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2026-01-21 - 17:42
[ 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 792 highest latencies:
System rackeslot8s.osadl.org (updated Wed Jan 21, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16556489913771,1371cyclictest19804852sleep33
16556489912910,1287cyclictest18833162sleep33
16556489912200,1217cyclictest19157292sleep33
16556489912041,1199cyclictest20128412sleep33
16556489911381,1133cyclictest19481062sleep33
16556489911350,1131cyclictest20770502sleep33
16556489911280,1124cyclictest20449312sleep33
16556489911080,1104cyclictest18511792sleep33
19029462330,31sleep21780019-21kworker/u16:2+efi_rts_wq2
1655648992219,1cyclictest0-21swapper/33
1655648992017,1cyclictest0-21swapper/33
165564899187,7cyclictest19350392sleep33
165564899181,13cyclictest1915507-21turbostat3
1655648991714,1cyclictest0-21swapper/33
1655648991714,1cyclictest0-21swapper/33
1655648991714,1cyclictest0-21swapper/33
165564899171,12cyclictest1812944-21taskset3
1655648991613,1cyclictest0-21swapper/33
165564899161,11cyclictest1734991-21turbostat3
1655648991513,1cyclictest0-21swapper/33
1655648991513,0cyclictest0-21swapper/33
1655648991512,1cyclictest0-21swapper/33
1655648991512,1cyclictest0-21swapper/33
1655648991512,1cyclictest0-21swapper/33
1655648991512,1cyclictest0-21swapper/33
1655648991512,1cyclictest0-21swapper/33
165564899151,11cyclictest1844790-21turbostat3
165564899151,10cyclictest1977119-21taskset3
165564899151,10cyclictest1977119-21taskset3
165564899151,10cyclictest1754120-21taskset3
301798140,3rtkit-daemon1911121-21kthreadcore2
165564899143,8cyclictest1684113-21taskset3
1655648991413,0cyclictest0-21swapper/33
1655648991412,1cyclictest0-21swapper/33
1655648991412,1cyclictest0-21swapper/33
1655648991412,1cyclictest0-21swapper/33
1655648991412,0cyclictest0-21swapper/33
1655648991412,0cyclictest0-21swapper/33
1655648991411,1cyclictest0-21swapper/33
1655648991411,1cyclictest0-21swapper/33
1655648991411,1cyclictest0-21swapper/33
1655648991411,1cyclictest0-21swapper/33
165564899141,10cyclictest2057196-21chrt3
165564899141,10cyclictest1993794-21chrt3
165564899141,10cyclictest1922154-21taskset3
165564899141,10cyclictest1812336-21taskset3
165564899141,10cyclictest1799572-21chrt3
165564899141,10cyclictest1675544-21taskset3
20446882131,9sleep12044719-21awk1
18272032130,6sleep11829048-21cut1
165564899136,5cyclictest1741432-21turbostat3
165564899131,9cyclictest2058120-21taskset3
165564899131,9cyclictest1966771-21taskset3
165564899131,9cyclictest1832183-21taskset3
165564899131,9cyclictest1820265-21taskset3
165564899131,9cyclictest1728229-21chrt3
165564899131,8cyclictest19285932sleep33
1655648991312,0cyclictest0-21swapper/33
1655648991312,0cyclictest0-21swapper/33
165564899131,10cyclictest1960535-21taskset3
165564899131,10cyclictest1864279-21taskset3
165564899131,10cyclictest1696762-21taskset3
1655648991311,0cyclictest0-21swapper/33
1655648991311,0cyclictest0-21swapper/33
165564899130,11cyclictest2070438-21taskset3
165564899130,10cyclictest2037916-21chrt3
165564899130,10cyclictest1902384-21chrt3
20706512121,7sleep12070684-21apt-get1
19154842121,8sleep11915520-21basename1
18002492120,9sleep21800439-21cut2
18002492120,9sleep21800439-21cut2
17616622121,3sleep10-21swapper/11
165564899123,7cyclictest1708994-21taskset3
165564899121,9cyclictest2012317-21taskset3
165564899121,8cyclictest1760549-21taskset3
1655648991210,1cyclictest0-21swapper/33
165564899120,9cyclictest2070648-21chrt3
165564899120,9cyclictest2025721-21taskset3
301798110,7rtkit-daemon1662153-21munin-node0
301798110,6rtkit-daemon1703300-21df0
301798110,4rtkit-daemon636-21snmpd2
301798110,4rtkit-daemon1662153-21munin-node0
