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2026-02-23 - 00:37
[ 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 Feb 22, 2026 12:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2849299872,82cyclictest0-21swapper/210:50:282
28492998312,67cyclictest5830-21cpuspeed_turbos08:40:132
2849299791,76cyclictest0-21swapper/208:15:292
44932780,5sleep20-21swapper/209:45:182
2849399720,31cyclictest9826-21taskset08:47:493
2849399720,31cyclictest29552-21taskset11:46:003
2849399710,31cyclictest21352-21taskset08:04:493
2849299712,67cyclictest0-21swapper/212:15:282
2849299712,67cyclictest0-21swapper/212:15:282
2849399680,29cyclictest17996-21taskset11:24:033
2849399671,29cyclictest31598-21taskset10:43:513
2849399671,29cyclictest11137-21taskset12:17:143
2849399671,29cyclictest11137-21taskset12:17:143
2849399670,30cyclictest3339-21taskset09:42:453
2849399665,27cyclictest30257-21taskset07:11:043
2849399661,31cyclictest17395-21taskset10:12:133
2849399661,28cyclictest32001-21taskset11:52:553
2849399660,30cyclictest19350-21taskset09:08:153
2849399660,30cyclictest14818-21taskset08:59:213
2849299669,15cyclictest4228-21ntp_states07:25:252
2849399650,31cyclictest1729-21taskset11:55:403
2849399650,30cyclictest32520-21taskset07:15:333
2849399650,30cyclictest13484-21taskset12:22:313
2849399650,28cyclictest3852-21taskset10:53:463
28492996515,11cyclictest12725-21chrt10:04:392
2849399641,31cyclictest14288-21taskset07:48:523
2849399641,28cyclictest21497-21taskset09:11:153
2849399641,28cyclictest21497-21taskset09:11:153
2849399640,31cyclictest8690-21taskset11:03:453
2849399640,29cyclictest23410-21taskset08:06:453
2849399640,29cyclictest11095-21taskset11:09:593
28492996416,11cyclictest19837-21taskset10:16:142
28492996415,10cyclictest26450-21chrt09:22:422
2849399630,28cyclictest1436-21taskset10:48:083
2849399630,27cyclictest3297-21sed12:00:193
28492996319,10cyclictest15633-21taskset11:18:282
28492996313,11cyclictest29620-21chrt10:40:012
28492996310,18cyclictest1874-21ntp_states07:20:242
28492996216,11cyclictest31437-21which11:50:262
28492996215,11cyclictest26954-21chrt10:33:392
134491620,8ptp4l0-21swapper/307:09:103
134491620,8ptp4l0-21swapper/307:09:103
28492996111,47cyclictest23055-21timedrift08:05:272
2849399600,29cyclictest28201-21taskset08:16:283
28492996015,10cyclictest26080-21taskset08:13:472
28492996015,10cyclictest26080-21taskset08:13:472
28492996013,11cyclictest1916-21chrt11:58:002
134491600,4ptp4l0-21swapper/010:14:230
2849299591,56cyclictest0-21swapper/208:05:002
28492995914,11cyclictest7353-21chrt07:33:442
28492995912,12cyclictest6467-21chrt12:06:222
28492995912,11cyclictest24059-21chrt09:16:492
134491590,6ptp4l0-21swapper/107:05:221
134491590,6ptp4l0-21swapper/107:05:221
134491590,4ptp4l0-21swapper/307:30:193
28492995815,11cyclictest10271-21taskset09:58:052
134491580,4ptp4l0-21swapper/007:15:190
28492995715,16cyclictest15298-21chrt10:09:442
28492995715,10cyclictest8495-21taskset11:01:162
2849399561,26cyclictest15110-21ntp_states12:25:233
2849399560,29cyclictest20598-21seq11:29:333
28492995618,11cyclictest14176-21taskset07:47:242
28492995615,11cyclictest9888-21taskset08:48:362
28492995615,11cyclictest22757-21taskset11:32:452
28492995612,12cyclictest29770-21chrt11:48:492
28492995517,11cyclictest31089-21chrt09:33:102
28492995516,12cyclictest9748-21chrt07:39:492
134491550,3ptp4l0-21swapper/310:05:293
134491550,3ptp4l0-21swapper/010:32:370
2849399540,30cyclictest8933-21seq12:13:313
2849299549,8cyclictest18568-21unattended-upgr11:25:102
2849299549,13cyclictest31764-21ls07:15:202
28492995412,11cyclictest18006-21chrt11:24:102
2849399530,27cyclictest9596-21runrttasks07:37:593
2849399530,27cyclictest2814-21chrt07:24:303
134491530,4ptp4l33-21ksoftirqd/212:20:262
134491530,10ptp4l26573-21perl07:05:152
134491530,10ptp4l26573-21perl07:05:152
2849399520,27cyclictest24759-21taskset10:29:583
2849399520,27cyclictest24759-21taskset10:29:583
28492995215,11cyclictest22227-21runrttasks10:22:052
134491510,4ptp4l0-21swapper/108:29:541
134491510,4ptp4l0-21swapper/012:16:450
134491510,4ptp4l0-21swapper/012:16:450
2849399500,14cyclictest134491ptp4l11:15:173
28492995010,36cyclictest434-21latency10:45:182
2849399490,28cyclictest30495-21seq08:20:593
28492994917,11cyclictest13256-21taskset11:13:162
28492994917,11cyclictest13256-21taskset11:13:162
134491490,9ptp4l27102-21/usr/sbin/munin07:05:190
134491490,9ptp4l27102-21/usr/sbin/munin07:05:190
134491490,5ptp4l0-21swapper/007:49:330
2849399480,27cyclictest445-21runrttasks08:27:173
28492994814,31cyclictest7012-21grep12:10:122
134491480,3ptp4l0-21swapper/008:34:360
2849399470,29cyclictest24031-21seq09:16:283
2849399460,28cyclictest25042-21seq11:37:323
28491994615,30cyclictest0-21swapper/111:59:191
2849299451,42cyclictest0-21swapper/207:10:262
28491994515,29cyclictest19315-21kworker/1:108:18:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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