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2026-01-16 - 20:02
[ 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 Fri Jan 16, 2026 12:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18729996935,3cyclictest9-21ksoftirqd/011:50:000
134491680,4ptp4l0-21swapper/007:05:140
134491680,30ptp4l41-21ksoftirqd/308:45:173
18730996634,4cyclictest25-21ksoftirqd/109:45:241
18729996632,3cyclictest9-21ksoftirqd/009:00:230
18729996534,3cyclictest9-21ksoftirqd/010:25:150
18729996331,3cyclictest9-21ksoftirqd/010:05:010
18729996328,3cyclictest9-21ksoftirqd/007:50:140
18729996233,3cyclictest9-21ksoftirqd/012:20:200
18730996129,4cyclictest25-21ksoftirqd/109:50:121
134491610,4ptp4l0-21swapper/309:25:063
18730996031,3cyclictest25-21ksoftirqd/112:05:241
18730996030,5cyclictest25-21ksoftirqd/112:16:191
18730996029,3cyclictest25-21ksoftirqd/109:35:161
18729996031,3cyclictest9-21ksoftirqd/010:15:230
18729996023,4cyclictest9-21ksoftirqd/009:30:180
18730995932,4cyclictest25-21ksoftirqd/109:00:161
18730995828,3cyclictest25-21ksoftirqd/109:40:141
18730995827,6cyclictest25-21ksoftirqd/107:45:241
18730995827,3cyclictest25-21ksoftirqd/108:05:001
18729995826,10cyclictest9-21ksoftirqd/008:50:170
134491580,4ptp4l0-21swapper/309:47:163
134491580,4ptp4l0-21swapper/110:59:521
18730995723,4cyclictest25-21ksoftirqd/112:00:001
18729995728,3cyclictest9-21ksoftirqd/012:30:220
134491570,5ptp4l0-21swapper/207:55:132
134491570,4ptp4l0-21swapper/308:53:593
18730995625,3cyclictest25-21ksoftirqd/110:20:171
18729995620,8cyclictest9-21ksoftirqd/007:15:420
18729995620,8cyclictest9-21ksoftirqd/007:15:420
18729995617,4cyclictest9-21ksoftirqd/012:01:340
18730995527,4cyclictest25-21ksoftirqd/107:30:321
18729995518,3cyclictest9-21ksoftirqd/012:15:250
134491550,4ptp4l0-21swapper/208:48:562
134491550,3ptp4l0-21swapper/307:29:263
134491550,3ptp4l0-21swapper/210:08:282
134491550,12ptp4l0-21swapper/310:45:573
1873099548,3cyclictest25-21ksoftirqd/107:50:251
18730995426,6cyclictest25-21ksoftirqd/108:55:191
18730995424,3cyclictest25-21ksoftirqd/111:45:011
18730995423,4cyclictest25-21ksoftirqd/109:13:361
18730995421,4cyclictest25-21ksoftirqd/109:30:221
18730995420,7cyclictest25-21ksoftirqd/112:20:151
18729995417,6cyclictest9-21ksoftirqd/011:15:170
134491540,4ptp4l0-21swapper/212:31:482
134491540,3ptp4l0-21swapper/307:11:493
18730995324,4cyclictest25-21ksoftirqd/108:45:141
18730995319,7cyclictest25-21ksoftirqd/111:15:201
18730995319,6cyclictest25-21ksoftirqd/111:50:011
18730995318,3cyclictest25-21ksoftirqd/110:08:141
18729995331,9cyclictest9-21ksoftirqd/011:35:000
18729995322,7cyclictest9-21ksoftirqd/008:35:180
18729995319,8cyclictest9-21ksoftirqd/012:05:190
134491530,3ptp4l0-21swapper/210:05:002
18730995224,4cyclictest25-21ksoftirqd/108:30:241
18730995224,4cyclictest25-21ksoftirqd/107:13:181
18730995222,4cyclictest25-21ksoftirqd/111:05:111
18730995221,13cyclictest25-21ksoftirqd/112:00:261
18730995220,4cyclictest25-21ksoftirqd/107:15:371
18730995220,4cyclictest25-21ksoftirqd/107:15:371
18730995218,4cyclictest25-21ksoftirqd/108:10:151
18730995215,8cyclictest25-21ksoftirqd/109:25:271
1872999526,8cyclictest1132-21sh11:10:000
134491520,4ptp4l0-21swapper/311:30:293
134491520,4ptp4l0-21swapper/111:53:281
134491520,4ptp4l0-21swapper/010:09:580
18730995122,4cyclictest25-21ksoftirqd/107:43:521
18730995118,7cyclictest25-21ksoftirqd/108:20:001
18730995116,3cyclictest25-21ksoftirqd/110:30:251
1872999518,8cyclictest9-21ksoftirqd/009:45:190
1872999515,9cyclictest9-21ksoftirqd/009:25:150
18729995117,6cyclictest9-21ksoftirqd/007:35:230
134491510,4ptp4l0-21swapper/209:20:102
134491510,4ptp4l0-21swapper/208:27:522
134491510,4ptp4l0-21swapper/009:57:340
134491510,3ptp4l0-21swapper/312:17:583
134491510,3ptp4l0-21swapper/208:14:572
134491510,10ptp4l0-21swapper/211:00:142
230162500,6sleep30-21swapper/312:00:003
18730995023,4cyclictest25-21ksoftirqd/107:29:231
18730995019,8cyclictest25-21ksoftirqd/112:10:131
18730995019,4cyclictest25-21ksoftirqd/112:30:211
18730995014,7cyclictest25-21ksoftirqd/110:13:231
1872999500,5cyclictest443-21rs:main0
134491500,4ptp4l0-21swapper/311:03:493
134491500,4ptp4l0-21swapper/309:22:393
134491500,4ptp4l0-21swapper/308:07:293
134491500,4ptp4l0-21swapper/210:42:512
134491500,4ptp4l0-21swapper/209:19:012
134491500,3ptp4l0-21swapper/310:20:273
134491500,3ptp4l0-21swapper/307:57:163
18730994921,4cyclictest25-21ksoftirqd/111:35:171
18730994920,3cyclictest25-21ksoftirqd/111:04:591
18730994915,4cyclictest25-21ksoftirqd/110:35:281
1872999495,3cyclictest9-21ksoftirqd/011:00:180
18729994934,3cyclictest9-21ksoftirqd/007:20:210
1872999493,2cyclictest9-21ksoftirqd/012:10:020
1872999491,2cyclictest9-21ksoftirqd/008:30:010
134491490,4ptp4l0-21swapper/212:16:352
134491490,4ptp4l0-21swapper/208:36:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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