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2026-01-22 - 10:43
[ 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 Jan 22, 2026 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
249502214169,33sleep30-21swapper/319:07:343
248542205172,23sleep10-21swapper/119:06:191
248872200168,21sleep20-21swapper/219:06:452
248532193162,21sleep00-21swapper/019:06:190
138491670,1ptp4l391rcuc/300:30:123
25436996225,10cyclictest41-21ksoftirqd/321:45:173
25436996127,7cyclictest41-21ksoftirqd/319:45:243
25436996027,7cyclictest41-21ksoftirqd/323:30:233
25436996025,3cyclictest41-21ksoftirqd/321:30:253
25436996024,8cyclictest41-21ksoftirqd/300:35:233
25436995928,10cyclictest41-21ksoftirqd/322:50:003
25436995926,6cyclictest41-21ksoftirqd/322:55:223
25436995925,11cyclictest41-21ksoftirqd/323:40:133
25436995922,9cyclictest41-21ksoftirqd/319:35:143
25436995828,7cyclictest41-21ksoftirqd/322:25:253
25436995826,7cyclictest41-21ksoftirqd/321:35:233
25436995822,7cyclictest41-21ksoftirqd/320:15:123
25436995726,9cyclictest41-21ksoftirqd/319:25:223
25436995725,7cyclictest41-21ksoftirqd/320:30:233
25436995724,7cyclictest41-21ksoftirqd/323:20:263
25436995724,7cyclictest41-21ksoftirqd/321:00:283
25436995625,4cyclictest41-21ksoftirqd/319:50:123
25436995624,4cyclictest41-21ksoftirqd/322:50:153
25436995623,3cyclictest41-21ksoftirqd/323:50:193
303992550,5sleep330397-21cat20:25:003
25436995525,4cyclictest41-21ksoftirqd/320:05:113
25436995520,7cyclictest41-21ksoftirqd/323:05:133
25436995418,7cyclictest41-21ksoftirqd/322:05:173
25436995324,10cyclictest41-21ksoftirqd/321:10:113
2543699525,8cyclictest41-21ksoftirqd/323:25:153
2543699525,10cyclictest41-21ksoftirqd/323:45:163
25436995225,10cyclictest41-21ksoftirqd/320:45:213
25436995220,8cyclictest41-21ksoftirqd/322:40:163
25436995217,9cyclictest41-21ksoftirqd/319:55:243
2543699516,8cyclictest41-21ksoftirqd/322:15:263
2543699515,9cyclictest41-21ksoftirqd/320:35:263
2543699515,8cyclictest41-21ksoftirqd/322:30:123
2543699514,6cyclictest41-21ksoftirqd/321:50:223
2543699505,9cyclictest41-21ksoftirqd/321:40:193
2543699504,9cyclictest41-21ksoftirqd/320:10:143
25436995021,3cyclictest41-21ksoftirqd/322:00:203
1385915036,7phc2sys0-21swapper/319:10:003
2543699496,7cyclictest41-21ksoftirqd/300:25:113
2543699496,10cyclictest41-21ksoftirqd/319:30:133
2543699495,8cyclictest41-21ksoftirqd/320:25:163
2543699495,10cyclictest41-21ksoftirqd/320:00:243
2543699494,8cyclictest41-21ksoftirqd/321:05:133
25436994929,10cyclictest41-21ksoftirqd/319:40:163
2543699491,6cyclictest41-21ksoftirqd/320:55:203
2543699486,6cyclictest41-21ksoftirqd/323:55:143
2543699485,9cyclictest41-21ksoftirqd/323:00:223
286562470,2sleep10-21swapper/119:15:191
2543699476,9cyclictest41-21ksoftirqd/319:15:273
2543699475,7cyclictest41-21ksoftirqd/300:10:263
2543699473,9cyclictest41-21ksoftirqd/321:55:133
2543699472,7cyclictest41-21ksoftirqd/300:20:163
25436994721,6cyclictest41-21ksoftirqd/323:19:083
2543699464,5cyclictest41-21ksoftirqd/321:15:123
2543699463,6cyclictest41-21ksoftirqd/300:20:003
2543699463,4cyclictest41-21ksoftirqd/322:35:123
2543699463,4cyclictest41-21ksoftirqd/322:35:123
2543699462,5cyclictest41-21ksoftirqd/323:10:243
2543699461,6cyclictest41-21ksoftirqd/320:55:013
2543699460,7cyclictest41-21ksoftirqd/321:30:003
2543699460,5cyclictest0-21swapper/320:40:123
2543699460,5cyclictest0-21swapper/300:01:093
2543699453,6cyclictest41-21ksoftirqd/322:20:173
2543699453,5cyclictest41-21ksoftirqd/319:20:133
2543699445,17cyclictest41-21ksoftirqd/322:15:003
2543699443,6cyclictest41-21ksoftirqd/321:20:173
2543399447,10cyclictest9-21ksoftirqd/019:10:190
2543399444,4cyclictest9-21ksoftirqd/023:25:000
25433994429,4cyclictest9-21ksoftirqd/023:25:200
2543699432,6cyclictest41-21ksoftirqd/323:35:193
2543599430,2cyclictest0-21swapper/222:15:232
25433994328,4cyclictest9-21ksoftirqd/000:30:100
2543699416,2cyclictest41-21ksoftirqd/300:08:423
25433994137,2cyclictest9-21ksoftirqd/022:15:120
25433994116,7cyclictest9-21ksoftirqd/022:40:000
25433994116,7cyclictest9-21ksoftirqd/022:40:000
25433994115,6cyclictest9-21ksoftirqd/019:40:230
25433994035,3cyclictest9-21ksoftirqd/000:25:000
25433994035,2cyclictest9-21ksoftirqd/023:00:000
25434993910,27cyclictest0-21swapper/123:20:531
2543399399,3cyclictest9-21ksoftirqd/023:55:160
2543399397,3cyclictest9-21ksoftirqd/020:15:170
2543399394,3cyclictest9-21ksoftirqd/023:40:210
2543399394,3cyclictest9-21ksoftirqd/000:15:180
25433993934,3cyclictest9-21ksoftirqd/022:35:010
25433993933,3cyclictest9-21ksoftirqd/021:00:200
25435993831,5cyclictest33-21ksoftirqd/222:57:222
25434993833,3cyclictest25-21ksoftirqd/100:25:001
25434993832,4cyclictest25-21ksoftirqd/100:39:211
2543399387,9cyclictest9-21ksoftirqd/019:25:130
2543399387,6cyclictest9-21ksoftirqd/021:05:220
2543399386,6cyclictest9-21ksoftirqd/023:10:270
2543399386,6cyclictest9-21ksoftirqd/022:45:250
2543399386,6cyclictest9-21ksoftirqd/021:40:240
2543399386,2cyclictest9-21ksoftirqd/023:15:130
2543399385,7cyclictest9-21ksoftirqd/023:05:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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