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2026-01-31 - 21:37
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 Jan 31, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22604212813,80sleep222665-21/usr/sbin/munin07:03:242
24035991033,55cyclictest18505-21apt-get10:33:181
24035999354,12cyclictest181rcu_preempt07:58:061
234192928,59sleep023501-21unixbench_singl07:03:510
2403599906,58cyclictest10209-21apt-get12:08:211
2403599906,58cyclictest10209-21apt-get12:08:211
24035999065,16cyclictest14453-21cron09:33:021
2403099904,54cyclictest15-21ksoftirqd/007:37:060
2403099904,54cyclictest15-21ksoftirqd/007:37:060
24030998915,39cyclictest15-21ksoftirqd/011:15:530
24039998870,11cyclictest8109-21ssh12:03:302
24039998870,11cyclictest8109-21ssh12:03:302
2403099883,50cyclictest15-21ksoftirqd/010:33:260
24039998770,10cyclictest27990-21ssh11:43:122
2403599873,36cyclictest23763-21fschecks_count12:29:201
2403099874,49cyclictest15-21ksoftirqd/010:43:430
2403099873,57cyclictest15-21ksoftirqd/008:32:590
24039998639,35cyclictest11794-21apt-get08:08:152
24030998658,20cyclictest30415-21latency_hist09:03:050
24030998655,7cyclictest181rcu_preempt11:52:460
24035998558,19cyclictest31873-21diskmemload10:58:271
24035998558,19cyclictest31873-21diskmemload10:58:271
24030998561,15cyclictest300-21rs:main0
24030998561,15cyclictest300-21rs:main0
2403099853,49cyclictest15-21ksoftirqd/011:39:290
2403099853,49cyclictest15-21ksoftirqd/011:39:290
24044998310,60cyclictest17167-21chrt12:18:413
24039998359,18cyclictest17459-21sendmail09:38:032
24039998359,18cyclictest17459-21sendmail09:38:032
24035998362,13cyclictest13638-21kworker/u17:3-xprtiod11:43:231
24035998357,8cyclictest181rcu_preempt09:15:361
24035998342,11cyclictest181rcu_preempt12:23:241
24035998342,11cyclictest181rcu_preempt12:23:241
24030998322,36cyclictest15-21ksoftirqd/008:42:490
24039998263,13cyclictest200-21systemd-journal07:52:512
24039998263,13cyclictest200-21systemd-journal07:52:512
24035998248,9cyclictest181rcu_preempt11:20:461
2403599823,45cyclictest14661-21timerandwakeup12:13:381
2403599823,29cyclictest30929-21sh10:53:281
24030998265,11cyclictest21489-21systemd-run08:38:030
24039998118,37cyclictest0-21swapper/210:18:312
24039998118,37cyclictest0-21swapper/210:18:312
24035998137,9cyclictest181rcu_preempt11:58:341
2403599813,42cyclictest31-21ksoftirqd/109:02:481
24035998133,15cyclictest0-21swapper/108:08:061
24039998060,14cyclictest7229-21idleruntime-cro12:03:022
24039998057,17cyclictest24708-21sendmail11:38:022
24035998057,15cyclictest21986-21/usr/sbin/munin11:33:241
24035998047,8cyclictest181rcu_preempt08:18:351
24035998043,11cyclictest0-21swapper/108:18:061
2403599803,47cyclictest30384-21latency_hist10:53:061
2403599803,46cyclictest26818-21ssh12:33:461
2403099804,50cyclictest15-21ksoftirqd/007:45:040
2403099804,50cyclictest15-21ksoftirqd/007:45:040
24030998027,36cyclictest15-21ksoftirqd/012:06:270
24030998027,36cyclictest15-21ksoftirqd/012:06:270
283622792,18sleep028456-21sh10:48:380
24039997959,14cyclictest22785-21gpgv12:28:062
24039997959,14cyclictest22785-21gpgv12:28:062
2403999793,65cyclictest16430-21apt-get12:18:172
24035997954,9cyclictest21128-21kworker/u17:4+xprtiod09:23:141
24035997954,9cyclictest21128-21kworker/u17:4+xprtiod09:23:141
24035997953,9cyclictest181rcu_preempt11:40:521
24035997953,9cyclictest181rcu_preempt11:40:521
24035997944,9cyclictest8938-21ssh12:04:301
24035997944,9cyclictest8938-21ssh12:04:301
24035997933,16cyclictest181rcu_preempt07:47:521
24035997933,16cyclictest181rcu_preempt07:47:521
24035997933,15cyclictest181rcu_preempt11:06:331
2403599792,58cyclictest24686-21apt-get08:48:211
2403599792,58cyclictest24686-21apt-get08:48:211
2403599792,34cyclictest31873-21diskmemload10:20:361
2403599792,34cyclictest31873-21diskmemload10:20:361
24030997962,12cyclictest24017-21cyclictest11:03:380
24030997944,27cyclictest277-21dbus-daemon12:38:030
24030997941,8cyclictest181rcu_preempt11:29:120
2403099793,35cyclictest15-21ksoftirqd/010:53:430
24039997860,11cyclictest277-21dbus-daemon09:33:032
24039997853,19cyclictest18224-21apt-key08:28:062
24039997853,19cyclictest18224-21apt-key08:28:062
24039997853,19cyclictest18224-21apt-key08:28:062
24039997853,19cyclictest18224-21apt-key08:28:062
24039997821,28cyclictest12337-21taskset10:23:182
24035997848,9cyclictest3675-21ssh11:56:351
24035997843,12cyclictest181rcu_preempt07:28:281
24030997837,25cyclictest15-21ksoftirqd/009:09:320
2403099783,46cyclictest15-21ksoftirqd/007:53:160
24030997817,34cyclictest15-21ksoftirqd/007:30:520
24030997815,51cyclictest10760-21apt-get12:08:180
24030997815,51cyclictest10760-21apt-get12:08:180
24030997815,46cyclictest16988-21apt-get12:18:210
2403999779,38cyclictest352-21runrttasks12:14:372
24039997748,8cyclictest181rcu_preempt09:38:272
24039997720,21cyclictest11785-21taskset12:09:402
24039997720,21cyclictest11785-21taskset12:09:402
24039997719,26cyclictest27716-21taskset12:34:242
24035997759,11cyclictest8115-21ssh09:22:111
24035997753,14cyclictest31873-21diskmemload11:28:341
24035997752,9cyclictest181rcu_preempt10:23:291
24035997749,20cyclictest25619-21latency_hist07:13:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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