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2026-03-01 - 15:48
[ 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 792 highest latencies:
System rack4slot6s.osadl.org (updated Sun Mar 01, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
898322520,2sleep08981-21ps12:15:250
1034421430,2sleep010345-21if_eth008:10:150
2563421290,3sleep025635-21basename11:15:130
270959912530,17cyclictest16608-21/usr/sbin/munin10:40:120
2464521210,4chrt24648-21processes11:10:250
2449621210,3chrt24494-21df_inode09:05:120
2990821200,3chrt29906-21ntp_states09:25:210
270959911831,12cyclictest30623-21runrttasks07:22:200
270959911829,14cyclictest14937-21runrttasks08:27:180
270959911828,17cyclictest380-21runrttasks11:42:130
270959911725,16cyclictest11477-21/usr/sbin/munin10:20:150
270959911631,15cyclictest26490-21runrttasks09:11:450
270959911631,13cyclictest10566-21/usr/sbin/munin10:15:250
270959911627,15cyclictest13476-21runrttasks10:27:170
270959911624,16cyclictest3868-21/usr/sbin/munin07:45:150
270959911526,15cyclictest11876-21runrttasks12:26:090
270959911430,14cyclictest27899-21runrttasks07:11:190
270959911429,14cyclictest28850-21runrttasks11:26:120
270959911429,13cyclictest8786-21runrttasks08:04:490
270959911326,15cyclictest21362-21runrttasks08:52:100
270959911325,15cyclictest20460-21latency_hist08:50:020
270959911325,15cyclictest11918-21/usr/sbin/munin08:15:250
3224821120,3chrt32245-21df_inode09:35:130
27095991127,17cyclictest21690-21/usr/sbin/munin11:00:130
270959911125,15cyclictest23858-21runrttasks09:01:160
1948421110,4chrt19487-21processes10:50:250
1842121110,4chrt18423-21grep08:40:250
27095991098,16cyclictest20429-21df10:55:120
270959910924,14cyclictest4498-21runrttasks09:52:540
605821080,3chrt6061-21cpu12:05:120
27095991089,17cyclictest12894-21df_inode08:20:150
27095991089,15cyclictest22977-21/usr/sbin/munin11:05:130
27095991088,16cyclictest9385-21awk08:05:240
27095991079,28cyclictest114-21systemd-journal07:52:310
27095991079,18cyclictest7578-21sort10:05:130
27095991079,14cyclictest28065-21seq09:19:060
1590621070,2sleep015904-21threads08:30:260
27095991069,14cyclictest26864-21/usr/sbin/munin11:20:250
27095991068,15cyclictest2813-21sed09:45:260
27095991068,13cyclictest907-21df_inode11:45:120
27095991067,15cyclictest30902-21/usr/sbin/munin09:30:280
27095991067,14cyclictest31374-21/usr/sbin/munin07:25:240
270959910626,15cyclictest9737-21runrttasks10:13:320
27095991059,15cyclictest5592-21sshd12:02:320
270959910510,25cyclictest1532-21ps07:35:240
270959910510,14cyclictest2497-21/usr/sbin/munin07:40:200
270959910510,13cyclictest18329-21/usr/sbin/munin10:45:280
27095991048,27cyclictest13936-21/usr/sbin/munin10:30:160
27095991048,14cyclictest3702-21ntp_states11:55:190
27095991028,16cyclictest15367-21/usr/sbin/munin10:35:170
27095991028,14cyclictest28590-21/usr/sbin/munin09:20:190
27095991017,14cyclictest6247-21df10:00:130
27095991016,15cyclictest22322-21grep08:55:270
27095991016,12cyclictest302062sleep011:31:500
27095991009,13cyclictest32448-21ls07:30:140
27095991008,14cyclictest12755-21ntp_states12:30:190
27095991007,13cyclictest29651-21sendmail07:20:010
2709599988,13cyclictest30879-21sort11:35:160
2709599957,14cyclictest9955-21df12:20:100
74422850,3sleep07475-21sed12:10:140
2645227820,32sleep026478-21users07:05:260
22132770,3sleep02255-21if_eth011:50:160
27095995934,16cyclictest1318-21runrttasks09:40:200
2709599579,16cyclictest16818-21irqstats08:35:150
27095995633,14cyclictest13938-21/usr/sbin/munin12:35:160
27095995533,13cyclictest5022-21/usr/sbin/munin09:55:140
27095995530,16cyclictest6485-21irqstats07:55:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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