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2026-01-13 - 22:41
[ 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 Tue Jan 13, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25381219620,24sleep225370-21munin-run07:09:142
25497991143,58cyclictest29690-21kworker/u17:0+ext4-rsv-conversion09:49:330
2400021136,17sleep00-21swapper/007:04:240
533621110,7sleep15335-21ssh10:14:311
255019910856,45cyclictest20870-21latency_hist12:29:171
255019910856,45cyclictest20870-21latency_hist12:29:171
255019910340,13cyclictest0-21swapper/109:29:481
25501991007,57cyclictest22629-21apt-get09:49:311
2550199982,42cyclictest21213-21grep08:34:491
2550199982,42cyclictest21213-21grep08:34:491
25497999819,52cyclictest3282-21taskset11:59:220
25501999744,13cyclictest352-21runrttasks07:44:461
25497999769,20cyclictest11233-21latency_hist08:04:160
2550199963,36cyclictest21423-21apt-get12:29:301
25497999679,11cyclictest3134-21ssh11:04:320
25497999679,11cyclictest3134-21ssh11:04:320
25504999551,38cyclictest29689-21latency_hist11:49:172
2550199954,39cyclictest3971-21find07:39:481
25501999313,36cyclictest4834-21sh10:14:051
25501999248,10cyclictest24898-21grep11:39:521
25504999169,16cyclictest31657-21/usr/sbin/munin10:04:382
25504999169,16cyclictest31657-21/usr/sbin/munin10:04:382
2550499914,65cyclictest22695-21ssh09:49:342
2550499913,25cyclictest2483-21fschecks_count10:09:352
25501999166,17cyclictest25484-21cyclictest08:14:171
2550199914,35cyclictest30247-21fschecks_count09:04:351
2550199912,31cyclictest352-21runrttasks11:56:481
2550499904,37cyclictest4322-21grep07:39:522
2550499903,44cyclictest516-21ssh10:59:482
2550199902,42cyclictest31875-21tail07:24:501
2549799904,53cyclictest15-21ksoftirqd/008:51:570
2549799904,53cyclictest15-21ksoftirqd/008:51:570
2549799904,47cyclictest15-21ksoftirqd/010:28:300
25504998936,48cyclictest3100-21kworker/u17:1+events_unbound10:29:132
2464528910,52sleep124687-21/usr/sbin/munin07:04:581
2550199884,41cyclictest6939-21proc_pri12:04:441
2550199884,41cyclictest6939-21proc_pri12:04:441
2550499875,36cyclictest20262-21/usr/sbin/munin10:39:412
25504998745,33cyclictest0-21swapper/210:49:512
2550499874,36cyclictest11442-21unixbench_singl09:29:512
2550499872,28cyclictest30348-21grep10:54:492
2550199874,37cyclictest8370-21cstates10:19:301
2550499864,37cyclictest6931-21ssh12:04:442
2550499864,37cyclictest6931-21ssh12:04:442
2550499863,36cyclictest6817-21modprobe10:16:132
2550499862,28cyclictest14326-21timerwakeupswit09:34:502
25501998667,12cyclictest29458-21latency_hist11:49:131
2549799863,38cyclictest15-21ksoftirqd/012:21:510
25504998562,16cyclictest15008-21munin-plugin-st08:19:132
2550499854,37cyclictest12314-21cpuspeed12:14:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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