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2026-06-02 - 03:58
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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 Tue Jun 02, 2026 00:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30942352235174,19sleep30-21swapper/319:07:293
30943462232172,20sleep10-21swapper/119:09:041
30942172227167,49sleep50-21swapper/519:07:145
30940942222167,45sleep20-21swapper/219:05:272
30942292221193,18sleep60-21swapper/619:07:246
30942602214185,18sleep70-21swapper/719:07:497
30943632213185,19sleep00-21swapper/019:09:190
30941712204175,19sleep40-21swapper/419:06:334
309461699330,4cyclictest3209670-21unix_chkpwd22:35:013
3094622993227,4cyclictest3240340-21cron23:30:005
3094614993227,4cyclictest3235218-21apt-get23:20:082
309461399321,30cyclictest3240393-21923:30:011
309461399320,31cyclictest3134833-21apt-get20:20:091
309462699310,3cyclictest3209669-21unix_chkpwd22:35:007
3094613993130,1cyclictest0-21swapper/123:15:011
309462699301,1cyclictest17850irq/4-ttyS021:30:017
3094625993028,1cyclictest3243188-21sh23:35:016
309462599301,28cyclictest0-21swapper/623:55:016
309462599300,29cyclictest0-21swapper/620:25:016
3094622993028,1cyclictest0-21swapper/521:10:015
309462299300,29cyclictest290-21plymouthd21:20:015
309462099300,29cyclictest3123574-21apt-get20:00:094
309462099300,29cyclictest0-21swapper/422:45:044
309462099300,29cyclictest0-21swapper/419:15:024
3094616993028,1cyclictest0-21swapper/319:25:013
309461699300,29cyclictest1-21systemd22:40:023
309461699300,29cyclictest0-21swapper/321:55:103
309461699300,29cyclictest0-21swapper/320:21:253
309461499300,30cyclictest0-21swapper/200:15:012
3094613993028,1cyclictest341rcuc/123:50:011
3094613993028,1cyclictest3134785-21date20:20:011
3094626992928,1cyclictest3165471-21apt-get21:15:127
3094626992926,2cyclictest3103913-21tar19:25:027
309462699290,28cyclictest3268681-21apt-get00:20:097
309462699290,28cyclictest3179404-21apt-get21:40:107
309462699290,28cyclictest3145982-21apt-get20:40:107
309462699290,28cyclictest0-21swapper/700:12:037
309462699290,1cyclictest3249170-21apt-get23:45:117
309462699290,1cyclictest3210111-21apt-get22:35:097
3094625992928,1cyclictest0-21swapper/621:20:096
3094625992927,2cyclictest107-21kcompactd023:35:306
3094625992927,1cyclictest279850-21systemd-journal19:15:016
3094625992927,1cyclictest0-21swapper/622:50:016
3094625992927,1cyclictest0-21swapper/621:20:016
3094625992927,1cyclictest0-21swapper/620:10:006
309462599290,28cyclictest3176606-21apt-get21:35:096
309462599290,28cyclictest3176606-21apt-get21:35:096
309462599290,28cyclictest0-21swapper/623:25:176
309462599290,28cyclictest0-21swapper/623:24:116
309462599290,28cyclictest0-21swapper/622:40:096
309462599290,28cyclictest0-21swapper/621:45:016
309462599290,28cyclictest0-21swapper/600:00:096
309462599290,1cyclictest3276663-21900:35:016
3094622992927,1cyclictest0-21swapper/521:15:015
309462299290,28cyclictest3276635-21munin-run00:35:015
309462299290,28cyclictest3207331-21apt-get22:30:105
309462299290,28cyclictest3157109-21apt-get21:00:095
309462299290,28cyclictest3151534-21apt-get20:50:075
309462299290,28cyclictest290-21plymouthd23:05:025
309462299290,28cyclictest0-21swapper/523:15:105
309462299290,28cyclictest0-21swapper/520:55:125
309462299290,28cyclictest0-21swapper/520:00:595
309462299290,28cyclictest0-21swapper/519:49:415
309462299290,28cyclictest0-21swapper/500:38:245
3094620992927,1cyclictest1-21systemd21:25:014
3094620992925,3cyclictest3162678-21apt-get21:10:104
309462099290,28cyclictest3173824-21apt-get21:30:074
309462099290,28cyclictest107-21kcompactd000:26:024
309462099290,28cyclictest0-21swapper/423:55:234
309462099290,28cyclictest0-21swapper/423:53:464
309462099290,28cyclictest0-21swapper/423:35:094
309462099290,28cyclictest0-21swapper/423:33:214
309462099290,28cyclictest0-21swapper/422:20:104
309462099290,28cyclictest0-21swapper/421:05:004
309462099290,28cyclictest0-21swapper/420:25:064
309462099290,28cyclictest0-21swapper/420:20:094
309462099290,1cyclictest0-21swapper/420:20:014
3094616992928,1cyclictest3215250-21cron22:45:013
3094616992928,1cyclictest0-21swapper/319:15:083
309461699290,28cyclictest0-21swapper/323:50:103
309461699290,28cyclictest0-21swapper/323:10:103
309461699290,28cyclictest0-21swapper/321:50:093
309461699290,28cyclictest0-21swapper/321:45:103
309461699290,28cyclictest0-21swapper/321:15:123
309461699290,28cyclictest0-21swapper/320:45:103
309461699290,28cyclictest0-21swapper/320:40:113
309461699290,28cyclictest0-21swapper/319:40:093
309461699290,28cyclictest0-21swapper/319:30:043
309461699290,28cyclictest0-21swapper/300:15:013
309461699290,1cyclictest0-21swapper/321:40:093
3094614992928,1cyclictest0-21swapper/223:00:072
309461499290,28cyclictest3187346-21apt-get21:55:042
309461499290,28cyclictest0-21swapper/223:15:102
309461499290,28cyclictest0-21swapper/223:10:112
309461499290,28cyclictest0-21swapper/220:50:072
309461499290,28cyclictest0-21swapper/200:00:092
309461499290,1cyclictest3182184-21apt-get21:45:092
309461399290,28cyclictest0-21swapper/122:45:051
309461399290,28cyclictest0-21swapper/122:35:101
309461399290,28cyclictest0-21swapper/122:31:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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