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2026-03-06 - 06:22
[ 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 Fri Mar 06, 2026 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23748214517,94sleep10-21swapper/119:01:311
23748214517,94sleep10-21swapper/119:01:311
24855999566,19cyclictest22752-21kworker/u18:0+events_unbound19:45:492
24855999566,19cyclictest22752-21kworker/u18:0+events_unbound19:45:492
24855999364,21cyclictest18564-21apt-key00:20:512
244382936,16sleep20-21swapper/219:04:412
244382936,16sleep20-21swapper/219:04:412
24855999267,17cyclictest9122-21systemd-run23:10:492
24855999066,17cyclictest32762-21timerandwakeup19:26:242
24855998765,14cyclictest8906-21kworker/u17:2-xprtiod22:51:172
24855998765,14cyclictest8906-21kworker/u17:2-xprtiod22:51:172
24834998749,7cyclictest181rcu_preempt22:16:141
24803998770,10cyclictest23956-21systemctl23:35:490
24834998543,9cyclictest181rcu_preempt19:25:521
24803998560,20cyclictest24779-21cyclictest21:23:070
24803998469,9cyclictest17948-21rm21:36:160
24803998469,9cyclictest17948-21rm21:36:160
24803998465,13cyclictest9811-21sh22:16:210
24855998331,16cyclictest181rcu_preempt22:11:062
24834998341,13cyclictest181rcu_preempt19:07:351
24834998341,13cyclictest181rcu_preempt19:07:351
24834998339,8cyclictest181rcu_preempt22:14:041
24855998254,20cyclictest20735-21latency_hist21:40:542
24855998254,20cyclictest20735-21latency_hist21:40:542
24855998235,20cyclictest181rcu_preempt19:36:062
24803998267,9cyclictest27401-21apt-key23:40:540
24855998156,9cyclictest181rcu_preempt21:35:322
24855998154,9cyclictest181rcu_preempt22:06:292
24834998137,10cyclictest181rcu_preempt22:21:051
24834998137,10cyclictest181rcu_preempt22:21:051
24803998157,19cyclictest16543-21ssh00:16:250
2480399813,53cyclictest15-21ksoftirqd/020:26:290
2485599808,57cyclictest27469-21apt-get23:41:142
24855998045,13cyclictest181rcu_preempt21:16:282
24855998045,13cyclictest181rcu_preempt21:16:282
24834998059,14cyclictest20394-21runrttasks23:29:111
24803998064,9cyclictest21014-21ssh23:30:500
2321228012,38sleep00-21swapper/019:01:090
2321228012,38sleep00-21swapper/019:01:090
24855997939,21cyclictest18391-21timerwakeupswit20:21:262
24855997931,21cyclictest0-21swapper/222:19:252
24834997910,50cyclictest19044-21runrttasks00:21:091
24803997957,16cyclictest25289-21diskmemload00:31:130
24803997957,16cyclictest25289-21diskmemload00:31:130
24803997944,22cyclictest15-21ksoftirqd/021:46:550
24803997944,22cyclictest15-21ksoftirqd/021:46:550
2480399793,45cyclictest15-21ksoftirqd/022:21:280
2480399793,45cyclictest15-21ksoftirqd/022:21:280
24855997853,9cyclictest181rcu_preempt20:16:172
24855997851,8cyclictest181rcu_preempt19:11:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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