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2025-12-01 - 10:34
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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 Mon Dec 01, 2025 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26980492240181,20sleep70-21swapper/719:08:247
26980822238173,21sleep40-21swapper/419:08:534
26981002237178,46sleep20-21swapper/219:09:072
26980562228172,18sleep50-21swapper/519:08:305
26979872228170,20sleep30-21swapper/319:07:313
26981362225169,44sleep10-21swapper/119:09:381
26980222214186,18sleep00-21swapper/019:08:000
26979632214187,17sleep60-21swapper/619:07:106
2698390996213,25cyclictest0-21swapper/723:18:307
2698382993130,1cyclictest0-21swapper/400:15:524
2698379993129,1cyclictest430086-21in:imuxsock23:05:003
269837399310,30cyclictest3820478-21systemd-journal21:20:001
269838899300,29cyclictest2742332-21awk20:30:006
269838899300,29cyclictest1-21systemd19:15:016
269838899300,28cyclictest2745470-21apt-get20:35:586
269838899300,0cyclictest0-21swapper/622:20:546
269838899300,0cyclictest0-21swapper/622:20:546
2698382993028,1cyclictest0-21swapper/420:35:574
2698382993028,1cyclictest0-21swapper/420:10:584
2698379993028,1cyclictest2849437-21apt-get23:45:563
269837999300,29cyclictest0-21swapper/320:55:573
2698377993028,1cyclictest2713140-21apt-get19:35:562
269837399300,29cyclictest796-21systemd-logind00:00:011
269837399300,29cyclictest0-21swapper/121:50:001
2698370993026,3cyclictest2780454-21cat21:40:000
2698390992927,1cyclictest2794498-21apt-get22:05:567
2698390992927,1cyclictest0-21swapper/722:15:007
2698390992927,1cyclictest0-21swapper/722:15:007
269839099290,28cyclictest0-21swapper/721:30:567
269839099290,1cyclictest0-21swapper/719:25:547
2698388992927,1cyclictest2766541-21idleruntime-cro21:15:006
2698388992926,2cyclictest2838396-21apt-get23:25:566
2698388992926,2cyclictest2799393-21apt22:15:006
2698388992926,2cyclictest2799393-21apt22:15:006
269838899290,28cyclictest0-21swapper/620:50:576
269838899290,1cyclictest2713140-21apt-get19:35:566
269838899290,1cyclictest0-21swapper/622:55:566
2698384992928,1cyclictest2704315-21apt19:20:015
2698384992927,2cyclictest69-21ksoftirqd/521:25:005
269838499290,28cyclictest0-21swapper/519:10:575
2698382992927,1cyclictest2837909-21sh23:25:004
2698382992927,1cyclictest0-21swapper/422:50:014
2698382992927,1cyclictest0-21swapper/422:40:564
2698382992927,1cyclictest0-21swapper/420:40:574
269838299290,29cyclictest0-21swapper/419:20:014
2698379992927,1cyclictest2803102-21apt-get22:20:543
2698379992927,1cyclictest2803102-21apt-get22:20:543
2698379992927,1cyclictest0-21swapper/322:50:003
269837999290,28cyclictest2737404-21apt-get20:20:573
269837999290,28cyclictest0-21swapper/323:35:573
269837999290,28cyclictest0-21swapper/323:30:013
269837999290,1cyclictest3820478-21systemd-journal20:50:003
2698377992927,1cyclictest1-21systemd21:40:002
269837799290,28cyclictest2819519-21apt-get22:50:582
269837799290,28cyclictest0-21swapper/222:10:552
269837799290,28cyclictest0-21swapper/222:10:552
2698373992927,1cyclictest2780452-21apt-config21:40:001
2698373992927,1cyclictest0-21swapper/121:55:581
2698373992927,1cyclictest0-21swapper/100:35:581
269837099290,29cyclictest2857112-40gzip00:00:010
269837099290,1cyclictest2715361-21munin-run19:40:010
2698388992823,1cyclictest0-21swapper/620:55:576
269838499280,28cyclictest2805345-21awk22:25:005
269838499280,28cyclictest2805345-21awk22:25:005
269838499280,28cyclictest0-21swapper/500:30:585
269838499280,27cyclictest0-21swapper/523:10:575
269838499280,1cyclictest2736957-21lockfile-remove20:20:005
269838499280,1cyclictest2721228-21apt-get19:50:585
2698382992827,1cyclictest0-21swapper/400:10:524
2698382992827,0cyclictest0-21swapper/419:35:554
2698379992826,1cyclictest0-21swapper/300:10:013
269837999280,0cyclictest0-21swapper/300:25:553
2698377992827,1cyclictest0-21swapper/222:20:012
2698377992827,1cyclictest0-21swapper/222:20:012
269837799280,1cyclictest0-21swapper/222:55:562
269837799280,0cyclictest0-21swapper/221:30:572
2698373992826,1cyclictest0-21swapper/123:20:551
2698373992826,1cyclictest0-21swapper/119:45:551
269837399280,27cyclictest0-21swapper/119:55:551
2698370992827,1cyclictest0-21swapper/020:35:580
2698370992827,1cyclictest0-21swapper/000:35:580
2698370992826,1cyclictest0-21swapper/019:45:550
269837099280,0cyclictest0-21swapper/019:15:010
2698390992727,0cyclictest0-21swapper/722:50:577
2698390992727,0cyclictest0-21swapper/722:00:567
2698390992727,0cyclictest0-21swapper/719:20:017
2698390992725,1cyclictest2816568-21apt-get22:45:567
269839099270,0cyclictest0-21swapper/722:40:567
269839099270,0cyclictest0-21swapper/720:15:567
2698388992727,0cyclictest0-21swapper/619:25:546
2698384992727,0cyclictest0-21swapper/521:50:565
2698384992727,0cyclictest0-21swapper/521:15:575
2698384992713,13cyclictest0-21swapper/519:55:555
2698382992727,0cyclictest0-21swapper/419:10:574
2698382992726,1cyclictest581rcuc/422:30:004
2698382992726,1cyclictest581rcuc/422:30:004
2698382992726,1cyclictest2794015-21sh22:05:004
2698382992726,1cyclictest0-21swapper/423:55:564
2698382992726,1cyclictest0-21swapper/422:45:564
2698382992726,1cyclictest0-21swapper/420:05:554
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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