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2026-02-23 - 00:38
[ 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 Sun Feb 22, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23600220114,30sleep00-21swapper/007:02:000
249159910590,10cyclictest29721-21kworker/u18:2-rpciod11:31:592
249159910590,10cyclictest29721-21kworker/u18:2-rpciod11:31:592
249109910556,8cyclictest181rcu_preempt07:12:141
249109910556,8cyclictest181rcu_preempt07:12:141
249059910282,9cyclictest26864-21apt-get10:47:010
2407029411,44sleep10-21swapper/107:02:181
129172940,6sleep10-21swapper/110:22:131
24915999231,10cyclictest181rcu_preempt09:51:512
24915999231,10cyclictest181rcu_preempt09:51:512
24910999254,13cyclictest181rcu_preempt09:26:501
24905999257,8cyclictest181rcu_preempt10:58:350
2490599912,42cyclictest9778-21apt-get12:06:570
24905999070,14cyclictest11954-21latency_hist11:16:380
24905999070,14cyclictest11954-21latency_hist11:16:380
24915998946,15cyclictest17537-21ssh09:36:522
24910998952,11cyclictest181rcu_preempt10:36:461
24910998870,12cyclictest298-21in:imuxsock08:11:351
24915998741,10cyclictest181rcu_preempt07:21:512
24910998670,10cyclictest17586-21latency_hist10:31:381
237892867,51sleep223845-21sed07:02:062
24915998546,8cyclictest181rcu_preempt08:11:382
24905998440,9cyclictest181rcu_preempt10:07:360
24915998348,7cyclictest181rcu_preempt10:58:472
24915998346,16cyclictest17282-21/usr/sbin/munin08:21:522
24915998346,16cyclictest17282-21/usr/sbin/munin08:21:522
24915998339,7cyclictest181rcu_preempt07:41:552
24915998335,10cyclictest0-21swapper/210:31:392
24910998362,15cyclictest10193-21runrttasks09:23:341
24910998359,15cyclictest9538-21apt-key12:06:391
24905998350,26cyclictest0-21swapper/009:51:590
24905998350,26cyclictest0-21swapper/009:51:590
24915998263,10cyclictest0-21swapper/208:37:122
24910998262,7cyclictest181rcu_preempt10:31:511
24915998162,9cyclictest0-21swapper/211:46:522
24915998158,17cyclictest14827-21sh11:21:372
24915998136,16cyclictest181rcu_preempt07:37:092
24915998133,13cyclictest181rcu_preempt12:03:462
24910998149,12cyclictest181rcu_preempt12:10:281
2491099812,46cyclictest25928-21kworker/u19:1+ext4-rsv-conversion10:46:571
24910998054,20cyclictest5883-21latency_hist11:06:371
24910998011,57cyclictest21392-21apt-get11:31:551
24910998011,57cyclictest21392-21apt-get11:31:551
2490599803,37cyclictest15-21ksoftirqd/008:17:120
24915997960,9cyclictest0-21swapper/212:17:112
24915997959,9cyclictest0-21swapper/212:12:292
24915997937,8cyclictest181rcu_preempt08:32:082
24910997960,13cyclictest297-21systemd-logind11:56:361
24910997957,16cyclictest733-21kernelversion10:57:011
24910997956,15cyclictest28159-21switchtime11:42:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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