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2026-03-04 - 07:49
[ 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 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
3127399963,26cyclictest14257-21grep19:51:180
3127399963,25cyclictest22814-21/usr/sbin/munin23:21:080
3127399963,23cyclictest9811-21expr22:06:140
3127399963,23cyclictest9811-21expr22:06:140
3127399963,20cyclictest833-21munin-node19:11:050
3127399963,20cyclictest833-21munin-node19:11:050
3127399962,22cyclictest6420-21ssh21:06:210
3127399962,22cyclictest6420-21ssh21:06:210
3129499952,62cyclictest31196-21apt-get22:41:242
3127399954,32cyclictest352-21runrttasks21:46:120
3127399953,31cyclictest352-21runrttasks20:11:120
3127399953,10cyclictest5786-21diskmemload22:01:120
3127399952,29cyclictest15624-21/usr/sbin/munin19:56:250
3127399952,19cyclictest28807-21apt-get23:31:130
3127399944,27cyclictest32001-21/usr/sbin/munin20:46:580
31273999438,49cyclictest0-21swapper/023:36:160
31273999438,49cyclictest0-21swapper/023:36:160
3127399943,28cyclictest24929-21/usr/sbin/munin22:31:240
3127399943,13cyclictest8114-21sh22:56:200
3127399943,13cyclictest8114-21sh22:56:200
3127399942,31cyclictest352-21runrttasks23:02:190
31273999414,21cyclictest21900-21/usr/sbin/munin21:31:320
310952946,66sleep00-21swapper/019:05:280
3127399935,29cyclictest9675-21/usr/sbin/munin21:11:260
3127399935,29cyclictest23443-21modprobe20:20:570
3127399934,29cyclictest9522-21cat19:36:200
3127399933,31cyclictest18264-21seq00:06:330
3127399932,25cyclictest2187-21if_eth022:46:290
3127399932,25cyclictest2187-21if_eth022:46:290
3127399932,21cyclictest26915-21/usr/sbin/munin20:31:260
31294999265,12cyclictest0-21swapper/223:46:052
31294999230,28cyclictest27604-21ssh23:28:302
3127399923,31cyclictest30748-21ps20:41:290
3127399923,31cyclictest30748-21ps20:41:290
3127399923,30cyclictest10780-21/usr/sbin/munin19:41:340
3127399923,27cyclictest3061-21fschecks_time20:56:190
3127399922,24cyclictest1693-21ntp_kernel_pll_20:51:250
3127399922,24cyclictest1693-21ntp_kernel_pll_20:51:250
31273999136,49cyclictest0-21swapper/020:06:310
3127399913,32cyclictest5865-21latency_hist19:26:000
3127399913,32cyclictest31448-21/usr/sbin/munin19:06:130
3127399913,27cyclictest29516-21grep20:36:330
3127399912,29cyclictest352-21runrttasks23:11:370
31273999122,63cyclictest0-21swapper/021:56:100
3127399903,30cyclictest6047-21cstates19:26:160
3127399903,29cyclictest17578-21if_eth020:01:220
31294998932,26cyclictest4270-21rm23:43:432
31294998919,35cyclictest0-21swapper/219:56:202
31294998837,34cyclictest27994-21ssh22:36:112
31294998823,30cyclictest12386-21latency_hist22:11:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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