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2026-02-16 - 13:18
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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 Mon Feb 16, 2026 00:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1802521420,6sleep32803099cyclictest21:05:263
134491820,2ptp4l19746-21kworker/2:223:30:462
134491720,2ptp4l121rcu_preempt23:15:202
2802899719,60cyclictest12006-21kworker/1:221:58:091
2802899717,62cyclictest10481-21kworker/1:100:00:481
28028996717,48cyclictest12006-21kworker/1:220:15:291
28028996714,16cyclictest13875-21taskset20:56:011
2802799677,17cyclictest26627-21perl22:35:170
28028996613,48cyclictest174322sleep123:25:121
28028996512,12cyclictest13709-21taskset19:46:361
28028996414,15cyclictest18472-21chrt19:58:441
28028996412,10cyclictest7033-21chrt21:51:491
28028996411,11cyclictest21126-21taskset22:24:541
28028996410,52cyclictest30468-21kworker/1:222:50:291
28028996313,10cyclictest32626-21chrt22:46:411
134491630,29ptp4l33-21ksoftirqd/221:35:002
28028996213,15cyclictest2458-21chrt20:33:141
28028996212,12cyclictest12484-21chrt23:14:091
28028996112,13cyclictest23811-21taskset23:36:311
2802799603,17cyclictest19000-21sed22:20:000
134491600,4ptp4l0-21swapper/223:00:042
28028995915,11cyclictest25687-21seq21:24:201
28028995914,17cyclictest15963-21chrt19:51:021
28028995914,12cyclictest4341-21taskset19:25:371
28028995914,11cyclictest8012-21chrt00:13:431
28028995912,12cyclictest32328-21seq20:25:591
28028995912,12cyclictest23293-21chrt22:25:311
28028995912,11cyclictest32443-21chrt21:37:211
28028995912,11cyclictest1317-21runrttasks00:36:201
134491590,5ptp4l22719-21ls20:05:273
134491590,4ptp4l0-21swapper/323:46:293
134491590,3ptp4l0-21swapper/322:15:183
134491590,23ptp4l0-21swapper/223:57:472
28028995815,10cyclictest4901-21seq21:49:441
28028995815,10cyclictest11316-21taskset19:40:331
28028995815,10cyclictest11316-21taskset19:40:331
28028995814,11cyclictest22858-21seq20:05:451
28028995814,10cyclictest30250-21chrt20:23:521
28028995813,16cyclictest9231-21chrt20:45:381
28028995813,11cyclictest30853-21chrt23:52:561
28028995813,10cyclictest4779-21chrt20:38:281
28028995812,12cyclictest9022-21seq19:35:491
2802799588,11cyclictest1317-21runrttasks22:31:200
2802799582,11cyclictest1-21systemd21:10:260
2802799580,19cyclictest0-21swapper/000:00:170
134491580,4ptp4l0-21swapper/323:50:133
134491580,4ptp4l0-21swapper/321:20:033
134491580,3ptp4l0-21swapper/223:53:592
28028995715,17cyclictest13888-21seq22:06:001
28028995714,12cyclictest14712-21taskset00:25:461
28028995713,11cyclictest23381-21chrt21:19:361
28028995713,11cyclictest11868-21taskset22:04:331
28028995711,11cyclictest14460-21apt-get22:10:111
134491570,3ptp4l0-21swapper/223:10:162
134491570,3ptp4l0-21swapper/222:35:292
28028995615,11cyclictest28110-21taskset22:38:051
28028995615,10cyclictest20540-21chrt20:00:331
28028995614,16cyclictest11838-21chrt20:54:291
28028995614,11cyclictest7193-21chrt20:43:581
28028995614,11cyclictest18757-21chrt22:19:171
2802799569,16cyclictest2263-21taskset20:31:190
2802799568,10cyclictest1317-21runrttasks19:44:270
2802799568,10cyclictest1317-21runrttasks19:44:270
2802799567,6cyclictest0-21swapper/022:10:190
2802799567,11cyclictest1317-21runrttasks20:21:220
134491560,4ptp4l0-21swapper/322:50:243
28028995514,10cyclictest20844-21taskset21:11:351
28028995513,11cyclictest28560-21chrt23:48:031
2802799558,11cyclictest1317-21runrttasks23:01:120
2802799558,11cyclictest1317-21runrttasks21:03:140
2802799557,11cyclictest1317-21runrttasks23:36:270
134491550,4ptp4l0-21swapper/322:31:123
134491550,3ptp4l0-21swapper/223:22:172
134491550,3ptp4l0-21swapper/119:31:091
28028995415,16cyclictest21708-21seq23:34:061
28028995414,11cyclictest16965-21chrt23:22:161
28028995414,10cyclictest18477-21seq21:05:511
28028995410,11cyclictest30296-21taskset21:34:201
2802799547,11cyclictest1317-21runrttasks23:54:200
2802799547,11cyclictest1317-21runrttasks23:48:410
2802799547,11cyclictest1317-21runrttasks20:46:210
2802799547,10cyclictest1317-21runrttasks23:09:030
134491540,4ptp4l0-21swapper/220:55:572
28028995313,15cyclictest23881-21taskset22:30:081
28028995312,10cyclictest32101-21chrt19:16:041
28028995311,10cyclictest0-21swapper/121:26:571
2802799538,11cyclictest1317-21runrttasks23:17:570
2802799538,11cyclictest1317-21runrttasks22:21:530
2802799538,11cyclictest1317-21runrttasks21:51:320
2802799538,11cyclictest1317-21runrttasks20:12:230
2802799537,11cyclictest1317-21runrttasks22:49:490
2802799536,15cyclictest13269-21python19:45:250
134491530,4ptp4l0-21swapper/223:36:192
28028995214,22cyclictest3528-21chrt00:05:081
28028995212,11cyclictest2468-21taskset21:43:031
28028995210,11cyclictest25455-21seq20:14:281
2802799527,10cyclictest1317-21runrttasks23:33:380
2802799524,9cyclictest0-21swapper/020:42:490
134491520,4ptp4l0-21swapper/200:04:162
134491520,3ptp4l10675-21/usr/sbin/munin00:20:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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