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2024-09-14 - 16:59
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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 50 highest latencies:
System rack8slot4.osadl.org (updated Sat Sep 14, 2024 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20678212230170,19sleep40-21swapper/407:07:294
20679192228171,19sleep70-21swapper/707:08:517
20678782227169,18sleep50-21swapper/507:08:185
20658342224171,17sleep30-21swapper/307:06:473
20657482222190,20sleep20-21swapper/207:05:342
20657372221168,42sleep00-21swapper/007:05:230
20678982215184,20sleep60-21swapper/607:08:356
20679582209178,19sleep10-21swapper/107:09:251
206820999320,31cyclictest1-21systemd08:40:022
206822199310,30cyclictest2175522-21sh10:25:006
2068214993128,2cyclictest2098431-21apt08:05:023
2068214993127,3cyclictest2153670-21idleruntime-cro09:45:013
206820999310,29cyclictest2161998-21cron10:00:012
2068225993027,2cyclictest2134219-21sh09:10:017
206822599300,29cyclictest2224176-21/usr/sbin/munin11:55:017
206821999300,30cyclictest2142580-21sh09:25:015
206821999300,2cyclictest462264-21systemd-journal11:15:005
206821999300,29cyclictest0-21swapper/512:10:015
206821499300,30cyclictest0-21swapper/308:50:023
206821499300,29cyclictest0-21swapper/309:06:593
2068225992928,1cyclictest2183598-21sh10:40:017
206822599290,28cyclictest0-21swapper/710:07:017
206822599290,28cyclictest0-21swapper/707:50:027
2068221992927,1cyclictest2208413-21apt-get11:27:016
2068221992927,1cyclictest2132090-21apt-get09:07:006
206822199290,28cyclictest0-21swapper/609:57:026
206821999290,28cyclictest0-21swapper/511:52:005
206821999290,1cyclictest2125873-21cron08:55:025
206821999290,1cyclictest2098986-21apt-get08:07:005
206821699290,1cyclictest2213394-21sh11:35:014
206821699290,1cyclictest2213394-21sh11:35:014
206821699290,1cyclictest2072015-21apt-get07:17:014
2068214992928,1cyclictest0-21swapper/308:27:013
2068214992927,1cyclictest0-21swapper/308:22:033
2068214992926,2cyclictest2175520-21sh10:25:013
206821499290,28cyclictest0-21swapper/311:12:013
206821499290,28cyclictest0-21swapper/308:16:593
206820999290,28cyclictest0-21swapper/208:02:012
206820999290,1cyclictest2178214-21cron10:30:012
2068205992927,1cyclictest0-21swapper/108:05:011
206820599290,28cyclictest0-21swapper/112:37:011
206820599290,28cyclictest0-21swapper/110:19:491
206820599290,28cyclictest0-21swapper/109:42:021
206820599290,28cyclictest0-21swapper/108:57:021
206820599290,1cyclictest0-21swapper/112:00:011
206820099290,28cyclictest0-21swapper/012:37:020
206820099290,28cyclictest0-21swapper/010:27:010
206822599280,0cyclictest0-21swapper/710:42:017
206822599280,0cyclictest0-21swapper/710:12:007
2068221992826,1cyclictest2207867-21munin-run11:25:016
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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