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2026-02-01 - 09:52
[ 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 Sun Feb 01, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6520224372194,97sleep00-21swapper19:07:340
68389916143,23cyclictest12720-21if_eth019:40:430
68389916121,109cyclictest32037-21apt-get21:40:230
68389916114,119cyclictest8565-21sshd19:16:140
68389915816,100cyclictest6925-21munin-run22:25:040
68389915721,29cyclictest18469-21apt-get23:35:200
68389915713,119cyclictest17251-21cut20:06:580
68389915711,24cyclictest10515-21ls19:26:100
68389915641,22cyclictest16956-21/usr/sbin/munin23:25:260
68389915615,117cyclictest4019-21memory22:06:170
68389915612,119cyclictest8058-21sshd22:30:190
68389915546,89cyclictest20284-21kernelversion23:45:440
68389915515,25cyclictest19211-21apt-get20:20:190
68389915515,118cyclictest7109-21apt-get22:25:190
68389915417,23cyclictest12446-21munin-run19:40:010
68389915416,95cyclictest19091-21munin-run20:20:020
68389915411,26cyclictest22293-21munin-plugin-st20:40:020
68389915319,108cyclictest15767-21apt-get20:00:180
68389915315,39cyclictest27900-21munin-run21:15:020
68389915315,117cyclictest8774-21apt-get19:21:390
68389915310,27cyclictest5790-21snmpd23:06:100
68389915225,107cyclictest28287-21grep00:36:120
68389915224,28cyclictest19403-21diskstats23:40:340
68389915219,25cyclictest23532-21diskstats00:10:310
68389915218,110cyclictest11409-21munin-run19:35:040
68389915218,107cyclictest25619-21apt-get21:00:170
68389915218,107cyclictest12869-21/usr/sbin/munin23:00:340
68389915217,24cyclictest24796-21apt-get20:55:210
68389915217,23cyclictest16257-21irqstats23:20:380
68389915217,110cyclictest20278-21/usr/sbin/munin20:25:470
68389915216,28cyclictest10458-21/usr/sbin/munin22:45:440
68389915215,25cyclictest31314-21df21:35:250
68389915214,23cyclictest6104-21apt22:20:020
68389915210,25cyclictest24552-21cat20:51:010
68389915172,55cyclictest23894-21modprobe20:50:000
68389915171,56cyclictest21486-21modprobe20:35:000
68389915135,21cyclictest14837-21modprobe19:55:000
68389915114,26cyclictest24371-21if_eth000:15:360
68389915111,120cyclictest21678-1kworker/u3:300:31:400
68389915110,117cyclictest110-21systemd-journal20:00:010
6838991509,98cyclictest11763-21grep22:50:590
68389915021,101cyclictest6935-21apt-get19:10:210
68389915015,112cyclictest25841-21apt-get00:25:230
68389915014,114cyclictest15965-21munin-run23:20:010
68389915013,22cyclictest1067-21munin-plugin-st21:50:000
68389915011,113cyclictest8956-21/usr/sbin/munin22:35:310
6838991499,26cyclictest31126-21sort21:35:040
68389914918,107cyclictest4604-21apt-get22:10:230
68389914918,106cyclictest25048-21apt-get00:20:210
68389914916,29cyclictest22732-21ntp_states20:40:500
68389914916,107cyclictest20880-21apt-get23:50:160
68389914826,98cyclictest2529-21timerandwakeup21:55:590
68389914815,108cyclictest2956-21irqstats22:00:370
68389914813,27cyclictest1727-21grep21:51:010
68389914813,113cyclictest12670-21sed22:56:040
68389914811,112cyclictest30232-21grep21:26:020
68389914810,113cyclictest27106-21munin-plugin-st21:10:000
68389914715,24cyclictest17781-21df_inode23:30:280
68389914714,32cyclictest22376-21munin-run00:00:040
68389914714,27cyclictest13355-21/usr/sbin/munin19:45:110
68389914711,24cyclictest28296-21ntpq21:15:560
68389914613,110cyclictest23343-21latency_hist00:10:030
68389914510,24cyclictest14456-21/usr/sbin/munin23:10:110
68389914426,102cyclictest17144-1kworker/u3:420:10:230
68389914418,25cyclictest9769-21df22:40:280
68389914410,112cyclictest29542-21cut21:25:030
68389914217,23cyclictest22606-21df_inode00:00:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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