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2026-02-11 - 17:55
[ 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 all highest latencies:
System rack5slot7s.osadl.org (updated Wed Feb 11, 2026 12:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
626224292190,96sleep00-21swapper07:06:540
10199917515,113cyclictest23051-21apt-get12:35:230
10199916617,122cyclictest17055-21apt-get11:57:030
10199916613,128cyclictest6191-21sort10:51:000
10199916113,124cyclictest9184-21awk07:55:540
10199916113,108cyclictest25865-21apt-get09:41:050
10199916016,120cyclictest25870-21munin-run09:40:030
1019991599,127cyclictest5790-21snmpd08:03:510
10199915920,23cyclictest12465-21irqstats11:30:390
10199915819,97cyclictest7135-21apt11:00:010
10199915714,118cyclictest4847-21apt-get10:45:180
10199915714,101cyclictest27707-21apt-get09:51:190
10199915713,119cyclictest16143-21apt-get08:40:190
10199915711,104cyclictest31200-21sort10:06:020
10199915616,100cyclictest7771-21apt-get07:51:030
10199915534,21cyclictest5790-21snmpd09:00:140
10199915516,114cyclictest21345-21apt-get12:25:180
10199915515,117cyclictest2960-21munin-run07:20:020
10199915515,115cyclictest9163-21ntp_states11:10:530
10199915514,98cyclictest22884-21munin-run12:35:010
10199915513,117cyclictest21060-21apt09:10:000
1019991548,122cyclictest12201-21grep11:30:030
10199915421,28cyclictest17454-21diskstats12:00:440
10199915416,98cyclictest6154-21modprobe07:40:010
10199915416,114cyclictest14599-21apt11:45:010
10199915415,23cyclictest3932-21munin-run10:40:030
10199915412,121cyclictest28893-21apt-get09:55:180
10199915411,117cyclictest32396-21dpkg10:15:270
10199915410,26cyclictest1216-21df07:10:250
10199915337,23cyclictest11275-21timerandwakeup11:22:060
10199915317,111cyclictest22551-21sort09:16:020
10199915314,114cyclictest7184-21df_inode07:45:260
10199915310,119cyclictest13953-21latency08:25:400
10199915235,21cyclictest30329-21mailstats10:01:040
10199915222,104cyclictest1753-21diskstats10:25:350
10199915217,111cyclictest18236-21df12:05:260
10199915217,109cyclictest11303-21/usr/sbin/munin08:10:560
10199915213,24cyclictest31746-21grep10:10:480
10199915211,25cyclictest4400-21sort07:26:020
1019991519,24cyclictest5790-21snmpd12:20:060
10199915132,99cyclictest5243-21timerwakeupswit07:31:030
10199915116,110cyclictest12934-21apt-get08:20:190
10199915111,23cyclictest15126-21wc11:45:570
1019991509,114cyclictest5790-21snmpd11:05:350
10199915018,105cyclictest21162-21apt-get09:10:170
10199915011,29cyclictest20427-21latency_hist12:20:060
10199915011,24cyclictest12814-21munin-run08:20:020
10199915010,116cyclictest7624-21wc11:00:530
10199915010,116cyclictest15492-21/usr/sbin/munin11:50:350
10199914913,110cyclictest27651-21head09:46:100
10199914912,24cyclictest13714-21sed11:36:040
10199914911,96cyclictest24191-21head09:26:030
10199914820,101cyclictest22789-21apt-get09:20:200
10199914819,23cyclictest24546-21irqstats09:30:360
10199914815,28cyclictest17728-21/usr/sbin/munin08:50:340
10199914811,114cyclictest17299-21wc08:45:560
1019991479,113cyclictest31450-21kworker/u2:010:20:150
10199914718,24cyclictest4747-21/usr/sbin/munin10:45:030
10199914715,111cyclictest10065-21find11:15:560
10199914711,95cyclictest11270-21wc08:10:060
10199914711,27cyclictest15202-21sshd08:34:180
10199914711,21cyclictest15518-21kernelversion08:35:440
10199914618,104cyclictest2741-21/usr/sbin/munin10:30:480
10199914616,107cyclictest6976-21munin-run07:45:010
10199914614,26cyclictest3077-21/usr/sbin/munin07:20:470
10199914416,25cyclictest19029-21df12:10:260
10199914314,19cyclictest18525-21apt-get08:55:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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