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2025-12-05 - 18:01

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 highest latencies:
System rackeslot8s.osadl.org (updated Fri Dec 05, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14491179912570,1253cyclictest17723092sleep33
14491179912180,1214cyclictest17073552sleep33
14491179912121,1207cyclictest14731192sleep33
1449117992380,234cyclictest1497025-21turbostat3
1449117992240,221cyclictest1634345-21turbostat3
1449117992421,1cyclictest0-21swapper/33
1449117992119,1cyclictest0-21swapper/33
1449117992119,0cyclictest0-21swapper/33
190898200,4rtkit-daemon0-21swapper/11
1449117992018,1cyclictest0-21swapper/33
1449117992017,1cyclictest0-21swapper/33
1449117992017,1cyclictest0-21swapper/33
1449117991916,1cyclictest0-21swapper/33
1449117991916,1cyclictest0-21swapper/33
1449117991816,1cyclictest0-21swapper/33
1449117991815,1cyclictest0-21swapper/33
1449117991715,1cyclictest0-21swapper/33
1449117991715,1cyclictest0-21swapper/33
1449117991715,1cyclictest0-21swapper/33
1449117991715,1cyclictest0-21swapper/33
1449117991715,0cyclictest0-21swapper/33
1449117991714,1cyclictest0-21swapper/33
1449117991714,1cyclictest0-21swapper/33
1449117991714,1cyclictest0-21swapper/33
1449117991714,1cyclictest0-21swapper/33
1449117991714,1cyclictest0-21swapper/33
1449117991714,1cyclictest0-21swapper/33
1449117991614,1cyclictest0-21swapper/33
1449117991614,1cyclictest0-21swapper/33
1449117991614,1cyclictest0-21swapper/33
1449117991614,1cyclictest0-21swapper/33
1449117991614,1cyclictest0-21swapper/33
1449117991614,0cyclictest0-21swapper/33
1449117991613,1cyclictest0-21swapper/33
1449117991613,1cyclictest0-21swapper/33
1449117991613,1cyclictest0-21swapper/33
1449117991613,1cyclictest0-21swapper/33
1449117991613,1cyclictest0-21swapper/33
144911799161,11cyclictest16458522sleep33
144911799155,7cyclictest1525212-21taskset3
1449117991513,1cyclictest0-21swapper/33
1449117991513,1cyclictest0-21swapper/33
1449117991513,1cyclictest0-21swapper/33
1449117991513,1cyclictest0-21swapper/33
1449117991513,1cyclictest0-21swapper/33
1449117991513,1cyclictest0-21swapper/33
1449117991512,1cyclictest0-21swapper/33
1449117991512,1cyclictest0-21swapper/33
1449117991512,1cyclictest0-21swapper/33
1449117991512,1cyclictest0-21swapper/33
1449117991512,1cyclictest0-21swapper/33
144911799151,11cyclictest1748137-21taskset3
144911799141,9cyclictest1474690-21chrt3
1449117991412,1cyclictest0-21swapper/33
1449117991412,1cyclictest0-21swapper/33
1449117991412,1cyclictest0-21swapper/33
1449117991412,1cyclictest0-21swapper/33
1449117991412,1cyclictest0-21swapper/33
1449117991412,1cyclictest0-21swapper/33
1449117991412,1cyclictest0-21swapper/33
1449117991412,1cyclictest0-21swapper/33
1449117991411,1cyclictest0-21swapper/33
1449117991411,1cyclictest0-21swapper/33
144911799141,10cyclictest1699422-21taskset3
144911799141,10cyclictest1608116-21taskset3
190898130,6rtkit-daemon667-21snmpd0
17206692131,9sleep01720786-21ntpq0
15567812130,6sleep21558677-21grep2
144911799136,5cyclictest1486506-21chrt3
1449117991312,0cyclictest0-21swapper/33
1449117991311,1cyclictest0-21swapper/33
190898120,4rtkit-daemon667-21snmpd0
18368992120,4sleep21836925-21munin-run2
16565202120,8sleep01656659-21/usr/sbin/munin0
190898110,7rtkit-daemon1624668-21ssh0
190898110,4rtkit-daemon1828610-21ssh0
190898110,3rtkit-daemon81364-21packagekitd2
17723792110,7sleep01772387-21ssh0
17625292110,7sleep01762537-21ssh0
17401582111,8sleep10-21swapper/11
