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2026-02-25 - 00:54
[ 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 Tue Feb 24, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8674009911521,1146cyclictest1056623-21sleep3
8674009911430,1139cyclictest8823942sleep33
867400994072,402cyclictest947058-21turbostat3
867400993970,394cyclictest1224000-21turbostat3
867400991815,1cyclictest0-21swapper/33
86740099181,14cyclictest1005165-21taskset3
86740099176,7cyclictest1114306-21turbostat3
867400991714,1cyclictest0-21swapper/33
867400991714,1cyclictest0-21swapper/33
86740099167,6cyclictest873788-21turbostat3
86740099166,7cyclictest12377252sleep33
86740099161,12cyclictest940738-21taskset3
9156282150,7sleep1915807-21sed1
86740099156,6cyclictest12361232sleep33
867400991513,1cyclictest0-21swapper/33
867400991513,1cyclictest0-21swapper/33
867400991513,0cyclictest0-21swapper/33
867400991512,1cyclictest0-21swapper/33
867400991512,1cyclictest0-21swapper/33
867400991512,1cyclictest0-21swapper/33
867400991512,1cyclictest0-21swapper/33
867400991512,1cyclictest0-21swapper/33
86740099151,11cyclictest1287787-21taskset3
86740099151,11cyclictest1071663-21taskset3
86740099151,11cyclictest1011911-21taskset3
86740099146,5cyclictest1256117-21turbostat3
86740099144,7cyclictest888529-21taskset3
86740099141,9cyclictest1024482-21taskset3
867400991413,0cyclictest0-21swapper/33
867400991413,0cyclictest0-21swapper/33
867400991412,1cyclictest0-21swapper/33
867400991412,1cyclictest0-21swapper/33
867400991412,1cyclictest0-21swapper/33
867400991412,0cyclictest0-21swapper/33
867400991412,0cyclictest0-21swapper/33
867400991411,1cyclictest0-21swapper/33
867400991411,1cyclictest0-21swapper/33
86740099141,10cyclictest972885-21taskset3
86740099141,10cyclictest1172242-21taskset3
86740099141,10cyclictest1159202-21chrt3
86740099141,10cyclictest1100610-21taskset3
86740099141,10cyclictest1088665-21turbostat3
86740099141,10cyclictest1081505-21taskset3
86740099141,10cyclictest1004730-21chrt3
86740099140,11cyclictest1249678-21taskset3
9449082130,1sleep10-21swapper/11
86740099131,9cyclictest1146922-21taskset3
867400991312,0cyclictest0-21swapper/33
867400991311,1cyclictest0-21swapper/33
867400991311,1cyclictest0-21swapper/33
867400991311,1cyclictest0-21swapper/33
867400991311,0cyclictest0-21swapper/33
867400991311,0cyclictest0-21swapper/33
867400991310,1cyclictest0-21swapper/33
867400991310,1cyclictest0-21swapper/33
86740099130,10cyclictest1294570-21chrt3
86740099130,10cyclictest1217217-21taskset3
86740099130,10cyclictest1139162-21taskset3
86740099130,10cyclictest1023854-21chrt3
86740099130,10cyclictest1023854-21chrt3
301798130,10rtkit-daemon3205-21sendmail-mta0
8728572120,4sleep2872934-21ntp_states2
8675672121,7sleep0867599-21apt-get0
86740099124,6cyclictest1185424-21taskset3
86740099121,9cyclictest978964-21taskset3
86740099121,9cyclictest895517-21chrt3
86740099121,8cyclictest1056884-21taskset3
867400991211,0cyclictest0-21swapper/33
867400991210,1cyclictest0-21swapper/33
867400991210,1cyclictest0-21swapper/33
86740099120,9cyclictest908790-21taskset3
86740099120,9cyclictest1281456-21taskset3
86740099120,9cyclictest1127400-21taskset3
8611662111,5sleep10-21swapper/11
301798110,4rtkit-daemon448-21wpa_supplicant0
301798110,3rtkit-daemon882129-21kworker/0:2+kacpid0
301798110,3rtkit-daemon492-21gmain0
12178192112,4sleep11217851-21apt-get1
8814692100,3sleep2881546-21ntp_states2
301798100,5rtkit-daemon966757-21df0
301798100,5rtkit-daemon448-21wpa_supplicant0
301798100,5rtkit-daemon1211141-21munin-run0
301798100,3rtkit-daemon636-21snmpd0
301798100,3rtkit-daemon636-21snmpd0
301798100,3rtkit-daemon636-21snmpd0
301798100,3rtkit-daemon636-21snmpd0
10506282101,6sleep11050789-21sed1
998777290,7sleep2998742-21/usr/sbin/munin2
998741291,4sleep1998774-21apt-get1
994524291,5sleep0996611-21kthreadcore0
960143291,4sleep1960176-21apt-get1
928992291,6sleep10-21swapper/11
926935291,5sleep1926997-21awk1
30179890,6rtkit-daemon376-21hwrng0
30179890,5rtkit-daemon448-21wpa_supplicant0
30179890,5rtkit-daemon3205-21sendmail-mta0
30179890,5rtkit-daemon317-21systemd-udevd0
30179890,4rtkit-daemon902419-21tail0
30179890,4rtkit-daemon1203578-21ps0
30179890,4rtkit-daemon1203578-21ps0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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