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2026-03-04 - 06:23
[ 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 50 highest latencies:
System rackbslot7.osadl.org (updated Wed Mar 04, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31132212912,85sleep131181-21modprobe19:05:581
29977212312,80sleep229986-21/usr/sbin/munin19:01:222
31273991193,25cyclictest13941-21/usr/sbin/munin23:06:130
312859911666,11cyclictest8906-21idleruntime-cro19:35:571
31273991142,29cyclictest200-21systemd-journal23:56:160
312859911257,14cyclictest181rcu_preempt23:56:091
31273991114,28cyclictest352-21runrttasks21:20:320
31273991114,28cyclictest352-21runrttasks21:20:320
312739910910,92cyclictest18890-21/usr/sbin/munin22:21:230
31273991073,25cyclictest32631-21fschecks_count00:31:180
312739910654,46cyclictest18428-21apt22:20:580
312739910654,46cyclictest18428-21apt22:20:580
677321050,4sleep06772-21ssh23:47:200
312739910528,72cyclictest15350irq/295-2188000.ethernet22:36:110
31273991037,13cyclictest0-21swapper/021:21:250
31273991033,31cyclictest9454-21head23:51:360
31273991032,29cyclictest16482-21taskset00:04:190
312949910123,36cyclictest21373-21unixbench_multi20:11:352
312739910139,56cyclictest277-21dbus-daemon21:05:580
31273991013,27cyclictest5204-21latency_hist23:45:590
31273991012,24cyclictest13518-21grep22:11:310
312949910034,25cyclictest0-21swapper/223:31:312
31273991003,12cyclictest18900-21kworker/u18:1+ext4-rsv-conversion22:41:430
312739910015,51cyclictest0-21swapper/000:11:140
312739910015,51cyclictest0-21swapper/000:11:140
31294999948,22cyclictest277-21dbus-daemon21:10:592
31294999948,22cyclictest277-21dbus-daemon21:10:592
31294999941,28cyclictest9377-21latency_hist22:06:002
3127399994,32cyclictest12495-21cstates19:46:140
170152990,7sleep20-21swapper/221:23:482
31294999829,25cyclictest7239-21ssh22:55:262
31294999822,31cyclictest17673-21uniq00:06:192
3127399984,8cyclictest0-21swapper/000:26:110
3127399984,8cyclictest0-21swapper/000:26:110
3127399984,28cyclictest25795-21/usr/sbin/munin23:26:130
3127399984,26cyclictest25051-21modprobe20:25:570
3127399983,28cyclictest29908-21latency_hist21:46:000
3127399983,28cyclictest29908-21latency_hist21:46:000
3127399983,28cyclictest23717-21ssh22:28:250
3127399983,22cyclictest19176-21ssh21:26:350
3127399982,25cyclictest5316-21awk22:51:250
3127399982,25cyclictest27099-21grep00:21:300
3127399982,24cyclictest25297-21sh21:36:470
3127399982,24cyclictest23614-21/usr/sbin/munin00:16:160
3127399973,30cyclictest22572-21cat23:20:590
3127399973,28cyclictest2839-21runrttasks19:16:160
3127399973,28cyclictest2839-21runrttasks19:16:160
3127399973,25cyclictest8383-21grep19:31:320
3127399964,9cyclictest0-21swapper/020:26:100
31273999637,52cyclictest0-21swapper/021:55:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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