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2026-02-07 - 19:05
[ 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 376 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
1563246291,4sleep11563279-21apt-get1
1504691290,1sleep11505178-21gpg-connect-age1
1369530290,7sleep11369252-21/usr/sbin/munin1
1325578290,3sleep11327495-21kthreadcore1
1323826291,5sleep01323833-21cron0
30179880,5rtkit-daemon3205-21sendmail-mta0
30179880,5rtkit-daemon317-21systemd-udevd2
30179880,4rtkit-daemon667-21lldpd1
30179880,4rtkit-daemon667-21lldpd0
30179880,4rtkit-daemon638-21ntpd0
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon636-21snmpd1
30179880,4rtkit-daemon636-21snmpd1
30179880,4rtkit-daemon636-21snmpd0
30179880,4rtkit-daemon636-21snmpd0
30179880,4rtkit-daemon492-21gmain1
30179880,4rtkit-daemon448-21wpa_supplicant0
30179880,4rtkit-daemon448-21wpa_supplicant0
30179880,4rtkit-daemon3205-21sendmail-mta2
30179880,4rtkit-daemon3205-21sendmail-mta2
30179880,4rtkit-daemon3205-21sendmail-mta2
30179880,4rtkit-daemon317-21systemd-udevd0
30179880,4rtkit-daemon1659452-21kworker/0:1+kacpid0
30179880,4rtkit-daemon1569495-21latency_hist0
30179880,4rtkit-daemon1478166-21ntp_states1
30179880,4rtkit-daemon1460961-21cut1
30179880,4rtkit-daemon1314377-21cut1
30179880,4rtkit-daemon1302525-21munin-node1
30179880,4rtkit-daemon1302525-21munin-node0
30179880,4rtkit-daemon1302525-21munin-node0
30179880,4rtkit-daemon1302525-21munin-node0
30179880,3rtkit-daemon636-21snmpd1
30179880,3rtkit-daemon1290771-21irqrtprio1
30179880,1rtkit-daemon0-21swapper/00
30179880,1rtkit-daemon0-21swapper/00
1587818281,5sleep01587929-21python30
1576583281,4sleep21577570-21irqstats2
1556572281,4sleep21556585-21idleruntime-cro2
1556565281,4sleep1297-21systemd-journal1
1479747280,4sleep01480729-21/usr/sbin/munin0
1472852282,3sleep01472884-21apt-get0
1395242281,3sleep01395275-21apt-get0
1356119281,4sleep01356142-21munin-run0
1310977281,3sleep21311143-21sed2
30179870,4rtkit-daemon667-21lldpd0
30179870,4rtkit-daemon667-21lldpd0
30179870,4rtkit-daemon3205-21sendmail-mta0
30179870,4rtkit-daemon3200908-21packagekitd1
30179870,3rtkit-daemon667-21lldpd2
30179870,3rtkit-daemon638-21ntpd1
30179870,3rtkit-daemon638-21ntpd1
30179870,3rtkit-daemon636-21snmpd2
30179870,3rtkit-daemon1439415-21ntp_states1
30179870,3rtkit-daemon1363328-21ps2
30179870,3rtkit-daemon1302525-21munin-node1
30179870,2rtkit-daemon1554507-21kthreadcore0
1711180271,3sleep21711204-21apt-get2
1711180271,3sleep21711204-21apt-get2
1685885270,4sleep01686248-21cut0
1659865270,4sleep21659879-21find2
1604019270,4sleep11606099-21cut1
1571162270,4sleep11572798-21cut1
1530044270,4sleep01530261-21users0
1454831271,3sleep01454866-21kthreadcore0
1452215270,4sleep21452274-21ntp_states2
1434099271,2sleep20-21swapper/22
1388835270,4sleep21388984-21df_inode2
1388799270,3sleep11388832-21apt-get1
1349707270,4sleep11349752-21munin-run1
1349707270,4sleep11349752-21munin-run1
1335827270,5sleep01335870-21ps0
1330686270,4sleep11330800-21fschecks_time1
1290833270,4sleep01291980-21grep0
1719348261,2sleep20-21swapper/22
1718391261,2sleep10-21swapper/11
1685553260,1sleep20-21swapper/22
1673447261,2sleep20-21swapper/22
1620124260,3sleep21620182-21ntp_states2
1595045260,3sleep21595071-21apt-get2
1592684261,2sleep20-21swapper/22
1530886261,2sleep10-21swapper/11
1526208260,3sleep21528263-21kthreadcore2