17414122111,6sleep01741779-21latency_hist0
16554952110,5sleep30-21swapper/33
301798100,6rtkit-daemon1896471-21/usr/sbin/munin2
301798100,5rtkit-daemon1980158-21cat2
301798100,5rtkit-daemon1980158-21cat2
301798100,5rtkit-daemon1806685-21diskstats0
301798100,3rtkit-daemon1662153-21munin-node2
19029102101,6sleep10-21swapper/11
18450242102,4sleep21845057-21apt-get2
30179890,6rtkit-daemon14-21ksoftirqd/00
30179890,5rtkit-daemon3205-21sendmail-mta0
30179890,5rtkit-daemon1991561-21cut2
30179890,5rtkit-daemon1991561-21cut2
30179890,4rtkit-daemon1872373-21grep2
30179890,4rtkit-daemon1816981-21kthreadcore0
30179890,4rtkit-daemon1719709-21cut0
30179890,4rtkit-daemon1649430-21apt-get0
30179890,3rtkit-daemon1662153-21munin-node2
1967383291,3sleep11967416-21apt-get1
1898454290,1sleep11900532-21kthreadcore1
1884512291,1sleep10-21swapper/11
1812908291,3sleep21812941-21apt-get2
1781162290,6sleep11781351-21cut1
1742108290,6sleep11742155-21/usr/sbin/munin1
1722402291,4sleep11722435-21apt-get1
1669689291,4sleep21669745-21ntp_states2
30179880,5rtkit-daemon3205-21sendmail-mta2
30179880,4rtkit-daemon667-21lldpd2
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon636-21snmpd2
30179880,4rtkit-daemon636-21snmpd0
30179880,4rtkit-daemon636-21snmpd0
30179880,4rtkit-daemon448-21wpa_supplicant2
30179880,4rtkit-daemon448-21wpa_supplicant2
30179880,4rtkit-daemon448-21wpa_supplicant0
30179880,4rtkit-daemon3205-21sendmail-mta2
30179880,4rtkit-daemon3205-21sendmail-mta2
30179880,4rtkit-daemon3205-21sendmail-mta2
30179880,4rtkit-daemon317-21systemd-udevd2
30179880,4rtkit-daemon2904-21cron0
30179880,4rtkit-daemon2043847-21ntp_states2
30179880,4rtkit-daemon1895525-21python32
30179880,4rtkit-daemon1800090-21apt-get0
30179880,4rtkit-daemon1800090-21apt-get0
30179880,4rtkit-daemon1662153-21munin-node2
30179880,4rtkit-daemon1662153-21munin-node2
30179880,4rtkit-daemon1662153-21munin-node0
30179880,4rtkit-daemon1662153-21munin-node0
30179880,4rtkit-daemon0-21swapper/22
30179880,4rtkit-daemon0-21swapper/22
30179880,4rtkit-daemon0-21swapper/22
30179880,4rtkit-daemon0-21swapper/00
30179880,4rtkit-daemon0-21swapper/00
30179880,4rtkit-daemon0-21swapper/00
30179880,3rtkit-daemon636-21snmpd2
30179880,1rtkit-daemon0-21swapper/22
2078522280,5sleep22080200-21tail2
2077066281,3sleep12077098-21apt-get1
2058004280,2sleep22058119-21perl2
2056855281,4sleep22057087-21grep2
1998885281,4sleep21999010-21python32
1980498281,4sleep01980529-21apt0
1877332281,4sleep01877532-21hddtemp_smartct0
1858886280,5sleep01860089-21kthreadcore0
1832147280,2sleep20-21swapper/22
1787639281,4sleep01788635-21irqstats0
1775550281,4sleep01777065-21grep0
1673390281,4sleep20-21swapper/22
1661065280,5sleep11661122-21ntpq1
30179870,4rtkit-daemon636-21snmpd0
30179870,4rtkit-daemon1662153-21munin-node2
30179870,4rtkit-daemon1662153-21munin-node0
30179870,3rtkit-daemon636-21snmpd2
30179870,3rtkit-daemon636-21snmpd0
30179870,3rtkit-daemon492-21gmain2
30179870,3rtkit-daemon3205-21sendmail-mta2
30179870,3rtkit-daemon3205-21sendmail-mta2
30179870,3rtkit-daemon1662153-21munin-node0
30179870,1rtkit-daemon0-21swapper/22
2065665271,4sleep12067228-21grep1
2058280270,5sleep02059272-21uname0
1993567271,2sleep01993600-21apt-get0
1870807270,5sleep10-21swapper/11
1838332270,5sleep01838542-21latency_hist0
1830996270,4sleep01831055-21ntp_states0
1819521270,4sleep11819720-21hddtemp_smartct1
1793632270,4sleep11793697-21cpuspeed_turbos1
1788636270,4sleep11790028-21cut1
1703153270,1sleep20-21swapper/22
1703117270,3sleep11703150-21apt-get1
1664404271,3sleep11664437-21apt-get1
30179860,3rtkit-daemon638-21ntpd2
2059273261,3sleep10-21swapper/11
2032543261,2sleep10-21swapper/11
