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2026-01-19 - 15:42
[ 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 Mon Jan 19, 2026 07:55:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1448146996856,9cyclictest2262278-21multi.sh06:10:121
1448145996657,6cyclictest1581838-21spawn05:35:000
1448145996451,9cyclictest2262632-21sh06:10:130
1448147996253,5cyclictest2285629-21sh06:11:092
1448146996135,22cyclictest1687497-21sh05:40:421
1448146996135,22cyclictest1687497-21sh05:40:421
1448145995727,27cyclictest1740475-21sh05:42:560
1448145995727,27cyclictest1740475-21sh05:42:560
1448146995548,4cyclictest0-21swapper/105:50:041
1448145995531,21cyclictest2210648-21sh06:08:050
1448147995445,5cyclictest0-21swapper/205:15:012
1448146995339,7cyclictest2243844-21sh06:09:231
1448146995335,14cyclictest1449352-21kernelversion05:10:011
1448145995342,8cyclictest2337705-21latency_hist06:30:020
1448145995227,22cyclictest0-21swapper/005:40:000
144814599522,12cyclictest1756589-21execl05:50:040
1448146995143,4cyclictest0-21swapper/105:40:021
1448145995126,2cyclictest0-21swapper/005:50:010
144814699503,34cyclictest1640721-21latency_hist05:35:021
1448147994941,5cyclictest2182863-21sh06:06:592
1448147994938,8cyclictest563-21avahi-daemon05:51:082
1448146994825,19cyclictest1907845-21spawn06:03:261
1448146994825,19cyclictest1907845-21spawn06:03:261
1448145994829,14cyclictest12450irq/32-eth006:05:020
1448145994829,14cyclictest12450irq/32-eth006:05:020
1448147994738,6cyclictest1734568-21sh05:42:422
1448147994738,6cyclictest1734568-21sh05:42:422
1448147994732,10cyclictest0-21swapper/206:02:482
1448147994732,10cyclictest0-21swapper/206:02:482
1448146994736,5cyclictest0-21swapper/106:35:021
1448147994537,5cyclictest1756348-21Run05:45:192
144814699452,9cyclictest2340680-21munin-run06:40:021
144814699452,16cyclictest1449791-21ntpq05:10:061
1448145994527,9cyclictest12450irq/32-eth005:59:590
1448147994426,14cyclictest2258451-21kworker/u8:2+events_unbound06:25:042
144814799438,30cyclictest1454296-21munin-run05:25:012
1448146994335,5cyclictest1455872-21systemd-run05:30:011
1448146994323,16cyclictest1756589-21execl05:49:511
1448145994334,7cyclictest1451090-21Run05:15:010
1448147994233,6cyclictest1471453-21spawn05:33:332
1448147994233,5cyclictest0-21swapper/206:40:022
1448146994234,5cyclictest2336293-21munin-plugin-st06:25:011
1448146994234,5cyclictest2336293-21munin-plugin-st06:25:011
144814699422,15cyclictest1452977-21latency_hist05:20:021
144814599423,20cyclictest1454535-21cut05:25:030
144814799416,22cyclictest577-21mta-sts-daemon05:25:042
1448146994115,22cyclictest0-21swapper/105:56:141
144814699411,10cyclictest2334719-21ntpq06:19:591
1448147994033,3cyclictest0-21swapper/206:35:022
1448147994032,5cyclictest1448356-21latency_hist05:05:032
1448146994032,4cyclictest0-21swapper/106:30:011
1448146994031,5cyclictest0-21swapper/105:25:011
1448147993930,3cyclictest0-21swapper/205:39:572
1448145993924,12cyclictest0-21swapper/006:20:010
1448147993832,3cyclictest0-21swapper/206:20:012
1448147993829,5cyclictest2336291-21munin-run06:25:012
1448147993829,5cyclictest2336291-21munin-run06:25:012
1448147993726,8cyclictest1759714-21pipe05:58:392
1448145993723,9cyclictest12450irq/32-eth006:35:030
144814699362,5cyclictest1448099-21munin-run05:05:011
1448145993528,3cyclictest0-21swapper/006:25:020
1448145993528,3cyclictest0-21swapper/006:25:020
1448145993426,4cyclictest0-21swapper/005:30:030
1448145993420,7cyclictest12450irq/32-eth006:40:020
1448145993327,4cyclictest1449336-21cron05:10:010
144814799314,23cyclictest1452782-21sendmail-msp05:20:002
1448145993120,9cyclictest0-21swapper/005:20:000
1448147993023,3cyclictest0-21swapper/205:10:012
144814599271,20cyclictest1-21systemd05:05:010
144814999244,8cyclictest0-21swapper/306:05:013
144814999244,8cyclictest0-21swapper/306:05:013
144814999191,9cyclictest0-21swapper/306:09:233
144814999183,8cyclictest0-21swapper/305:30:043
144814999172,7cyclictest0-21swapper/305:55:033
144814999167,7cyclictest0-21swapper/306:00:013
144814999163,7cyclictest0-21swapper/305:39:573
144814999162,8cyclictest0-21swapper/305:20:003
144814999161,7cyclictest0-21swapper/305:45:453
144814999153,7cyclictest0-21swapper/306:20:013
144814999153,6cyclictest0-21swapper/306:25:013
144814999153,6cyclictest0-21swapper/306:25:013
144814999152,9cyclictest0-21swapper/306:10:133
144814999151,7cyclictest0-21swapper/305:30:013
144814999151,7cyclictest0-21swapper/305:10:063
144814999143,7cyclictest0-21swapper/305:05:023
144814999143,5cyclictest0-21swapper/306:30:023
144814999142,8cyclictest0-21swapper/305:25:013
144814999142,7cyclictest0-21swapper/306:35:003
144814999137,4cyclictest0-21swapper/305:42:063
144814999137,4cyclictest0-21swapper/305:42:063
144814999134,5cyclictest0-21swapper/305:10:023
144814999133,5cyclictest0-21swapper/306:40:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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