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2026-01-18 - 19:57
[ 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 highest latencies:
System rack2slot7s.osadl.org (updated Sun Jan 18, 2026 07:55:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3272758996858,6cyclictest3497277-21rm05:40:012
3272758996554,7cyclictest4074851-21rm06:10:102
3272756995847,8cyclictest3580268-21Run05:57:500
3272757995746,7cyclictest4072945-21sh06:10:011
3272757995746,7cyclictest4072945-21sh06:10:011
3272756995649,4cyclictest4141902-21sh06:12:540
3272758995443,8cyclictest3582169-21Run06:02:542
3272758995345,5cyclictest4073251-21wc06:10:042
3272758995343,6cyclictest4074881-21multi.sh06:10:112
3272758995241,7cyclictest564-21dbus-daemon05:15:012
3272758995241,7cyclictest564-21dbus-daemon05:15:012
3272758995231,12cyclictest3278925-21/usr/sbin/munin05:25:012
3272756995235,14cyclictest0-21swapper/005:40:010
3272757995141,7cyclictest3581097-21kworker/u8:9+xprtiod06:10:171
3272756995133,14cyclictest4074851-21rm06:10:100
3272756995043,3cyclictest0-21swapper/006:10:010
3272756995040,7cyclictest3577170-21execl05:50:020
3272756995040,7cyclictest3577170-21execl05:50:020
3272758994839,6cyclictest4152574-21processes06:40:012
3272757994840,5cyclictest3497215-21od05:40:001
3272758994739,5cyclictest3577171-21execl05:50:032
3272758994739,5cyclictest3577171-21execl05:50:032
3272757994739,5cyclictest3577041-21Run05:47:201
3272757994739,5cyclictest3577041-21Run05:47:201
327275799473,34cyclictest3576109-21munin-run05:45:011
3272756994733,11cyclictest3536353-21grep05:41:550
3272758994638,5cyclictest3553025-21sort05:42:382
3272757994620,7cyclictest171rcu_preempt05:50:071
3272757994620,7cyclictest171rcu_preempt05:50:071
3272756994629,9cyclictest12450irq/32-eth005:30:010
3272756994629,9cyclictest12450irq/32-eth005:30:010
3272758994435,6cyclictest4149276-21cut06:25:012
3272757994329,9cyclictest4147825-21latency_hist06:20:021
3272758994233,4cyclictest3578244-21execl05:50:192
3272758994233,4cyclictest3578244-21execl05:50:192
3272757994233,4cyclictest0-21swapper/106:30:021
3272756994233,6cyclictest3463162-21spawn05:35:020
3272756994233,6cyclictest3463162-21spawn05:35:020
3272756994226,11cyclictest151ktimers/006:39:570
3272757994135,3cyclictest0-21swapper/105:30:021
3272757994135,3cyclictest0-21swapper/105:30:021
3272757994133,5cyclictest3277357-21grep05:20:001
3272757994132,6cyclictest1-21systemd05:35:021
3272757994132,6cyclictest1-21systemd05:35:021
3272758994030,7cyclictest3463615-21spawn05:35:032
3272758994030,7cyclictest3463615-21spawn05:35:032
327275899402,32cyclictest3274255-21unin-run05:10:012
3272756994033,3cyclictest0-21swapper/006:20:010
3272756994031,6cyclictest3578699-21Run05:52:540
3272756994031,6cyclictest3578699-21Run05:52:540
3272756994027,8cyclictest3275950-21ld05:15:030
3272756994027,8cyclictest3275950-21ld05:15:030
3272758993831,4cyclictest3580520-21pipe06:00:012
3272757993830,5cyclictest3274264-21systemd05:10:021
3272757993829,6cyclictest3894049-21spawn06:04:091
3272756993829,6cyclictest3887905-21spawn06:04:080
3272758993730,3cyclictest0-21swapper/206:30:012
3272757993630,3cyclictest0-21swapper/105:05:011
3272757993628,5cyclictest4152597-21systemctl06:40:011
3272757993618,14cyclictest564-21dbus-daemon05:57:061
3272756993628,5cyclictest4149251-21run-parts06:25:010
3272756993627,6cyclictest0-21swapper/005:25:010
3272757993526,6cyclictest3275726-21ld05:15:011
3272757993526,6cyclictest3275726-21ld05:15:011
3272758993427,4cyclictest3279655-21head05:25:122
3272758993427,4cyclictest3279655-21head05:25:122
3272757993427,4cyclictest4149273-21cmp06:25:011
3272757993412,10cyclictest271ktimers/106:34:231
3272756993427,3cyclictest0-21swapper/005:20:000
3272756993426,5cyclictest4150729-21idleruntime-cro06:30:010
3272756993124,4cyclictest0-21swapper/005:10:020
327275799303,22cyclictest3279061-21latency_hist05:25:021
3272756993011,13cyclictest1-21systemd05:05:010
327275899292,22cyclictest4147778-21munin-run06:20:022
3272758992921,5cyclictest3277340-21ntpq05:20:002
327275899261,19cyclictest3272825-21date05:05:022
327275699260,4cyclictest171rcu_preempt06:34:220
3272758992519,3cyclictest0-21swapper/206:35:022
327275999194,6cyclictest0-21swapper/305:50:043
327275999192,9cyclictest0-21swapper/306:05:023
327275999182,7cyclictest0-21swapper/306:10:073
327275999182,7cyclictest0-21swapper/306:10:073
327275999173,9cyclictest0-21swapper/305:57:073
327275999173,8cyclictest0-21swapper/305:45:033
327275999173,7cyclictest0-21swapper/306:30:023
327275999164,8cyclictest0-21swapper/305:20:013
327275999163,9cyclictest0-21swapper/305:50:053
327275999163,9cyclictest0-21swapper/305:50:053
327275999162,8cyclictest0-21swapper/305:10:023
327275999161,8cyclictest0-21swapper/305:05:023
327275999161,7cyclictest0-21swapper/305:35:083
327275999153,7cyclictest0-21swapper/306:25:033
327275999144,6cyclictest0-21swapper/306:20:013
327275999143,8cyclictest0-21swapper/305:15:013
327275999143,8cyclictest0-21swapper/305:15:013
327275999143,7cyclictest0-21swapper/305:25:033
327275999143,7cyclictest0-21swapper/305:25:033
327275999142,8cyclictest0-21swapper/305:35:023
327275999142,8cyclictest0-21swapper/305:35:023
327275999142,8cyclictest0-21swapper/305:25:013
327275999142,7cyclictest0-21swapper/306:40:013
327275999142,7cyclictest0-21swapper/305:50:033
327275999135,5cyclictest0-21swapper/306:34:223
327275999132,9cyclictest0-21swapper/306:10:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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