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2026-02-02 - 08:58
[ 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 highest latencies:
System rack5slot7s.osadl.org (updated Mon Feb 02, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30933224282187,100sleep00-21swapper19:06:160
313969916216,119cyclictest8432-21/usr/sbin/munin20:06:010
313969916119,117cyclictest13856-21head20:36:020
313969916114,125cyclictest11523-21users23:46:060
313969916024,108cyclictest22303-21apt-get21:30:200
313969915923,32cyclictest27616-21apt-get22:10:210
313969915913,22cyclictest3308-21munin-run23:00:060
313969915830,109cyclictest10855-21apt-get20:20:160
313969915636,20cyclictest0-21swapper00:01:050
313969915615,118cyclictest7667-21apt-get23:25:200
313969915614,101cyclictest32439-21munin-node19:15:070
313969915613,117cyclictest11933-21awk20:25:490
313969915610,124cyclictest5140-21modprobe23:10:000
313969915519,112cyclictest1108-21apt19:20:010
313969915515,117cyclictest29934-21apt-get22:26:180
313969915514,118cyclictest19546-21apt-get21:15:540
313969915440,22cyclictest18157-21cstates00:30:240
313969915418,113cyclictest1329-21df19:20:260
313969915416,22cyclictest10735-21munin-run20:20:020
313969915416,112cyclictest1984-21irqstats22:50:390
313969915414,117cyclictest13161-21munin-run00:00:020
313969915411,39cyclictest3304-21apt-get23:01:500
313969915331,104cyclictest9591-21proc_pri20:10:550
313969915316,25cyclictest6040-21apt-get23:15:170
313969915316,23cyclictest17146-21munin-run21:00:020
313969915315,114cyclictest31064-21/usr/sbin/munin22:30:090
313969915314,26cyclictest25539-21munin-run21:55:040
313969915311,101cyclictest23624-21wc21:40:500
313969915217,22cyclictest2512-21cut19:25:590
313969915217,20cyclictest29936-21/usr/sbin/munin22:25:050
313969915211,116cyclictest21637-21fw_packets21:25:390
313969915211,115cyclictest23136-21modprobe21:40:020
313969915137,93cyclictest7624-21latency_hist20:00:070
313969915137,20cyclictest21087-21processes21:21:020
313969915130,33cyclictest0-21swapper22:41:020
313969915121,27cyclictest15892-21memory20:50:440
313969915116,35cyclictest17946-21users00:26:050
313969915115,98cyclictest14245-21irqstats00:05:350
313969915112,40cyclictest5858-21sed23:11:040
313969915112,101cyclictest7564-21latency_hist23:25:000
313969915110,116cyclictest15294-21find00:10:550
313969915076,50cyclictest19581-21munin-run00:40:020
313969915015,38cyclictest14731-21awk20:41:100
313969915015,38cyclictest10771-21munin-run23:45:020
313969915015,25cyclictest9315-21/usr/sbin/munin23:35:230
313969914935,94cyclictest6750-21latency_hist19:55:040
313969914922,99cyclictest11773-21diskstats23:50:320
313969914916,96cyclictest26133-21df_inode22:00:310
313969914916,111cyclictest7814-21irqstats20:00:370
313969914913,36cyclictest12545-21df20:30:270
313969914912,115cyclictest4035-21find19:35:580
313969914911,24cyclictest1638-21sed22:46:050
313969914817,107cyclictest4610-21irqstats19:40:390
313969914814,21cyclictest26992-21irqstats22:05:380
313969914811,27cyclictest15983-21open_files00:15:520
31396991479,26cyclictest17263-21/usr/sbin/munin21:01:090
313969914721,99cyclictest14967-21diskstats20:45:340
313969914711,26cyclictest32497-21head22:36:050
313969914618,23cyclictest5328-21df19:45:250
313969914618,104cyclictest18161-21df21:05:270
313969914617,42cyclictest8559-21df23:30:260
313969914616,106cyclictest18984-21if_err_eth021:10:360
313969914614,26cyclictest16493-21/usr/sbin/munin00:20:520
313969914614,108cyclictest2818-21apt-get19:30:210
313969914610,115cyclictest24480-21grep21:45:560
313969914417,103cyclictest28411-21apt-get22:15:190
31396991418,28cyclictest25785-21apt-config21:55:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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