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2026-02-09 - 17:55
[ 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 09, 2026 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3169199758,20cyclictest0-21swapper/211:15:002
31691997315,10cyclictest21204-21chrt11:26:452
31691997310,60cyclictest23860-21latency08:00:192
31691997215,19cyclictest4947-21chrt10:51:112
31691997114,11cyclictest16982-21chrt12:28:522
31691997014,12cyclictest20821-21taskset09:07:452
31691996914,12cyclictest14187-21chrt12:20:572
31691996914,11cyclictest8276-21chrt07:26:202
31691996912,10cyclictest17462chrt08:24:092
3169199683,63cyclictest0-21swapper/211:55:292
31691996814,11cyclictest25528-21chrt09:19:042
31691996814,10cyclictest3389-21taskset07:15:412
31691996813,11cyclictest3562-21irqrtprio09:40:182
31691996813,11cyclictest23994-21/usr/sbin/munin11:35:152
31691996714,11cyclictest17855-21chrt08:57:272
31691996714,11cyclictest16775-21taskset11:19:152
3169199669,16cyclictest21694-21/usr/sbin/munin11:30:172
31691996610,11cyclictest26836-21memory09:20:232
31691996517,17cyclictest21546-21taskset12:35:412
31691996517,11cyclictest20094-21taskset07:51:382
31691996510,9cyclictest18379-21grep09:00:132
31691996510,11cyclictest23741-21cat10:25:012
3169199649,11cyclictest8781-21latency_hist08:40:012
3169199649,11cyclictest6345-21latency_hist07:25:002
3169199648,16cyclictest0-21swapper/212:30:192
31691996418,10cyclictest9704-21taskset12:12:482
31691996414,11cyclictest4146-21taskset08:29:412
134491640,5ptp4l0-21swapper/311:30:103
134491640,20ptp4l0-21swapper/310:45:203
134491640,20ptp4l0-21swapper/310:45:203
3169199638,17cyclictest0-21swapper/211:05:172
3169199634,57cyclictest0-21swapper/209:25:282
31691996319,9cyclictest5162-21chrt12:03:322
31691996314,11cyclictest1032-21runrttasks07:11:022
31691996313,11cyclictest62512sleep208:32:122
31691996311,16cyclictest26291-21/usr/sbin/munin10:30:292
31691996311,11cyclictest27100-21irqrtprio11:40:192
31691996218,10cyclictest25569-21chrt10:26:332
31691996212,9cyclictest16168-21df07:45:132
31691996212,11cyclictest110242sleep207:34:182
189612620,4sleep118963-21latency_hist10:15:001
3169199609,17cyclictest31567-21irqrtprio11:50:192
3169199608,11cyclictest31497-21cut09:30:192
3169199603,54cyclictest10488-21/usr/sbin/munin08:40:292
31691996017,10cyclictest26984-21taskset08:06:122
3169199600,17cyclictest0-21swapper/211:20:132
270672600,5sleep30-21swapper/309:20:263
3169199598,8cyclictest13291-21ntpq10:00:202
3169199598,11cyclictest22199-21missed_timers09:10:162
31691995818,10cyclictest20956-21chrt10:16:422
31691995818,10cyclictest20956-21chrt10:16:412
31691995811,11cyclictest10136-21df_abs09:55:132
31689995826,5cyclictest9-21ksoftirqd/009:35:140
31689995820,4cyclictest18562-21kworker/0:010:39:150
134491580,7ptp4l0-21swapper/309:00:183
31691995718,10cyclictest31647-21taskset08:16:592
31691995717,10cyclictest30387-21taskset10:36:362
31691995716,11cyclictest7499-21taskset12:09:022
31690995717,7cyclictest25-21ksoftirqd/111:08:121
134491570,5ptp4l20509-21grep07:55:000
134491570,4ptp4l0-21swapper/009:40:270
134491570,3ptp4l0-21swapper/109:30:181
134491570,3ptp4l0-21swapper/107:46:261
134491570,3ptp4l0-21swapper/012:20:200
134491570,3ptp4l0-21swapper/008:45:190
3169199567,9cyclictest5718-21df_abs10:55:132
31691995617,11cyclictest15379-21chrt08:50:532
31691995611,8cyclictest560-21apt-get09:35:112
31690995620,9cyclictest25-21ksoftirqd/110:40:001
3168999560,25cyclictest10797-21kworker/0:108:56:170
134491560,6ptp4l0-21swapper/311:25:163
134491560,3ptp4l0-21swapper/107:24:551
134491560,3ptp4l0-21swapper/009:55:250
134491560,3ptp4l0-21swapper/007:20:250
31691995518,16cyclictest16371-21taskset10:07:382
31691995517,10cyclictest15417-21taskset07:41:212
31691995516,10cyclictest9517-21taskset11:00:342
3169199550,15cyclictest0-21swapper/208:45:162
3169099557,6cyclictest25-21ksoftirqd/107:44:301
134491550,4ptp4l0-21swapper/312:30:533
134491550,4ptp4l0-21swapper/312:13:213
134491550,4ptp4l0-21swapper/311:08:433
134491550,4ptp4l0-21swapper/310:02:483
134491550,4ptp4l0-21swapper/309:41:443
134491550,4ptp4l0-21swapper/008:32:020
134491550,4ptp4l0-21swapper/007:32:150
31691995416,11cyclictest13381-21taskset07:39:592
31691995313,36cyclictest7579-21apt-get09:50:112
3169199530,16cyclictest0-21swapper/212:15:182
31690995323,9cyclictest25-21ksoftirqd/111:30:191
31690995313,7cyclictest25-21ksoftirqd/111:35:271
134491530,5ptp4l0-21swapper/310:25:253
134491530,5ptp4l0-21swapper/107:09:351
134491530,4ptp4l0-21swapper/311:18:593
134491530,4ptp4l0-21swapper/309:30:133
134491530,4ptp4l0-21swapper/010:11:270
134491530,4ptp4l0-21swapper/007:10:540
134491530,3ptp4l0-21swapper/109:06:541
134491530,3ptp4l0-21swapper/008:42:210
31691995217,31cyclictest6364-21awk09:45:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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