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2026-02-28 - 12:23
[ 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 Sat Feb 28, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
258122680,4sleep30-21swapper/322:45:213
134491650,23ptp4l20540-21/usr/sbin/munin23:45:102
298442640,5sleep125-21ksoftirqd/122:55:141
134491630,4ptp4l0-21swapper/220:15:272
134491600,4ptp4l0-21swapper/321:37:113
134491590,4ptp4l0-21swapper/222:57:452
134491590,4ptp4l0-21swapper/222:19:282
134491590,4ptp4l0-21swapper/121:40:131
2147699587,5cyclictest25-21ksoftirqd/100:20:011
134491580,3ptp4l0-21swapper/221:27:472
134491570,3ptp4l0-21swapper/219:08:002
134491560,3ptp4l0-21swapper/221:55:112
134491560,3ptp4l0-21swapper/219:35:262
134491550,5ptp4l0-21swapper/320:20:133
134491550,4ptp4l0-21swapper/221:19:292
134491540,4ptp4l0-21swapper/319:43:203
134491540,4ptp4l0-21swapper/300:17:303
134491540,4ptp4l0-21swapper/200:08:352
134491540,4ptp4l0-21swapper/021:40:220
134491540,3ptp4l0-21swapper/322:54:273
134491530,4ptp4l0-21swapper/221:33:492
134491530,4ptp4l0-21swapper/000:35:180
134491520,9ptp4l19138-21apt-get19:05:130
134491520,5ptp4l0-21swapper/120:11:131
134491520,4ptp4l0-21swapper/319:51:033
134491520,4ptp4l0-21swapper/220:13:052
134491520,4ptp4l0-21swapper/020:10:290
134491520,10ptp4l20812-21users19:05:281
21478995125,17cyclictest41-21ksoftirqd/323:45:273
134491510,4ptp4l0-21swapper/323:55:213
134491510,4ptp4l0-21swapper/323:07:083
134491510,4ptp4l0-21swapper/200:15:262
134491510,3ptp4l0-21swapper/220:20:252
134491510,13ptp4l27668-21ntp_states20:30:232
2147599500,4cyclictest9-21ksoftirqd/023:00:180
134491500,5ptp4l0-21swapper/223:59:292
134491500,4ptp4l0-21swapper/322:17:213
134491500,4ptp4l0-21swapper/321:26:363
134491500,4ptp4l0-21swapper/200:24:422
134491500,4ptp4l0-21swapper/121:29:001
134491490,4ptp4l27532-21sed19:20:263
134491490,4ptp4l17107-21apt-get20:10:133
134491490,4ptp4l0-21swapper/322:09:233
134491490,4ptp4l0-21swapper/321:58:153
134491490,4ptp4l0-21swapper/321:12:183
134491490,4ptp4l0-21swapper/223:20:322
134491490,4ptp4l0-21swapper/221:37:492
134491490,4ptp4l0-21swapper/220:54:592
134491490,3ptp4l0-21swapper/200:38:002
134491490,14ptp4l32224-21apache219:58:193
134491490,12ptp4l0-21swapper/322:26:003
21476994838,2cyclictest134491ptp4l23:40:131
134491480,4ptp4l0-21swapper/323:38:593
134491480,4ptp4l0-21swapper/322:32:133
134491480,4ptp4l0-21swapper/321:07:303
134491480,4ptp4l0-21swapper/300:34:043
134491480,4ptp4l0-21swapper/300:34:043
134491480,4ptp4l0-21swapper/223:37:452
134491480,4ptp4l0-21swapper/222:28:352
134491480,4ptp4l0-21swapper/219:56:482
134491480,4ptp4l0-21swapper/200:31:032
134491480,4ptp4l0-21swapper/200:31:032
134491480,4ptp4l0-21swapper/021:57:420
134491480,3ptp4l0-21swapper/222:43:152
134491480,3ptp4l0-21swapper/221:09:572
134491470,4ptp4l401ktimersoftd/323:25:213
134491470,3ptp4l0-21swapper/221:02:292
134491470,1ptp4l391rcuc/322:20:103
134491470,13ptp4l0-21swapper/319:39:263
134491460,9ptp4l0-21swapper/021:31:590
134491460,4ptp4l8334-21apt-get21:00:120
134491460,4ptp4l0-21swapper/222:14:562
134491460,4ptp4l0-21swapper/022:36:590
134491460,4ptp4l0-21swapper/021:52:000
134491460,3ptp4l0-21swapper/021:17:230
134491460,10ptp4l0-21swapper/320:07:273
21477994530,12cyclictest33-21ksoftirqd/223:54:592
21476994539,3cyclictest25-21ksoftirqd/100:10:011
21476994530,7cyclictest25-21ksoftirqd/120:06:421
134491450,9ptp4l0-21swapper/020:05:530
134491450,8ptp4l0-21swapper/222:20:092
134491450,4ptp4l0-21swapper/321:50:073
134491450,4ptp4l0-21swapper/320:50:013
134491450,4ptp4l0-21swapper/320:29:073
134491450,3ptp4l0-21swapper/322:00:193
134491450,3ptp4l0-21swapper/222:53:342
134491450,3ptp4l0-21swapper/221:50:282
134491450,2ptp4l121rcu_preempt00:38:093
134491450,10ptp4l0-21swapper/020:16:440
2147699442,4cyclictest121rcu_preempt22:46:571
134491440,9ptp4l0-21swapper/319:50:013
134491440,9ptp4l0-21swapper/020:31:420
134491440,9ptp4l0-21swapper/000:17:010
134491440,6ptp4l9-21ksoftirqd/021:27:350
134491440,4ptp4l2318-21gnome-shell19:41:582
134491440,4ptp4l0-21swapper/320:42:253
134491440,4ptp4l0-21swapper/320:42:253
134491440,4ptp4l0-21swapper/220:44:572
134491440,4ptp4l0-21swapper/220:44:572
134491440,4ptp4l0-21swapper/220:08:442
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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