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2026-01-16 - 18:41
[ 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 highest latencies:
System rack4slot6s.osadl.org (updated Fri Jan 16, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2394923120,5sleep023952-21switchtime07:30:310
2108122540,2sleep021083-21missed_timers07:20:180
3105322400,3sleep031054-21modprobe08:00:010
1205421160,4chrt12055-21mailstats08:50:250
181521130,4sleep01812-21grep08:10:260
1672121120,3chrt16723-21latency_hist09:10:010
2067521060,3sleep020700-21systemctl07:20:010
249132890,3sleep024914-21grep09:40:230
327042860,4sleep032707-21cron12:20:000
237342810,2sleep023803-21sed09:35:260
216182800,2sleep021616-21ps11:35:230
1807327822,33sleep018098-21munin-run07:10:010
303282750,3sleep030329-21vmstat10:00:280
102762724,57sleep010311-21irqstats10:50:150
91702690,2sleep09171-21ntpq10:45:200
18124996928,16cyclictest3058-21/usr/sbin/munin08:15:290
288552684,54sleep028923-21switchtime09:55:250
1812499619,18cyclictest12627-21awk11:00:000
18124996136,16cyclictest5593-21/usr/sbin/munin08:25:240
18124996131,21cyclictest13874-21runrttasks08:58:300
18124996010,21cyclictest26295-21ntpq07:40:200
1812499599,17cyclictest19409-21/usr/sbin/munin09:20:250
1812499599,16cyclictest18597-21cat11:25:020
1812499598,18cyclictest31188-21/usr/sbin/munin08:00:250
18124995935,16cyclictest28777-21/usr/sbin/munin07:50:160
18124995933,15cyclictest16683-21/usr/sbin/munin11:15:130
1812499589,18cyclictest401-21/usr/sbin/munin12:20:260
1812499587,16cyclictest6469-21/usr/sbin/munin08:30:240
18124995835,15cyclictest7880-21/usr/sbin/munin10:40:180
18124995834,16cyclictest2285-21runrttasks12:25:290
18124995833,17cyclictest22088-21/usr/sbin/munin09:30:140
18124995832,15cyclictest15851-21/usr/sbin/munin11:10:280
18124995831,16cyclictest27633-21/usr/sbin/munin07:45:220
18124995811,17cyclictest24975-21ntpq07:35:180
18124995810,15cyclictest18087-21/usr/sbin/munin09:15:250
283832573,8sleep00-21swapper12:01:060
1812499579,16cyclictest307-21munin-node11:05:090
1812499579,15cyclictest32575-21ntpq10:10:190
18124995734,15cyclictest4016-21/usr/sbin/munin08:20:140
18124995734,15cyclictest20047-21/usr/sbin/munin11:30:140
18124995732,17cyclictest26879-21runrttasks11:55:260
18124995731,16cyclictest26046-21/usr/sbin/munin09:45:190
18124995731,16cyclictest1051-21runrttasks08:09:040
18124995730,16cyclictest29178-21/usr/sbin/munin12:05:190
174732573,44sleep00-21swapper09:11:010
1812499569,15cyclictest4258-21/usr/sbin/munin12:35:280
1812499569,15cyclictest3410-21mailstats12:30:240
1812499568,16cyclictest30263-21/usr/sbin/munin12:10:130
1812499568,15cyclictest10601-21chrt08:45:200
1812499567,16cyclictest2428-21modprobe10:20:030
18124995632,15cyclictest24911-21runrttasks11:49:330
1812499559,16cyclictest3845-21if_eth010:25:160
1812499558,17cyclictest12763-21/usr/sbin/munin11:00:290
1812499558,16cyclictest9346-21ntp_states08:40:210
1812499558,15cyclictest14224-21egrep09:00:110
1812499557,15cyclictest7752-21/usr/sbin/munin08:35:110
1812499557,15cyclictest31821-21chrt10:07:060
18124995531,16cyclictest18315-21/usr/sbin/munin07:10:130
18124995530,16cyclictest5504-21/usr/sbin/munin10:30:250
18124995530,16cyclictest27324-21/usr/sbin/munin09:50:170
18124995511,16cyclictest21898-21latency_hist09:30:010
1812499549,17cyclictest7527-21latency_hist10:40:020
1812499549,13cyclictest1123-21/usr/sbin/munin10:15:110
1812499547,15cyclictest25095-21/usr/sbin/munin11:50:130
18124995431,16cyclictest22945-21runrttasks07:27:030
18124995430,16cyclictest23384-21runrttasks11:42:300
18124995430,15cyclictest18746-21/usr/sbin/munin11:25:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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