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2026-05-23 - 19:07
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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 23, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31954662230168,20sleep20-21swapper/207:08:462
31952842229173,19sleep40-21swapper/407:06:074
31952872220190,19sleep70-21swapper/707:06:107
31952862217189,18sleep60-21swapper/607:06:096
31954582213184,19sleep30-21swapper/307:08:393
31954552208177,21sleep00-21swapper/007:08:360
31952422206176,20sleep10-21swapper/107:05:311
31953952203175,18sleep50-21swapper/507:07:445
319576799360,1cyclictest3349775-21apt-get11:45:011
319576799340,1cyclictest290-21plymouthd12:30:011
319576799330,32cyclictest3361373-21apt-get12:05:111
319577999320,31cyclictest3252543-21apt-get08:50:125
3195768993227,4cyclictest3324676-21cron11:00:012
3195768993227,4cyclictest3198420-21unix_chkpwd07:15:022
319576899310,29cyclictest0-21swapper/208:20:042
319576799310,1cyclictest0-21swapper/107:50:011
319576499310,3cyclictest3344179-21cron11:35:010
319576499310,30cyclictest3233052-21apt-get08:15:120
3195785993028,1cyclictest3330705-21apt-get11:10:117
319578599300,30cyclictest0-21swapper/712:14:077
319578599300,29cyclictest0-21swapper/712:30:127
319578599300,29cyclictest0-21swapper/707:45:117
3195783993028,1cyclictest279850-21systemd-journal09:25:016
3195783993028,1cyclictest0-21swapper/609:35:016
319578399300,29cyclictest3235381-21cron08:20:016
319577999300,29cyclictest3319525-21apt-get10:50:115
319577499300,28cyclictest3229867-21packagekitd08:10:004
3195770993029,1cyclictest3277657-21apt-get09:35:133
319577099300,2cyclictest3249768-21ischroot08:45:123
319577099300,29cyclictest3280002-21apt-get09:40:043
3195767993027,3cyclictest0-21swapper/108:10:031
319576799300,29cyclictest0-21swapper/111:15:011
3195785992927,1cyclictest3288458-21appstreamcli09:55:047
319578599290,29cyclictest3246987-21apt-get08:40:127
319578599290,29cyclictest3210283-21cron07:35:017
319578599290,29cyclictest0-21swapper/708:32:587
319578599290,28cyclictest0-21swapper/712:25:117
319578599290,1cyclictest3210726-21apt-get07:35:127
319578599290,1cyclictest0-21swapper/710:10:027
319578599290,1cyclictest0-21swapper/709:40:027
319578599290,0cyclictest0-21swapper/712:00:107
3195783992927,1cyclictest0-21swapper/611:05:116
319578399290,28cyclictest3322352-21apt-get10:55:126
319578399290,28cyclictest0-21swapper/611:40:126
319578399290,28cyclictest0-21swapper/610:30:136
319578399290,28cyclictest0-21swapper/609:55:126
319578399290,28cyclictest0-21swapper/608:25:116
319578399290,28cyclictest0-21swapper/607:30:116
319578399290,28cyclictest0-21swapper/607:11:486
319577999290,29cyclictest279850-21systemd-journal10:00:015
319577999290,28cyclictest107-21kcompactd008:29:135
319577999290,28cyclictest0-21swapper/510:45:115
319577999290,28cyclictest0-21swapper/509:55:025
319577999290,28cyclictest0-21swapper/509:20:115
319577999290,28cyclictest0-21swapper/508:35:135
319577999290,28cyclictest0-21swapper/508:25:015
319577999290,1cyclictest3369342-21912:20:005
319577999290,1cyclictest0-21swapper/509:20:015
3195774992928,1cyclictest3258123-21apt-get09:00:114
3195774992927,1cyclictest3252100-21cron08:50:014
3195774992927,1cyclictest3224683-21apt-get08:00:114
3195774992927,1cyclictest0-21swapper/410:25:014
3195774992927,1cyclictest0-21swapper/408:40:124
319577499290,28cyclictest3230272-21apt-get08:10:114
319577499290,28cyclictest0-21swapper/412:30:114
319577499290,28cyclictest0-21swapper/411:35:114
319577499290,28cyclictest0-21swapper/411:30:124
319577499290,28cyclictest0-21swapper/411:21:584
319577499290,28cyclictest0-21swapper/410:19:374
319577499290,28cyclictest0-21swapper/407:45:114
319577499290,28cyclictest0-21swapper/407:41:544
319577499290,28cyclictest0-21swapper/407:30:114
319577499290,1cyclictest0-21swapper/408:55:124
3195770992928,1cyclictest0-21swapper/311:55:123
3195770992928,1cyclictest0-21swapper/311:45:003
319577099290,29cyclictest0-21swapper/310:20:013
319577099290,28cyclictest0-21swapper/309:10:123
319577099290,28cyclictest0-21swapper/309:10:123
319577099290,28cyclictest0-21swapper/308:30:123
319577099290,1cyclictest0-21swapper/312:05:013
3195768992928,1cyclictest3364145-21apt-get12:10:092
3195768992928,1cyclictest3336294-21apt-get11:20:112
3195768992928,1cyclictest290-21plymouthd07:45:012
319576899290,29cyclictest3244195-21taskset08:35:132
319576899290,28cyclictest0-21swapper/212:05:122
319576899290,28cyclictest0-21swapper/211:05:112
319576899290,28cyclictest0-21swapper/211:00:102
319576899290,28cyclictest0-21swapper/209:00:102
319576899290,1cyclictest3257653-21cron09:00:012
319576899290,1cyclictest0-21swapper/208:49:442
319576799290,28cyclictest0-21swapper/111:35:121
319576799290,28cyclictest0-21swapper/111:30:111
319576799290,28cyclictest0-21swapper/111:20:111
319576799290,28cyclictest0-21swapper/111:05:101
319576799290,28cyclictest0-21swapper/111:00:111
319576799290,28cyclictest0-21swapper/110:15:181
319576799290,28cyclictest0-21swapper/109:10:121
319576799290,28cyclictest0-21swapper/109:10:111
319576799290,1cyclictest0-21swapper/111:30:011
319576799290,0cyclictest0-21swapper/108:04:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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