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2026-02-26 - 01:57
[ 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 Wed Feb 25, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40174749914430,1438cyclictest1735492sleep33
40174749912801,1276cyclictest702992sleep33
40174749911930,1189cyclictest40905352sleep33
40174749910061,1000cyclictest244172-21sleep3
4017474991916,1cyclictest0-21swapper/33
40173362191,3sleep30-21swapper/33
4017474991714,1cyclictest0-21swapper/33
4017474991714,1cyclictest0-21swapper/33
401747499167,6cyclictest41914852sleep33
4017474991613,1cyclictest0-21swapper/33
401747499161,11cyclictest4077457-21turbostat3
401747499161,11cyclictest17794-21taskset3
401747499158,5cyclictest192340-21chrt3
401747499158,5cyclictest153822-21turbostat3
401747499156,6cyclictest25107-21turbostat3
401747499155,7cyclictest40455762sleep33
4017474991513,1cyclictest0-21swapper/33
4017474991513,1cyclictest0-21swapper/33
4017474991513,1cyclictest0-21swapper/33
4017474991512,1cyclictest0-21swapper/33
4017474991512,1cyclictest0-21swapper/33
4017474991511,2cyclictest4167421-21taskset3
401747499151,11cyclictest4059917-21taskset3
401747499151,11cyclictest4058219-21turbostat3
401747499151,10cyclictest4142155-21taskset3
401747499142,8cyclictest4084171-21taskset3
4017474991413,0cyclictest0-21swapper/33
4017474991412,1cyclictest0-21swapper/33
4017474991412,1cyclictest0-21swapper/33
4017474991412,1cyclictest0-21swapper/33
4017474991412,0cyclictest0-21swapper/33
4017474991412,0cyclictest0-21swapper/33
4017474991411,1cyclictest0-21swapper/33
4017474991411,1cyclictest0-21swapper/33
4017474991411,1cyclictest0-21swapper/33
4017474991411,1cyclictest0-21swapper/33
4017474991411,1cyclictest0-21swapper/33
4017474991411,1cyclictest0-21swapper/33
401747499141,10cyclictest44911-21taskset3
401747499141,10cyclictest4077735-21taskset3
401747499141,10cyclictest159372-21taskset3
401747499140,11cyclictest102489-21taskset3
41939562131,3sleep00-21swapper/00
401747499134,7cyclictest4186691-21taskset3
401747499134,7cyclictest160467-21taskset3
401747499131,9cyclictest59757-21chrt3
401747499131,9cyclictest134131-21taskset3
4017474991311,1cyclictest0-21swapper/33
4017474991311,1cyclictest0-21swapper/33
4017474991311,1cyclictest0-21swapper/33
4017474991311,1cyclictest0-21swapper/33
401747499131,10cyclictest76958-21taskset3
401747499131,10cyclictest196198-21taskset3
401747499130,10cyclictest90864-21taskset3
401747499130,10cyclictest4154957-21taskset3
401747499130,10cyclictest225187-21taskset3
301798130,3rtkit-daemon244433-21apt-get1
1942842131,5sleep2196196-21tr2
401747499121,9cyclictest833872sleep33
401747499121,9cyclictest76553-21chrt3
401747499121,9cyclictest4122319-21taskset3
401747499121,9cyclictest4102824-21taskset3
401747499121,9cyclictest4102824-21taskset3
401747499121,9cyclictest4070764-21taskset3
401747499121,9cyclictest237770-21turbostat3
401747499121,9cyclictest147011-21taskset3
401747499121,8cyclictest51348-21taskset3
4017474991211,0cyclictest0-21swapper/33
4017474991210,1cyclictest0-21swapper/33
4017474991210,1cyclictest0-21swapper/33
401747499119,1cyclictest0-21swapper/33
401747499111,8cyclictest4128708-21chrt3
40114332111,6sleep14011236-21/usr/sbin/munin1
301798110,7rtkit-daemon4089364-21needreboot1
1915332110,8sleep2186391-21/usr/sbin/munin2
41926512101,5sleep04192879-21users0
41801952101,6sleep2636-21snmpd2
41487142101,6sleep24148761-21fschecks_count2
40845472100,7sleep24085244-21sed2
301798100,6rtkit-daemon178338-21cut1
301798100,5rtkit-daemon4110423-21hddtemp_smartct1
301798100,5rtkit-daemon4110423-21hddtemp_smartct1
1655732101,7sleep2160472-21/usr/sbin/munin2
1531122100,8sleep2153293-21timerwakeupswit2
4063695291,5sleep24063760-21ntpq2
4011235291,4sleep20-21swapper/22
30179890,6rtkit-daemon638-21ntpd1
30179890,5rtkit-daemon636-21snmpd1
30179890,5rtkit-daemon448-21wpa_supplicant1
30179890,5rtkit-daemon317-21systemd-udevd1
30179890,5rtkit-daemon244190-21systemd-run1
30179890,4rtkit-daemon4180880-21df1
30179890,4rtkit-daemon212721-21hddtemp_smartct1
30179890,3rtkit-daemon636-21snmpd1
30179890,3rtkit-daemon430-21avahi-daemon1
30179890,1rtkit-daemon0-21swapper/11
30179890,1rtkit-daemon0-21swapper/11
25340291,4sleep025373-21apt-get0
2037290,6sleep24157-21kthreadcore2
185298290,6sleep2185373-21find2
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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