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2026-02-22 - 15:02
[ 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 #7, slot #2

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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot2s.osadl.org (updated Sun Feb 22, 2026 12:48:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
148226599311133,121cyclictest0-21swapper/011:22:060
148226599284213,58cyclictest1499784-21latency_hist08:55:030
148226599284213,58cyclictest1499784-21latency_hist08:55:030
148226599280165,79cyclictest242-21avahi-daemon12:20:050
148226599280165,79cyclictest242-21avahi-daemon12:20:050
148226599279176,69cyclictest1485102-21irqstats07:25:460
148226599277160,100cyclictest0-21swapper/011:41:030
148226599277160,100cyclictest0-21swapper/011:41:030
148226599274174,68cyclictest1540055-21mailstats12:01:560
14822659927387,102cyclictest1521786-21kworker/u10:6+rpciod11:08:380
14822659927387,102cyclictest1521786-21kworker/u10:6+rpciod11:08:380
148226599272198,58cyclictest1523833-21timerwakeupswit10:47:010
148226599272198,58cyclictest1523833-21timerwakeupswit10:47:000
148226599271174,81cyclictest1484427-21ntp_offset07:21:220
148226599271174,81cyclictest1484427-21ntp_offset07:21:210
148226599269156,77cyclictest0-21swapper/009:25:070
148226599269137,116cyclictest0-21swapper/010:28:450
148226599269133,123cyclictest1546433-21ntp_states12:31:320
148226599269133,123cyclictest1546433-21ntp_states12:31:310
148226599268169,84cyclictest1538690-21sed11:56:020
148226599268169,84cyclictest1538690-21sed11:56:020
148226599268159,57cyclictest171rcu_preempt09:26:550
148226599268159,57cyclictest171rcu_preempt09:26:550
148226599268128,124cyclictest0-21swapper/007:30:540
148226599268128,124cyclictest0-21swapper/007:30:540
14822659926787,91cyclictest1518583-21kworker/u10:10+rpciod10:24:240
14822659926787,91cyclictest1518583-21kworker/u10:10+rpciod10:24:240
148226599267182,58cyclictest171rcu_preempt08:45:040
148226599267161,89cyclictest9250irq/88-eth%d11:30:030
148226599266200,52cyclictest1522354-21ssh10:40:560
148226599266198,54cyclictest1531655-21kworker/u9:3+rpciod11:35:060
148226599266198,54cyclictest1531655-21kworker/u9:3+rpciod11:35:060
148226599266198,52cyclictest1488623-21gcc07:46:420
148226599266198,52cyclictest1488623-21gcc07:46:420
148226599266195,55cyclictest1491086-21ntpq08:01:220
148226599266145,104cyclictest1500828-21/usr/sbin/munin09:01:110
148226599265199,53cyclictest1545312-21ntpq12:26:240
148226599265199,53cyclictest1545312-21ntpq12:26:240
148226599265198,54cyclictest1502981-21ps09:12:030
148226599265195,53cyclictest1493422-21irqstats08:15:460
148226599265135,81cyclictest1512853-21mailstats09:57:010
148226599265127,123cyclictest1528923-21ssh11:11:160
148226599265127,123cyclictest1528923-21ssh11:11:160
148226599264147,99cyclictest1487255-21kworker/u10:2+xprtiod07:42:190
148226599263198,51cyclictest1492708-21sshd08:11:100
148226599263198,51cyclictest1492708-21sshd08:11:100
148226599263198,51cyclictest0-21swapper/010:30:430
148226599263195,53cyclictest1495299-21ntp_states08:26:380
148226599263195,53cyclictest1495299-21ntp_states08:26:380
148226599263195,52cyclictest1526749-21collect211:01:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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