2025413260,1sleep10-21swapper/11
2015472260,3sleep02017603-21tr0
2009102261,2sleep00-21swapper/00
2001412260,3sleep02002693-21cut0
1986441260,1sleep10-21swapper/11
1973820260,3sleep11973852-21apt-get1
1973820260,3sleep11973852-21apt-get1
1948119261,2sleep10-21swapper/11
1928630260,3sleep01928782-21df_inode0
1923608260,4sleep01924851-21kthreadcore0
1922340260,3sleep11922442-21fschecks_time1
1921282260,3sleep11921530-21awk1
1890036261,2sleep00-21swapper/00
1883574261,2sleep01883607-21apt-get0
1864326260,4sleep01864476-21sh0
1840044260,4sleep01840081-21kthreadcore0
1825228260,1sleep00-21swapper/00
1795612261,2sleep20-21swapper/22
1773547260,1sleep20-21swapper/22
1769952261,2sleep10-21swapper/11
1766545260,3sleep21761222-21/usr/sbin/munin2
1760922260,4sleep21760923-21sshd2
1754975261,3sleep11755119-21grep1
1741203260,1sleep10-21swapper/11
1683238260,1sleep20-21swapper/22
1651315260,3sleep21653035-21kthreadcore2
2064209250,2sleep00-21swapper/00
2054140250,2sleep1321rcuc/11
2052834250,2sleep00-21swapper/00
2038970250,3sleep02039932-21sed0
2038013250,1sleep00-21swapper/00
2025724250,2sleep10-21swapper/11
2012502250,1sleep10-21swapper/11
2002694250,2sleep12004864-21kthreadcore1
1999370250,1sleep10-21swapper/11
1993172250,1sleep00-21swapper/00
1993172250,1sleep00-21swapper/00
1989908250,2sleep11992109-21kthreadcore1
1989908250,2sleep11992109-21kthreadcore1
1973818251,2sleep00-21swapper/00
1973818251,2sleep00-21swapper/00
1967689250,3sleep00-21swapper/00
1960947250,2sleep00-21swapper/00
1955843250,2sleep10-21swapper/11
1954555252,1sleep00-21swapper/00
1947175250,3sleep01947423-21sed0
1941704251,1sleep10-21swapper/11
1940998250,1sleep10-21swapper/11
1936486252,1sleep0151ktimers/00
1921773250,1sleep00-21swapper/00
1909434250,3sleep01909543-21entropy0
1908836250,3sleep00-21swapper/00
1902302250,1sleep00-21swapper/00
1876654250,1sleep00-21swapper/00
1870242250,1sleep10-21swapper/11
1863735250,1sleep10-21swapper/11
1838586250,1sleep10-21swapper/11
1813212251,2sleep10-21swapper/11
1812354250,1sleep10-21swapper/11
1806490250,3sleep21806498-21cat2
1754216250,1sleep20-21swapper/22
1748078250,1sleep20-21swapper/22
1728996251,1sleep10-21swapper/11
1723855250,3sleep21725041-21grep2
1715615250,1sleep20-21swapper/22
1696178250,1sleep20-21swapper/22
1689798250,1sleep20-21swapper/22
1685212251,2sleep10-21swapper/11
1683386250,1sleep10-21swapper/11
1657255251,2sleep21657293-21kthreadcore2
1655192250,1sleep10-21swapper/11
2076115240,2sleep00-21swapper/00
2044933240,3sleep00-21swapper/00
2019294240,1sleep00-21swapper/00
1961928240,2sleep11962879-21kthreadcore1
1953471240,2sleep01953589-21smartctl0
1851665240,2sleep01851865-21smartctl0
1850833240,3sleep10-21swapper/11
1845214240,2sleep00-21swapper/00
1787367240,1sleep21787462-21grep2
1781352240,2sleep20-21swapper/22
1774397240,2sleep20-21swapper/22
1734813240,3sleep20-21swapper/22
1719072240,2sleep20-21swapper/22
1717402240,2sleep1321rcuc/11
1710989240,2sleep1331ktimers/11
1702538240,1sleep10-21swapper/11
1672198240,2sleep11673389-21grep1
2082519230,1sleep00-21swapper/00
2049467230,1sleep10-21swapper/11
2026027230,1sleep00-21swapper/00
2013159230,1sleep10-21swapper/11
1928783230,1sleep10-21swapper/11
1890072230,1sleep10-21swapper/11
1877137230,1sleep10-21swapper/11
1851462230,1sleep10-21swapper/11
1831896230,1sleep10-21swapper/11
1801526230,1sleep10-21swapper/11
1801526230,1sleep10-21swapper/11
1779455230,1sleep10-21swapper/11
1748569230,1sleep10-21swapper/11
1735429230,1sleep20-21swapper/22
1696726230,1sleep20-21swapper/22
1695515230,1sleep10-21swapper/11
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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