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2026-01-17 - 18:27
[ 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 Sat Jan 17, 2026 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1378221670,4sleep2487899cyclictest09:45:302
313521500,8sleep00-21swapper/007:05:170
1745821500,7sleep0487699cyclictest09:55:180
168582690,4sleep20-21swapper/211:05:002
4878996433,3cyclictest33-21ksoftirqd/210:50:132
134491630,3ptp4l0-21swapper/108:00:141
4878996128,5cyclictest33-21ksoftirqd/210:55:132
4878996127,6cyclictest33-21ksoftirqd/211:30:142
4878996127,6cyclictest33-21ksoftirqd/208:10:282
4878996127,4cyclictest33-21ksoftirqd/209:14:592
4878996126,6cyclictest33-21ksoftirqd/207:55:162
4878996125,6cyclictest33-21ksoftirqd/211:50:012
134491610,5ptp4l28978-21apt-get11:30:121
4878996027,6cyclictest33-21ksoftirqd/207:20:182
4878996027,5cyclictest33-21ksoftirqd/207:10:132
4878996024,6cyclictest33-21ksoftirqd/211:45:012
134491600,4ptp4l1301-21snmpd08:42:322
4878995927,6cyclictest33-21ksoftirqd/210:15:292
4878995927,6cyclictest33-21ksoftirqd/208:45:122
4878995926,6cyclictest33-21ksoftirqd/209:50:192
4878995924,7cyclictest33-21ksoftirqd/209:55:202
4878995923,6cyclictest33-21ksoftirqd/212:35:132
4878995917,7cyclictest33-21ksoftirqd/207:40:002
134491590,4ptp4l0-21swapper/210:11:352
134491590,3ptp4l0-21swapper/112:35:221
4878995828,3cyclictest33-21ksoftirqd/210:00:292
4878995825,6cyclictest33-21ksoftirqd/210:25:162
4878995825,5cyclictest33-21ksoftirqd/208:20:132
4878995825,4cyclictest33-21ksoftirqd/208:25:332
4878995824,6cyclictest33-21ksoftirqd/211:15:162
4878995823,6cyclictest33-21ksoftirqd/209:25:262
4878995822,11cyclictest33-21ksoftirqd/210:35:012
134491580,4ptp4l18679-21sshd09:55:581
134491580,4ptp4l0-21swapper/107:39:351
134491580,3ptp4l0-21swapper/107:45:201
4878995729,3cyclictest33-21ksoftirqd/208:19:592
4878995727,7cyclictest33-21ksoftirqd/207:25:152
4878995725,5cyclictest33-21ksoftirqd/207:15:182
4878995723,6cyclictest33-21ksoftirqd/209:20:182
4878995723,6cyclictest33-21ksoftirqd/209:05:132
4878995722,6cyclictest33-21ksoftirqd/211:50:292
4878995721,6cyclictest33-21ksoftirqd/208:55:232
4878995719,7cyclictest33-21ksoftirqd/209:15:252
134491570,11ptp4l2532-21apt-get07:05:101
4878995625,5cyclictest33-21ksoftirqd/209:40:142
4878995625,5cyclictest33-21ksoftirqd/209:00:172
4878995624,5cyclictest33-21ksoftirqd/208:35:212
4878995624,4cyclictest33-21ksoftirqd/212:00:002
4878995623,6cyclictest33-21ksoftirqd/208:30:002
4878995623,5cyclictest33-21ksoftirqd/212:15:272
4878995622,4cyclictest33-21ksoftirqd/212:25:192
134491560,4ptp4l0-21swapper/012:20:210
4878995525,4cyclictest33-21ksoftirqd/208:05:142
4878995522,5cyclictest33-21ksoftirqd/212:30:192
4878995522,5cyclictest33-21ksoftirqd/207:45:292
4878995520,8cyclictest33-21ksoftirqd/212:00:202
4876995522,4cyclictest9-21ksoftirqd/011:51:380
134491550,4ptp4l0-21swapper/109:54:431
134491550,3ptp4l0-21swapper/207:30:142
134491550,3ptp4l0-21swapper/112:30:171
134491550,3ptp4l0-21swapper/008:10:230
134491550,12ptp4l0-21swapper/109:38:501
4878995426,6cyclictest33-21ksoftirqd/212:10:142
4878995426,6cyclictest33-21ksoftirqd/211:30:002
4878995419,6cyclictest33-21ksoftirqd/211:35:202
4878995419,5cyclictest33-21ksoftirqd/211:10:242
4878995418,6cyclictest33-21ksoftirqd/211:05:202
4878995418,6cyclictest33-21ksoftirqd/211:05:202
487699545,8cyclictest9-21ksoftirqd/007:45:260
487699545,3cyclictest121rcu_preempt10:15:240
487699544,3cyclictest0-21swapper/012:35:130
4876995421,3cyclictest9-21ksoftirqd/010:30:530
134491540,4ptp4l0-21swapper/107:43:361
134491540,15ptp4l0-21swapper/109:10:591
4878995324,3cyclictest33-21ksoftirqd/208:02:212
4878995321,5cyclictest33-21ksoftirqd/210:45:172
4878995319,5cyclictest33-21ksoftirqd/212:20:182
487699533,9cyclictest9-21ksoftirqd/011:20:180
487699533,5cyclictest9-21ksoftirqd/010:00:280
4876995324,3cyclictest9-21ksoftirqd/007:27:360
4876995323,6cyclictest9-21ksoftirqd/011:58:580
134491530,4ptp4l0-21swapper/109:20:161
4878995219,5cyclictest33-21ksoftirqd/207:50:452
4878995219,5cyclictest33-21ksoftirqd/207:50:452
4876995218,5cyclictest9-21ksoftirqd/012:25:170
487699521,6cyclictest101ktimersoftd/011:45:010
134491520,4ptp4l0-21swapper/107:28:081
134491520,4ptp4l0-21swapper/007:12:570
4878995120,6cyclictest33-21ksoftirqd/207:40:182
4878995119,5cyclictest33-21ksoftirqd/209:30:282
4878995114,5cyclictest33-21ksoftirqd/208:55:002
487699514,5cyclictest9-21ksoftirqd/012:15:170
487699513,7cyclictest9-21ksoftirqd/007:20:270
4876995124,6cyclictest9-21ksoftirqd/010:25:250
487699510,12cyclictest9-21ksoftirqd/010:41:320
4878995019,5cyclictest33-21ksoftirqd/210:35:262
487699505,5cyclictest9-21ksoftirqd/009:25:170
487699502,6cyclictest9-21ksoftirqd/011:30:270
487699502,6cyclictest9-21ksoftirqd/007:35:140
487699502,6cyclictest0-21swapper/009:35:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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