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2026-01-05 - 07:45

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 Mon Jan 05, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13701479912490,1245cyclictest15340072sleep33
13701479912210,1217cyclictest16758162sleep33
13701479911720,1168cyclictest17467432sleep33
1370147994070,404cyclictest1565893-21turbostat3
1370147994070,404cyclictest1565893-21turbostat3
1370147992017,1cyclictest0-21swapper/33
1370147992016,1cyclictest0-21swapper/33
1370147991714,1cyclictest0-21swapper/33
137014799165,8cyclictest1520566-21taskset3
1370147991613,1cyclictest0-21swapper/33
1370147991613,1cyclictest0-21swapper/33
1370147991613,1cyclictest0-21swapper/33
137014799161,12cyclictest1618133-21taskset3
137014799161,11cyclictest1591867-21taskset3
137014799161,10cyclictest1502008-21chrt3
301798150,2rtkit-daemon0-21swapper/22
137014799155,7cyclictest17224812sleep33
1370147991512,1cyclictest0-21swapper/33
1370147991512,1cyclictest0-21swapper/33
1370147991512,1cyclictest0-21swapper/33
1370147991512,1cyclictest0-21swapper/33
137014799151,11cyclictest1456523-21taskset3
137014799151,10cyclictest1778176-21taskset3
137014799151,10cyclictest1701515-21turbostat3
137014799151,10cyclictest1611693-21taskset3
137014799151,10cyclictest1482457-21taskset3
137014799151,10cyclictest1426553-21taskset3
137014799151,10cyclictest1376515-21turbostat3
13661042151,2sleep20-21swapper/22
137014799146,6cyclictest1553060-21sleep3
137014799144,7cyclictest1437640-21taskset3
1370147991413,0cyclictest0-21swapper/33
1370147991412,1cyclictest0-21swapper/33
1370147991412,1cyclictest0-21swapper/33
1370147991412,1cyclictest0-21swapper/33
1370147991412,1cyclictest0-21swapper/33
1370147991412,0cyclictest0-21swapper/33
1370147991412,0cyclictest0-21swapper/33
1370147991412,0cyclictest0-21swapper/33
1370147991411,1cyclictest0-21swapper/33
1370147991411,1cyclictest0-21swapper/33
1370147991411,1cyclictest0-21swapper/33
137014799141,10cyclictest1785538-21taskset3
137014799141,10cyclictest1732923-21taskset3
137014799141,10cyclictest1707897-21taskset3
137014799141,10cyclictest1547245-21taskset3
137014799141,10cyclictest1475808-21taskset3
137014799140,11cyclictest1798127-21turbostat3
301798130,8rtkit-daemon1792155-21awk1
137014799132,8cyclictest1598557-21taskset3
137014799131,9cyclictest1650487-21taskset3
137014799131,9cyclictest1649878-21taskset3
1370147991312,0cyclictest0-21swapper/33
1370147991312,0cyclictest0-21swapper/33
137014799131,10cyclictest1676077-21taskset3
137014799131,10cyclictest1585195-21taskset3
137014799131,10cyclictest1475281-21taskset3
1370147991311,0cyclictest0-21swapper/33
1370147991311,0cyclictest0-21swapper/33
1370147991311,0cyclictest0-21swapper/33
1370147991310,1cyclictest0-21swapper/33
137014799130,9cyclictest17660452sleep33
137014799130,10cyclictest1710519-21taskset3
137014799130,10cyclictest1630311-21chrt3
137014799130,10cyclictest1578503-21taskset3
137014799130,10cyclictest1404495-21taskset3
14394032120,3sleep11441470-21cut1
14297652125,5sleep01429875-21grep0
137014799123,7cyclictest1443608-21taskset3
137014799122,7cyclictest1436071-21taskset3
137014799121,8cyclictest1740343-21taskset3
137014799120,9cyclictest1739703-21chrt3
137014799120,9cyclictest1682505-21taskset3
301798110,6rtkit-daemon1566320-21df2
301798110,6rtkit-daemon1566320-21df2
301798110,5rtkit-daemon1758682-21python31
301798110,5rtkit-daemon1758682-21python31
301798110,3rtkit-daemon636-21snmpd2
301798110,3rtkit-daemon1376706-21munin-node2
16634602110,8sleep01663573-21perl0
16323722111,8sleep20-21swapper/22
