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2026-02-20 - 21:57
[ 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 100 highest latencies:
System rack4slot6s.osadl.org (updated Fri Feb 20, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2621222480,2sleep026213-21if_eth011:05:150
2982122460,2sleep029822-21sshd07:07:180
1972021140,3chrt19658-21latency_hist08:35:010
162121140,5chrt1620-21/usr/sbin/munin11:35:180
1363721140,2sleep013635-21switchtime10:15:260
546421110,3chrt5465-21sort11:50:190
1714721040,2sleep017148-21latency_hist08:25:010
56521010,2sleep0566-21ls11:30:260
3026521010,4chrt30263-21irqstats09:15:140
149322930,3sleep015007-21awk08:15:250
16112846,66sleep01635-21/usr/sbin/munin09:30:150
3672820,2sleep0368-21cat09:25:150
30193996124,12cyclictest10900-21switchtime12:10:240
30193996110,18cyclictest27542-21/usr/sbin/munin09:05:250
3019399608,16cyclictest1720-21/usr/sbin/munin07:25:270
30193996034,17cyclictest28912-21/usr/sbin/munin09:10:140
30193996034,16cyclictest26340-21/usr/sbin/munin09:00:150
30193996025,26cyclictest3068-21/usr/sbin/munin11:40:250
3019399599,18cyclictest3962-21/usr/sbin/munin11:45:160
30193995935,15cyclictest18410-21/usr/sbin/munin10:35:130
3019399589,16cyclictest6878-21/usr/sbin/munin07:45:270
3019399589,16cyclictest17405-21memory08:25:190
3019399588,16cyclictest12142-21ntp_kernel_pll_10:10:200
3019399588,15cyclictest4284-21munin-node07:35:090
3019399586,20cyclictest11692-21/usr/sbin/munin12:15:140
30193995833,17cyclictest6927-21/usr/sbin/munin11:55:250
30193995833,16cyclictest6443-21runrttasks07:42:290
30193995832,16cyclictest2969-21/usr/sbin/munin09:35:140
30193995813,16cyclictest216-21rs:main0
3019399579,16cyclictest27368-21/usr/sbin/munin11:10:250
3019399578,18cyclictest17189-21sshd10:30:180
3019399578,17cyclictest7837-21/usr/sbin/munin12:00:260
3019399578,13cyclictest14770-21ntp_states10:20:220
3019399577,15cyclictest5425-21/usr/sbin/munin09:45:280
30193995732,16cyclictest30458-21/usr/sbin/munin11:20:280
30193995731,17cyclictest24605-21runrttasks08:53:200
30193995731,17cyclictest22109-21latency_hist10:50:010
30193995731,16cyclictest7527-21runrttasks09:52:180
30193995712,15cyclictest29831-21munin-run11:20:000
30193995711,16cyclictest22470-21/usr/sbin/munin08:45:140
30193995710,15cyclictest24989-21df08:55:120
3019399569,15cyclictest31441-21/usr/sbin/munin09:20:280
3019399568,16cyclictest4141-21/usr/sbin/munin09:40:190
3019399568,16cyclictest30509-21wc07:10:180
3019399568,15cyclictest24789-21/usr/sbin/munin11:00:160
3019399568,15cyclictest13010-21/usr/sbin/munin12:20:190
3019399567,17cyclictest9445-21/usr/sbin/munin07:55:240
3019399567,17cyclictest19778-21/usr/sbin/munin08:35:240
3019399567,17cyclictest13333-21/usr/sbin/munin08:10:260
3019399567,16cyclictest19632-21/usr/sbin/munin10:40:200
3019399567,15cyclictest431-21/usr/sbin/munin07:20:180
30193995633,15cyclictest10653-21runrttasks10:05:130
30193995631,15cyclictest21675-21/usr/sbin/munin08:40:280
30193995629,16cyclictest14841-21/usr/sbin/munin12:25:260
30193995628,18cyclictest8237-21/usr/sbin/munin07:50:140
30193995626,22cyclictest32504-21runrttasks07:18:060
30193995611,18cyclictest9415-21ntp_states12:05:220
30193995610,18cyclictest276-21runrttasks12:30:530
3019399559,15cyclictest18031-21munin-run12:40:000
3019399559,14cyclictest3144-21irqstats07:30:160
3019399558,16cyclictest31261-21/usr/sbin/munin11:25:280
3019399557,15cyclictest307-21munin-node10:25:120
30193995533,14cyclictest12786-21runrttasks08:06:350
30193995530,16cyclictest23544-21runrttasks10:55:130
3019399546,16cyclictest9469-21cat10:00:170
3019399538,16cyclictest285-21sshd09:59:190
30193995315,14cyclictest22076-21latency_hist10:50:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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