25-21ksoftirqd/122:20:081
4286993529,4cyclictest25-21ksoftirqd/119:48:121
4286993529,4cyclictest25-21ksoftirqd/100:36:311
4285993531,3cyclictest9-21ksoftirqd/023:55:010
4285993531,3cyclictest9-21ksoftirqd/021:40:010
4285993531,2cyclictest9-21ksoftirqd/022:45:010
4285993531,2cyclictest9-21ksoftirqd/021:10:190
4285993530,3cyclictest9-21ksoftirqd/022:20:170
4285993530,3cyclictest9-21ksoftirqd/021:35:010
4285993530,3cyclictest9-21ksoftirqd/021:29:080
4285993530,3cyclictest9-21ksoftirqd/020:55:000
4285993529,4cyclictest9-21ksoftirqd/023:01:590
4285993529,4cyclictest9-21ksoftirqd/022:46:550
4285993529,4cyclictest9-21ksoftirqd/020:34:370
4285993529,3cyclictest9-21ksoftirqd/000:00:000
4288993429,3cyclictest41-21ksoftirqd/322:50:013
4288993428,4cyclictest41-21ksoftirqd/323:38:283
4288993428,4cyclictest41-21ksoftirqd/321:55:523
4288993428,4cyclictest41-21ksoftirqd/320:34:233
4288993428,4cyclictest41-21ksoftirqd/320:21:443
4288993428,4cyclictest41-21ksoftirqd/320:09:123
4288993428,4cyclictest41-21ksoftirqd/319:46:303
4288993419,3cyclictest41-21ksoftirqd/323:05:003
4287993430,3cyclictest33-21ksoftirqd/220:26:092
4287993429,3cyclictest33-21ksoftirqd/219:50:122
4287993428,4cyclictest33-21ksoftirqd/223:49:552
4287993428,4cyclictest33-21ksoftirqd/223:15:522
4286993429,3cyclictest25-21ksoftirqd/120:25:121
4286993428,4cyclictest25-21ksoftirqd/123:40:061
4286993428,4cyclictest25-21ksoftirqd/123:38:341
4286993428,4cyclictest25-21ksoftirqd/122:45:021
4286993428,4cyclictest25-21ksoftirqd/122:11:571
4286993428,4cyclictest25-21ksoftirqd/100:18:381
4285993430,3cyclictest9-21ksoftirqd/019:35:180
4285993429,3cyclictest9-21ksoftirqd/023:05:100
4285993429,3cyclictest9-21ksoftirqd/022:04:080
4285993428,4cyclictest9-21ksoftirqd/020:03:310
4285993428,4cyclictest9-21ksoftirqd/000:24:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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