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2026-01-14 - 08:51
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #2, slot #7

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

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 792 highest latencies:
System rack2slot7s.osadl.org (updated Tue Jan 13, 2026 19:55:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
953294996453,7cyclictest1762361-21grep18:10:041
953294996453,7cyclictest1762361-21grep18:10:041
953293996345,15cyclictest0-21swapper/017:49:590
953295996039,12cyclictest1086720-21spawn17:34:572
953295996039,12cyclictest1086720-21spawn17:34:572
953295995945,11cyclictest1838553-21awk18:25:002
953294995950,6cyclictest953311-21sendmail_mailtr17:05:021
953295995732,21cyclictest1760919-21sh18:10:002
953295995732,21cyclictest1760919-21sh18:10:002
953295995730,23cyclictest1181300-21sh17:40:122
953294995747,6cyclictest1763903-21tee18:10:091
953294995747,4cyclictest0-21swapper/117:40:051
953293995748,6cyclictest1757426-21sh18:09:500
953293995748,6cyclictest1757426-21sh18:09:500
953293995744,8cyclictest1138247-21spawn17:34:590
953293995744,8cyclictest1138247-21spawn17:34:590
953293995649,4cyclictest1764737-21rm18:10:120
953295995540,10cyclictest1260800-21execl17:49:582
953294995549,3cyclictest0-21swapper/117:40:001
953294995549,3cyclictest0-21swapper/117:40:001
953295995433,18cyclictest0-21swapper/217:40:012
953295995433,18cyclictest0-21swapper/217:40:012
953294995342,8cyclictest1142675-21spawn17:35:021
953294995342,8cyclictest1142675-21spawn17:35:021
953293995345,5cyclictest1178796-21wc17:40:020
953293995345,5cyclictest1178796-21wc17:40:020
953295995224,24cyclictest1804096-21sh18:11:452
953294995042,5cyclictest954629-21idleruntime-cro17:10:011
953293994937,8cyclictest0-21swapper/017:25:010
953293994937,8cyclictest0-21swapper/017:25:010
953293994933,13cyclictest1198806-21sort17:41:010
953295994826,19cyclictest1403578-21spawn18:03:292
953295994739,5cyclictest1836985-21sendmail18:20:002
953295994738,6cyclictest956122-21ls17:15:012
953295994636,4cyclictest0-21swapper/217:30:012
953295994634,8cyclictest0-21swapper/217:51:582
953294994637,6cyclictest1260799-21execl17:50:021
953295994535,6cyclictest1840243-21latency_hist18:30:022
953293994523,17cyclictest0-21swapper/017:51:480
953293994438,4cyclictest1409929-21spawn18:03:240
953295994319,20cyclictest959328-21cron17:25:012
953295994319,20cyclictest959328-21cron17:25:012
953295994217,2cyclictest0-21swapper/217:59:552
953294994234,5cyclictest960859-21ls17:30:001
95329499401,35cyclictest958598-21fstime17:24:581
95329499401,35cyclictest958598-21fstime17:24:581
953295993931,5cyclictest954632-21munin-plugin-st17:10:012
953294993830,5cyclictest1432502-21spawn18:03:291
953295993714,4cyclictest0-21swapper/218:40:022
953294993629,4cyclictest956105-21cron17:15:011
953293993624,9cyclictest0-21swapper/017:20:010
95329399361,23cyclictest960850-21latency_hist17:30:020
953295993527,5cyclictest0-21swapper/217:20:012
953294993528,3cyclictest0-21swapper/118:35:021
95329499351,28cyclictest1264310-21pipe17:59:531
953293993529,4cyclictest1836980-21idleruntime-cro18:20:000
953293993520,10cyclictest12450irq/32-eth017:15:010
953295993427,4cyclictest0-21swapper/218:35:012
953294993422,7cyclictest1262380-21fstime17:54:461
953293993425,6cyclictest1263853-21fstime17:56:130
953294993324,6cyclictest1840078-21idleruntime-cro18:30:011
953294993324,4cyclictest0-21swapper/118:20:021
953293993214,15cyclictest563-21avahi-daemon17:10:010
953294993125,3cyclictest1842956-21kworker/u8:6-xprtiod18:40:011
953293993120,8cyclictest0-21swapper/018:30:000
95329399311,24cyclictest1842983-21munin-run18:40:010
953294993022,5cyclictest0-21swapper/117:20:011
953295992922,4cyclictest953364-21mailstats17:05:022
953294992923,3cyclictest0-21swapper/118:25:011
953293992922,5cyclictest3837257-21cups-browsed18:34:570
953293992518,5cyclictest0-21swapper/017:05:020
953293992515,7cyclictest1838552-21munin-run18:25:000
95329699222,9cyclictest0-21swapper/317:30:013
95329699191,11cyclictest0-21swapper/318:10:123
95329699173,9cyclictest0-21swapper/318:10:063
95329699173,9cyclictest0-21swapper/318:10:063
95329699172,9cyclictest0-21swapper/317:15:013
95329699163,7cyclictest0-21swapper/317:39:593
95329699163,7cyclictest0-21swapper/317:39:593
95329699162,8cyclictest0-21swapper/318:00:483
95329699162,10cyclictest0-21swapper/317:49:573
95329699161,7cyclictest0-21swapper/318:20:003
95329699161,10cyclictest0-21swapper/317:56:143
95329699152,6cyclictest0-21swapper/318:35:003
95329699142,8cyclictest0-21swapper/317:25:013
95329699142,8cyclictest0-21swapper/317:25:013
95329699142,7cyclictest0-21swapper/317:44:503
95329699131,6cyclictest0-21swapper/318:39:573
95329699122,8cyclictest0-21swapper/317:34:543
95329699122,8cyclictest0-21swapper/317:34:543
95329699122,7cyclictest0-21swapper/317:51:583
95329699122,6cyclictest0-21swapper/317:19:573
95329699115,4cyclictest0-21swapper/317:10:013
95329699111,6cyclictest0-21swapper/318:25:063
9532969993,5cyclictest0-21swapper/318:20:043
9532969982,4cyclictest0-21swapper/317:05:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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