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2026-01-19 - 05:20
[ 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 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
24407997928,26cyclictest15-21ksoftirqd/020:27:430
24407997928,26cyclictest15-21ksoftirqd/020:27:430
24415997857,15cyclictest31753-21diskmemload22:49:272
24415997857,15cyclictest31753-21diskmemload22:49:272
24415997854,16cyclictest200-21systemd-journal19:30:512
24415997853,18cyclictest8347-21latency_hist21:24:022
24411997856,16cyclictest31753-21diskmemload23:14:181
24411997850,19cyclictest2200-21unixbench_multi23:54:301
24411997850,19cyclictest2200-21unixbench_multi23:54:301
24407997853,15cyclictest27460-21sh22:49:090
24407997853,15cyclictest27460-21sh22:49:090
24407997853,12cyclictest181rcu_preempt21:40:330
24407997850,12cyclictest181rcu_preempt22:27:140
2440799783,45cyclictest24279-21awk21:49:190
24407997826,27cyclictest15-21ksoftirqd/019:49:250
24415997759,12cyclictest27141-21fschecks_count20:54:152
24415997759,12cyclictest27141-21fschecks_count20:54:152
24415997749,21cyclictest5419-21latency_hist21:18:542
24411997750,20cyclictest2694-21fschecks_count19:39:121
2441199773,64cyclictest6531-21apt-get22:14:331
24407997757,7cyclictest181rcu_preempt22:45:490
24407997746,14cyclictest181rcu_preempt22:02:570
24407997746,14cyclictest181rcu_preempt22:02:570
24407997723,33cyclictest15-21ksoftirqd/021:04:260
24407997714,29cyclictest15-21ksoftirqd/019:39:010
24415997659,11cyclictest31753-21diskmemload22:34:202
24415997620,26cyclictest0-21swapper/221:24:172
24415997620,26cyclictest0-21swapper/221:24:172
24411997653,17cyclictest28531-21sh22:49:431
24411997653,17cyclictest28531-21sh22:49:431
24411997644,9cyclictest24397-21cyclictest21:36:011
24411997644,9cyclictest24397-21cyclictest21:36:011
24407997655,14cyclictest8528-21latency_hist21:23:560
2440799765,28cyclictest25864-21runrttasks23:39:370
2440799764,40cyclictest7342-21df_inode00:04:120
2440799764,40cyclictest7342-21df_inode00:04:120
24407997637,10cyclictest181rcu_preempt00:34:260
24407997633,28cyclictest21211-1kworker/0:0H+kblockd00:23:530
24407997633,28cyclictest21211-1kworker/0:0H+kblockd00:23:530
2440799763,27cyclictest934-21/usr/sbin/munin22:04:220
24415997549,16cyclictest300-21rs:main2
24415997544,24cyclictest352-21runrttasks22:08:242
2441599752,37cyclictest5996-21http22:13:522
24415997516,26cyclictest0-21swapper/220:09:292
24411997550,8cyclictest181rcu_preempt00:04:151
24411997550,8cyclictest181rcu_preempt00:04:151
2440799758,34cyclictest15-21ksoftirqd/019:54:520
2440799758,34cyclictest15-21ksoftirqd/019:54:520
24407997558,11cyclictest4517-21ssh23:04:280
24407997556,14cyclictest15914-21apt-key00:18:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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