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2026-02-06 - 22:45
[ 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 Feb 06, 2026 12:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
438421380,6sleep32036199cyclictest12:20:163
20359997829,6cyclictest25-21ksoftirqd/111:46:351
20359997829,6cyclictest25-21ksoftirqd/111:46:351
12232660,4sleep341-21ksoftirqd/311:05:143
20360996530,5cyclictest33-21ksoftirqd/211:46:412
20360996530,5cyclictest33-21ksoftirqd/211:46:412
20358996422,3cyclictest9-21ksoftirqd/011:46:550
20358996422,3cyclictest9-21ksoftirqd/011:46:540
20359996319,8cyclictest25-21ksoftirqd/112:32:141
134491600,3ptp4l2480-21meminfo12:15:162
134491600,3ptp4l18373-21ntp_states11:40:210
20359995827,7cyclictest25-21ksoftirqd/108:15:001
20359995825,4cyclictest25-21ksoftirqd/110:45:211
134491580,4ptp4l0-21swapper/009:15:250
134491580,3ptp4l0-21swapper/008:20:320
134491580,2ptp4l25-21ksoftirqd/107:05:141
232802570,5sleep12035999cyclictest10:40:251
134491570,4ptp4l0-21swapper/111:37:051
134491570,4ptp4l0-21swapper/011:07:190
134491570,3ptp4l0-21swapper/008:45:210
20359995615,9cyclictest25-21ksoftirqd/108:00:171
134491560,4ptp4l0-21swapper/208:40:232
134491560,3ptp4l0-21swapper/209:02:332
20359995524,8cyclictest25-21ksoftirqd/112:35:261
20359995523,4cyclictest25-21ksoftirqd/108:05:261
20359995522,4cyclictest25-21ksoftirqd/111:44:431
134491550,5ptp4l0-21swapper/207:28:012
20359995444,3cyclictest25-21ksoftirqd/110:15:071
20359995426,3cyclictest25-21ksoftirqd/111:59:021
20359995425,4cyclictest25-21ksoftirqd/109:01:031
20359995425,3cyclictest25-21ksoftirqd/107:15:481
20359995423,5cyclictest25-21ksoftirqd/108:42:541
20359995423,3cyclictest25-21ksoftirqd/108:25:021
20359995421,7cyclictest25-21ksoftirqd/112:25:141
20359995420,3cyclictest25-21ksoftirqd/112:06:091
20359995325,7cyclictest25-21ksoftirqd/109:33:561
20359995324,4cyclictest25-21ksoftirqd/111:20:401
20359995316,10cyclictest25-21ksoftirqd/111:10:001
134491530,4ptp4l0-21swapper/308:13:403
134491530,4ptp4l0-21swapper/111:28:021
134491530,3ptp4l0-21swapper/107:10:161
134491530,3ptp4l0-21swapper/008:25:020
20359995238,4cyclictest25-21ksoftirqd/109:15:181
20359995226,7cyclictest25-21ksoftirqd/109:53:341
20359995225,3cyclictest25-21ksoftirqd/111:19:391
20359995224,6cyclictest25-21ksoftirqd/107:20:161
20359995221,3cyclictest25-21ksoftirqd/110:25:141
20359995220,3cyclictest25-21ksoftirqd/108:45:171
20359995219,4cyclictest25-21ksoftirqd/107:45:171
20359995216,8cyclictest25-21ksoftirqd/110:10:241
134491520,4ptp4l0-21swapper/307:45:563
134491520,4ptp4l0-21swapper/009:26:040
134491520,3ptp4l0-21swapper/311:46:573
134491520,3ptp4l0-21swapper/311:46:573
134491520,3ptp4l0-21swapper/010:40:240
20359995139,3cyclictest25-21ksoftirqd/107:59:591
20359995122,4cyclictest25-21ksoftirqd/108:35:271
20359995122,3cyclictest25-21ksoftirqd/110:58:121
20359995120,8cyclictest25-21ksoftirqd/108:25:181
20359995119,4cyclictest25-21ksoftirqd/109:10:271
20359995118,6cyclictest25-21ksoftirqd/110:35:171
20359995117,8cyclictest25-21ksoftirqd/109:40:131
134491510,4ptp4l0-21swapper/008:38:180
134491510,3ptp4l0-21swapper/109:20:461
134491510,3ptp4l0-21swapper/107:32:391
134491510,3ptp4l0-21swapper/009:50:270
20359995021,4cyclictest25-21ksoftirqd/111:10:271
20359995018,5cyclictest25-21ksoftirqd/111:35:001
20359995013,8cyclictest25-21ksoftirqd/111:50:201
20359995013,7cyclictest25-21ksoftirqd/112:15:001
134491500,4ptp4l0-21swapper/310:18:083
134491500,4ptp4l0-21swapper/308:40:483
134491500,4ptp4l0-21swapper/210:29:052
134491500,4ptp4l0-21swapper/208:19:452
134491500,4ptp4l0-21swapper/110:54:551
134491500,4ptp4l0-21swapper/109:58:221
134491500,4ptp4l0-21swapper/011:33:380
134491500,4ptp4l0-21swapper/008:57:470
134491500,3ptp4l0-21swapper/108:30:181
20359994920,3cyclictest25-21ksoftirqd/108:57:381
20359994919,4cyclictest25-21ksoftirqd/109:05:181
20359994918,3cyclictest25-21ksoftirqd/107:50:461
20359994916,3cyclictest25-21ksoftirqd/108:50:251
134491490,4ptp4l0-21swapper/309:42:463
134491490,4ptp4l0-21swapper/309:06:343
134491490,4ptp4l0-21swapper/308:32:553
134491490,4ptp4l0-21swapper/307:14:113
134491490,4ptp4l0-21swapper/111:03:161
134491490,4ptp4l0-21swapper/009:45:530
134491490,4ptp4l0-21swapper/009:35:210
134491490,4ptp4l0-21swapper/008:42:060
134491490,4ptp4l0-21swapper/008:03:110
134491490,3ptp4l0-21swapper/310:45:263
20359994824,6cyclictest25-21ksoftirqd/110:22:181
20359994813,7cyclictest25-21ksoftirqd/107:25:291
20358994840,5cyclictest9-21ksoftirqd/007:25:030
134491480,5ptp4l0-21swapper/007:05:280
134491480,4ptp4l0-21swapper/312:30:463
134491480,4ptp4l0-21swapper/308:47:273
134491480,4ptp4l0-21swapper/212:25:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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