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2026-05-16 - 14:59
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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 Sat May 16, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18674342227168,49sleep40-21swapper/407:08:484
18674782224166,20sleep10-21swapper/107:09:261
18674412223168,18sleep00-21swapper/007:08:520
18672142223164,19sleep60-21swapper/607:05:356
18674432216187,19sleep20-21swapper/207:08:542
18651602211182,19sleep50-21swapper/507:05:035
18673702210182,18sleep30-21swapper/307:07:513
18674932208179,19sleep70-21swapper/707:09:397
186772299340,32cyclictest1904526-21cron08:15:012
186772499330,30cyclictest0-21swapper/308:55:013
1867733993230,1cyclictest1907315-21cron08:20:016
186773099320,31cyclictest1893856-21apt-get07:55:155
186772499320,31cyclictest1954763-21cron09:45:003
186772299323,1cyclictest0-21swapper/211:50:142
186771999310,29cyclictest1977070-21cron10:25:011
186771799310,30cyclictest0-21swapper/010:55:020
1867734993025,4cyclictest2032791-21cron12:05:017
186773499300,30cyclictest0-21swapper/709:40:017
186773499300,29cyclictest0-21swapper/710:35:147
186773099300,29cyclictest1988677-21apt-get10:45:135
186772499300,1cyclictest0-21swapper/310:55:143
1867722993028,2cyclictest0-21swapper/211:20:132
186772299300,29cyclictest856-21dbus-daemon08:20:012
186772299300,29cyclictest0-21swapper/212:30:142
1867717993028,1cyclictest290-21plymouthd09:10:010
186771799300,29cyclictest1910148-21cron08:25:010
1867734992928,1cyclictest1907810-21apt-get08:20:127
186773499290,29cyclictest2038458-21awk12:15:007
186773499290,29cyclictest1960304-21cron09:55:017
186773499290,29cyclictest1960304-21cron09:55:007
186773499290,29cyclictest0-21swapper/709:25:007
186773499290,28cyclictest0-21swapper/708:45:137
186773499290,28cyclictest0-21swapper/708:30:137
186773499290,28cyclictest0-21swapper/707:30:157
186773499290,1cyclictest1999805-21apt-get11:05:137
186773499290,1cyclictest0-21swapper/707:35:157
1867733992928,1cyclictest1985897-21apt-get10:40:136
1867733992927,1cyclictest2033245-21apt-get12:05:136
1867733992927,1cyclictest2030464-21apt-get12:00:116
1867733992927,1cyclictest1980320-21apt-get10:30:146
1867733992927,1cyclictest1910593-21apt-get08:25:136
186773399290,29cyclictest1949621-21apt-get09:35:156
186773399290,28cyclictest0-21swapper/607:35:156
186773399290,28cyclictest0-21swapper/607:20:136
186773399290,28cyclictest0-21swapper/607:15:146
186773399290,1cyclictest0-21swapper/608:40:016
1867730992928,1cyclictest1930085-21apt-get09:00:135
186773099290,29cyclictest1957538-21sh09:50:015
186773099290,28cyclictest290-21plymouthd11:10:115
186773099290,28cyclictest0-21swapper/512:15:125
186773099290,28cyclictest0-21swapper/507:45:155
186773099290,28cyclictest0-21swapper/507:15:135
186773099290,1cyclictest2005394-21apt-get11:15:135
186772899290,28cyclictest0-21swapper/412:00:124
186772899290,28cyclictest0-21swapper/410:05:154
186772899290,28cyclictest0-21swapper/409:05:154
186772899290,1cyclictest2044443-21chrt12:25:144
186772899290,1cyclictest1994230-21apt-get10:55:144
186772899290,1cyclictest0-21swapper/409:45:154
186772499290,28cyclictest0-21swapper/312:30:143
186772499290,28cyclictest0-21swapper/312:25:143
186772499290,28cyclictest0-21swapper/308:20:113
186772499290,28cyclictest0-21swapper/307:40:123
186772499290,1cyclictest1134-21gmain11:15:023
186772299290,28cyclictest0-21swapper/210:35:142
186772299290,28cyclictest0-21swapper/209:35:152
186772299290,28cyclictest0-21swapper/209:05:142
186772299290,28cyclictest0-21swapper/208:30:002
186772299290,28cyclictest0-21swapper/208:05:142
186772299290,1cyclictest0-21swapper/212:25:012
186772299290,1cyclictest0-21swapper/211:35:142
186772299290,1cyclictest0-21swapper/210:30:002
186772299290,1cyclictest0-21swapper/207:45:022
186772299290,1cyclictest0-21swapper/207:20:132
1867719992927,1cyclictest0-21swapper/109:25:011
1867719992927,1cyclictest0-21swapper/107:35:141
186771999290,29cyclictest1924086-21munin-run08:50:011
186771999290,28cyclictest2027669-21apt-get11:55:121
186771999290,28cyclictest1952029-21909:40:011
186771999290,28cyclictest0-21swapper/112:20:141
186771999290,28cyclictest0-21swapper/112:15:131
186771999290,28cyclictest0-21swapper/110:55:131
186771999290,28cyclictest0-21swapper/109:45:151
186771999290,28cyclictest0-21swapper/108:40:131
186771999290,28cyclictest0-21swapper/107:40:121
186771999290,1cyclictest0-21swapper/111:10:111
186771799290,28cyclictest290-21plymouthd09:25:000
186771799290,28cyclictest2036020-21apt-get12:10:120
186771799290,28cyclictest2024445-21sh11:50:010
186771799290,28cyclictest2019331-21apt-get11:40:140
186771799290,28cyclictest0-21swapper/011:50:140
186771799290,28cyclictest0-21swapper/010:25:010
186771799290,28cyclictest0-21swapper/008:35:120
186771799290,28cyclictest0-21swapper/008:15:150
186771799290,28cyclictest0-21swapper/008:05:140
186771799290,1cyclictest1955202-21apt-get09:45:140
1867734992827,1cyclictest1996628-21systemd-run11:00:027
1867734992827,1cyclictest1874354-21apt-get07:20:137
1867734992827,1cyclictest0-21swapper/709:55:107
1867734992826,1cyclictest0-21swapper/709:30:037
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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