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2026-02-07 - 17:26
[ 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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot7.osadl.org (updated Sat Feb 07, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20123214811,24sleep10-21swapper/107:03:191
20838991013,72cyclictest8846-21taskset08:07:511
2005329914,62sleep019339-21/usr/sbin/munin07:03:180
20838999556,14cyclictest181rcu_preempt09:31:291
20838999556,14cyclictest181rcu_preempt09:31:291
20838999252,10cyclictest181rcu_preempt08:52:381
20833999267,17cyclictest1874-21sh07:47:340
20833999267,17cyclictest1874-21sh07:47:340
2083399913,65cyclictest8836-21apt-get08:07:590
2083399913,65cyclictest23897-21ssh10:47:570
20838998863,12cyclictest0-21swapper/110:07:371
2083899883,72cyclictest23828-21apt-get10:47:541
20833998767,13cyclictest3899-21latency_hist12:02:370
20833998758,22cyclictest300-21rs:main0
20833998733,10cyclictest181rcu_preempt11:10:090
2085199866,67cyclictest8860-21chrt08:07:593
20845998666,14cyclictest28851-21ssh10:55:092
20838998663,12cyclictest0-21swapper/108:37:381
2083899862,54cyclictest1319-21tune2fs11:57:551
2083899853,42cyclictest27043-21apt-get10:52:511
2018728513,42sleep220272-21unixbench_multi07:03:202
20845998465,14cyclictest20823-21cyclictest11:25:592
20838998465,12cyclictest0-21swapper/112:07:581
20838998462,16cyclictest8609-21apt-key08:07:381
20838998454,8cyclictest181rcu_preempt12:15:251
20838998453,14cyclictest181rcu_preempt10:24:381
20838998453,14cyclictest181rcu_preempt10:24:381
20833998458,10cyclictest181rcu_preempt10:30:000
20838998341,10cyclictest181rcu_preempt09:02:581
20838998341,10cyclictest181rcu_preempt09:02:581
20833998360,16cyclictest1-21systemd08:02:350
20833998360,16cyclictest1-21systemd08:02:350
20833998350,15cyclictest18520-21/usr/sbin/munin08:38:070
20833998341,17cyclictest12087-21apt-get08:17:460
20833998341,17cyclictest12087-21apt-get08:17:460
20838998250,12cyclictest6180-21rm09:23:131
2083399823,62cyclictest30076-21fschecks_count07:34:320
20845998146,26cyclictest18798-21cut08:37:582
20838998160,12cyclictest31442-21cpuspeed07:37:511
20838998152,20cyclictest14235-21ssh10:32:271
20833998161,14cyclictest21236-21systemctl11:37:340
20833998131,8cyclictest181rcu_preempt09:03:110
20833998131,8cyclictest181rcu_preempt09:03:110
20845998059,11cyclictest5867-21kworker/u17:3-rpciod09:27:572
20845998059,11cyclictest5867-21kworker/u17:3-rpciod09:27:572
2084599803,67cyclictest29239-21apt-get07:32:502
2084599803,30cyclictest20739-21ssh12:29:562
20838998063,10cyclictest0-21swapper/109:18:081
20838998038,8cyclictest181rcu_preempt10:33:091
2083899803,51cyclictest30088-21fschecks_count07:34:321
2083899802,49cyclictest579-21ssh11:02:441
20833998058,14cyclictest20823-21cyclictest11:52:380
20833998030,10cyclictest181rcu_preempt12:27:540
20838997956,13cyclictest0-21swapper/108:32:381
20838997945,8cyclictest181rcu_preempt08:58:071
20838997938,19cyclictest0-21swapper/108:02:311
20838997938,19cyclictest0-21swapper/108:02:311
20833997936,11cyclictest181rcu_preempt07:12:530
2084599787,61cyclictest20379-21apt-get08:42:502
20845997858,14cyclictest24392-21fschecks_count10:48:532
20845997855,14cyclictest0-21swapper/212:08:112
20845997851,19cyclictest22042-21ssh12:32:502
20838997853,17cyclictest14375-21processes08:24:051
20838997847,12cyclictest181rcu_preempt08:42:361
20833997858,9cyclictest0-21swapper/012:12:340
20833997845,8cyclictest0-21swapper/009:43:100
20833997839,16cyclictest20823-21cyclictest07:37:560
2083399783,52cyclictest12256-21idleruntime-cro11:22:340
20833997832,19cyclictest32640-21grep10:08:030
20845997761,11cyclictest20823-21cyclictest09:49:152
20845997761,11cyclictest20823-21cyclictest08:23:572
20845997759,12cyclictest200-21systemd-journal11:13:322
20845997759,12cyclictest200-21systemd-journal11:13:322
20845997757,13cyclictest19676-21snmpd09:22:352
20845997757,12cyclictest22662-21mailstats08:48:092
20845997753,18cyclictest28190-21diskmemload09:52:532
20838997758,12cyclictest352-21runrttasks07:57:351
20838997748,9cyclictest181rcu_preempt11:43:461
20838997745,12cyclictest181rcu_preempt09:48:551
20838997730,17cyclictest0-21swapper/112:06:561
20833997762,9cyclictest13318-21ssh12:17:570
20833997752,17cyclictest544-21cron12:27:340
20833997745,23cyclictest26784-21latency_hist09:02:380
20833997740,13cyclictest181rcu_preempt07:48:140
20833997735,8cyclictest181rcu_preempt08:43:080
20845997645,20cyclictest1970-21latency_hist09:17:382
20845997645,20cyclictest1970-21latency_hist09:17:382
20838997662,10cyclictest20823-21cyclictest11:22:591
2083399766,37cyclictest30491-21kernelversion10:58:000
20833997642,8cyclictest181rcu_preempt08:23:500
20833997639,8cyclictest181rcu_preempt11:14:010
20833997639,8cyclictest181rcu_preempt11:14:010
20833997639,16cyclictest58-21kcompactd007:52:530
20833997634,17cyclictest181rcu_preempt10:12:400
20833997634,17cyclictest181rcu_preempt10:12:400
20845997555,13cyclictest20823-21cyclictest09:12:372
20845997552,16cyclictest1-21systemd12:21:382
20838997554,15cyclictest20823-21cyclictest12:28:011
20838997551,8cyclictest181rcu_preempt11:12:511
20838997551,8cyclictest181rcu_preempt11:12:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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