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2026-01-31 - 12:58
[ 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 #e, slot #3

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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot3s.osadl.org (updated Sat Jan 31, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
170210599105101,2cyclictest0-21swapper/019:15:010
1702105998339,40cyclictest16850irq/134-800000000:14:590
170210599822,74cyclictest48-21kcompactd023:50:570
170210599822,74cyclictest48-21kcompactd023:50:560
1702105998219,47cyclictest16850irq/134-800000022:20:060
1702105998021,55cyclictest1736637-21ssh22:12:320
170210599801,4cyclictest1780486-21ssh23:49:330
170210599792,72cyclictest364-21snmpd22:03:200
170210599791,72cyclictest1794182-21systemctl00:20:010
170210599791,72cyclictest1794182-21systemctl00:20:000
170210599791,61cyclictest1722244-21ssh21:40:270
170210599791,61cyclictest1722244-21ssh21:40:260
170210599781,71cyclictest1754609-21ssh22:52:000
170210599772,44cyclictest275-21dbus-daemon21:20:020
170210599771,4cyclictest1772945-21sshd23:32:410
1702105997632,38cyclictest1803284-21tr00:39:590
170210599762,42cyclictest1777450-21sh23:42:380
170210599762,40cyclictest1704945-21munin-run20:05:020
170210599751,67cyclictest1799845-21ssh00:32:150
1702109997427,14cyclictest1-21systemd21:50:001
1702109997422,12cyclictest3467718-21lldpd21:35:011
1702115997331,38cyclictest1708258-21sshd21:06:413
170210599731,39cyclictest1710519-21/usr/sbin/munin21:15:000
170210599731,2cyclictest0-21swapper/000:10:000
170210599731,2cyclictest0-21swapper/000:10:000
170210599721,4cyclictest0-21swapper/021:45:070
1702105997125,41cyclictest0-21swapper/020:00:010
170210599712,35cyclictest1728684-21munin-run21:55:000
1702105997118,23cyclictest16850irq/134-800000023:12:190
170210599711,7cyclictest1713320-21ssh21:20:400
170210599702,40cyclictest1787483-21wc00:05:020
1702105997020,18cyclictest16850irq/134-800000021:57:560
170210599701,63cyclictest0-21swapper/023:20:010
1702105996928,37cyclictest1756118-21ssh22:55:180
170210599681,62cyclictest1703881-21sshd19:43:410
170210599675,57cyclictest174409750rm22:29:030
170210599672,60cyclictest1794910-21rm00:21:160
1702109996629,5cyclictest1720882-21sh21:37:411
170210599661,60cyclictest1774233-21ssh23:35:130
170210599661,60cyclictest1760271-21sshd23:04:410
1702115996523,36cyclictest1705653-21sshd20:16:343
1702115996518,41cyclictest275-21dbus-daemon00:05:013
170210599651,60cyclictest1735590-21latency_hist22:10:030
170210599651,5cyclictest0-21swapper/022:40:020
170210599651,5cyclictest0-21swapper/022:40:010
170210599651,59cyclictest0-21swapper/023:05:380
170210599651,59cyclictest0-21swapper/023:05:370
170210599651,2cyclictest0-21swapper/023:20:240
1702115996437,23cyclictest275-21dbus-daemon23:10:013
1702115996437,23cyclictest275-21dbus-daemon23:10:003
170211599642,17cyclictest1731083-21grep22:00:033
1702109996422,10cyclictest3467602-21systemd-journal21:00:001
1702105996425,34cyclictest1738029-21rm22:15:180
1702115996321,39cyclictest37-21ksoftirqd/321:53:403
1702115996313,8cyclictest1715255-21cat21:25:013
1702109996326,8cyclictest23-21ksoftirqd/100:30:021
1702105996328,30cyclictest275-21dbus-daemon19:40:020
170210599631,5cyclictest1707017-21systemd-run20:45:010
170210599631,3cyclictest0-21swapper/020:17:000
170210599631,2cyclictest0-21swapper/022:49:340
170210599631,2cyclictest0-21swapper/022:49:330
170210599631,14cyclictest1798516-21ssh00:29:340
1702115996219,40cyclictest1704115-21sshd19:45:413
1702109996225,10cyclictest23-21ksoftirqd/123:41:351
1702109996223,10cyclictest23-21ksoftirqd/122:43:151
170210599623,54cyclictest1721845-21modprobe21:40:000
170210599622,54cyclictest1751493-21latency_hist22:45:010
170210599621,9cyclictest1771510-21sshd23:29:420
170210599621,5cyclictest0-21swapper/022:32:080
1702105996213,45cyclictest16850irq/134-800000000:00:010
1702105996213,45cyclictest16850irq/134-800000000:00:000
170210599621,2cyclictest0-21swapper/020:50:020
1702115996129,29cyclictest3467602-21systemd-journal20:29:413
1702115996121,35cyclictest1758026-21sh22:59:583
1702115996120,36cyclictest0-21swapper/322:25:013
1702115996117,38cyclictest275-21dbus-daemon23:59:593
1702115996117,38cyclictest275-21dbus-daemon00:00:003
170211599611,15cyclictest1768490-21ssh23:22:453
170211599611,14cyclictest1746265-21ssh22:33:483
170210999614,21cyclictest1706775-21grep20:40:021
1702109996128,5cyclictest1760386-21munin-plugin-st23:05:001
1702109996125,10cyclictest23-21ksoftirqd/123:25:191
170210599612,56cyclictest1705154-21sshd20:06:410
170210599611,5cyclictest0-21swapper/019:26:280
170210599611,56cyclictest1708258-21sshd21:06:410
170210599611,55cyclictest1702553-21sshd19:16:250
170211599603,15cyclictest1726560-21latency_hist21:50:023
170211599602,15cyclictest1752370-21ssh22:47:023
170211599602,15cyclictest1752370-21ssh22:47:013
170211599602,14cyclictest1801906-21ssh00:36:483
170211599602,14cyclictest1750752-21ssh22:43:283
1702115996019,37cyclictest1705946-21sshd20:21:413
1702115996019,37cyclictest1705946-21sshd20:21:413
1702115996017,4cyclictest1719294-21sh21:34:253
1702115996016,5cyclictest1-21systemd19:55:013
1702115996015,41cyclictest0-21swapper/323:15:013
1702105996029,27cyclictest1717668-21sh21:30:200
170210599601,55cyclictest1703353-21sshd19:34:410
170210599601,2cyclictest0-21swapper/021:27:290
1702115995923,32cyclictest37-21ksoftirqd/323:46:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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