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2026-02-07 - 18:20
[ 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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  Congatec
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 Sat Feb 07, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12960209912820,1278cyclictest15565682sleep33
12960209911370,1133cyclictest15886132sleep33
1296020994020,399cyclictest1317437-21turbostat3
1296020992320,1cyclictest0-21swapper/33
129602099208,9cyclictest1382101-21turbostat3
14910292170,3sleep20-21swapper/22
129602099177,7cyclictest16472052sleep33
129602099171,12cyclictest1375448-21turbostat3
1296020991613,1cyclictest0-21swapper/33
129602099161,12cyclictest1434139-21taskset3
129602099161,11cyclictest1394997-21turbostat3
1296020991513,1cyclictest0-21swapper/33
1296020991513,1cyclictest0-21swapper/33
1296020991512,1cyclictest0-21swapper/33
1296020991512,1cyclictest0-21swapper/33
1296020991512,1cyclictest0-21swapper/33
1296020991512,1cyclictest0-21swapper/33
1296020991512,1cyclictest0-21swapper/33
1296020991512,1cyclictest0-21swapper/33
129602099151,11cyclictest1672436-21turbostat3
129602099151,11cyclictest1550178-21turbostat3
129602099151,11cyclictest1422325-21taskset3
129602099151,10cyclictest1614907-21taskset3
1296020991412,1cyclictest0-21swapper/33
1296020991412,1cyclictest0-21swapper/33
1296020991412,0cyclictest0-21swapper/33
1296020991412,0cyclictest0-21swapper/33
1296020991411,1cyclictest0-21swapper/33
1296020991411,1cyclictest0-21swapper/33
1296020991411,1cyclictest0-21swapper/33
129602099141,10cyclictest1723464-21taskset3
129602099141,10cyclictest1657721-21taskset3
129602099141,10cyclictest1627332-21taskset3
129602099141,10cyclictest1614409-21taskset3
129602099141,10cyclictest1607854-21taskset3
129602099141,10cyclictest1530335-21taskset3
129602099141,10cyclictest1517792-21sleep3
129602099141,10cyclictest1505195-21taskset3
129602099141,10cyclictest1485170-21taskset3
129602099141,10cyclictest1465862-21chrt3
129602099141,10cyclictest1445663-21taskset3
129602099141,10cyclictest1305280-21taskset3
129602099140,11cyclictest1485931-21taskset3
129602099131,9cyclictest1704269-21taskset3
129602099131,9cyclictest1639669-21taskset3
129602099131,9cyclictest1523914-21taskset3
129602099131,9cyclictest1407529-21chrt3
129602099131,9cyclictest1342961-21taskset3
129602099131,8cyclictest17047552sleep33
1296020991312,0cyclictest0-21swapper/33
1296020991312,0cyclictest0-21swapper/33
1296020991311,1cyclictest0-21swapper/33
1296020991311,1cyclictest0-21swapper/33
1296020991311,1cyclictest0-21swapper/33
129602099131,10cyclictest1504707-21turbostat3
1296020991310,1cyclictest0-21swapper/33
129602099130,9cyclictest1414792-21chrt3
129602099130,6cyclictest0-21swapper/33
129602099130,10cyclictest1678458-21taskset3
129602099130,10cyclictest1627686-21taskset3
129602099130,10cyclictest1533274-21taskset3
129602099130,10cyclictest1472838-21chrt3
129602099130,10cyclictest1387755-21taskset3
129602099130,10cyclictest1349673-21taskset3
129602099130,10cyclictest1349673-21taskset3
129602099121,8cyclictest1581404-21taskset3
1296020991211,0cyclictest0-21swapper/33
129602099120,9cyclictest1640576-21taskset3
129602099120,10cyclictest1296194-21chrt3
301798110,7rtkit-daemon1498319-21munin-run1
301798110,5rtkit-daemon1652438-21mailstats0
301798110,5rtkit-daemon1524501-21apt-get1
301798110,3rtkit-daemon636-21snmpd2
16599032110,4sleep01660059-21diskstats0
16235012111,8sleep21625630-21cut2
15184952110,8sleep01519491-21/usr/sbin/munin0
15180742111,7sleep11518223-21/usr/sbin/munin1
301798100,6rtkit-daemon1658765-21ntp_states0
301798100,5rtkit-daemon448-21wpa_supplicant1
301798100,5rtkit-daemon1485673-21chrt1
301798100,3rtkit-daemon3205-21sendmail-mta0
301798100,3rtkit-daemon1302525-21munin-node2
16998652100,8sleep11701919-21kthreadcore1
16855212100,3sleep11685552-21grep1
16030012101,7sleep00-21swapper/00
15886172101,6sleep21588651-21basename2
15428522100,5sleep21537586-21/usr/sbin/munin2
13181242101,6sleep21319083-21cut2
12897862100,6sleep30-21swapper/33
30179890,5rtkit-daemon317-21systemd-udevd1
30179890,5rtkit-daemon1427969-21perl1
30179890,4rtkit-daemon636-21snmpd0
30179890,4rtkit-daemon1615254-21sed0
30179890,4rtkit-daemon1549315-21ntp_states0
30179890,4rtkit-daemon1504758-21munin-run1
30179890,4rtkit-daemon1317703-21apt-get1
30179890,2rtkit-daemon1676043-21kworker/0:0+kacpid0
30179890,1rtkit-daemon0-21swapper/22
30179890,1rtkit-daemon0-21swapper/00
1646732291,5sleep21-21systemd2
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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