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2026-01-19 - 13:47
[ 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 Mon Jan 19, 2026 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
244119911451,56cyclictest518-21fschecks_count22:04:111
23915211420,76sleep30-21swapper/319:04:403
23915211420,76sleep30-21swapper/319:04:403
24411991123,44cyclictest25922-21apt-get19:14:061
244119910548,9cyclictest0-21swapper/122:19:301
2341129529,36sleep20-21swapper/219:04:262
2341129529,36sleep20-21swapper/219:04:262
126842950,6sleep30-21swapper/320:09:213
2440799943,63cyclictest26855-21apt-get19:14:070
24411999269,15cyclictest26324-21kworker/u19:0-rpciod23:48:121
2370829154,16sleep00-21swapper/019:04:370
2370829154,16sleep00-21swapper/019:04:370
24411999069,15cyclictest4176-21fschecks_time23:04:181
24411999061,12cyclictest181rcu_preempt22:34:071
24407999070,15cyclictest24397-21cyclictest19:48:520
24415998726,28cyclictest18748-21cat20:29:112
24407998763,17cyclictest21361-21kworker/u19:0+events_unbound23:03:510
24415998555,20cyclictest31753-21diskmemload21:59:092
24415998555,20cyclictest31753-21diskmemload21:59:092
24411998566,12cyclictest3438-21cstates22:09:091
24415998427,20cyclictest0-21swapper/223:05:422
24415998422,27cyclictest15964-21latency_hist00:18:542
24415998422,27cyclictest15964-21latency_hist00:18:542
24407998344,16cyclictest22010-21ssh21:44:590
24407998344,16cyclictest22010-21ssh21:44:590
2440799833,42cyclictest15-21ksoftirqd/021:34:320
2440799833,42cyclictest15-21ksoftirqd/021:34:320
24415998259,16cyclictest15103-21cron20:18:522
2441199823,70cyclictest16344-21apt-get00:19:311
2441199823,70cyclictest16344-21apt-get00:19:311
24407998258,10cyclictest181rcu_preempt00:11:330
24407998247,7cyclictest181rcu_preempt22:10:180
24415998158,15cyclictest25946-21gpgv19:13:562
24415998127,22cyclictest0-21swapper/220:59:292
24415998056,17cyclictest298-21in:imuxsock23:19:012
24415998028,28cyclictest0-21swapper/219:39:072
24415998022,23cyclictest7046-21latency_hist19:53:552
24411998048,10cyclictest31-21ksoftirqd/119:08:561
24411998048,10cyclictest31-21ksoftirqd/119:08:561
24407998050,24cyclictest0-21swapper/021:24:290
24407998050,24cyclictest0-21swapper/021:24:290
24407998034,11cyclictest181rcu_preempt22:57:350
2440799802,47cyclictest15-21ksoftirqd/020:09:080
24415997960,12cyclictest26331-21runrttasks23:40:572
24415997949,21cyclictest29493-21latency_hist21:58:542
24415997923,25cyclictest0-21swapper/222:16:312
24411997952,11cyclictest19676-21snmpd21:23:091
24411997932,8cyclictest181rcu_preempt20:24:271
24411997932,8cyclictest181rcu_preempt20:24:271
24407997952,8cyclictest181rcu_preempt23:16:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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