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2026-03-09 - 09:01
[ 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 rack0slot2.osadl.org (updated Mon Mar 09, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
141305995957,2cyclictest589510-21kworker/u16:3+events_unbound22:34:395
14089225848,7sleep40-21swapper/419:02:284
141305995654,2cyclictest623343-21kworker/u16:1+events_unbound23:14:445
141305995553,2cyclictest589510-21kworker/u16:3+events_unbound22:54:275
141305995351,2cyclictest623344-21kworker/u16:4+events_unbound23:04:445
141305995350,2cyclictest280649-21kworker/u16:1+events_unbound21:39:265
141307995250,2cyclictest623343-21kworker/u16:1+events_unbound22:54:406
141305995250,2cyclictest765570-21kworker/u16:4+events_unbound23:49:395
141305995249,2cyclictest623344-21kworker/u16:4+events_unbound22:59:265
141305995249,2cyclictest280649-21kworker/u16:1+events_unbound21:59:265
141305995249,2cyclictest280649-21kworker/u16:1+events_unbound20:19:285
141307995149,2cyclictest455547-21kworker/u16:0+flush-8:021:49:426
141307995149,2cyclictest455547-21kworker/u16:0+flush-8:021:49:426
141305995048,2cyclictest780115-21kworker/u16:1+flush-8:023:54:275
141307994947,2cyclictest589510-21kworker/u16:3+events_unbound22:44:446
141305994947,2cyclictest490667-21kworker/u16:2+flush-8:021:54:275
141305994947,2cyclictest280649-21kworker/u16:1+events_unbound21:44:275
141307994845,2cyclictest765570-21kworker/u16:4+events_unbound23:59:146
141305994846,2cyclictest366412-21kworker/u16:2+events_unbound21:29:425
141305994644,2cyclictest684958-21kworker/u16:2+events_unbound00:09:315
141305994644,2cyclictest366412-21kworker/u16:2+flush-8:021:24:395
141307994543,2cyclictest122072-21kworker/u16:3+events_unbound19:34:436
141305994543,2cyclictest837132-21kworker/u16:0+events_unbound00:23:555
141310994439,3cyclictest568803-21tr22:24:317
141307994442,2cyclictest457891-21kworker/u16:4+events_unbound22:24:416
141307994442,2cyclictest457891-21kworker/u16:4+events_unbound21:43:076
141307994442,2cyclictest280649-21kworker/u16:1+events_unbound22:34:446
141305994443,1cyclictest490667-21kworker/u16:2+events_unbound21:49:465
141305994443,1cyclictest490667-21kworker/u16:2+events_unbound21:49:465
141305994442,2cyclictest733786-21kworker/u16:1+events_unbound23:40:505
141305994442,2cyclictest585754-21kworker/u16:0+flush-8:022:29:425
141305994442,2cyclictest428884-21kworker/u16:3+events_unbound21:34:355
141305994341,2cyclictest684958-21kworker/u16:2+flush-8:023:59:405
141305994341,2cyclictest684958-21kworker/u16:2+events_unbound23:21:195
141307994240,2cyclictest684958-21kworker/u16:2+events_unbound23:49:026
141307994240,2cyclictest589510-21kworker/u16:3+events_unbound22:52:146
141307994240,2cyclictest355283-21kworker/u16:0+events_unbound21:20:366
141305994240,2cyclictest684958-21kworker/u16:2+events_unbound23:48:235
141305994240,2cyclictest684958-21kworker/u16:2+events_unbound23:32:435
141307994139,2cyclictest815416-21kworker/u16:3+events_unbound00:10:146
141307994139,2cyclictest672993-21kworker/u16:0+events_unbound23:53:516
141307994139,2cyclictest280649-21kworker/u16:1+events_unbound22:07:196
141307994139,2cyclictest280649-21kworker/u16:1+events_unbound21:29:266
141305994139,2cyclictest706059-21kworker/u16:3+events_unbound23:27:325
141305994139,2cyclictest280649-21kworker/u16:1+events_unbound22:39:345
141310994036,3cyclictest212066-21latency_hist19:39:127
14131099400,38cyclictest542861-21irqcore22:14:307
141307994038,2cyclictest684958-21kworker/u16:2+events_unbound00:15:026
141307994038,2cyclictest366412-21kworker/u16:2+events_unbound21:37:446
141307994038,2cyclictest366412-21kworker/u16:2+events_unbound21:06:366
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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