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2026-01-16 - 08:19
[ 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 100 highest latencies:
System rack2slot7s.osadl.org (updated Thu Jan 15, 2026 19:55:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1511634997358,13cyclictest0-21swapper/017:50:010
1511634996742,22cyclictest2320646-21sh18:10:110
1511634996334,26cyclictest2316066-21grep18:09:580
1511636996042,13cyclictest1822989-21pipe17:59:332
1511634995944,12cyclictest2398714-21munin-plugin-st18:30:000
1511634995931,3cyclictest0-21swapper/018:40:010
151163499572,14cyclictest1514591-21sh17:15:010
1511634995538,11cyclictest12450irq/32-eth018:00:030
1511636995333,10cyclictest2398708-21latency_hist18:30:012
1511634995340,10cyclictest1700962-21latency_hist17:35:020
1511635995244,5cyclictest2295462-21multi.sh18:09:051
1511634995141,6cyclictest1738575-21sh17:40:030
1511635995041,6cyclictest2379937-21multi.sh18:12:321
1511634995027,5cyclictest0-21swapper/017:24:590
1511635994940,6cyclictest1778974-21multi.sh17:41:551
1511635994940,6cyclictest1-21systemd17:40:011
1511635994940,6cyclictest1-21systemd17:40:011
1511634994937,9cyclictest1737872-21sh17:40:000
1511634994937,9cyclictest1737872-21sh17:40:000
1511636994840,5cyclictest2345427-21sh18:11:112
1511634994841,4cyclictest2395820-21systemctl18:20:010
1511636994737,7cyclictest2315328-21sh18:09:562
1511634994720,3cyclictest1515405-21kworker/u8:9+xprtiod17:55:040
1511635994638,5cyclictest1821367-21fstime17:55:041
1511636994436,5cyclictest1770964-21sh17:41:362
1511636994436,5cyclictest1737529-21multi.sh17:39:592
1511636994436,5cyclictest1737529-21multi.sh17:39:592
1511636994335,5cyclictest1514537-21munin-run17:15:012
1511636994234,5cyclictest1517773-21/usr/sbin/munin17:25:012
1511636994232,7cyclictest2017854-21spawn18:03:402
1511635994234,5cyclictest1819790-21execl17:50:021
1511634994225,9cyclictest12450irq/32-eth018:25:010
1511634994225,9cyclictest12450irq/32-eth018:25:010
1511634994217,17cyclictest1-21systemd18:05:010
1511636994135,3cyclictest1700976-21spawn17:35:012
1511636994133,5cyclictest1821367-21fstime17:55:012
1511635994134,4cyclictest2148473-21spawn18:04:121
151163599411,34cyclictest1513150-21cat17:10:021
1511634993924,11cyclictest0-21swapper/017:10:020
151163699381,32cyclictest2400034-21latency_hist18:35:022
1511636993728,6cyclictest1511640-21systemd-run17:05:012
1511636993728,6cyclictest1-21systemd17:10:012
1511635993718,15cyclictest271ktimers/118:35:041
1511636993629,4cyclictest1508482-21kworker/u8:3-xprtiod17:49:592
1511635993627,6cyclictest636-21in:imuxsock17:35:021
1511636993529,3cyclictest0-21swapper/218:25:012
1511636993529,3cyclictest0-21swapper/218:25:012
1511635993528,4cyclictest1517750-21idleruntime-cro17:25:011
1511635993526,6cyclictest871-21ntpd18:30:001
1511635993524,9cyclictest1514844-21wc17:15:031
1511636993426,5cyclictest1518073-21systemctl17:25:032
1511635993423,8cyclictest1823681-21sh18:00:011
151163499332,26cyclictest1511665-21ps17:05:010
1511634993222,5cyclictest0-21swapper/017:20:000
1511636993121,7cyclictest2395815-21munin-plugin-st18:20:012
1511635993122,6cyclictest1518404-21unixbench_multi17:25:071
1511634993125,4cyclictest0-21swapper/018:35:010
1511636993023,4cyclictest0-21swapper/217:20:012
1511635993021,6cyclictest2397253-21ld18:25:021
1511635993021,6cyclictest2397253-21ld18:25:021
1511636992923,3cyclictest0-21swapper/218:40:002
1511635992923,3cyclictest261rcuc/118:34:571
1511635992922,4cyclictest271ktimers/117:19:591
151163499291,21cyclictest1519240-21pipe17:29:570
1511635992820,3cyclictest171rcu_preempt18:20:001
151163599244,6cyclictest28-21ksoftirqd/117:05:011
151163799200,17cyclictest0-21swapper/317:05:013
151163799194,9cyclictest0-21swapper/317:43:103
151163799191,13cyclictest0-21swapper/317:10:003
151163799181,12cyclictest0-21swapper/318:19:563
1511637991810,5cyclictest0-21swapper/317:35:013
151163799180,12cyclictest0-21swapper/317:29:553
151163799172,11cyclictest0-21swapper/318:00:063
1511637991711,4cyclictest0-21swapper/317:25:013
1511637991710,5cyclictest0-21swapper/318:09:053
151163799170,12cyclictest0-21swapper/318:10:143
151163799169,5cyclictest0-21swapper/318:00:023
151163799162,11cyclictest0-21swapper/317:45:163
151163799161,11cyclictest0-21swapper/318:29:593
151163799161,11cyclictest0-21swapper/317:14:583
151163799151,11cyclictest0-21swapper/317:35:043
151163799151,11cyclictest0-21swapper/317:35:043
151163799151,10cyclictest0-21swapper/318:34:563
151163799151,10cyclictest0-21swapper/318:24:593
151163799151,10cyclictest0-21swapper/318:24:593
151163799150,12cyclictest0-21swapper/317:54:593
151163799150,11cyclictest0-21swapper/318:35:033
151163799141,10cyclictest0-21swapper/317:19:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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