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2026-02-10 - 20:14
[ 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 #5, slot #7

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: 50.5 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot7s.osadl.org (updated Tue Feb 10, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11321224202178,98sleep00-21swapper07:07:020
117019917020,122cyclictest17071-21apt-get11:00:310
117019916413,127cyclictest26142-21apt-get11:55:270
117019916113,124cyclictest30225-21munin-run12:20:030
117019915914,120cyclictest22450-21apt-get08:16:210
117019915725,38cyclictest0-21swapper10:00:420
117019915717,26cyclictest28818-21df12:10:260
117019915713,103cyclictest457-21uname12:35:410
117019915710,23cyclictest8276-21awk10:05:470
117019915611,121cyclictest12873-21munin-node07:15:210
117019915532,21cyclictest926-21if_eth009:20:380
117019915519,106cyclictest16963-21apt-get07:40:170
117019915515,25cyclictest15761-21grep07:30:560
117019915419,107cyclictest13840-21apt-get10:40:180
117019915413,103cyclictest29196-21kworker/u2:108:55:060
117019915410,118cyclictest19767-21zcat07:55:570
117019915319,107cyclictest12227-21apt-get10:30:200
117019915317,23cyclictest22452-21munin-run08:15:020
117019915316,116cyclictest16288-21wc10:55:230
117019915315,115cyclictest6541-21irqstats09:55:390
117019915220,26cyclictest21203-21memory08:05:430
117019915217,37cyclictest28773-21wc08:50:530
117019915214,36cyclictest21645-21grep11:25:540
117019915213,22cyclictest16843-21munin-run07:40:030
117019915211,117cyclictest10428-21apt-get10:20:260
11701991519,118cyclictest15326-21munin-plugin-st10:50:000
117019915121,27cyclictest3986-21apt-get09:40:210
117019915114,23cyclictest24269-21users08:21:110
117019915113,28cyclictest5472-21latency_hist09:50:010
117019915113,115cyclictest19794-21/usr/sbin/munin11:15:360
117019915018,26cyclictest30718-21apt09:05:020
117019915017,27cyclictest26453-21mailstats08:35:580
117019915013,112cyclictest14836-21grep07:25:470
117019915013,111cyclictest24406-21/usr/sbin/munin08:25:370
117019915012,38cyclictest22077-21apt-get11:30:150
117019915012,34cyclictest27810-21sshd12:04:140
117019915010,118cyclictest2824-21cut09:30:560
11701991499,118cyclictest25565-21ps08:30:560
11701991498,117cyclictest28134-21sort12:05:410
117019914920,103cyclictest30820-21apt-get09:05:210
117019914919,26cyclictest18725-21users11:06:130
117019914918,26cyclictest18552-21apt-get07:50:170
117019914916,25cyclictest657-21apt09:20:010
117019914912,97cyclictest23132-21grep11:35:440
117019914911,115cyclictest25280-21/usr/sbin/munin11:50:470
117019914822,27cyclictest20728-21memory11:20:440
117019914819,27cyclictest9679-21df_inode10:15:270
117019914819,25cyclictest18865-21apt-get11:10:200
117019914816,105cyclictest17756-21apt-get07:45:170
117019914815,25cyclictest3275-21/usr/sbin/munin09:35:330
117019914811,112cyclictest5986-21awk09:50:560
11701991479,113cyclictest32051-21awk09:10:580
117019914735,24cyclictest14119-21/usr/sbin/munin07:20:540
117019914715,107cyclictest26927-21df_inode08:40:300
117019914713,110cyclictest31629-21cut12:26:000
117019914712,113cyclictest13019-21apt-get10:35:150
117019914710,39cyclictest5790-21snmpd08:45:220
117019914631,95cyclictest11695-21wc10:25:530
117019914616,25cyclictest1817-21memory09:25:430
117019914615,23cyclictest5790-21snmpd10:52:150
117019914612,110cyclictest12222-21wc07:10:550
117019914611,40cyclictest9390-21grep10:11:030
117019914517,104cyclictest23692-21apt-get11:40:190
117019914420,98cyclictest20172-21apt-get08:00:210
117019914415,23cyclictest30344-21apt12:20:110
117019914314,25cyclictest24662-21irqstats11:45:400
117019914114,100cyclictest31935-21apt-get12:30:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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