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2026-02-20 - 14:29
[ 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 20, 2026 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2797399822,3cyclictest0-21swapper/219:40:282
2797399811,3cyclictest0-21swapper/222:05:292
2797499672,45cyclictest0-21swapper/321:45:213
2797199651,2cyclictest134491ptp4l20:50:000
2797499632,35cyclictest0-21swapper/300:22:433
27974996228,8cyclictest41-21ksoftirqd/322:35:003
2797499622,32cyclictest0-21swapper/321:05:213
134491620,3ptp4l20432-21meminfo21:10:201
134491620,24ptp4l33-21ksoftirqd/219:07:592
27974996129,6cyclictest41-21ksoftirqd/320:15:153
27974996128,6cyclictest41-21ksoftirqd/320:20:243
27974996127,8cyclictest41-21ksoftirqd/322:35:163
2797499612,34cyclictest0-21swapper/323:15:213
27974996026,6cyclictest41-21ksoftirqd/319:20:273
27974996025,4cyclictest41-21ksoftirqd/320:45:253
2797499602,39cyclictest0-21swapper/322:45:113
2797499602,33cyclictest0-21swapper/321:02:163
27974995927,7cyclictest41-21ksoftirqd/323:01:253
27974995927,7cyclictest41-21ksoftirqd/300:35:183
27974995926,8cyclictest41-21ksoftirqd/320:30:293
2797499592,31cyclictest0-21swapper/320:41:153
27974995922,8cyclictest41-21ksoftirqd/322:55:183
134491590,4ptp4l0-21swapper/023:57:260
134491590,4ptp4l0-21swapper/019:25:270
2797499582,29cyclictest0-21swapper/300:30:203
134491580,3ptp4l0-21swapper/100:02:411
134491580,3ptp4l0-21swapper/019:30:270
27974995725,7cyclictest41-21ksoftirqd/320:50:193
27974995725,3cyclictest41-21ksoftirqd/322:20:003
2797499572,28cyclictest0-21swapper/323:35:253
2797499572,28cyclictest0-21swapper/322:25:143
134491570,4ptp4l0-21swapper/119:55:231
134491570,3ptp4l0-21swapper/223:15:312
2797499562,36cyclictest0-21swapper/322:02:163
134491560,4ptp4l0-21swapper/220:35:162
134491560,4ptp4l0-21swapper/220:35:162
134491560,4ptp4l0-21swapper/020:02:110
134491560,3ptp4l0-21swapper/219:16:222
134491560,3ptp4l0-21swapper/100:15:071
134491560,3ptp4l0-21swapper/020:58:160
2797499552,6cyclictest41-21ksoftirqd/319:45:273
134491550,3ptp4l0-21swapper/121:20:061
2797499543,7cyclictest41-21ksoftirqd/323:35:013
2797499543,6cyclictest41-21ksoftirqd/321:30:153
27974995427,8cyclictest41-21ksoftirqd/322:40:183
2797499542,5cyclictest41-21ksoftirqd/300:25:283
2797499542,44cyclictest0-21swapper/322:05:143
134491540,6ptp4l671-21apt-get22:50:032
134491540,19ptp4l0-21swapper/319:30:013
2797499536,9cyclictest19874-21tune2fs21:10:163
2797499534,8cyclictest41-21ksoftirqd/319:15:003
27974995324,8cyclictest41-21ksoftirqd/319:55:263
134491530,9ptp4l25633-21apt-get19:05:113
134491530,4ptp4l0-21swapper/123:33:511
134491530,3ptp4l0-21swapper/123:16:151
134491530,3ptp4l0-21swapper/123:11:491
2797499526,6cyclictest41-21ksoftirqd/321:25:153
2797499525,9cyclictest41-21ksoftirqd/300:15:293
2797499522,7cyclictest41-21ksoftirqd/320:40:003
2797499522,7cyclictest41-21ksoftirqd/320:40:003
2797499522,38cyclictest0-21swapper/319:25:263
27974995223,7cyclictest41-21ksoftirqd/320:05:003
134491520,4ptp4l0-21swapper/121:40:311
134491520,3ptp4l0-21swapper/223:11:212
134491520,10ptp4l0-21swapper/220:42:212
2797499516,7cyclictest41-21ksoftirqd/323:50:263
2797499515,8cyclictest41-21ksoftirqd/322:20:243
2797499514,6cyclictest41-21ksoftirqd/323:55:173
2797499513,3cyclictest41-21ksoftirqd/321:35:153
2797499511,5cyclictest401ktimersoftd/323:05:273
2797499510,6cyclictest41-21ksoftirqd/300:00:163
2797499510,5cyclictest41-21ksoftirqd/320:30:003
134491510,4ptp4l0-21swapper/122:12:121
134491510,3ptp4l0-21swapper/121:50:261
134491510,3ptp4l0-21swapper/100:37:121
2797499505,7cyclictest41-21ksoftirqd/321:15:263
2797499504,8cyclictest41-21ksoftirqd/323:40:183
2797499504,8cyclictest3279-21apt-get22:55:003
2797499503,9cyclictest41-21ksoftirqd/323:45:213
2797499503,6cyclictest41-21ksoftirqd/300:05:173
2797499501,7cyclictest41-21ksoftirqd/321:40:183
2797499500,10cyclictest41-21ksoftirqd/319:53:443
134491500,4ptp4l0-21swapper/100:21:521
134491500,2ptp4l0-21swapper/221:25:172
2797499496,7cyclictest41-21ksoftirqd/319:15:183
2797499495,8cyclictest41-21ksoftirqd/319:40:263
2797499494,7cyclictest41-21ksoftirqd/320:10:193
2797499494,7cyclictest41-21ksoftirqd/319:35:193
2797499493,6cyclictest0-21swapper/321:59:163
2797499492,10cyclictest0-21swapper/321:20:223
134491490,4ptp4l0-21swapper/121:17:581
2797499480,6cyclictest41-21ksoftirqd/321:52:263
134491480,3ptp4l0-21swapper/122:31:431
134491480,3ptp4l0-21swapper/120:47:541
27974994732,8cyclictest41-21ksoftirqd/322:15:003
2797499472,7cyclictest41-21ksoftirqd/320:55:213
2797499471,7cyclictest41-21ksoftirqd/323:10:153
134491470,4ptp4l0-21swapper/121:07:481
134491470,4ptp4l0-21swapper/120:27:141
134491470,12ptp4l33-21ksoftirqd/222:17:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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