16266282111,8sleep00-21swapper/00
13639612111,6sleep11364107-21df1
301798100,6rtkit-daemon636-21snmpd2
301798100,6rtkit-daemon448-21wpa_supplicant1
301798100,5rtkit-daemon1688947-21apt-get1
301798100,5rtkit-daemon1663045-21munin-run1
301798100,5rtkit-daemon1502154-21df2
301798100,5rtkit-daemon1456677-21df_inode2
301798100,5rtkit-daemon1416553-21sed2
301798100,5rtkit-daemon1385937-21df_inode2
301798100,3rtkit-daemon1376706-21munin-node1
301798100,1rtkit-daemon0-21swapper/22
17079012101,6sleep21-21systemd2
16760902101,5sleep01676112-21apt-get0
15650552101,5sleep11565171-21python31
15500702100,1sleep20-21swapper/22
15408652101,6sleep11541385-21sed1
14877232101,5sleep01487781-21ntp_states0
13693202101,5sleep01369554-21grep0
30179890,5rtkit-daemon636-21snmpd2
30179890,5rtkit-daemon3205-21sendmail-mta1
30179890,4rtkit-daemon1650217-21munin-run2
30179890,4rtkit-daemon1394398-21cut2
30179890,3rtkit-daemon492-21gmain2
1790878291,5sleep01791002-21python30
1778694291,4sleep21778658-21apt-get2
1663271291,4sleep21663304-21apt-get2
1579044291,4sleep01579077-21apt-get0
1545715291,5sleep21545773-21ntp_states2
1488943291,4sleep11489092-21df_inode1
1436116291,5sleep01436232-21python30
1423285291,5sleep11423373-21sort1
30179880,4rtkit-daemon667-21lldpd2
30179880,4rtkit-daemon638-21ntpd2
30179880,4rtkit-daemon638-21ntpd2
30179880,4rtkit-daemon638-21ntpd1
30179880,4rtkit-daemon636-21snmpd1
30179880,4rtkit-daemon448-21wpa_supplicant2
30179880,4rtkit-daemon2904-21cron2
30179880,4rtkit-daemon2904-21cron1
30179880,4rtkit-daemon1376706-21munin-node2
30179880,4rtkit-daemon1376706-21munin-node2
30179880,4rtkit-daemon1376706-21munin-node1
30179880,4rtkit-daemon0-21swapper/11
30179880,3rtkit-daemon1618533-21idleruntime2
30179880,3rtkit-daemon1528769-21sed2
30179880,1rtkit-daemon0-21swapper/22
30179880,1rtkit-daemon0-21swapper/22
30179880,1rtkit-daemon0-21swapper/11
30179880,1rtkit-daemon0-21swapper/11
1779159280,4sleep11779192-21apt-get1
1682717281,4sleep11682914-21hddtemp_smartct1
1668692281,4sleep11668837-21expr1
1448874280,5sleep21448934-21ntpq2
1400128281,5sleep11401623-21kthreadcore1
1397520281,4sleep01397576-21ntp_states0
1376495281,4sleep21376852-21apt-config2
1374234281,4sleep01375460-21memory0
30179870,4rtkit-daemon636-21snmpd1
30179870,4rtkit-daemon492-21gmain2
30179870,4rtkit-daemon492-21gmain2
30179870,4rtkit-daemon3200908-21packagekitd2
30179870,4rtkit-daemon1376706-21munin-node1
30179870,3rtkit-daemon638-21ntpd2
30179870,3rtkit-daemon638-21ntpd2
30179870,3rtkit-daemon638-21ntpd2
30179870,3rtkit-daemon638-21ntpd2
30179870,3rtkit-daemon636-21snmpd2
30179870,3rtkit-daemon636-21snmpd1
30179870,3rtkit-daemon636-21snmpd1
30179870,3rtkit-daemon636-21snmpd1
30179870,3rtkit-daemon3205-21sendmail-mta2
30179870,3rtkit-daemon3205-21sendmail-mta2
30179870,3rtkit-daemon317-21systemd-udevd2
30179870,3rtkit-daemon1482469-21/usr/sbin/munin2
1759630271,2sleep20-21swapper/22
1728248270,4sleep01729007-21grep0
1727061270,1sleep00-21swapper/00
1720017271,3sleep01720124-21find0
1714282270,1sleep00-21swapper/00
1650847270,5sleep21651077-21cut2
1620553271,4sleep01622663-21cut0
1605408271,4sleep11605875-21cut1
1578652270,1sleep00-21swapper/00
1566141271,3sleep11566174-21apt-get1
1566141271,3sleep11566174-21apt-get1
1552479271,3sleep01552664-21users0
1534020271,3sleep11534053-21apt-get1
1501453270,4sleep11501454-21cron1
1501384270,5sleep0636-21snmpd0
1469006270,1sleep00-21swapper/00
1455196270,5sleep21455261-21needreboot2
1437236270,3sleep01437382-21df0
1430776270,4sleep11430919-21df1
1411068271,3sleep172-21kcompactd01
