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2026-01-20 - 18:43
[ 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 Jan 20, 2026 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
670224362196,95sleep00-21swapper07:09:230
7849917741,23cyclictest11019-21latency_hist08:10:070
7849916514,128cyclictest8338-21munin-run07:55:010
7849916115,30cyclictest17859-21plymouth08:47:000
7849916113,123cyclictest22419-21apt-get12:35:360
7849916042,19cyclictest3823-21timerandwakeup10:36:080
7849916022,110cyclictest28133-21users09:47:090
7849916019,30cyclictest2306-21apt-get10:30:320
7849916016,118cyclictest22887-21apt-get09:22:040
7849916014,123cyclictest22892-21munin-run09:20:030
7849916012,48cyclictest29427-21wc09:55:530
7849916011,126cyclictest32490-21grep10:15:420
7849915813,25cyclictest19641-21awk08:56:080
7849915813,101cyclictest21813-21find09:10:570
7849915812,120cyclictest10973-21apt-get08:11:520
7849915726,110cyclictest13609-21kworker/u2:1408:25:170
7849915716,26cyclictest16920-21apt-get12:00:200
7849915715,21cyclictest16800-21munin-run12:00:020
7849915712,118cyclictest15508-21grep08:35:050
7849915616,40cyclictest11163-21users11:21:060
7849915612,119cyclictest13368-21/usr/sbin/munin08:21:160
784991559,122cyclictest10136-21cut11:15:570
784991559,121cyclictest11863-21grep11:26:040
7849915515,25cyclictest19410-21df_inode12:15:280
7849915512,26cyclictest31040-21proc_pri10:05:530
7849915512,120cyclictest14079-21grep11:40:530
7849915510,120cyclictest2774-21cat07:20:050
7849915510,118cyclictest8336-21apt-get07:56:490
784991549,25cyclictest12852-21latency_hist08:20:070
7849915412,28cyclictest24656-21grep09:26:100
7849915318,111cyclictest7167-21apt11:00:020
7849915318,109cyclictest30195-21ntp_states10:00:510
7849915317,26cyclictest5933-21munin-run07:40:030
7849915312,120cyclictest15926-21sed11:51:020
7849915312,118cyclictest24830-21/usr/sbin/munin09:30:110
7849915312,118cyclictest1319-21awk07:11:030
7849915312,117cyclictest20767-21uname09:05:400
7849915310,118cyclictest8082-21/usr/sbin/munin11:06:110
7849915221,104cyclictest31470-21apt-get10:10:190
7849915214,21cyclictest4199-21diskstats10:40:310
7849915213,118cyclictest12203-21df_inode11:30:280
7849915213,115cyclictest7985-21munin-run11:05:020
7849915118,105cyclictest18509-21apt-get12:10:180
7849915115,113cyclictest26446-21apt-get09:40:190
7849915113,113cyclictest6435-21latency_hist10:55:050
7849915112,39cyclictest21577-21unixbench_singl12:26:040
7849915022,101cyclictest25737-21diskstats09:35:350
7849915015,21cyclictest20246-21df_inode12:20:290
7849915014,112cyclictest645-21apt-get10:20:190
7849914942,87cyclictest18748-21timerandwakeup08:51:060
7849914938,90cyclictest6305-21missed_timers07:40:470
7849914927,99cyclictest0-21swapper12:05:420
7849914914,110cyclictest3641-21apt-get07:25:300
7849914912,27cyclictest9929-21mailstats08:01:040
7849914912,113cyclictest109-21systemd-journal11:45:290
7849914911,37cyclictest2140-21/usr/sbin/munin10:30:050
7849914911,114cyclictest17158-21latency_hist08:45:080
7849914910,113cyclictest9163-21ntpq11:10:470
7849914827,98cyclictest0-21swapper07:20:410
7849914810,112cyclictest12999-21df_inode11:35:280
784991479,113cyclictest20021-21latency09:00:430
7849914712,113cyclictest22519-21apt-config12:35:080
7849914711,20cyclictest5131-21apt07:35:010
7849914711,106cyclictest6845-21/usr/sbin/munin07:45:510
7849914616,29cyclictest15654-21diskstats08:35:330
7849914613,24cyclictest28368-21sh09:50:350
7849914512,37cyclictest4990-21df_inode10:45:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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