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2026-01-17 - 19:31
[ 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 Sat Jan 17, 2026 07:55:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
889507998374,6cyclictest1200334-21idleruntime-cro06:00:002
889506997055,6cyclictest0-21swapper/106:10:081
889505996452,8cyclictest1693747-21rm06:10:020
889505996452,8cyclictest1693747-21rm06:10:020
889507995950,4cyclictest0-21swapper/205:50:042
889506995935,21cyclictest1148247-21sort05:41:371
889506995935,21cyclictest1148247-21sort05:41:371
889505995847,6cyclictest12450irq/32-eth005:25:030
889505995847,6cyclictest12450irq/32-eth005:25:030
889505995842,13cyclictest1116295-21sh05:40:070
889505995842,13cyclictest1116295-21sh05:40:070
889506995540,11cyclictest1609394-21syscall06:04:561
889506995540,11cyclictest1609394-21syscall06:04:561
889507995346,3cyclictest0-21swapper/205:40:032
889507995344,6cyclictest1695039-21sort06:10:062
889507995344,6cyclictest1695039-21sort06:10:062
889506995334,15cyclictest1771505-21munin-run06:20:011
889506995334,15cyclictest1771505-21munin-run06:20:011
88950599533,42cyclictest896801-21latency_hist05:30:030
889506995230,18cyclictest1685815-21sh06:09:401
889506995230,18cyclictest1685815-21sh06:09:401
889506995135,10cyclictest1199500-21fstime05:57:491
889507995042,5cyclictest1189976-21sh05:43:222
889507995042,5cyclictest1189976-21sh05:43:222
889507995042,3cyclictest0-21swapper/205:25:022
889507995042,3cyclictest0-21swapper/205:25:022
889506994940,5cyclictest1777285-21sendmail-msp06:40:011
889506994937,8cyclictest1115220-21latency_hist05:40:041
88950699491,18cyclictest893798-21cat05:20:021
889506994840,4cyclictest0-21swapper/105:50:051
889506994839,6cyclictest1078557-21idleruntime-cro05:35:011
889506994839,6cyclictest1078557-21idleruntime-cro05:35:011
889507994739,5cyclictest1703138-21sh06:10:262
889506994726,17cyclictest1196398-21execl05:50:031
889505994640,3cyclictest0-21swapper/005:50:030
889505994636,7cyclictest1712695-21multi.sh06:10:470
889507994537,5cyclictest892813-21kworker/u8:11+xprtiod06:25:002
88950699452,15cyclictest890453-21ntpq05:09:561
889507994435,5cyclictest1610059-21syscall06:05:022
889507994435,5cyclictest1610059-21syscall06:05:022
88950699441,14cyclictest1771819-21ps06:20:041
889505994331,5cyclictest1115203-21wc05:40:000
889507994235,4cyclictest1196399-21execl05:50:022
889507994231,7cyclictest771697-21cups-browsed06:20:032
889507994231,7cyclictest771697-21cups-browsed06:20:032
889506994119,17cyclictest0-21swapper/105:30:031
889506994115,22cyclictest582-21systemd-logind05:05:011
88950699411,11cyclictest1775835-21ntpq06:34:591
889505994117,17cyclictest564-21dbus-daemon05:55:010
889505994030,4cyclictest1610981-21kworker/u8:1-xprtiod06:20:010
889505994030,4cyclictest1610981-21kworker/u8:1-xprtiod06:20:010
889505994027,11cyclictest890677-21mailstats05:10:010
88950799397,12cyclictest171rcu_preempt05:09:462
889507993932,3cyclictest0-21swapper/205:35:042
889507993932,3cyclictest0-21swapper/205:35:042
889505993930,7cyclictest1776113-21latency_hist06:35:020
889506993817,18cyclictest563-21avahi-daemon05:14:441
889506993817,18cyclictest563-21avahi-daemon05:14:441
889506993815,20cyclictest1773675-21unixbench_multi06:25:101
889506993815,20cyclictest1773675-21unixbench_multi06:25:101
88950699381,17cyclictest894483-21fstime05:25:001
88950699381,17cyclictest894483-21fstime05:25:001
889505993824,12cyclictest1199514-21Run05:58:320
889507993729,5cyclictest896443-21pipe05:30:022
889505993729,6cyclictest1339866-21spawn06:03:270
889505993729,6cyclictest1339866-21spawn06:03:270
889505993729,5cyclictest889510-21systemd-run05:05:000
889505993726,8cyclictest0-21swapper/005:35:010
889505993726,8cyclictest0-21swapper/005:35:010
889507993629,4cyclictest893667-21systemd-run05:20:012
889507993528,4cyclictest891578-21cron05:15:012
889507993528,4cyclictest891578-21cron05:15:012
889507993326,3cyclictest0-21swapper/206:30:012
889507993326,3cyclictest0-21swapper/206:30:012
889507993227,2cyclictest0-21swapper/206:35:002
889507993224,5cyclictest1-21systemd05:05:002
88950599323,24cyclictest893723-21date05:20:020
889505993226,4cyclictest1773030-21collect206:25:020
889507993121,6cyclictest1777510-21latency_hist06:40:022
889505993127,2cyclictest0-21swapper/005:15:010
889505993127,2cyclictest0-21swapper/005:15:010
889505993123,5cyclictest0-21swapper/006:30:020
889505993123,5cyclictest0-21swapper/006:30:020
889505993122,7cyclictest1777227-21missed_timers06:40:010
88950899222,10cyclictest0-21swapper/305:30:023
88950899203,9cyclictest0-21swapper/306:10:043
88950899203,9cyclictest0-21swapper/306:10:043
88950899203,12cyclictest0-21swapper/305:56:183
88950899195,8cyclictest0-21swapper/306:10:083
88950899195,8cyclictest0-21swapper/305:40:053
88950899195,8cyclictest0-21swapper/305:40:053
88950899185,8cyclictest0-21swapper/305:50:023
88950899184,8cyclictest0-21swapper/305:35:023
88950899184,8cyclictest0-21swapper/305:35:023
88950899184,7cyclictest0-21swapper/305:40:043
88950899184,10cyclictest0-21swapper/306:05:013
88950899184,10cyclictest0-21swapper/306:05:013
88950899182,7cyclictest0-21swapper/305:15:063
88950899182,11cyclictest0-21swapper/305:50:043
88950899173,9cyclictest0-21swapper/306:35:003
88950899172,8cyclictest0-21swapper/306:24:593
88950899163,9cyclictest0-21swapper/306:40:023
88950899162,8cyclictest0-21swapper/306:20:023
88950899162,8cyclictest0-21swapper/306:20:023
88950899152,9cyclictest0-21swapper/305:25:033
88950899152,9cyclictest0-21swapper/305:25:033
88950899151,8cyclictest0-21swapper/306:30:033
88950899151,8cyclictest0-21swapper/306:30:033
88950899143,6cyclictest0-21swapper/305:15:023
88950899143,6cyclictest0-21swapper/305:15:023
88950899143,6cyclictest0-21swapper/305:09:473
8895089991,4cyclictest0-21swapper/305:05:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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