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2026-02-21 - 22:19
[ 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 Sat Feb 21, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1601921490,2sleep016016-21grep09:35:250
552521300,2sleep05527-21grep08:55:200
1082721150,4chrt10828-21timerandwakeup11:20:280
1724721120,4chrt17249-21sed07:35:170
2313121070,3chrt23132-21latency_hist12:10:020
926821060,2sleep09269-21if_err_eth009:10:160
420221030,4sleep04248-21awk10:55:260
3139421010,4sleep031399-21/usr/sbin/munin10:35:230
2505321010,3sleep025117-21mailstats10:10:270
2627021000,4sleep026345-21grep12:20:260
264722970,4sleep026522-21users10:15:260
10521999667,17cyclictest13507-21ntp_states07:20:210
10521999665,19cyclictest16802-21df_inode11:45:130
10521999465,17cyclictest18317-21ntp_states11:50:220
10521999465,16cyclictest18528-21irqstats07:40:170
10521999364,20cyclictest24973-21/usr/sbin/munin08:05:150
10521999163,15cyclictest14227-21fw_packets11:35:130
10521999162,18cyclictest5245-21/usr/sbin/munin11:00:150
286552900,4sleep028672-21/usr/sbin/munin12:30:230
10521999065,15cyclictest10811-21/usr/sbin/munin07:10:170
10521999063,18cyclictest6534-21/usr/sbin/munin11:05:170
10521999063,18cyclictest14793-21/usr/sbin/munin07:25:210
10521999063,17cyclictest1557-21irqstats08:40:180
10521998962,16cyclictest24765-21ntp_states12:15:220
10521998962,15cyclictest288-21snmpd09:45:130
10521998960,19cyclictest19815-21/usr/sbin/munin09:50:240
10521998865,13cyclictest27253-21chrt10:20:100
10521998862,16cyclictest21210-21users12:00:300
10521998862,15cyclictest9440-21/usr/sbin/munin11:15:260
10521998862,15cyclictest16070-21grep07:30:210
10521998862,14cyclictest19898-21users11:55:290
10521998860,17cyclictest4167-21load08:50:170
10521998851,22cyclictest22080-21/usr/sbin/munin10:00:150
10521998764,13cyclictest276-21runrttasks09:29:460
10521998763,14cyclictest31012-21seq08:28:530
10521998761,16cyclictest28611-21seq10:25:140
10521998753,20cyclictest22230-21/usr/sbin/munin07:55:150
10521998664,13cyclictest6755-21load09:00:170
10521998664,13cyclictest20368-21sshd07:46:180
10521998663,13cyclictest11963-21/usr/sbin/munin07:15:140
10521998659,16cyclictest21563-21runrttasks07:50:330
10521998656,20cyclictest2885-21/usr/sbin/munin08:45:170
10521998650,12cyclictest13450-21users11:30:260
10521998643,16cyclictest21385-21sshd09:55:330
10521998562,14cyclictest16283-21chrt11:42:180
10521998561,13cyclictest8155-21chrt09:05:220
10521998558,14cyclictest30321-21seq12:36:060
10521998556,19cyclictest10500-21df_inode09:15:140
10521998461,13cyclictest17208-21ntp_states09:40:220
10521998455,19cyclictest23433-21df_inode10:05:130
10521998452,19cyclictest11761-21/usr/sbin/munin09:20:260
10521998361,13cyclictest28994-21/usr/sbin/munin08:20:220
10521998360,13cyclictest27303-21wc08:15:020
10521998359,15cyclictest27454-21runrttasks08:15:130
10521998358,14cyclictest7771-21/usr/sbin/munin11:10:130
10521998357,15cyclictest1243-21/usr/sbin/munin10:45:180
10521998355,15cyclictest15065-21seq09:31:330
10521998354,15cyclictest27218-21irqstats12:25:170
10521998353,18cyclictest1119-21munin-run10:45:000
10521998338,20cyclictest23543-21egrep08:00:110
10521998256,15cyclictest29939-21runrttasks10:30:170
10521998256,14cyclictest389-21ntp_states08:35:210
1047028222,33sleep010494-21munin-run07:10:010
10521998141,16cyclictest12796-21sort11:30:000
10521998059,13cyclictest23725-21runrttasks12:10:280
10521998056,14cyclictest114-21systemd-journal10:55:000
10521998055,15cyclictest31462-21load08:30:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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