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2026-03-08 - 09:31
[ 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 Sun Mar 08, 2026 00:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
881121630,6sleep32522099cyclictest20:50:283
25220996412,9cyclictest23432-21latency_hist21:25:013
134491610,4ptp4l29483-21chrt20:26:300
2522099606,22cyclictest766-21gdbus22:50:243
134491590,4ptp4l0-21swapper/221:05:242
134491580,4ptp4l0-21swapper/200:20:512
134491570,4ptp4l0-21swapper/300:10:313
134491570,3ptp4l0-21swapper/200:27:292
134491570,3ptp4l0-21swapper/119:47:321
2522099554,11cyclictest26067-21latency_hist23:50:013
134491550,4ptp4l0-21swapper/121:32:131
134491550,3ptp4l0-21swapper/123:30:081
2522099543,15cyclictest0-21swapper/300:25:243
134491540,4ptp4l0-21swapper/000:31:050
2522099536,5cyclictest0-21swapper/321:15:253
134491530,4ptp4l0-21swapper/123:23:331
134491530,4ptp4l0-21swapper/022:21:040
134491530,4ptp4l0-21swapper/021:36:020
134491530,4ptp4l0-21swapper/000:26:060
100632530,3sleep010061-21df_inode23:15:140
134491520,4ptp4l0-21swapper/222:24:462
134491520,4ptp4l0-21swapper/200:17:122
134491520,3ptp4l0-21swapper/200:13:302
2522099514,14cyclictest8633-21systemctl22:00:273
2522099513,11cyclictest30883-21cut00:00:013
2522099510,11cyclictest6720-21timerwakeupswit23:05:273
134491510,5ptp4l0-21swapper/319:08:383
134491510,5ptp4l0-21swapper/219:56:402
134491510,5ptp4l0-21swapper/021:30:590
134491510,4ptp4l0-21swapper/223:21:322
134491510,4ptp4l0-21swapper/222:42:072
134491510,4ptp4l0-21swapper/220:52:312
134491510,4ptp4l0-21swapper/020:47:130
134491510,3ptp4l0-21swapper/222:50:102
134491510,3ptp4l0-21swapper/222:47:282
134491510,3ptp4l0-21swapper/222:37:082
134491510,3ptp4l0-21swapper/219:25:152
134491500,4ptp4l0-21swapper/220:43:352
134491500,4ptp4l0-21swapper/120:09:291
134491500,4ptp4l0-21swapper/119:33:031
134491500,4ptp4l0-21swapper/021:46:070
134491500,4ptp4l0-21swapper/021:00:110
134491500,3ptp4l7274-21latency_hist22:00:002
134491500,3ptp4l0-21swapper/222:09:362
134491500,3ptp4l0-21swapper/219:31:392
134491500,3ptp4l0-21swapper/121:38:071
134491500,3ptp4l0-21swapper/022:30:300
134491500,3ptp4l0-21swapper/022:26:460
2522099495,6cyclictest0-21swapper/300:37:323
134491490,5ptp4l0-21swapper/223:11:172
134491490,4ptp4l0-21swapper/223:35:422
134491490,4ptp4l0-21swapper/223:08:332
134491490,4ptp4l0-21swapper/221:24:482
134491490,4ptp4l0-21swapper/200:32:272
134491490,4ptp4l0-21swapper/119:59:211
134491490,3ptp4l0-21swapper/222:59:482
134491490,3ptp4l0-21swapper/020:38:280
2522099485,5cyclictest0-21swapper/320:00:273
2522099485,10cyclictest0-21swapper/323:44:573
2522099485,10cyclictest0-21swapper/321:37:123
134491480,8ptp4l18507-21apt-get20:05:132
134491480,4ptp4l0-21swapper/223:41:522
134491480,4ptp4l0-21swapper/220:49:462
134491480,4ptp4l0-21swapper/200:03:422
134491480,4ptp4l0-21swapper/122:45:501
134491480,4ptp4l0-21swapper/023:43:030
134491480,3ptp4l0-21swapper/222:32:042
134491480,3ptp4l0-21swapper/220:55:072
2522099475,11cyclictest0-21swapper/320:08:183
2522099475,10cyclictest0-21swapper/300:31:193
2522099474,10cyclictest0-21swapper/322:40:103
134491470,6ptp4l25-21ksoftirqd/119:20:021
134491470,5ptp4l0-21swapper/219:07:392
134491470,4ptp4l0-21swapper/123:45:301
134491470,4ptp4l0-21swapper/021:58:370
134491470,3ptp4l0-21swapper/100:37:381
134491470,3ptp4l0-21swapper/100:19:441
134491470,3ptp4l0-21swapper/020:24:530
134491470,12ptp4l1301-21snmpd19:05:191
105172470,4sleep10-21swapper/122:05:191
71512460,4sleep30-21swapper/322:00:003
2522099464,4cyclictest0-21swapper/320:45:153
134491460,4ptp4l0-21swapper/222:01:112
134491460,4ptp4l0-21swapper/121:04:191
134491460,4ptp4l0-21swapper/019:14:070
134491460,3ptp4l0-21swapper/223:17:172
134491460,3ptp4l0-21swapper/000:23:340
2522099454,9cyclictest0-21swapper/319:40:103
2522099453,17cyclictest15516-21run-parts22:15:243
2522099450,17cyclictest0-21swapper/319:30:153
134491450,3ptp4l121rcu_preempt22:49:420
134491450,3ptp4l0-21swapper/221:25:512
134491450,3ptp4l0-21swapper/219:43:512
134491450,10ptp4l0-21swapper/219:36:092
2522099447,5cyclictest0-21swapper/322:11:493
2522099444,11cyclictest0-21swapper/321:34:223
2522099444,10cyclictest0-21swapper/319:21:333
134491440,8ptp4l0-21swapper/221:02:342
134491440,4ptp4l2318-21gnome-shell19:13:583
134491440,4ptp4l0-21swapper/219:20:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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