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2026-02-13 - 20:07
[ 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 13, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
314222570,2sleep03141-21tr09:45:180
1483122140,3sleep014829-21grep08:25:180
3038721190,3chrt30383-21ntpq09:25:210
3157421170,2sleep031573-21open_files11:35:220
1347521150,4chrt13476-21/usr/sbin/munin10:25:210
2394921120,4sleep023653-21/usr/sbin/munin09:00:230
1477521050,2sleep014773-21mailstats12:35:270
275999910076,14cyclictest6773-21wc07:55:020
27599999974,15cyclictest9764-21mailstats10:10:250
196472970,4sleep019664-21cpu10:50:110
173912960,4sleep017440-21ntp_kernel_pll_08:35:210
27599999573,12cyclictest7195-21/usr/sbin/munin07:55:250
27599999473,12cyclictest4571-21ntpq07:45:210
27599999466,16cyclictest9428-21ntp_states12:15:220
27599999163,17cyclictest27311-21wc11:20:010
27599999162,18cyclictest22179-21chrt08:54:460
27599999159,20cyclictest30563-21ls11:30:270
107852890,3sleep010853-21/usr/sbin/munin12:20:240
27599998860,17cyclictest12786-21chrt10:22:370
27599998760,16cyclictest8595-21chrt12:11:340
27599998659,15cyclictest1052-21chrt09:36:530
27599998657,16cyclictest7094-21timerandwakeup12:05:270
27599998655,18cyclictest31455-21/usr/sbin/munin09:30:260
27599998561,16cyclictest22617-21ntpq08:55:210
27599998560,17cyclictest25343-21/usr/sbin/munin09:05:260
27599998560,15cyclictest29795-21seq11:29:310
27599998559,15cyclictest24918-21if_err_eth011:10:140
27599998558,18cyclictest3094-21sendmail_mailqu11:50:260
27599998557,16cyclictest9885-21grep08:05:250
27599998554,20cyclictest6350irq/103-63fec0010:30:190
27599998460,13cyclictest27601-21/usr/sbin/munin11:20:170
27599998459,16cyclictest12953-21grep12:30:020
27599998458,17cyclictest16046-21uname08:30:160
27599998458,15cyclictest18455-21/usr/sbin/munin10:45:150
27599998456,20cyclictest29712-21chrt09:22:400
27599998456,18cyclictest1330-21latency_hist11:45:020
27599998455,19cyclictest5534-21ntpq12:00:190
27599998455,18cyclictest6350irq/103-63fec0010:15:240
27599998455,17cyclictest6350irq/103-63fec0007:35:240
27599998363,12cyclictest9041-21seq10:08:480
27599998356,18cyclictest10783-21runrttasks08:10:120
27599998354,18cyclictest1587-21/usr/sbin/munin09:40:130
27599998260,14cyclictest7015-21/usr/sbin/munin10:00:200
27599998259,12cyclictest5102-21chrt11:59:520
27599998257,14cyclictest16360-21/usr/sbin/munin10:35:290
27599998256,14cyclictest14178-21modprobe12:35:000
27599998255,17cyclictest27695-21/usr/sbin/munin07:10:290
27599998254,19cyclictest13308-21sed08:20:020
27599998160,13cyclictest8693-21/usr/sbin/munin08:00:290
27599998159,13cyclictest18297-21latency_hist10:45:010
27599998158,14cyclictest30484-21memory07:20:150
27599998154,15cyclictest22484-21netstat11:00:180
27599998058,14cyclictest13793-21mailstats08:20:250
27599998057,13cyclictest29170-21memory07:15:190
27599998056,14cyclictest27854-21/usr/sbin/munin09:15:240
27599998056,13cyclictest4433-21/usr/sbin/munin09:50:200
27599997957,13cyclictest3263-21ntpq07:40:200
27599997956,13cyclictest23600-21entropy11:05:130
27599997955,16cyclictest1-21systemd11:45:250
27599997954,15cyclictest381-21runrttasks07:30:010
27599997856,13cyclictest20134-21processes08:45:250
27599997856,13cyclictest18586-21ls08:40:150
27599997852,16cyclictest5725-21ntp_states09:55:210
27599997851,17cyclictest26235-21/usr/sbin/munin09:10:230
27599997754,13cyclictest31590-21cpu07:25:110
27599997753,15cyclictest21859-1kworker/0:1H07:10:030
27599997749,18cyclictest6350irq/103-63fec0010:55:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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