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2026-03-05 - 02:36
[ 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 #4, slot #6

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: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot6s.osadl.org (updated Thu Mar 05, 2026 00:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
899421900,3sleep08992-21grep19:20:240
40821500,3sleep0409-21latency_hist20:55:010
5418214320,31sleep05419-21sshd19:07:270
2165521270,4chrt21653-21ntp_states20:10:200
1745121210,2sleep017452-21ntpq00:05:200
605321160,4sleep06064-21memory19:10:180
1483821160,3chrt14839-21latency_hist19:45:010
2545421130,2sleep025453-21wc20:25:170
3142321120,4chrt31421-21sed22:55:010
124642990,4sleep012468-21ntp_states21:40:190
209012880,3sleep020902-21sh00:20:000
277032830,3sleep027700-21awk20:35:010
230272825,65sleep023094-21sshd22:20:270
249682784,63sleep025025-21latency_hist22:30:010
278152754,60sleep027817-21irqstats22:40:160
5773996633,24cyclictest16123-21/usr/sbin/munin21:55:140
5773996511,18cyclictest5547-21/usr/sbin/munin23:20:290
577399629,18cyclictest7022-21/usr/sbin/munin21:20:240
5773996222,13cyclictest1-21systemd22:06:270
5773996135,16cyclictest14887-21/usr/sbin/munin21:50:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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