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2026-05-31 - 18:15
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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 Sun May 31, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26967682233154,36sleep70-21swapper/707:06:097
26967682233154,36sleep70-21swapper/707:06:087
26967472232169,19sleep40-21swapper/407:05:504
26967472232169,19sleep40-21swapper/407:05:504
26968412226166,48sleep60-21swapper/607:07:136
26968412226166,48sleep60-21swapper/607:07:136
26967932224165,19sleep50-21swapper/507:06:325
26967932224165,19sleep50-21swapper/507:06:325
26968822218189,20sleep00-21swapper/007:07:470
26968822218189,20sleep00-21swapper/007:07:460
26970162214183,20sleep10-21swapper/107:09:421
26970162214183,20sleep10-21swapper/107:09:411
26967642209180,19sleep30-21swapper/307:06:053
26967642209180,19sleep30-21swapper/307:06:053
26968462204175,19sleep20-21swapper/207:07:172
26968462204175,19sleep20-21swapper/207:07:172
269725499340,32cyclictest1-21systemd07:20:016
269725399340,33cyclictest2871088-21apt-get12:20:095
269724999330,31cyclictest2765040-21latency_hist09:10:014
269724299330,31cyclictest2770313-21cron09:20:011
269724199330,1cyclictest0-21swapper/008:10:070
269725699320,31cyclictest2862740-21apt12:05:127
269725399320,32cyclictest2776333-21apt-get09:30:075
2697247993230,1cyclictest0-21swapper/309:50:013
269724199320,0cyclictest0-21swapper/008:20:020
2697256993130,1cyclictest0-21swapper/709:50:017
2697253993126,4cyclictest2770387-21true09:20:005
2697242993127,4cyclictest0-21swapper/112:25:101
2697242993127,4cyclictest0-21swapper/112:18:411
269724199310,27cyclictest0-21swapper/008:20:080
269725699300,29cyclictest2748463-21apt-get08:40:097
269725499300,29cyclictest2840446-21apt-get11:25:096
269725399300,30cyclictest2734086-21cron08:15:015
2697249993028,1cyclictest1-21systemd11:35:014
269724799300,29cyclictest0-21swapper/308:40:093
2697244993028,2cyclictest2831702-21unin-run11:10:012
269724499300,30cyclictest2699915-21latency_hist07:15:012
269724499300,30cyclictest2699915-21latency_hist07:15:012
269724499300,29cyclictest0-21swapper/209:05:012
269724299300,29cyclictest2848801-21apt-get11:40:081
269724299300,29cyclictest0-21swapper/110:05:011
269724299300,29cyclictest0-21swapper/108:14:371
269724299300,29cyclictest0-21swapper/108:00:101
269724299300,0cyclictest0-21swapper/108:15:091
269724299300,0cyclictest0-21swapper/108:08:101
269724199300,29cyclictest2751239-21apt-get08:45:090
269724199300,29cyclictest0-21swapper/012:35:100
269724199300,29cyclictest0-21swapper/011:15:090
269724199300,29cyclictest0-21swapper/007:45:100
2697256992927,1cyclictest2787499-21apt-get09:50:087
269725699290,28cyclictest0-21swapper/711:55:097
269725699290,28cyclictest0-21swapper/710:00:097
269725699290,28cyclictest0-21swapper/709:29:537
269725699290,28cyclictest0-21swapper/708:35:097
269725699290,28cyclictest0-21swapper/707:25:097
2697254992928,1cyclictest0-21swapper/611:35:116
2697254992927,1cyclictest2812603-21apt-get10:35:106
269725499290,28cyclictest2734532-21apt-get08:15:106
269725499290,28cyclictest0-21swapper/611:50:456
269725499290,28cyclictest0-21swapper/611:45:046
269725499290,28cyclictest0-21swapper/610:25:086
269725499290,28cyclictest0-21swapper/610:18:176
269725499290,28cyclictest0-21swapper/609:25:086
269725499290,28cyclictest0-21swapper/607:45:016
269725499290,28cyclictest0-21swapper/607:20:086
269725499290,1cyclictest279850-21systemd-journal09:35:016
269725499290,1cyclictest107-21kcompactd011:24:246
2697253992925,4cyclictest1-21systemd12:35:005
269725399290,28cyclictest0-21swapper/511:45:085
269725399290,28cyclictest0-21swapper/509:05:105
2697249992928,1cyclictest290-21plymouthd07:15:014
2697249992928,1cyclictest290-21plymouthd07:15:014
2697249992928,1cyclictest0-21swapper/411:50:124
2697249992927,1cyclictest2848345-21cron11:40:014
2697249992925,3cyclictest2781454-21cron09:40:014
269724999290,28cyclictest290-21plymouthd08:18:234
269724999290,28cyclictest2759586-21apt-get09:00:094
269724999290,28cyclictest0-21swapper/412:05:024
269724999290,28cyclictest0-21swapper/410:51:374
269724999290,28cyclictest0-21swapper/410:51:374
269724999290,28cyclictest0-21swapper/409:30:074
269724999290,28cyclictest0-21swapper/408:35:024
269724999290,1cyclictest2734150-21908:15:024
2697247992928,1cyclictest0-21swapper/309:50:083
2697247992927,1cyclictest1-21systemd10:55:013
2697247992927,1cyclictest1-21systemd10:55:013
269724799290,29cyclictest0-21swapper/312:15:023
269724799290,29cyclictest0-21swapper/311:41:043
269724799290,28cyclictest0-21swapper/311:04:313
269724799290,28cyclictest0-21swapper/309:58:233
269724799290,1cyclictest0-21swapper/309:29:533
269724799290,1cyclictest0-21swapper/309:17:313
2697244992928,1cyclictest2756792-21apt-get08:55:092
2697244992927,2cyclictest2834441-21munin-run11:15:012
2697244992922,6cyclictest2736879-21cron08:20:012
269724499290,29cyclictest290-21plymouthd12:35:012
269724499290,28cyclictest2798691-21apt-get10:10:072
269724499290,28cyclictest0-21swapper/211:55:092
269724499290,28cyclictest0-21swapper/209:10:032
269724499290,28cyclictest0-21swapper/208:55:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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