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2026-05-07 - 20:15
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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 rack8slot4.osadl.org (updated Thu May 07, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15431672231168,19sleep60-21swapper/607:09:216
15429142224162,19sleep40-21swapper/407:05:424
15430652220160,19sleep70-21swapper/707:07:547
15430222218157,50sleep00-21swapper/007:07:150
15431802216159,19sleep10-21swapper/107:09:331
15405102215187,18sleep50-21swapper/507:05:025
15429862213183,20sleep20-21swapper/207:06:452
15431172210181,19sleep30-21swapper/307:08:393
16486622600,0sleep30-21swapper/310:15:193
154344299400,32cyclictest1619340-21cron09:25:017
154344299340,28cyclictest0-21swapper/711:25:147
154342899330,4cyclictest1719601-21idleruntime-cro12:25:013
1543442993227,5cyclictest0-21swapper/711:20:157
1543442993227,4cyclictest1722416-21true12:30:007
1543442993225,7cyclictest964-21in:imuxsock08:55:017
154344299320,0cyclictest0-21swapper/709:35:137
154342899320,31cyclictest1661560-21apt-get10:40:143
1543420993230,1cyclictest1-21systemd10:45:020
1543442993127,4cyclictest0-21swapper/710:00:127
1543442993125,1cyclictest1619780-21apt-get09:25:147
154344299310,31cyclictest0-21swapper/709:35:027
154344299310,30cyclictest0-21swapper/711:10:137
154342699310,30cyclictest966-21rs:main2
1543442993027,3cyclictest0-21swapper/709:40:147
1543442993027,2cyclictest1702878-21cron11:55:007
1543433993029,1cyclictest0-21swapper/509:15:015
1543433993029,1cyclictest0-21swapper/509:15:015
154343199300,29cyclictest1694728-21sed11:40:014
154343199300,29cyclictest1608214-21munin-run09:05:014
154342899300,30cyclictest1-21systemd12:10:003
154342899300,29cyclictest1666723-21unin-run10:50:023
1543442992928,1cyclictest0-21swapper/710:05:157
1543442992926,2cyclictest1561240-21apt-get07:40:147
154344299290,29cyclictest1647188-21cron10:15:027
154344299290,29cyclictest0-21swapper/712:05:017
154344299290,29cyclictest0-21swapper/709:50:017
154344299290,28cyclictest0-21swapper/708:00:147
154344299290,28cyclictest0-21swapper/707:50:147
154344299290,28cyclictest0-21swapper/707:50:017
154344299290,1cyclictest1708902-21apt-get12:05:157
1543437992928,1cyclictest1583557-21apt-get08:20:146
154343799290,29cyclictest1641689-21910:05:026
154343799290,29cyclictest0-21swapper/609:50:016
154343799290,28cyclictest1543754-21apt-get07:10:156
154343799290,28cyclictest0-21swapper/609:55:156
154343799290,28cyclictest0-21swapper/609:40:146
154343799290,28cyclictest0-21swapper/609:00:146
154343799290,28cyclictest0-21swapper/607:25:156
1543433992928,1cyclictest29217-21fwupd09:00:045
1543433992927,2cyclictest1714007-21cron12:15:015
154343399290,29cyclictest1661097-21sh10:40:025
154343399290,28cyclictest0-21swapper/509:55:155
154343399290,28cyclictest0-21swapper/507:45:135
154343399290,1cyclictest1566793-21apt-get07:50:135
1543431992928,1cyclictest0-21swapper/410:50:144
154343199290,28cyclictest621ktimers/410:00:124
154343199290,28cyclictest0-21swapper/410:25:144
154343199290,28cyclictest0-21swapper/409:05:174
154343199290,28cyclictest0-21swapper/408:25:154
154343199290,28cyclictest0-21swapper/407:55:154
154343199290,1cyclictest0-21swapper/407:15:134
1543428992928,1cyclictest1652818-21910:25:023
1543428992927,1cyclictest1686601-21apt-get11:25:133
1543428992927,1cyclictest1622556-21apt-get09:30:143
154342899290,28cyclictest0-21swapper/311:00:143
154342899290,28cyclictest0-21swapper/307:25:143
154342899290,28cyclictest0-21swapper/307:10:153
154342699290,28cyclictest290-21plymouthd07:25:142
154342699290,28cyclictest1614203-21apt-get09:15:142
154342699290,28cyclictest1614203-21apt-get09:15:142
154342699290,28cyclictest0-21swapper/211:45:132
154342699290,1cyclictest1569629-21chrt07:55:162
154342699290,1cyclictest0-21swapper/208:30:012
154342699290,1cyclictest0-21swapper/207:35:002
1543422992927,1cyclictest1705733-21912:00:011
1543422992927,1cyclictest0-21swapper/111:40:001
154342299290,28cyclictest1717259-21apt-get12:20:121
154342299290,28cyclictest0-21swapper/111:20:161
154342299290,28cyclictest0-21swapper/110:50:131
154342299290,28cyclictest0-21swapper/109:50:171
154342299290,28cyclictest0-21swapper/108:35:011
154342299290,28cyclictest0-21swapper/108:20:141
154342299290,28cyclictest0-21swapper/108:15:001
154342299290,28cyclictest0-21swapper/107:45:131
154342299290,1cyclictest1636507-21apt-get09:55:151
154342299290,1cyclictest0-21swapper/108:20:001
154342099290,28cyclictest290-21plymouthd11:05:150
154342099290,28cyclictest0-21swapper/012:20:120
154342099290,28cyclictest0-21swapper/009:50:170
154342099290,28cyclictest0-21swapper/008:40:150
154342099290,28cyclictest0-21swapper/008:40:010
154342099290,28cyclictest0-21swapper/008:20:130
154342099290,28cyclictest0-21swapper/007:35:140
154344299280,28cyclictest0-21swapper/711:35:017
154344299280,27cyclictest0-21swapper/709:05:167
1543437992828,0cyclictest0-21swapper/612:15:146
1543437992827,1cyclictest1703321-21apt-get11:55:136
1543437992827,1cyclictest1655984-21apt-get10:30:146
1543437992827,1cyclictest1619381-21909:25:016
1543437992827,1cyclictest1594726-21apt-get08:40:156
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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