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2026-02-20 - 19:15
[ 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 Fri Feb 20, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7916609911641,1159cyclictest974461-21sleep3
7916609910281,1023cyclictest1186818-21sleep3
108208621040,3sleep1321rcuc/11
791660991912,4cyclictest1038593-21sleep3
79166099191,15cyclictest877221-21taskset3
79166099181,14cyclictest1218989-21turbostat3
8251192170,8sleep2825332-21grep2
79166099171,13cyclictest896877-21turbostat3
79166099171,13cyclictest1077033-21chrt3
79166099171,13cyclictest1058124-21taskset3
79166099170,14cyclictest806607-21turbostat3
79166099170,14cyclictest1090271-21turbostat3
79166099165,9cyclictest922541-21turbostat3
791660991613,1cyclictest0-21swapper/33
79166099161,12cyclictest999772-21chrt3
79166099161,12cyclictest903281-21turbostat3
79166099161,12cyclictest877792-21taskset3
79166099161,12cyclictest1193670-21taskset3
79166099161,12cyclictest1051086-21chrt3
79166099161,12cyclictest1031820-21taskset3
79166099161,11cyclictest1122637-21turbostat3
79166099161,11cyclictest1109810-21turbostat3
79166099160,13cyclictest948481-21taskset3
79166099160,13cyclictest819333-21chrt3
79166099160,13cyclictest1161105-21turbostat3
8004022151,4sleep1800435-21apt-get1
791660991512,1cyclictest0-21swapper/33
79166099151,12cyclictest851477-21taskset3
79166099151,12cyclictest851477-21taskset3
79166099151,11cyclictest922545-21turbostat3
79166099151,11cyclictest867611-21taskset3
79166099151,11cyclictest838499-21taskset3
79166099151,11cyclictest826203-21taskset3
79166099151,11cyclictest797716-21taskset3
79166099151,11cyclictest1192889-21taskset3
79166099151,11cyclictest1180063-21taskset3
79166099151,11cyclictest1173641-21taskset3
79166099151,11cyclictest1102999-21taskset3
79166099151,11cyclictest1051674-21taskset3
79166099151,11cyclictest1044898-21taskset3
79166099151,10cyclictest1077677-21taskset3
79166099150,13cyclictest890232-21taskset3
79166099150,12cyclictest987094-21chrt3
79166099150,12cyclictest935655-21turbostat3
79166099150,12cyclictest916040-21taskset3
79166099150,12cyclictest825335-21taskset3
79166099150,12cyclictest1167361-21taskset3
79166099150,12cyclictest1154638-21taskset3
79166099150,12cyclictest10707092sleep33
79166099150,12cyclictest1025575-21chrt3
79166099150,11cyclictest8583492sleep33
10263992150,12sleep01026838-21cut0
79166099144,8cyclictest980829-21taskset3
79166099142,10cyclictest812757-21taskset3
791660991413,0cyclictest0-21swapper/33
791660991412,1cyclictest0-21swapper/33
79166099141,11cyclictest960869-21chrt3
79166099141,11cyclictest941918-21taskset3
79166099141,11cyclictest1115869-21taskset3
791660991411,1cyclictest0-21swapper/33
79166099141,10cyclictest1128338-21taskset3
79166099141,10cyclictest1096587-21taskset3
79166099141,10cyclictest1006025-21taskset3
79166099140,1cyclictest0-21swapper/33
79166099140,1cyclictest0-21swapper/33
79166099140,11cyclictest993499-21taskset3
79166099140,11cyclictest961867-21taskset3
79166099140,11cyclictest857889-21taskset3
79166099140,11cyclictest1205885-21taskset3
79166099140,11cyclictest1006766-21taskset3
12131702140,4sleep11213744-21sed1
10133742141,10sleep00-21swapper/00
8908872131,10sleep00-21swapper/00
79166099130,1cyclictest0-21swapper/33
79166099130,11cyclictest1212420-21chrt3
301798130,8rtkit-daemon1089412-21open_inodes2
10772132131,4sleep1636-21snmpd1
9030502110,3sleep2903051-21sshd2
8312212111,2sleep10-21swapper/11
301798110,7rtkit-daemon798174-21munin-node0
11490182110,1sleep00-21swapper/00
9300252100,1sleep1930964-21/usr/sbin/munin1
8705132104,3sleep2864738-21/usr/sbin/munin2
8188352101,6sleep0819044-21users0
8068652101,4sleep1806898-21apt-get1
301798100,6rtkit-daemon890702-21/usr/sbin/munin2
301798100,5rtkit-daemon916753-21hddtemp_smartct2
301798100,5rtkit-daemon1070749-21gpgv2
301798100,5rtkit-daemon1050729-21python32
11934842101,4sleep11193517-21apt-get1
11176972100,7sleep21118880-21tr2
10447042104,3sleep0453-21rs:main0
10222472100,7sleep21024391-21cut2
987547291,4sleep1987569-21apt-get1
981134291,5sleep2981254-21grep2
864737291,4sleep1864770-21apt-get1
832614291,4sleep1832647-21apt-get1
30179890,6rtkit-daemon317-21systemd-udevd0
30179890,5rtkit-daemon871608-21ps0
30179890,5rtkit-daemon636-21snmpd2
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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