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2026-02-05 - 23:20
[ 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 Thu Feb 05, 2026 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
133112222161,49sleep00-21swapper/019:09:470
138591207167,29phc2sys0-21swapper/319:05:473
131272201168,22sleep20-21swapper/219:07:242
131052201167,23sleep10-21swapper/119:07:071
2080121790,3sleep21377399cyclictest22:35:272
1058121310,6sleep01377199cyclictest22:15:240
1377299628,19cyclictest13715-21taskset21:19:041
1377299579,10cyclictest25642-21cat19:30:261
1377299577,11cyclictest6395-21grep23:15:121
1377299546,15cyclictest21478-21apt-get19:25:111
1377299536,10cyclictest20601-21cat21:30:251
295542520,1sleep00-21swapper/000:00:180
172312520,2sleep00-21swapper/022:30:200
138491520,1ptp4l401ktimersoftd/323:49:073
138491520,1ptp4l401ktimersoftd/319:16:013
1377299505,15cyclictest26125-21runrttasks21:44:541
1377299504,17cyclictest0-21swapper/100:20:011
1377299464,10cyclictest0-21swapper/120:35:221
1377299458,8cyclictest14480-21df_inode23:30:141
1377299457,8cyclictest26920-21hddtemp_smartct23:55:151
1377299456,16cyclictest15655-21ssh21:20:251
1377299456,14cyclictest19727-21iostat_ios20:25:181
13773994426,15cyclictest33-21ksoftirqd/223:16:212
138491430,0ptp4l401ktimersoftd/322:41:033
13774994338,3cyclictest41-21ksoftirqd/320:09:073
13772994337,3cyclictest8515-21taskset22:11:331
13771994237,3cyclictest9-21ksoftirqd/022:40:000
138491410,0ptp4l401ktimersoftd/319:35:193
1377299416,7cyclictest27379-21irqstats21:45:181
135191400,1getstats0-21swapper/300:26:333
138491390,1ptp4l401ktimersoftd/300:15:293
13774993935,2cyclictest41-21ksoftirqd/320:00:013
1377299396,7cyclictest14763-21iostat22:25:181
13771993934,2cyclictest9-21ksoftirqd/000:40:010
13774993832,3cyclictest41-21ksoftirqd/321:20:013
1377399380,37cyclictest0-21swapper/200:05:232
1377299385,8cyclictest10029-21irqstats22:15:181
13771993833,3cyclictest9-21ksoftirqd/023:39:590
13774993732,3cyclictest41-21ksoftirqd/323:20:013
13774993732,3cyclictest41-21ksoftirqd/320:39:593
13774993730,5cyclictest41-21ksoftirqd/322:18:333
13773993732,3cyclictest33-21ksoftirqd/219:30:012
13773993731,4cyclictest33-21ksoftirqd/221:25:072
13773993731,4cyclictest33-21ksoftirqd/220:24:502
1377299375,8cyclictest1968-21df20:55:131
13771993730,4cyclictest9-21ksoftirqd/023:40:120
13774993631,3cyclictest41-21ksoftirqd/322:00:003
13774993631,3cyclictest41-21ksoftirqd/321:40:003
13774993631,3cyclictest41-21ksoftirqd/321:25:193
13774993631,3cyclictest41-21ksoftirqd/321:00:003
13774993630,4cyclictest41-21ksoftirqd/323:06:173
13774993630,4cyclictest41-21ksoftirqd/322:32:443
13774993630,4cyclictest41-21ksoftirqd/319:14:143
13774993630,4cyclictest41-21ksoftirqd/300:05:383
13774993630,3cyclictest41-21ksoftirqd/319:40:193
13774993623,11cyclictest41-21ksoftirqd/323:36:033
1377399368,27cyclictest0-21swapper/220:30:242
13773993630,4cyclictest33-21ksoftirqd/200:34:502
13773993630,4cyclictest33-21ksoftirqd/200:01:322
13772993630,3cyclictest25-21ksoftirqd/119:45:291
13771993631,3cyclictest9-21ksoftirqd/022:15:000
13771993630,4cyclictest9-21ksoftirqd/023:12:200
13771993630,4cyclictest9-21ksoftirqd/019:51:580
13771993630,4cyclictest9-21ksoftirqd/019:35:500
13771993629,4cyclictest9-21ksoftirqd/023:16:480
13774993531,3cyclictest41-21ksoftirqd/323:40:183
13774993531,2cyclictest41-21ksoftirqd/323:25:253
13774993531,2cyclictest391rcuc/319:20:183
13774993530,3cyclictest41-21ksoftirqd/322:00:183
13774993529,4cyclictest41-21ksoftirqd/319:32:523
13774993528,4cyclictest41-21ksoftirqd/320:02:333
13774993527,5cyclictest41-21ksoftirqd/321:40:183
13774993525,7cyclictest41-21ksoftirqd/321:54:273
13773993531,3cyclictest33-21ksoftirqd/220:20:002
13773993531,3cyclictest33-21ksoftirqd/219:17:342
13773993529,4cyclictest33-21ksoftirqd/223:22:252
13773993529,4cyclictest33-21ksoftirqd/222:42:292
13773993529,4cyclictest33-21ksoftirqd/220:36:332
13773993528,4cyclictest33-21ksoftirqd/221:51:082
1377299357,16cyclictest11979-21df_abs22:20:131
1377299352,9cyclictest0-21swapper/120:30:251
13772993529,4cyclictest25-21ksoftirqd/121:36:131
13772993529,4cyclictest25-21ksoftirqd/121:25:301
13772993528,4cyclictest25-21ksoftirqd/122:32:301
13771993530,3cyclictest9-21ksoftirqd/019:14:510
13771993529,4cyclictest9-21ksoftirqd/023:59:260
13771993529,4cyclictest9-21ksoftirqd/022:57:560
13771993529,4cyclictest9-21ksoftirqd/021:56:540
13771993529,4cyclictest9-21ksoftirqd/021:10:530
13771993529,4cyclictest9-21ksoftirqd/019:58:160
13771993529,4cyclictest9-21ksoftirqd/019:17:450
13771993529,4cyclictest9-21ksoftirqd/000:22:360
13774993430,3cyclictest41-21ksoftirqd/323:50:213
13774993429,3cyclictest41-21ksoftirqd/323:55:173
13774993428,4cyclictest41-21ksoftirqd/322:20:083
13774993428,4cyclictest41-21ksoftirqd/321:45:423
13774993428,4cyclictest41-21ksoftirqd/321:00:373
13774993428,4cyclictest41-21ksoftirqd/300:31:023
13774993428,3cyclictest41-21ksoftirqd/320:25:133
13774993427,4cyclictest6106-21grep23:15:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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