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2026-02-22 - 18:44
[ 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 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
24910997955,17cyclictest24895-21cyclictest08:52:111
24910997955,17cyclictest24895-21cyclictest08:52:111
24915997841,19cyclictest28518-21kworker/u17:0-rpciod12:32:012
24915997839,8cyclictest181rcu_preempt11:04:022
24915997831,14cyclictest0-21swapper/210:41:592
24910997846,7cyclictest181rcu_preempt08:51:361
24910997835,8cyclictest181rcu_preempt07:42:121
24905997851,20cyclictest0-21swapper/010:06:380
24915997737,10cyclictest181rcu_preempt11:57:082
24915997737,10cyclictest181rcu_preempt09:44:012
2491599773,58cyclictest9845-21ssh12:06:562
2491599773,54cyclictest3049-21ssh10:06:522
24910997755,7cyclictest181rcu_preempt09:37:091
24910997747,22cyclictest24895-21cyclictest09:51:391
2491099773,22cyclictest23648-21/usr/sbin/munin10:42:031
24910997724,16cyclictest58-21kcompactd008:27:011
24905997763,9cyclictest24895-21cyclictest10:44:460
24905997759,12cyclictest19676-21snmpd09:06:570
2490599775,41cyclictest15-21ksoftirqd/010:53:000
2490599775,41cyclictest15-21ksoftirqd/010:53:000
2490599773,27cyclictest15-21ksoftirqd/007:52:110
2490599773,27cyclictest15-21ksoftirqd/007:52:110
2490599772,38cyclictest15-21ksoftirqd/012:20:280
24915997661,8cyclictest0-21swapper/211:12:052
24915997661,8cyclictest0-21swapper/211:12:052
24915997661,8cyclictest0-21swapper/210:01:382
24915997658,10cyclictest25375-21apt-key08:46:392
24915997635,10cyclictest0-21swapper/210:15:432
24910997637,16cyclictest181rcu_preempt11:09:181
24910997637,16cyclictest181rcu_preempt11:09:181
24910997637,16cyclictest181rcu_preempt11:09:181
24910997629,26cyclictest0-21swapper/109:34:531
24910997629,26cyclictest0-21swapper/109:34:531
24905997659,11cyclictest14680-21ssh10:26:380
24905997659,10cyclictest13224-21rm11:17:140
24905997656,14cyclictest9406-21sh09:22:110
2490599765,39cyclictest15-21ksoftirqd/011:21:390
2490599764,40cyclictest15-21ksoftirqd/008:05:150
2490599763,30cyclictest15-21ksoftirqd/011:36:370
2490599763,30cyclictest15-21ksoftirqd/011:36:370
24915997554,12cyclictest0-21swapper/210:02:122
24915997536,10cyclictest28474-21latency_hist07:16:392
24915997536,10cyclictest28474-21latency_hist07:16:392
24910997537,11cyclictest181rcu_preempt09:41:531
24905997555,15cyclictest30404-21latency_hist09:01:380
2490599753,52cyclictest15-21ksoftirqd/007:56:580
2490599753,31cyclictest15-21ksoftirqd/007:16:390
2490599753,31cyclictest15-21ksoftirqd/007:16:390
24905997526,27cyclictest15-21ksoftirqd/011:37:200
24915997450,14cyclictest26881-21kworker/u17:2-rpciod10:47:372
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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