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2026-02-08 - 10:03
[ 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 #5, slot #3

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.
Unexpectedly long latencies may be caused by SMIs
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 50 highest latencies:
System rack5slot3s.osadl.org (updated Sun Feb 08, 2026 00:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
257222238164,24sleep20-21swapper/219:09:482
254612202165,25sleep10-21swapper/119:06:241
254722201164,25sleep00-21swapper/019:06:320
255322199161,26sleep30-21swapper/319:07:193
2505421850,5sleep22583699cyclictest21:30:252
1017321530,3sleep22583699cyclictest19:45:142
3145921440,4sleep22583699cyclictest19:20:142
2073921270,2sleep30-21swapper/323:50:123
164182730,2sleep30-21swapper/320:00:123
12202620,3sleep30-21swapper/300:20:023
209222600,4sleep02582399cyclictest20:10:120
82172510,5sleep02582399cyclictest20:55:110
100602460,1sleep010063-21sed23:25:170
25841993936,2cyclictest0-21swapper/320:52:173
2582399387,14cyclictest21136-21munin-run21:25:010
25841993210,9cyclictest11718-21sadc19:50:013
2582999311,18cyclictest22317-21df22:40:121
2584199292,15cyclictest383-21tune2fs21:50:143
2582399291,13cyclictest5742-21munin-run20:50:010
2584199283,22cyclictest8791-21/usr/sbin/munin22:10:233
2584199282,9cyclictest16734-21latency_hist21:15:033
2584199281,6cyclictest780-21in:imjournal23:10:013
2584199281,15cyclictest26830-21ntp_states21:35:203
2582399285,11cyclictest1031-21perf00:20:010
2584199271,11cyclictest5040-21gltestperf22:00:163
2584199270,16cyclictest4208-21ntp_kernel_pll_19:30:203
2582999278,10cyclictest28921-21acpi19:15:111
2582399270,12cyclictest11729-21awk19:50:010
2584199267,7cyclictest27828-21kernelversion00:05:183
2584199265,19cyclictest88150irq/126-enp1s0-22:57:113
2584199264,20cyclictest0-21swapper/323:55:113
2584199261,16cyclictest0-21swapper/323:11:223
2582999263,3cyclictest26397-21sshd22:50:111
2582999263,3cyclictest26397-21sshd22:50:111
2582999260,18cyclictest0-21swapper/122:10:111
2582399268,15cyclictest9825-21munin-run00:40:010
2582399260,12cyclictest13598-21perf23:35:010
2584199252,7cyclictest580-21systemd-journal19:55:013
2584199252,7cyclictest17452-21timerwakeupswit23:40:243
25841992514,2cyclictest0-21swapper/323:35:123
2584199251,14cyclictest0-21swapper/300:28:233
2584199250,13cyclictest0-21swapper/322:05:143
2582399253,9cyclictest81ktimersoftd/021:55:020
2582399253,10cyclictest20532-21cpuspeed_turbos23:50:110
2584199247,7cyclictest7275-21cpu23:20:133
2584199246,8cyclictest21359-21/usr/sbin/munin21:25:213
2584199246,6cyclictest14425-21fgrep22:20:233
2584199246,4cyclictest23568-21/usr/sbin/munin22:40:243
2584199245,6cyclictest22005-21/usr/sbin/munin20:10:243
2584199243,11cyclictest6227-21/usr/sbin/munin19:35:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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