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2026-01-22 - 12:00
[ 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 #8

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot8s.osadl.org (updated Thu Jan 22, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11956549912810,1277cyclictest15925392sleep33
11956549912450,1241cyclictest15280662sleep33
11956549912420,1239cyclictest15602992sleep33
1195654992820,6cyclictest1210987-21sleep3
1195654992219,1cyclictest0-21swapper/33
301798180,3rtkit-daemon221rcuc/00
1195654991815,1cyclictest0-21swapper/33
1195654991613,1cyclictest0-21swapper/33
1195654991613,1cyclictest0-21swapper/33
1195654991613,1cyclictest0-21swapper/33
119565499154,8cyclictest1269168-21taskset3
1195654991513,1cyclictest0-21swapper/33
1195654991513,1cyclictest0-21swapper/33
1195654991512,1cyclictest0-21swapper/33
1195654991512,1cyclictest0-21swapper/33
119565499151,11cyclictest1455627-21taskset3
119565499151,11cyclictest1224359-21taskset3
16247692141,9sleep11624820-21awk1
119565499141,9cyclictest1579689-21taskset3
119565499141,9cyclictest15539582sleep33
119565499141,9cyclictest1275607-21taskset3
1195654991413,0cyclictest0-21swapper/33
1195654991413,0cyclictest0-21swapper/33
1195654991413,0cyclictest0-21swapper/33
1195654991412,1cyclictest0-21swapper/33
1195654991412,1cyclictest0-21swapper/33
1195654991412,1cyclictest0-21swapper/33
1195654991412,1cyclictest0-21swapper/33
1195654991412,1cyclictest0-21swapper/33
1195654991412,0cyclictest0-21swapper/33
1195654991412,0cyclictest0-21swapper/33
1195654991411,1cyclictest0-21swapper/33
1195654991411,1cyclictest0-21swapper/33
1195654991411,1cyclictest0-21swapper/33
1195654991411,1cyclictest0-21swapper/33
1195654991411,1cyclictest0-21swapper/33
1195654991411,1cyclictest0-21swapper/33
119565499141,10cyclictest1514046-21taskset3
119565499141,10cyclictest1501354-21chrt3
119565499141,10cyclictest1326707-21chrt3
119565499141,10cyclictest1216591-21taskset3
11893362141,8sleep21188900-21apt-get2
14177182134,5sleep21417740-21apt-get2
119565499134,7cyclictest1430385-21taskset3
119565499133,7cyclictest14361412sleep33
119565499132,9cyclictest1333491-21sleep3
119565499131,9cyclictest1617597-21taskset3
119565499131,9cyclictest1605442-21taskset3
119565499131,9cyclictest1483013-21chrt3
119565499131,9cyclictest1482364-21taskset3
119565499131,9cyclictest1460125-21taskset3
119565499131,9cyclictest1385561-21taskset3
119565499131,9cyclictest13790882sleep33
119565499131,9cyclictest1307262-21taskset3
119565499131,9cyclictest11958292sleep33
1195654991312,0cyclictest0-21swapper/33
1195654991311,1cyclictest0-21swapper/33
1195654991311,1cyclictest0-21swapper/33
1195654991311,1cyclictest0-21swapper/33
119565499131,10cyclictest1268828-21taskset3
119565499131,10cyclictest1236492-21taskset3
1195654991311,0cyclictest0-21swapper/33
1195654991311,0cyclictest0-21swapper/33
1195654991310,1cyclictest0-21swapper/33
119565499130,10cyclictest1604925-21chrt3
301798120,4rtkit-daemon3200908-21packagekitd0
301798120,3rtkit-daemon492-21gmain0
301798120,11rtkit-daemon3016-21rtkit-daemon0
15858582121,3sleep21585901-21munin-run2
15474592120,4sleep11547489-21awk1
119565499121,9cyclictest1378612-21chrt3
119565499121,9cyclictest1352826-21chrt3
119565499121,9cyclictest1352826-21chrt3
119565499121,8cyclictest1515239-21taskset3
119565499120,9cyclictest1566735-21taskset3
119565499120,10cyclictest1313805-21chrt3
11954792121,8sleep00-21swapper/00
11894372121,6sleep11189586-21df_inode1
301798110,7rtkit-daemon636-21snmpd0
12572262110,9sleep01258347-21grep0
119565499110,9cyclictest1353330-21taskset3
301798100,5rtkit-daemon1462220-21python30
301798100,5rtkit-daemon1237175-21df0
301798100,2rtkit-daemon1377734-21latency0
14102182101,6sleep21410309-21/usr/sbin/munin2
30179890,6rtkit-daemon1534034-21kworker/u16:3+events_freezable_pwr_efficient1
30179890,5rtkit-daemon676-21runrttasks0
30179890,5rtkit-daemon636-21snmpd0
30179890,5rtkit-daemon3205-21sendmail-mta0
30179890,5rtkit-daemon317-21systemd-udevd1
30179890,5rtkit-daemon1430056-21vmstat0
30179890,5rtkit-daemon1305248-21kthreadcore0
30179890,5rtkit-daemon1-21systemd0
30179890,4rtkit-daemon1599048-21apt-get1
30179890,4rtkit-daemon1468334-21cut0
30179890,4rtkit-daemon1334019-21cpu0
1417432291,5sleep00-21swapper/00
1368529290,6sleep21370652-21grep2
1353024294,4sleep1636-21snmpd1
1353024294,4sleep1636-21snmpd1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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