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2026-02-21 - 19:47
[ 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 Sat Feb 21, 2026 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
201072230163,21sleep00-21swapper/007:08:520
201102201168,22sleep30-21swapper/307:08:563
201092201167,23sleep20-21swapper/207:08:542
200162197164,22sleep10-21swapper/107:07:421
853621760,5sleep02049499cyclictest07:50:170
810321580,4sleep02049499cyclictest10:00:130
105912670,2sleep20-21swapper/210:05:132
136152660,5sleep125-21ksoftirqd/109:05:181
71112590,2sleep37115-21timerwakeupswit12:05:293
71112590,2sleep37115-21timerwakeupswit12:05:293
138491580,1ptp4l401ktimersoftd/311:55:123
138491570,1ptp4l401ktimersoftd/309:30:263
138491570,1ptp4l401ktimersoftd/309:30:253
138491530,1ptp4l391rcuc/309:18:493
138491510,0ptp4l401ktimersoftd/308:25:223
138491500,40ptp4l0-21swapper/307:10:013
138491470,1ptp4l0-21swapper/309:50:383
138491440,0ptp4l401ktimersoftd/310:40:053
138491440,0ptp4l401ktimersoftd/310:06:313
138491430,1ptp4l401ktimersoftd/308:31:253
138491430,0ptp4l401ktimersoftd/311:50:063
138491420,0ptp4l401ktimersoftd/311:35:263
138491420,0ptp4l401ktimersoftd/311:35:263
138491420,0ptp4l401ktimersoftd/308:19:553
221492390,1sleep10-21swapper/107:10:251
2049699390,37cyclictest0-21swapper/209:05:232
50798380,9rtkit-daemon0-21swapper/211:20:042
20496993832,4cyclictest33-21ksoftirqd/209:03:292
20497993730,4cyclictest41-21ksoftirqd/307:50:433
20497993729,5cyclictest41-21ksoftirqd/311:43:143
20496993731,4cyclictest33-21ksoftirqd/211:01:372
20496993730,4cyclictest33-21ksoftirqd/208:10:002
20495993730,4cyclictest25-21ksoftirqd/109:55:171
20494993730,4cyclictest9-21ksoftirqd/011:10:000
20494993730,4cyclictest15290-21cron10:15:010
20497993630,4cyclictest41-21ksoftirqd/310:26:563
20496993630,4cyclictest33-21ksoftirqd/210:40:392
20494993630,4cyclictest9-21ksoftirqd/007:29:010
20494993630,4cyclictest9-21ksoftirqd/007:23:290
20494993629,4cyclictest9-21ksoftirqd/012:32:500
138491360,1ptp4l401ktimersoftd/308:10:183
20497993529,4cyclictest41-21ksoftirqd/312:31:453
20497993529,4cyclictest41-21ksoftirqd/311:09:213
20496993530,3cyclictest33-21ksoftirqd/211:43:022
20496993530,3cyclictest33-21ksoftirqd/210:57:542
20496993528,4cyclictest33-21ksoftirqd/212:21:292
20495993529,4cyclictest25-21ksoftirqd/110:27:551
20494993529,4cyclictest9-21ksoftirqd/012:36:580
20494993529,4cyclictest9-21ksoftirqd/012:36:580
20494993529,4cyclictest9-21ksoftirqd/012:20:540
20494993529,4cyclictest9-21ksoftirqd/011:54:430
20494993529,4cyclictest9-21ksoftirqd/009:55:440
20494993529,4cyclictest9-21ksoftirqd/009:22:100
20494993529,4cyclictest9-21ksoftirqd/009:13:280
20494993529,4cyclictest9-21ksoftirqd/008:08:250
20494993529,4cyclictest9-21ksoftirqd/007:16:460
20494993529,4cyclictest9-21ksoftirqd/007:13:170
20494993528,5cyclictest9-21ksoftirqd/012:16:050
50798340,2rtkit-daemon506-21rtkit-daemon11:36:502
50798340,2rtkit-daemon506-21rtkit-daemon11:36:502
20497993429,3cyclictest41-21ksoftirqd/309:57:293
20497993428,4cyclictest41-21ksoftirqd/312:15:433
20497993428,4cyclictest41-21ksoftirqd/311:30:303
20497993428,4cyclictest41-21ksoftirqd/309:05:573
20497993428,4cyclictest41-21ksoftirqd/307:29:263
20497993428,3cyclictest41-21ksoftirqd/308:02:353
20497993427,4cyclictest41-21ksoftirqd/312:24:013
20496993429,3cyclictest33-21ksoftirqd/208:00:112
20496993429,3cyclictest10076-21cron12:15:012
20496993428,4cyclictest33-21ksoftirqd/212:34:162
20496993428,4cyclictest33-21ksoftirqd/211:49:272
20496993428,4cyclictest33-21ksoftirqd/210:52:152
20496993428,4cyclictest33-21ksoftirqd/210:28:292
20496993428,4cyclictest33-21ksoftirqd/209:15:112
20496993428,4cyclictest33-21ksoftirqd/208:42:292
20496993427,4cyclictest33-21ksoftirqd/209:46:592
20495993429,3cyclictest25-21ksoftirqd/111:39:591
20495993429,3cyclictest25-21ksoftirqd/111:39:591
20495993429,3cyclictest25-21ksoftirqd/110:55:181
20495993429,2cyclictest1594-21irqrtprio10:50:181
20495993428,4cyclictest25-21ksoftirqd/112:21:351
20495993428,4cyclictest25-21ksoftirqd/111:56:231
20495993428,4cyclictest25-21ksoftirqd/111:28:231
20495993428,4cyclictest25-21ksoftirqd/110:04:121
20495993428,4cyclictest25-21ksoftirqd/109:18:421
20495993428,4cyclictest25-21ksoftirqd/108:58:041
20495993427,5cyclictest25-21ksoftirqd/109:02:141
20494993430,2cyclictest9-21ksoftirqd/008:25:000
20494993428,4cyclictest9-21ksoftirqd/011:32:480
20494993428,4cyclictest9-21ksoftirqd/010:41:210
20494993428,4cyclictest9-21ksoftirqd/007:32:340
20494993428,3cyclictest9-21ksoftirqd/011:40:000
20494993428,3cyclictest9-21ksoftirqd/011:40:000
20494993428,3cyclictest9-21ksoftirqd/010:30:180
20494993427,5cyclictest9-21ksoftirqd/010:51:230
20494993427,4cyclictest9-21ksoftirqd/012:29:530
20494993427,4cyclictest9-21ksoftirqd/011:43:520
20494993427,4cyclictest9-21ksoftirqd/010:09:120
20494993427,4cyclictest9-21ksoftirqd/009:02:330
20497993327,4cyclictest41-21ksoftirqd/312:27:343
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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