14583352111,4sleep2667-21snmpd2
190898100,6rtkit-daemon81364-21packagekitd2
190898100,5rtkit-daemon1722862-21ssh2
190898100,5rtkit-daemon1699578-21df2
190898100,5rtkit-daemon1617357-21ssh0
190898100,4rtkit-daemon1796579-21ssh0
190898100,3rtkit-daemon473-21gmain0
190898100,3rtkit-daemon1650255-21ssh2
17713812101,7sleep11771387-21ssh1
16735402101,3sleep21673547-21sh2
16589162101,6sleep11659005-21cpuspeed_turbos1
15687682100,7sleep01568776-21ssh0
15678092100,1sleep11567817-21ssh1
19089890,6rtkit-daemon667-21snmpd2
19089890,5rtkit-daemon438-21wpa_supplicant2
19089890,5rtkit-daemon1666938-21chrt1
19089890,5rtkit-daemon1634033-21ssh0
19089890,5rtkit-daemon1537146-21ssh2
19089890,5rtkit-daemon1514439-21irqrtprio2
19089890,4rtkit-daemon438-21wpa_supplicant1
19089890,4rtkit-daemon1804957-21df_inode0
19089890,4rtkit-daemon1681429-21ssh1
19089890,3rtkit-daemon473-21gmain2
19089890,3rtkit-daemon473-21gmain2
19089890,1rtkit-daemon0-21swapper/22
19089890,1rtkit-daemon0-21swapper/22
19089890,1rtkit-daemon0-21swapper/22
19089890,1rtkit-daemon0-21swapper/22
19089890,1rtkit-daemon0-21swapper/00
1772094291,5sleep21772308-21ssh2
1731379291,6sleep20-21swapper/22
1683121291,4sleep01683158-21apt-get0
1641131290,3sleep11641139-21ssh1
1639856291,5sleep21639919-21ntp_states2
1484470290,1sleep21486505-21grep2
1454366290,5sleep11454443-21ntp_states1
14491179998,1cyclictest0-21swapper/33
19089880,5rtkit-daemon1928-21sendmail-mta2
19089880,4rtkit-daemon81364-21packagekitd2
19089880,4rtkit-daemon671-21ntpd2
19089880,4rtkit-daemon667-21snmpd2
19089880,4rtkit-daemon667-21snmpd2
19089880,4rtkit-daemon667-21snmpd2
19089880,4rtkit-daemon667-21snmpd0
19089880,4rtkit-daemon438-21wpa_supplicant2
19089880,4rtkit-daemon431ktimers/22
19089880,4rtkit-daemon1544233-21ssh2
19089880,4rtkit-daemon1455452-21munin-node2
19089880,4rtkit-daemon1455452-21munin-node2
19089880,4rtkit-daemon0-21swapper/00
19089880,1rtkit-daemon0-21swapper/22
1851858281,5sleep11851866-21ssh1
1845284281,3sleep21845323-21apt-get2
1813651281,4sleep21814570-21tr2
1794939280,1sleep10-21swapper/11
1755854281,4sleep01755929-21cat0
1746724280,1sleep00-21swapper/00
1738190280,5sleep01738198-21ssh0
1722016280,1sleep10-21swapper/11
1675428280,5sleep01675697-21sed0
1599898280,1sleep00-21swapper/00
1551791280,6sleep11551797-21ssh1
1466853281,3sleep11466866-21apt-get1
19089870,4rtkit-daemon81364-21packagekitd2
19089870,4rtkit-daemon81364-21packagekitd0
19089870,4rtkit-daemon671-21ntpd2
19089870,4rtkit-daemon667-21snmpd2
19089870,4rtkit-daemon1928-21sendmail-mta2
19089870,4rtkit-daemon1455452-21munin-node2
19089870,4rtkit-daemon0-21swapper/22
19089870,3rtkit-daemon81364-21packagekitd2
19089870,3rtkit-daemon674-21lldpd0
19089870,3rtkit-daemon671-21ntpd2
19089870,3rtkit-daemon473-21gmain2
19089870,3rtkit-daemon473-21gmain2
19089870,3rtkit-daemon473-21gmain2
19089870,3rtkit-daemon421-21avahi-daemon2
19089870,3rtkit-daemon1770274-21ssh0
19089870,3rtkit-daemon1657171-21ssh1
19089870,3rtkit-daemon1600824-21ssh1
19089870,3rtkit-daemon1455452-21munin-node2
19089870,3rtkit-daemon1455452-21munin-node2
1838359271,4sleep01839509-21kthreadcore0
1821043272,3sleep11803222-21kworker/u16:1+xprtiod1
1812852270,3sleep11812891-21apt-get1
1807601271,3sleep11809710-21cut1
1786699270,1sleep10-21swapper/11
1764503270,4sleep21764266-21/usr/sbin/munin2
1748567271,4sleep21749560-21irqstats2
1725073270,4sleep01726185-21cut0
1685542270,5sleep21687522-21kthreadcore2
1680819270,4sleep21680827-21ssh2
1665112271,3sleep01665120-21ssh0
