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2026-01-17 - 10:20
[ 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 50 highest latencies:
System rackbslot7.osadl.org (updated Sat Jan 17, 2026 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9977991193,54cyclictest25874-21kworker/u18:0+rpciod00:09:191
954421196,16sleep00-21swapper/019:05:290
9977991163,77cyclictest7502-21apt-get23:34:151
99779911364,14cyclictest8588-21kworker/u17:0+events_unbound20:58:591
99779911364,14cyclictest8588-21kworker/u17:0+events_unbound20:58:591
99779911010,82cyclictest9045-21ssh21:49:171
99779910363,18cyclictest181rcu_preempt19:24:241
99779910363,18cyclictest181rcu_preempt19:24:241
980929713,51sleep19840-21modprobe19:09:001
9972999670,20cyclictest28434-21latency_hist20:04:030
95212966,16sleep20-21swapper/219:05:102
9993999510,61cyclictest0-21swapper/300:09:333
999399903,64cyclictest0-21swapper/323:34:153
9977999067,16cyclictest16855-21diskmemload22:49:251
9972999071,11cyclictest200-21systemd-journal21:38:590
9977998968,15cyclictest19032-21sed22:04:331
9977998860,19cyclictest16855-21diskmemload22:59:021
9977998853,14cyclictest7059-21ssh23:34:011
9977998853,14cyclictest7059-21ssh23:34:011
9972998868,13cyclictest32004-21fschecks_count20:14:210
9972998817,35cyclictest0-21swapper/021:04:150
9985998742,34cyclictest12383-21cut19:14:242
9972998767,14cyclictest24270-21netstat19:50:230
9985998661,18cyclictest6537-21ssh21:44:322
9985998661,18cyclictest6537-21ssh21:44:322
9972998561,17cyclictest12219-21fschecks_count21:54:200
9977998336,32cyclictest1495-21sshd21:36:291
9977998161,16cyclictest17047-21kworker/u17:1+events_unbound22:04:001
9977998161,16cyclictest17047-21kworker/u17:1+events_unbound22:04:001
9977998150,10cyclictest20693-21ssh23:54:481
9977998150,10cyclictest20693-21ssh23:54:481
9972998148,26cyclictest0-21swapper/000:10:230
9972998114,25cyclictest0-21swapper/022:35:520
9985998063,11cyclictest15273-21kworker/u17:3-xprtiod21:39:152
9985998063,11cyclictest15273-21kworker/u17:3-xprtiod21:39:152
9985998062,12cyclictest6360-21systemd-run22:39:002
9985998060,14cyclictest16855-21diskmemload23:46:022
9985998017,27cyclictest11046-21/usr/sbin/munin00:34:002
9985998017,27cyclictest11046-21/usr/sbin/munin00:34:002
9972998063,11cyclictest27722-21ssh22:19:310
9972998039,33cyclictest0-21swapper/000:34:210
9977997962,11cyclictest12044-21cpu21:54:151
9977997961,11cyclictest1947-21proc_pri23:24:331
9977997953,16cyclictest352-21runrttasks19:09:161
9977997928,29cyclictest6625-21sshd00:25:061
9972997964,10cyclictest7901-21rm22:40:030
9972997964,10cyclictest7901-21rm22:40:030
9972997962,11cyclictest10727-21processes19:09:320
9972997959,14cyclictest18524-21latency_hist22:59:030
9977997854,11cyclictest58-21kcompactd000:30:491
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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