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2026-01-20 - 20:32
[ 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 rackdslot1.osadl.org (updated Tue Jan 20, 2026 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491730,11ptp4l0-21swapper/312:23:303
225892660,3sleep1231rcuc/110:40:131
21503996431,5cyclictest33-21ksoftirqd/209:45:252
134491620,4ptp4l24074-21apt-get08:25:143
134491610,4ptp4l0-21swapper/311:20:133
21503996030,3cyclictest33-21ksoftirqd/208:10:222
134491600,5ptp4l0-21swapper/007:08:410
134491600,2ptp4l0-21swapper/307:30:173
21503995925,6cyclictest33-21ksoftirqd/210:50:142
21503995925,6cyclictest33-21ksoftirqd/210:50:142
134491580,4ptp4l0-21swapper/312:17:233
134491580,4ptp4l0-21swapper/312:17:233
134491570,4ptp4l0-21swapper/211:26:292
134491570,10ptp4l0-21swapper/111:04:331
21503995617,4cyclictest33-21ksoftirqd/208:25:262
134491560,3ptp4l0-21swapper/208:16:342
21503995518,3cyclictest33-21ksoftirqd/211:05:292
2150399543,44cyclictest0-21swapper/211:00:262
134491540,4ptp4l0-21swapper/311:59:053
134491540,3ptp4l0-21swapper/312:00:403
2150399534,8cyclictest33-21ksoftirqd/210:25:172
2150399534,5cyclictest33-21ksoftirqd/210:10:002
2150399531,6cyclictest33-21ksoftirqd/207:30:272
134491530,4ptp4l0-21swapper/310:15:583
2150399524,6cyclictest0-21swapper/210:45:192
2150399523,7cyclictest33-21ksoftirqd/212:00:272
2150399523,6cyclictest0-21swapper/210:36:282
2150399523,5cyclictest33-21ksoftirqd/209:45:002
2150399523,5cyclictest33-21ksoftirqd/207:15:162
2150399522,7cyclictest0-21swapper/209:57:332
2150399521,5cyclictest0-21swapper/209:00:282
134491520,4ptp4l0-21swapper/310:30:313
134491520,3ptp4l0-21swapper/308:03:303
134491520,11ptp4l0-21swapper/311:01:493
2150399514,5cyclictest33-21ksoftirqd/209:10:012
2150399514,12cyclictest0-21swapper/208:30:332
2150399513,8cyclictest0-21swapper/207:25:002
2150399512,6cyclictest33-21ksoftirqd/211:10:192
2150399512,6cyclictest0-21swapper/207:38:482
2150399512,33cyclictest0-21swapper/210:15:192
2150399511,6cyclictest33-21ksoftirqd/211:35:292
2150399511,6cyclictest33-21ksoftirqd/208:40:202
2150399511,6cyclictest0-21swapper/208:45:242
134491510,5ptp4l0-21swapper/210:55:092
134491510,4ptp4l0-21swapper/312:35:283
134491510,3ptp4l0-21swapper/311:45:293
134491510,3ptp4l0-21swapper/308:44:493
134491510,12ptp4l0-21swapper/308:07:063
2150399505,6cyclictest33-21ksoftirqd/208:20:192
2150399505,4cyclictest33-21ksoftirqd/212:05:182
2150399504,9cyclictest33-21ksoftirqd/210:44:272
2150399504,12cyclictest0-21swapper/209:30:242
2150399502,7cyclictest0-21swapper/210:10:182
2150399502,7cyclictest0-21swapper/208:00:162
2150399502,6cyclictest33-21ksoftirqd/210:30:242
2150399502,6cyclictest0-21swapper/211:15:262
2150399501,7cyclictest0-21swapper/212:16:212
2150399501,7cyclictest0-21swapper/212:16:202
2150399501,6cyclictest0-21swapper/212:25:262
2150399500,6cyclictest33-21ksoftirqd/212:35:252
134491500,4ptp4l0-21swapper/311:25:573
134491500,4ptp4l0-21swapper/311:18:473
134491500,4ptp4l0-21swapper/310:50:073
134491500,4ptp4l0-21swapper/310:50:073
134491500,4ptp4l0-21swapper/307:58:363
134491500,3ptp4l0-21swapper/310:40:213
134491500,3ptp4l0-21swapper/309:27:293
134491500,3ptp4l0-21swapper/308:14:213
134491500,3ptp4l0-21swapper/212:24:462
2150399495,5cyclictest33-21ksoftirqd/208:50:222
2150399494,5cyclictest33-21ksoftirqd/207:50:272
2150399494,5cyclictest33-21ksoftirqd/207:15:002
2150399493,9cyclictest33-21ksoftirqd/207:25:262
2150399492,7cyclictest0-21swapper/211:44:202
2150399492,6cyclictest0-21swapper/211:53:422
2150399491,6cyclictest0-21swapper/211:55:262
2150399490,6cyclictest33-21ksoftirqd/209:10:252
134491490,5ptp4l0-21swapper/307:05:263
134491490,5ptp4l0-21swapper/207:05:072
134491490,4ptp4l0-21swapper/311:39:293
134491490,4ptp4l0-21swapper/310:10:243
134491490,4ptp4l0-21swapper/308:31:183
134491490,4ptp4l0-21swapper/307:21:313
134491490,3ptp4l0-21swapper/311:41:473
2150399485,5cyclictest33-21ksoftirqd/209:15:172
2150399484,5cyclictest33-21ksoftirqd/209:25:002
2150399482,6cyclictest33-21ksoftirqd/212:30:172
2150399482,6cyclictest0-21swapper/209:25:242
2150399481,6cyclictest0-21swapper/211:45:442
2150399481,6cyclictest0-21swapper/208:55:252
2150399481,6cyclictest0-21swapper/207:45:112
2150399480,8cyclictest33-21ksoftirqd/212:10:172
2150399480,6cyclictest33-21ksoftirqd/208:35:232
2150399480,5cyclictest4540-21sed10:00:172
21502994817,29cyclictest14003-21kworker/1:108:09:581
134491480,4ptp4l0-21swapper/311:31:493
134491480,4ptp4l0-21swapper/308:37:313
134491480,4ptp4l0-21swapper/307:26:333
134491480,3ptp4l0-21swapper/310:37:003
134491480,3ptp4l0-21swapper/309:55:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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