1485159260,1sleep20-21swapper/22
1466198261,2sleep01466231-21apt-get0
1440051260,1sleep00-21swapper/00
1433538261,3sleep272-21kcompactd02
1421430260,3sleep21422324-21cut2
1420083260,3sleep01420343-21sed0
1410320260,3sleep01412415-21kthreadcore0
1372123260,3sleep01374296-21tr0
1337316260,3sleep01337515-21hddtemp_smartct0
1337114261,3sleep11337147-21apt-get1
1330093260,3sleep272-21kcompactd02
1324097261,2sleep00-21swapper/00
1311252260,3sleep01311282-21awk0
1304831260,3sleep01304986-21diskstats0
1294109260,3sleep21294887-21grep2
1704355250,3sleep21704356-21sshd2
1684550250,2sleep10-21swapper/11
1679076250,2sleep20-21swapper/22
1672320250,4sleep11296014-21cyclictest1
1665292250,2sleep11665400-21/usr/sbin/munin1
1659293250,1sleep10-21swapper/11
1655611251,2sleep20-21swapper/22
1647677251,2sleep11648603-21kthreadcore1
1640133250,1sleep20-21swapper/22
1633703250,1sleep10-21swapper/11
1633551250,1sleep20-21swapper/22
1622307250,3sleep11623500-21grep1
1607483250,1sleep20-21swapper/22
1590627250,2sleep10-21swapper/11
1582141250,1sleep10-21swapper/11
1563235250,1sleep20-21swapper/22
1562915250,1sleep10-21swapper/11
1544183250,3sleep21544232-21grep2
1538174250,3sleep11539124-21cat1
1532064250,3sleep21533272-21cut2
1517517250,3sleep00-21swapper/00
1511659250,3sleep20-21swapper/22
1511284250,3sleep20-21swapper/22
1505208250,2sleep00-21swapper/00
1499988250,3sleep21501497-21kthreadcore2
1485684250,2sleep00-21swapper/00
1476285250,3sleep244-21ksoftirqd/22
1468983251,2sleep20-21swapper/22
1459760250,2sleep20-21swapper/22
1459220250,1sleep20-21swapper/22
1446694251,2sleep00-21swapper/00
1426877250,1sleep00-21swapper/00
1416058251,2sleep20-21swapper/22
1408119250,2sleep20-21swapper/22
1407781250,1sleep20-21swapper/22
1396524251,2sleep10-21swapper/11
1382648250,2sleep01382810-21if_err_eno10
1382343250,2sleep10-21swapper/11
1381973250,1sleep00-21swapper/00
1375949250,2sleep10-21swapper/11
1368701250,1sleep10-21swapper/11
1364296250,3sleep01365878-21grep0
1362539250,1sleep10-21swapper/11
1356779250,3sleep01357206-21sed0
1317277250,1sleep20-21swapper/22
1302229252,2sleep21296014-21cyclictest2
1297688251,2sleep00-21swapper/00
1717064240,3sleep10-21swapper/11
1717064240,3sleep10-21swapper/11
1710911240,1sleep20-21swapper/22
1692883240,2sleep10-21swapper/11
1673079240,2sleep11673444-21irqcore1
1670543240,2sleep20-21swapper/22
1648606240,2sleep20-21swapper/22
1640763240,2sleep1321rcuc/11
1634178240,2sleep10-21swapper/11
1608430240,1sleep10-21swapper/11
1556909241,1sleep20-21swapper/22
1544039240,1sleep10-21swapper/11
1520858240,2sleep21523052-21grep2
1504622240,1sleep00-21swapper/00
1498108240,3sleep00-21swapper/00
1497592240,2sleep21497791-21grep2
1461876240,2sleep01463976-21cut0
1452840240,2sleep089-1kworker/0:1H+acpi_thermal_pm0
1446412240,3sleep20-21swapper/22
1407652242,1sleep00-21swapper/00
1349556240,3sleep00-21swapper/00
1349556240,3sleep00-21swapper/00
1710155230,1sleep10-21swapper/11
1693926230,1sleep20-21swapper/22
1614868230,1sleep10-21swapper/11
1608431230,1sleep20-21swapper/22
1596362230,1sleep10-21swapper/11
1587166230,1sleep10-21swapper/11
1427147230,1sleep00-21swapper/00
1393881230,1sleep00-21swapper/00
1355770230,1sleep10-21swapper/11
1569690220,1sleep20-21swapper/22
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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