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2026-02-02 - 22:11
[ 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 02, 2026 12:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
102799912245,33cyclictest0-21swapper/011:03:100
102799911842,30cyclictest30768-21apt-get08:08:100
102799911842,30cyclictest30768-21apt-get08:08:100
102799911530,42cyclictest29122-21ssh11:13:190
102799911444,31cyclictest25468-21apt-get10:13:100
102799911339,30cyclictest29161-21apt-get08:03:060
102799911339,30cyclictest29161-21apt-get08:03:060
102799911149,23cyclictest1797-21apt-get08:18:490
102799911149,23cyclictest1797-21apt-get08:18:490
102799911141,30cyclictest6618-21apt-get08:33:060
102799911139,31cyclictest2647-21apt-get12:18:050
102819911090,14cyclictest7096-21sh09:43:151
102819911090,14cyclictest7096-21sh09:43:151
102799911041,29cyclictest2057-21ssh10:28:100
10285991093,70cyclictest11756-21apt-get08:48:102
102799910931,35cyclictest16552-21latency_hist10:52:570
102799910837,24cyclictest5877-21wc10:33:290
102799910837,24cyclictest5877-21wc10:33:290
102799910836,35cyclictest352-21runrttasks10:42:210
102799910835,26cyclictest0-21swapper/011:58:050
102799910835,26cyclictest0-21swapper/011:58:050
102799910830,28cyclictest13972-21latency_hist11:42:570
102799910734,32cyclictest10263-21apt-get09:48:430
102799910630,38cyclictest9861-21taskset08:43:070
102799910630,38cyclictest9861-21taskset08:43:070
102799910629,43cyclictest13359-21/usr/sbin/munin08:53:050
102799910629,43cyclictest13359-21/usr/sbin/munin08:53:050
102799910626,44cyclictest30112-21open_inodes12:09:210
102799910626,44cyclictest30112-21open_inodes12:09:210
102799910537,26cyclictest0-21swapper/012:03:100
102799910531,34cyclictest0-21swapper/008:38:320
102799910529,42cyclictest24026-21ssh10:09:450
102799910524,35cyclictest0-21swapper/008:17:550
102799910521,41cyclictest0-21swapper/012:13:220
102799910436,47cyclictest9177-21taskset12:28:230
102799910426,43cyclictest30772-21kworker/u18:0+ext4-rsv-conversion08:48:180
102819910311,76cyclictest8264-21apt-get10:38:141
102799910344,20cyclictest27549-21apt-get07:58:100
102799910334,29cyclictest8719-21/usr/sbin/munin11:33:250
102799910334,29cyclictest8719-21/usr/sbin/munin11:33:250
102799910329,31cyclictest13243-21/usr/sbin/munin09:53:130
102799910329,31cyclictest13243-21/usr/sbin/munin09:53:130
102799910250,31cyclictest19266-21kworker/u17:0+xprtiod10:03:060
102799910234,36cyclictest14012-21sed07:17:560
102799910234,36cyclictest14012-21sed07:17:560
102799910234,33cyclictest6492-21apt-get09:43:080
102799910234,33cyclictest6492-21apt-get09:43:080
102799910234,22cyclictest11569-21seq10:43:200
102799910231,39cyclictest27632-21/usr/sbin/munin09:23:190
102799910231,39cyclictest27632-21/usr/sbin/munin09:23:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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