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2024-09-11 - 14:33
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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 Wed Sep 11, 2024 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31189602217187,19sleep30-21swapper/319:08:323
31189182217184,21sleep10-21swapper/119:07:571
31188142217190,17sleep70-21swapper/719:07:157
31168452217187,19sleep40-21swapper/419:06:004
31189702216162,18sleep20-21swapper/219:08:392
31168462213185,18sleep50-21swapper/519:06:015
31168122212179,22sleep00-21swapper/019:05:300
31189142211184,17sleep60-21swapper/619:07:556
3119284993429,4cyclictest3126720-21sh19:30:016
3119284993429,4cyclictest3126720-21sh19:30:016
311928499330,28cyclictest0-21swapper/620:02:006
311928499320,1cyclictest0-21swapper/620:35:026
311928799310,29cyclictest3137018-21cron20:00:007
3119281993127,3cyclictest3226478-21sh22:45:015
311928199310,30cyclictest3125216-21sh19:20:005
311927799310,30cyclictest3215702-21cron22:25:014
311927299310,30cyclictest3137015-21sh20:00:013
3119284993028,1cyclictest3169928-21apt-get21:02:026
3119284993027,3cyclictest0-21swapper/621:32:016
311928199300,29cyclictest3223789-21munin-run22:40:015
3119272993027,2cyclictest3169351-21idleruntime-cro21:00:013
311926899300,29cyclictest3172061-21sh21:05:012
311926899300,29cyclictest3139731-21apt20:05:012
311926699300,29cyclictest3283633-21apt00:30:011
3119263993026,3cyclictest3193885-21sh21:45:010
311926399300,2cyclictest3229169-21sh22:50:000
311926399300,29cyclictest0-21swapper/000:07:010
311928799290,28cyclictest3175315-21apt-get21:12:027
311928799290,28cyclictest0-21swapper/700:22:017
311928799290,1cyclictest0-21swapper/723:42:007
3119284992928,1cyclictest0-21swapper/623:10:016
3119284992927,1cyclictest3164529-21apt-get20:52:016
3119284992925,3cyclictest3270158-21sh00:05:016
3119284992925,3cyclictest3270158-21sh00:05:006
311928499290,28cyclictest3208175-21apt-get22:12:016
311928499290,28cyclictest3199542-21munin-run21:55:016
311928499290,28cyclictest0-21swapper/622:51:586
311928499290,28cyclictest0-21swapper/621:36:586
311928499290,1cyclictest3161284-21debian-sa120:45:026
311928199290,28cyclictest3158627-21awk20:40:025
311928199290,28cyclictest0-21swapper/520:05:005
311927799290,29cyclictest0-21swapper/421:10:024
311927799290,28cyclictest0-21swapper/422:47:014
311927799290,28cyclictest0-21swapper/400:17:004
311927799290,1cyclictest3148370-21apt-get20:22:004
3119272992928,1cyclictest0-21swapper/322:17:013
3119272992927,1cyclictest0-21swapper/319:47:333
311927299290,1cyclictest0-21swapper/321:12:023
3119268992927,1cyclictest3278809-21apt-get00:22:012
3119268992925,3cyclictest3128197-21idleruntime-cro19:40:012
311926899290,28cyclictest0-21swapper/223:17:022
311926899290,28cyclictest0-21swapper/220:45:022
3119266992927,1cyclictest0-21swapper/123:00:011
311926699290,28cyclictest3237267-21apt-get23:05:031
311926699290,28cyclictest3202801-21apt-get22:02:021
311926699290,28cyclictest3134884-21apt-get19:57:021
311926699290,28cyclictest0-21swapper/123:37:001
311926699290,1cyclictest3199533-21latency_hist21:55:011
311926699290,1cyclictest0-21swapper/100:40:001
311926399290,28cyclictest0-21swapper/023:40:010
311926399290,28cyclictest0-21swapper/000:27:030
311926399290,1cyclictest3262037-21sh23:50:010
3119287992827,1cyclictest0-21swapper/723:37:007
3119287992827,1cyclictest0-21swapper/723:02:007
3119287992826,1cyclictest0-21swapper/721:00:027
3119281992828,0cyclictest0-21swapper/519:52:015
311928199280,27cyclictest0-21swapper/522:17:025
311928199280,1cyclictest3167214-21apt-get20:57:005
311927799280,1cyclictest0-21swapper/422:37:034
3119272992827,1cyclictest3235126-21apt-get23:01:593
3119272992827,1cyclictest0-21swapper/323:37:013
3119272992827,1cyclictest0-21swapper/320:17:013
311927299280,0cyclictest0-21swapper/300:22:013
3119268992828,0cyclictest0-21swapper/200:10:012
3119268992827,1cyclictest0-21swapper/219:52:002
3119268992827,1cyclictest0-21swapper/200:37:002
311926899280,28cyclictest0-21swapper/200:04:102
311926899280,28cyclictest0-21swapper/200:04:102
311926899280,0cyclictest0-21swapper/221:07:012
311926899280,0cyclictest0-21swapper/220:37:012
3119266992828,0cyclictest0-21swapper/123:12:011
3119266992827,1cyclictest0-21swapper/123:22:011
311926399280,0cyclictest0-21swapper/023:22:010
311926399280,0cyclictest0-21swapper/023:17:000
3119287992727,0cyclictest0-21swapper/722:17:027
3119287992727,0cyclictest0-21swapper/720:17:017
3119281992726,0cyclictest0-21swapper/523:30:015
311928199270,0cyclictest0-21swapper/522:22:015
311928199270,0cyclictest0-21swapper/500:27:015
3119277992727,0cyclictest0-21swapper/423:17:014
3119277992727,0cyclictest0-21swapper/421:22:004
3119277992725,1cyclictest3159154-21apt-get20:42:024
3119277992725,1cyclictest3128953-21latency_hist19:45:004
3119272992726,1cyclictest0-21swapper/321:02:013
3119272992726,1cyclictest0-21swapper/320:22:013
311927299270,0cyclictest0-21swapper/323:42:013
3119268992727,0cyclictest0-21swapper/200:27:022
3119268992726,0cyclictest0-21swapper/220:22:002
311926899270,0cyclictest0-21swapper/222:22:002
3119266992727,0cyclictest0-21swapper/123:57:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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