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2026-02-03 - 13:51
[ 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 Tue Feb 03, 2026 00:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3093621750,5sleep22153199cyclictest00:05:232
3101221350,4sleep02152999cyclictest21:47:340
2153299627,15cyclictest603-21latency_hist20:45:003
159422620,5sleep20-21swapper/222:25:182
134491620,4ptp4l0-21swapper/220:10:262
134491600,4ptp4l0-21swapper/221:05:252
134491600,17ptp4l4849-21ls20:50:272
182632570,4sleep00-21swapper/022:30:170
134491570,4ptp4l0-21swapper/121:15:211
134491570,3ptp4l15763-21hwlatdetect22:25:160
2153299565,10cyclictest0-21swapper/320:10:283
134491560,4ptp4l0-21swapper/022:00:540
134491560,3ptp4l0-21swapper/219:50:212
134491560,3ptp4l0-21swapper/123:10:241
12952560,4sleep20-21swapper/219:35:182
2153299553,9cyclictest0-21swapper/300:15:263
134491550,3ptp4l0-21swapper/220:03:072
2153299548,11cyclictest17622-21taskset22:30:123
2153299547,11cyclictest0-21swapper/300:08:253
134491540,4ptp4l0-21swapper/022:08:010
134491540,14ptp4l0-21swapper/221:40:032
134491530,4ptp4l0-21swapper/020:45:010
2153299526,16cyclictest498-21latency_hist19:35:003
134491520,5ptp4l0-21swapper/019:05:580
134491520,4ptp4l0-21swapper/120:13:591
2153299517,7cyclictest16649-21ntp_states23:35:223
134491510,4ptp4l0-21swapper/223:53:472
134491510,3ptp4l0-21swapper/222:00:212
134491510,3ptp4l0-21swapper/221:01:312
120332510,2sleep12153099cyclictest00:35:191
134491500,9ptp4l19191-21apt-get19:05:121
134491500,4ptp4l0-21swapper/223:57:252
134491500,4ptp4l0-21swapper/220:22:552
134491500,3ptp4l0-21swapper/200:25:382
134491490,4ptp4l0-21swapper/222:22:182
134491490,4ptp4l0-21swapper/200:13:542
134491490,15ptp4l22238-21/usr/sbin/munin22:40:223
2153299486,5cyclictest0-21swapper/322:19:323
2153299486,5cyclictest0-21swapper/322:19:323
2153299486,10cyclictest0-21swapper/300:28:223
134491480,7ptp4l0-21swapper/020:20:290
134491480,3ptp4l0-21swapper/022:56:510
134491480,3ptp4l0-21swapper/019:10:540
2153299476,7cyclictest9169-21ssh19:50:263
2153299476,5cyclictest0-21swapper/321:27:133
2153299476,5cyclictest0-21swapper/321:09:363
2153299476,10cyclictest0-21swapper/322:23:493
2153299476,10cyclictest0-21swapper/300:04:443
2153299475,5cyclictest0-21swapper/321:00:583
2153299475,10cyclictest0-21swapper/323:24:163
134491470,3ptp4l23473-21chrt19:13:152
134491470,3ptp4l0-21swapper/220:16:332
2153299467,7cyclictest9827-21ssh22:10:263
2153299466,10cyclictest0-21swapper/323:06:463
2153299466,10cyclictest0-21swapper/320:22:343
134491460,5ptp4l0-21swapper/222:05:232
134491460,4ptp4l0-21swapper/019:50:250
134491460,3ptp4l0-21swapper/221:35:452
134491460,11ptp4l9-21ksoftirqd/023:21:540
2153299457,14cyclictest24978-21ntp_states19:15:233
2153299456,9cyclictest0-21swapper/323:52:503
2153299456,10cyclictest0-21swapper/320:45:333
2153299453,8cyclictest18794-21ls23:40:193
2152999450,2cyclictest121rcu_preempt20:00:280
134491450,9ptp4l9-21ksoftirqd/023:50:060
134491450,4ptp4l0-21swapper/321:44:383
134491450,3ptp4l0-21swapper/222:42:492
134491450,3ptp4l0-21swapper/220:26:552
134491450,3ptp4l0-21swapper/219:25:052
2153299446,5cyclictest0-21swapper/323:49:563
2153299446,5cyclictest0-21swapper/323:49:563
2153299446,15cyclictest6083-21/usr/sbin/munin22:05:173
2153099443,2cyclictest121rcu_preempt22:40:281
134491440,4ptp4l0-21swapper/223:35:432
134491440,4ptp4l0-21swapper/200:37:562
134491440,10ptp4l9-21ksoftirqd/021:34:340
134491440,10ptp4l0-21swapper/020:05:140
21529994338,3cyclictest9-21ksoftirqd/021:00:010
21529994337,3cyclictest9-21ksoftirqd/022:55:010
134491430,9ptp4l0-21swapper/021:21:470
134491430,9ptp4l0-21swapper/019:29:460
134491430,5ptp4l31125-21diskstats20:40:172
134491430,5ptp4l0-21swapper/200:20:262
134491430,4ptp4l19267-21apt-get20:15:140
134491430,4ptp4l0-21swapper/300:10:133
134491430,4ptp4l0-21swapper/219:08:242
134491430,4ptp4l0-21swapper/023:03:110
134491430,3ptp4l0-21swapper/022:11:550
2153299426,6cyclictest0-21swapper/321:14:103
134491420,9ptp4l0-21swapper/020:13:020
134491420,9ptp4l0-21swapper/019:33:080
134491420,9ptp4l0-21swapper/019:17:110
134491420,8ptp4l0-21swapper/023:29:180
134491420,5ptp4l1560-21df21:55:150
134491420,5ptp4l0-21swapper/321:30:153
134491420,4ptp4l8579-21irqstats19:50:191
134491420,4ptp4l23863-21apt-get19:15:132
134491420,4ptp4l20764-21irqstats22:35:191
134491420,4ptp4l14874-21df20:05:151
134491420,4ptp4l0-21swapper/222:58:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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