1606366271,3sleep01607396-21memory0
1593580270,4sleep21593588-21ssh2
1591088271,4sleep01591152-21ntp_states0
1538114273,2sleep10-21swapper/11
1537109270,1sleep00-21swapper/00
1521788271,3sleep01465548-21kworker/0:0+events0
1511707270,4sleep11511771-21munin-run1
1456065271,3sleep00-21swapper/00
1842675260,3sleep21842812-21cat2
1812073260,1sleep20-21swapper/22
1803648260,3sleep11803656-21ssh1
1788602260,4sleep21788749-21df2
1787604260,4sleep21513007-21diskmemload2
1772353260,3sleep11772361-21ssh1
1761379260,3sleep21761464-21ssh2
1754184260,1sleep10-21swapper/11
1731731260,3sleep11731770-21apt-get1
1713378260,1sleep00-21swapper/00
1705814260,1sleep00-21swapper/00
1674209260,1sleep00-21swapper/00
1664928260,4sleep21664934-21ssh2
1642716261,2sleep10-21swapper/11
1617863261,3sleep11617871-21ssh1
1615728260,3sleep21615822-21ssh2
1602136260,3sleep21601717-21apt-get2
1585304260,1sleep00-21swapper/00
1584346260,1sleep10-21swapper/11
1576466260,1sleep10-21swapper/11
1569802260,3sleep01569839-21apt-get0
1543425260,1sleep00-21swapper/00
1532055260,4sleep11534132-21kthreadcore1
1504714261,2sleep00-21swapper/00
1497634261,3sleep01497637-21cron0
1495811260,1sleep10-21swapper/11
1483459260,3sleep11484469-21grep1
1482222261,3sleep11-21systemd1
1481190260,1sleep00-21swapper/00
1459171261,2sleep01459204-21apt-get0
1458651260,3sleep11459144-21store1
19089850,1rtkit-daemon0-21swapper/11
1827413250,3sleep20-21swapper/22
1761642251,2sleep10-21swapper/11
1694807251,2sleep10-21swapper/11
1609136250,3sleep11609144-21ssh1
1561376250,3sleep11561382-21ssh1
1545553250,2sleep01545590-21apt-get0
1528715251,2sleep10-21swapper/11
1515526251,2sleep11517525-21kthreadcore1
1497273250,1sleep10-21swapper/11
1496686250,1sleep00-21swapper/00
1496081250,1sleep00-21swapper/00
1489200250,1sleep00-21swapper/00
1489200250,1sleep00-21swapper/00
1489066250,1sleep10-21swapper/11
1489066250,1sleep10-21swapper/11
1481201250,1sleep10-21swapper/11
1474084250,1sleep10-21swapper/11
1473487250,1sleep00-21swapper/00
1466369250,1sleep00-21swapper/00
1466145250,1sleep10-21swapper/11
1448900250,2sleep01448901-21pool-udisksd0
1842545240,2sleep10-21swapper/11
1798805240,2sleep21799762-21kthreadcore2
1723573240,2sleep11723581-21ssh1
1713625240,2sleep11713633-21ssh1
1627574240,2sleep20-21swapper/22
1626568240,2sleep10-21swapper/11
1624425240,2sleep11624433-21ssh1
1618462240,2sleep21618496-21apt-get2
1519810240,3sleep00-21swapper/00
1503681240,3sleep00-21swapper/00
1499368240,2sleep11501043-21grep1
1489879241,2sleep172-21kcompactd01
1480461240,3sleep00-21swapper/00
1466832240,2sleep00-21swapper/00
1465571240,3sleep00-21swapper/00
1458540240,3sleep00-21swapper/00
1829076230,1sleep10-21swapper/11
1642674230,1sleep00-21swapper/00
1512987230,1sleep10-21swapper/11
1512739230,1sleep00-21swapper/00
1512109230,1sleep10-21swapper/11
1512004230,1sleep00-21swapper/00
1505696230,1sleep00-21swapper/00
1505088230,1sleep00-21swapper/00
1504564230,1sleep10-21swapper/11
1497001230,1sleep10-21swapper/11
1489845230,1sleep00-21swapper/00
1482478230,1sleep00-21swapper/00
1481936230,1sleep00-21swapper/00
1474653230,1sleep10-21swapper/11
1474036230,1sleep00-21swapper/00
1458499230,2sleep10-21swapper/11
1457624230,2sleep10-21swapper/11
1449561230,1sleep00-21swapper/00
1448616230,1sleep10-21swapper/11
1505022220,1sleep10-21swapper/11
1473122220,1sleep10-21swapper/11
1465436220,1sleep10-21swapper/11
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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