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2026-02-20 - 12:42
[ 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 Fri Feb 20, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3125221389,96sleep10-21swapper/119:02:071
3125221389,96sleep10-21swapper/119:02:071
32724991239,78cyclictest15662-21kworker/u19:1+ext4-rsv-conversion00:22:011
32724991239,78cyclictest15662-21kworker/u19:1+ext4-rsv-conversion00:22:011
32548211617,63sleep232522-21munin-run19:06:492
32548211617,63sleep232522-21munin-run19:06:492
327389910749,15cyclictest200-21systemd-journal22:55:122
32710991017,68cyclictest15-21ksoftirqd/019:32:020
32710991017,68cyclictest15-21ksoftirqd/019:32:020
3272499984,49cyclictest4468-21apt-get19:16:581
32710999672,17cyclictest32691-21cyclictest22:52:020
32710999565,20cyclictest1714-21latency_hist20:46:480
32710999565,20cyclictest1714-21latency_hist20:46:480
3247629513,56sleep01-21systemd19:06:470
3247629513,56sleep01-21systemd19:06:470
32710999467,16cyclictest23939-21sh22:27:160
32710999366,19cyclictest8226-21diskmemload22:32:210
3273899922,67cyclictest8226-21diskmemload23:12:072
3273899917,41cyclictest374-21sshd19:12:132
32738999173,11cyclictest277-21dbus-daemon22:41:462
3272499915,54cyclictest14684-21apt-get23:07:001
3272499915,54cyclictest14684-21apt-get23:07:001
32738999068,17cyclictest5690-21kworker/u17:4+events_unbound20:36:452
32738999068,17cyclictest5690-21kworker/u17:4+events_unbound20:36:452
3272499904,37cyclictest11122-21latency_hist19:36:491
3272499903,11cyclictest20431-21ssh21:27:041
32738998967,16cyclictest544-21cron20:16:452
3271099893,68cyclictest14102-21apt-get19:46:590
32710998916,50cyclictest15-21ksoftirqd/019:57:450
32710998916,50cyclictest15-21ksoftirqd/019:57:450
32738998847,30cyclictest9096-21kworker/u19:3+nfsiod23:35:192
32738998847,30cyclictest9096-21kworker/u19:3+nfsiod23:35:192
3272499884,36cyclictest8572-21cat22:02:001
3272499884,36cyclictest8572-21cat22:02:001
3272499882,37cyclictest3370-21/usr/sbin/munin20:52:141
3271099885,54cyclictest8962-21cpu23:52:000
3271099885,54cyclictest8962-21cpu23:52:000
3271099882,51cyclictest15-21ksoftirqd/023:40:070
32710998814,43cyclictest15-21ksoftirqd/000:11:470
32710998814,43cyclictest15-21ksoftirqd/000:11:470
32724998745,35cyclictest15933-21cron19:51:451
3272499873,36cyclictest6373-21apt-get21:01:451
3272499873,36cyclictest6373-21apt-get21:01:451
3272499873,34cyclictest29603-21/usr/sbin/munin23:32:101
3272499873,34cyclictest29603-21/usr/sbin/munin23:32:101
3271099873,70cyclictest15071-21/usr/sbin/munin23:07:500
3271099873,70cyclictest15071-21/usr/sbin/munin23:07:500
32710998726,30cyclictest15-21ksoftirqd/021:56:470
32724998639,39cyclictest0-21swapper/123:42:051
3272499863,40cyclictest20790-21/usr/sbin/munin23:17:201
3272499863,34cyclictest12424-21timerandwakeup23:02:211
3272499862,38cyclictest29784-21/usr/sbin/munin00:27:271
32710998611,57cyclictest6871-21apt-get21:02:140
32710998611,57cyclictest6871-21apt-get21:02:140
32738998564,15cyclictest544-21cron20:51:452
3272499853,8cyclictest0-21swapper/121:37:001
3272499853,8cyclictest0-21swapper/121:37:001
3272499853,34cyclictest14451-21/usr/sbin/munin22:12:221
3272499853,34cyclictest14451-21/usr/sbin/munin22:12:221
3272499852,30cyclictest7988-21if_err_eth019:27:071
3272499852,30cyclictest7988-21if_err_eth019:27:071
3271099854,60cyclictest25659-21apt-get20:22:070
3271099853,48cyclictest17747-21fschecks_time22:17:110
3271099853,48cyclictest17747-21fschecks_time22:17:110
32724998464,13cyclictest20809-21apt20:06:451
32724998464,13cyclictest20809-21apt20:06:451
3272499844,8cyclictest0-21swapper/120:46:591
3272499843,36cyclictest2603-21/usr/sbin/munin22:47:011
3272499843,35cyclictest2375-21munin-node19:41:551
3272499843,34cyclictest28748-21grep20:27:231
3272499843,28cyclictest352-21runrttasks22:39:011
3272499842,35cyclictest11519-21sed19:37:101
3271099846,49cyclictest15-21ksoftirqd/020:08:480
3271099846,49cyclictest15-21ksoftirqd/020:08:480
3273899833,22cyclictest26231-21apt-get21:37:002
3273899833,22cyclictest26231-21apt-get21:37:002
3272499833,8cyclictest0-21swapper/122:41:561
3272499833,8cyclictest0-21swapper/122:41:561
3272499833,34cyclictest11351-21latency_hist23:01:471
3272499833,33cyclictest18456-21processes19:57:181
3272499833,33cyclictest18456-21processes19:57:181
3272499833,32cyclictest32082-21ssh21:46:501
3272499832,39cyclictest7449-21runrttasks19:26:471
3272499832,35cyclictest8504-21runrttasks23:51:261
3272499832,35cyclictest12235-21fschecks_time23:57:081
3271099833,40cyclictest15-21ksoftirqd/022:25:080
32710998311,55cyclictest18381-21runrttasks23:13:030
32738998263,13cyclictest1523-21idleruntime-cro20:46:452
32738998263,13cyclictest1523-21idleruntime-cro20:46:452
3272499823,35cyclictest4298-21latency_hist19:16:471
3272499823,35cyclictest15126-21fschecks_count00:02:071
3272499823,33cyclictest27796-21ssh23:27:251
3272499823,33cyclictest11015-21latency_hist19:36:481
3272499823,32cyclictest32352-21latency_hist20:41:481
3272499823,32cyclictest32352-21latency_hist20:41:481
3272499823,32cyclictest23296-21/usr/sbin/munin22:27:031
3272499822,35cyclictest32753-21ssh23:37:021
3272499822,34cyclictest17578-21cat19:56:461
3272499822,27cyclictest25601-21seq23:24:341
3272499822,27cyclictest25601-21seq23:24:341
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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