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2026-02-20 - 07:53
[ 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 Fri Feb 20, 2026 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
293832211145,22sleep20-21swapper/219:06:432
294122204169,23sleep10-21swapper/119:07:061
294042202168,22sleep30-21swapper/319:06:593
295802198165,21sleep00-21swapper/019:09:100
683021470,6sleep32994099cyclictest19:25:253
1324021030,6sleep02993799cyclictest19:40:150
2964528162,11sleep20-21swapper/219:10:012
29939996326,7cyclictest33-21ksoftirqd/223:15:002
64712620,2sleep00-21swapper/022:40:220
29939996125,5cyclictest33-21ksoftirqd/222:25:192
29939996032,6cyclictest33-21ksoftirqd/219:25:012
318312590,3sleep20-21swapper/223:30:272
29939995831,4cyclictest33-21ksoftirqd/223:15:132
29939995829,5cyclictest33-21ksoftirqd/221:20:002
29939995829,4cyclictest33-21ksoftirqd/200:05:222
29939995826,6cyclictest33-21ksoftirqd/220:10:182
29939995823,5cyclictest33-21ksoftirqd/200:25:012
29939995726,5cyclictest33-21ksoftirqd/223:50:242
29939995726,3cyclictest33-21ksoftirqd/222:35:132
29939995724,5cyclictest33-21ksoftirqd/222:30:212
29939995723,4cyclictest33-21ksoftirqd/220:30:012
29939995722,3cyclictest33-21ksoftirqd/219:15:272
138491570,1ptp4l401ktimersoftd/320:46:043
29939995628,7cyclictest33-21ksoftirqd/219:30:252
29939995628,4cyclictest33-21ksoftirqd/219:40:232
29939995627,7cyclictest33-21ksoftirqd/222:15:012
29939995627,7cyclictest33-21ksoftirqd/200:10:132
29939995621,9cyclictest33-21ksoftirqd/220:50:012
135191560,10getstats0-21swapper/321:20:113
29939995528,4cyclictest33-21ksoftirqd/222:00:252
29939995525,3cyclictest33-21ksoftirqd/219:25:262
29939995524,6cyclictest33-21ksoftirqd/222:20:192
138491550,1ptp4l401ktimersoftd/320:21:063
60462540,2sleep30-21swapper/321:35:193
29939995425,4cyclictest33-21ksoftirqd/200:28:092
29939995327,7cyclictest33-21ksoftirqd/221:39:592
29939995327,6cyclictest33-21ksoftirqd/223:35:132
29939995323,4cyclictest33-21ksoftirqd/200:31:432
29939995321,5cyclictest33-21ksoftirqd/220:34:592
29939995321,4cyclictest33-21ksoftirqd/222:50:122
313272520,3sleep00-21swapper/019:10:220
29939995228,6cyclictest33-21ksoftirqd/223:45:252
29939995226,6cyclictest33-21ksoftirqd/222:55:192
29939995223,4cyclictest33-21ksoftirqd/200:39:582
29939995222,3cyclictest33-21ksoftirqd/220:00:242
29939995220,4cyclictest33-21ksoftirqd/219:50:162
29939995218,4cyclictest33-21ksoftirqd/223:00:222
29939995125,6cyclictest33-21ksoftirqd/223:05:182
29939995123,4cyclictest33-21ksoftirqd/200:00:182
29939995122,3cyclictest33-21ksoftirqd/220:41:012
29939995120,9cyclictest33-21ksoftirqd/220:05:132
29939995119,9cyclictest33-21ksoftirqd/223:45:002
29939995119,6cyclictest33-21ksoftirqd/222:05:132
29939995119,6cyclictest33-21ksoftirqd/221:05:152
29939995117,8cyclictest33-21ksoftirqd/222:15:192
29939995116,4cyclictest33-21ksoftirqd/222:45:192
29939995113,6cyclictest33-21ksoftirqd/221:45:212
29939995113,6cyclictest33-21ksoftirqd/221:45:212
184142510,2sleep30-21swapper/322:00:183
29939995024,6cyclictest33-21ksoftirqd/200:15:202
29939995022,7cyclictest33-21ksoftirqd/221:04:592
29939995022,3cyclictest33-21ksoftirqd/223:20:552
29939995018,7cyclictest33-21ksoftirqd/219:40:002
29939995018,4cyclictest33-21ksoftirqd/221:25:012
29939995017,6cyclictest33-21ksoftirqd/221:30:192
29939995017,6cyclictest33-21ksoftirqd/219:45:142
29939995016,4cyclictest33-21ksoftirqd/221:55:132
29939994923,8cyclictest33-21ksoftirqd/221:40:262
29939994918,9cyclictest33-21ksoftirqd/222:40:252
29939994916,6cyclictest33-21ksoftirqd/220:50:132
29939994916,5cyclictest33-21ksoftirqd/221:50:122
138491490,1ptp4l29614-21taskset20:11:233
2993999486,3cyclictest33-21ksoftirqd/220:15:162
29939994817,3cyclictest33-21ksoftirqd/220:55:152
29939994811,9cyclictest33-21ksoftirqd/219:55:182
29939994717,9cyclictest33-21ksoftirqd/223:25:242
29939994717,3cyclictest33-21ksoftirqd/221:25:242
29939994712,6cyclictest33-21ksoftirqd/220:20:152
2993999464,6cyclictest33-21ksoftirqd/221:10:202
2993999454,7cyclictest33-21ksoftirqd/223:55:112
2993899451,41cyclictest27463-21ls00:30:001
138491430,0ptp4l401ktimersoftd/320:19:533
138491430,0ptp4l401ktimersoftd/300:26:503
138491420,0ptp4l401ktimersoftd/322:25:153
138491420,0ptp4l401ktimersoftd/320:57:363
138491420,0ptp4l401ktimersoftd/300:20:283
2993999413,2cyclictest9937-21taskset20:39:532
138491410,1ptp4l401ktimersoftd/323:09:563
135191410,1getstats24697-1kworker/3:1H21:15:103
138491400,0ptp4l401ktimersoftd/323:00:233
29938993833,3cyclictest25-21ksoftirqd/120:40:001
29938993832,4cyclictest25-21ksoftirqd/121:55:111
29938993732,3cyclictest25-21ksoftirqd/123:25:011
29938993732,3cyclictest25-21ksoftirqd/122:55:001
29937993730,4cyclictest9-21ksoftirqd/023:15:120
29940993630,4cyclictest41-21ksoftirqd/320:03:573
29938993631,3cyclictest25-21ksoftirqd/122:32:511
29938993631,3cyclictest25-21ksoftirqd/121:10:001
29938993631,3cyclictest25-21ksoftirqd/100:40:011
29938993630,4cyclictest25-21ksoftirqd/122:40:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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