1370306271,3sleep11370339-21apt-get1
1785026260,1sleep00-21swapper/00
1772485260,2sleep21772518-21apt-get2
1771912260,1sleep00-21swapper/00
1769975260,3sleep21771168-21memory2
1765488260,1sleep00-21swapper/00
1751970260,3sleep01752078-21ntpq0
1746245260,1sleep00-21swapper/00
1740708260,3sleep21741222-21irqcore2
1739705260,1sleep00-21swapper/00
1714141260,1sleep20-21swapper/22
1701445260,1sleep00-21swapper/00
1692547261,2sleep01694037-21cut0
1688480260,1sleep00-21swapper/00
1678991262,2sleep20-21swapper/22
1637616261,3sleep11637759-21df1
1637580260,2sleep00-21swapper/00
1554747260,3sleep01556317-21grep0
1533072260,4sleep11527653-21/usr/sbin/munin1
1514799260,2sleep10-21swapper/11
1507926260,1sleep00-21swapper/00
1494895260,1sleep00-21swapper/00
1483961260,4sleep11485898-21kthreadcore1
1481597260,1sleep00-21swapper/00
1474413260,4sleep11474585-21strings1
1457946261,3sleep01459414-21kthreadcore0
1456229260,4sleep01456244-21latency_hist0
1443621260,3sleep11443654-21apt-get1
1411165260,1sleep00-21swapper/00
1392415260,3sleep11392450-21cut1
1391717260,1sleep00-21swapper/00
1378600261,3sleep01379108-21munin-node0
1364164260,3sleep30-21swapper/33
1792942250,3sleep21793947-21cat2
1791596250,1sleep20-21swapper/22
1753191250,2sleep01753224-21apt-get0
1753191250,2sleep01753224-21apt-get0
1752626250,1sleep20-21swapper/22
1733513250,1sleep20-21swapper/22
1720489251,2sleep272-21kcompactd02
1706122251,2sleep00-21swapper/00
1696353251,2sleep21697462-21grep2
1689707251,2sleep20-21swapper/22
1687626250,1sleep20-21swapper/22
1675493250,1sleep20-21swapper/22
1662672250,1sleep20-21swapper/22
1656834250,1sleep00-21swapper/00
1656582250,1sleep10-21swapper/11
1650449250,1sleep00-21swapper/00
1644040250,2sleep01644073-21apt-get0
1636945250,1sleep00-21swapper/00
1630623251,2sleep1321rcuc/11
1618091250,1sleep10-21swapper/11
1617818250,1sleep10-21swapper/11
1611142250,2sleep01611164-21apt-get0
1600023250,3sleep11601383-21cut1
1586909250,2sleep01586948-21kthreadcore0
1534248250,3sleep00-21swapper/00
1533597250,1sleep00-21swapper/00
1527328250,1sleep10-21swapper/11
1527192250,1sleep00-21swapper/00
1520758250,1sleep00-21swapper/00
1508361250,2sleep10-21swapper/11
1481702250,1sleep10-21swapper/11
1463609250,2sleep10-21swapper/11
1456476250,1sleep10-21swapper/11
1456011250,1sleep10-21swapper/11
1424320250,2sleep10-21swapper/11
1417414250,1sleep10-21swapper/11
1398683250,1sleep00-21swapper/00
1391897250,1sleep10-21swapper/11
1380700250,3sleep11379242-21/usr/sbin/munin1
1773978240,2sleep01775905-21cut0
1754714240,2sleep21756715-21kthreadcore2
1754714240,2sleep21756715-21kthreadcore2
1733871240,1sleep20-21swapper/22
1726994240,3sleep20-21swapper/22
1610932240,3sleep00-21swapper/00
1598570240,2sleep00-21swapper/00
1597996240,3sleep10-21swapper/11
1594838240,2sleep00-21swapper/00
1588056240,2sleep11590202-21kthreadcore1
1584303240,1sleep10-21swapper/11
1574120240,2sleep11575982-21kthreadcore1
1548331240,2sleep10-21swapper/11
1540665240,2sleep01540864-21smartctl0
1514284240,3sleep00-21swapper/00
1508016240,3sleep10-21swapper/11
1449014240,1sleep00-21swapper/00
1419595240,2sleep00-21swapper/00
1412498240,2sleep00-21swapper/00
1792180230,1sleep00-21swapper/00
1669453230,1sleep00-21swapper/00
1644036230,1sleep10-21swapper/11
1636144230,1sleep10-21swapper/11
1566346230,1sleep00-21swapper/00
1566346230,1sleep00-21swapper/00
1559784230,1sleep00-21swapper/00
1553282230,2sleep10-21swapper/11
1469527230,1sleep00-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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