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2026-02-16 - 03:05
[ 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 Feb 16, 2026 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238521387,94sleep12439-21fschecks_time19:02:301
238521387,94sleep12439-21fschecks_time19:02:301
2223212414,91sleep00-21swapper/019:02:210
2223212414,91sleep00-21swapper/019:02:210
36749911953,8cyclictest0-21swapper/019:37:020
36749911953,8cyclictest0-21swapper/019:37:020
36749911948,17cyclictest3666-21cyclictest21:55:140
36749911635,11cyclictest0-21swapper/021:27:040
129621140,7sleep00-21swapper/000:27:170
36749911336,19cyclictest3786-21cut21:47:360
36749911336,19cyclictest3786-21cut21:47:360
3674991042,42cyclictest11681-21ssh23:50:180
369199952,57cyclictest39-21ksoftirqd/223:12:522
369199952,57cyclictest39-21ksoftirqd/223:12:522
3679999579,8cyclictest0-21swapper/121:37:361
367499943,48cyclictest17380-21ssh23:59:310
3691999273,14cyclictest15613-21kworker/u17:2+events_unbound00:02:012
3679999278,9cyclictest4798-21kworker/u17:0-xprtiod22:52:351
367499904,76cyclictest21894-21rm00:07:240
367499897,76cyclictest1-21systemd22:42:170
367499895,60cyclictest24465-21kworker/u19:0+ext4-rsv-conversion22:52:260
3691998873,11cyclictest3666-21cyclictest20:37:232
3674998864,20cyclictest11261-21kworker/u17:0+nfsiod23:57:050
3674998860,19cyclictest10931-21latency_hist19:27:050
3691998653,10cyclictest181rcu_preempt22:23:552
3674998667,14cyclictest3666-21cyclictest19:52:560
3674998667,14cyclictest3666-21cyclictest19:52:560
3674998662,16cyclictest8911-21gpgv19:22:050
3691998557,9cyclictest181rcu_preempt21:42:252
3691998557,20cyclictest1446-21latency_hist20:37:032
3691998554,10cyclictest181rcu_preempt23:48:162
3679998565,14cyclictest4704-21apt-key20:47:041
3679998549,10cyclictest181rcu_preempt19:07:221
3679998537,16cyclictest181rcu_preempt19:21:431
367999852,41cyclictest31-21ksoftirqd/123:59:091
3674998555,21cyclictest3174-21latency_hist20:42:050
367499853,46cyclictest5086-21apt-get20:47:170
367499853,46cyclictest5086-21apt-get20:47:170
3691998464,14cyclictest10030-21unixbench_singl21:57:392
3691998464,14cyclictest10030-21unixbench_singl21:57:392
3691998455,9cyclictest181rcu_preempt23:38:092
3679998433,12cyclictest181rcu_preempt00:12:221
3674998458,17cyclictest11298-21diskmemload21:27:420
369599834,45cyclictest0-21swapper/319:22:033
369199838,50cyclictest39-21ksoftirqd/220:50:212
369199838,50cyclictest39-21ksoftirqd/220:50:212
3691998367,11cyclictest3666-21cyclictest21:47:122
3691998367,11cyclictest3666-21cyclictest21:47:122
3691998353,10cyclictest181rcu_preempt21:52:272
369199832,39cyclictest39-21ksoftirqd/223:26:382
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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