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2026-04-05 - 02:17
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackeslot4.osadl.org (updated Sat Apr 04, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
176735993330,2cyclictest0-21swapper/211:40:162
17673899262,20cyclictest279355-21apt-get08:50:123
17673899261,22cyclictest176942-21apt-get07:10:123
17673599262,3cyclictest254037-21apt-get08:25:112
17673599261,4cyclictest283293-21ntpq08:50:222
17673199262,4cyclictest284385-21apt-get08:55:121
17673899253,20cyclictest499648-21turbostat12:25:013
17673599253,20cyclictest344071-21/usr/sbin/munin09:50:242
17673599251,2cyclictest479620-21apt-get12:05:122
17673599251,2cyclictest0-21swapper/207:30:112
17673599251,21cyclictest510037-21apt-get12:35:112
17673599251,21cyclictest294502-21apt-get09:05:102
17673599251,21cyclictest289437-21apt-get09:00:102
17673199251,21cyclictest463541-21apt-get11:50:111
17673199251,21cyclictest314732-21apt-get09:25:141
17673199250,22cyclictest310135-21ps09:20:141
176728992515,1cyclictest417800-21turbostat11:05:000
17673899241,20cyclictest0-21swapper/307:20:133
17673899240,22cyclictest464036-21ps11:50:163
176735992420,2cyclictest0-21swapper/208:55:122
176735992414,1cyclictest0-21swapper/207:15:002
17673599241,21cyclictest0-21swapper/210:45:122
17673599240,3cyclictest505778-21irqcore12:30:162
17673599240,21cyclictest0-21swapper/211:35:102
17673599240,20cyclictest0-21swapper/211:20:102
176731992420,2cyclictest469042-21apt-get11:55:121
176731992420,2cyclictest329890-21apt-get09:40:131
176731992420,2cyclictest192525-21apt-get07:25:121
176731992419,2cyclictest0-21swapper/110:15:161
17673199241,20cyclictest0-21swapper/108:05:121
17672899241,4cyclictest324533-21cron09:35:010
17673899231,20cyclictest238873-21apt-get08:10:123
17673899230,22cyclictest510527-21sort12:35:153
17673899230,21cyclictest197578-21apt-get07:30:113
17673599231,20cyclictest64-21kcompactd010:14:152
17673599231,20cyclictest0-21swapper/209:40:132
17673599230,21cyclictest468351-21cron11:54:592
17673199237,8cyclictest339760-21munin-run09:50:011
176731992319,2cyclictest423111-21apt-get11:10:101
176731992319,2cyclictest356007-21apt-get10:05:131
176731992317,3cyclictest325306-21grep09:35:161
17673199231,2cyclictest412650-21apt-config11:00:001
17673199231,21cyclictest382131-21apt-get10:30:111
17673199231,20cyclictest0-21swapper/109:30:171
17673199230,3cyclictest212488-21sleep07:44:591
17673199230,3cyclictest181717-21cron07:15:001
17673199230,21cyclictest248697-21cron08:20:001
17673199230,21cyclictest0-21swapper/110:00:011
17673199230,20cyclictest0-21swapper/112:25:141
17673199230,20cyclictest0-21swapper/110:40:101
17673199230,20cyclictest0-21swapper/108:20:121
176728992318,3cyclictest499637-21cron12:25:000
17672899231,2cyclictest392238-21apt-get10:40:100
17672899231,21cyclictest453960-21irqcore11:40:160
17672899231,21cyclictest283233-21ntpq08:50:210
17672899231,20cyclictest269262-21apt-get08:40:140
17672899231,1cyclictest344773-21cron09:55:000
17672899230,20cyclictest223293-21apt-get07:55:120
17672899230,20cyclictest0-21swapper/011:24:390
17672899230,1cyclictest0-21swapper/010:00:120
17672899230,1cyclictest0-21swapper/007:29:120
176738992219,2cyclictest386904-21cron10:35:003
176738992219,1cyclictest0-21swapper/311:15:123
176738992219,1cyclictest0-21swapper/311:15:113
176738992218,3cyclictest299308-21cut09:10:003
17673899220,20cyclictest413494-21tr11:00:173
17673899220,20cyclictest0-21swapper/308:40:143
176735992219,2cyclictest474007-21apt-config12:00:012
176735992219,2cyclictest207685-21apt-get07:40:122
176735992219,2cyclictest1-21systemd10:25:162
176735992219,2cyclictest0-21swapper/210:55:132
176735992218,2cyclictest489705-21apt-get12:15:132
176735992218,2cyclictest299560-21apt-get09:10:132
176735992216,5cyclictest217545-21basename07:50:002
17673599221,20cyclictest0-21swapper/209:25:222
17673599220,2cyclictest349861-21https10:00:012
17673599220,2cyclictest0-21swapper/210:00:122
17673599220,20cyclictest0-21swapper/208:20:122
176731992219,2cyclictest0-21swapper/111:25:131
176731992217,4cyclictest202358-21cron07:35:001
17673199220,20cyclictest0-21swapper/111:30:111
17673199220,20cyclictest0-21swapper/107:35:111
176728992217,4cyclictest0-21swapper/007:15:140
17672899221,19cyclictest228749-21apt-get08:00:130
17672899220,3cyclictest0-21swapper/008:25:110
17672899220,2cyclictest505779-21irqcore12:30:160
17672899220,2cyclictest264674-21ps08:35:160
17672899220,2cyclictest264674-21ps08:35:150
17672899220,2cyclictest211rcuc/010:00:000
17672899220,2cyclictest0-21swapper/012:05:130
17672899220,21cyclictest0-21swapper/009:05:100
17672899220,20cyclictest217818-21apt-get07:50:120
17672899220,20cyclictest0-21swapper/009:00:110
17672899220,1cyclictest64-21kcompactd010:34:400
17672899220,1cyclictest468404-21apt-config11:55:010
17672899220,19cyclictest0-21swapper/010:14:140
17672899220,19cyclictest0-21swapper/009:45:120
176738992119,1cyclictest0-21swapper/310:12:383
176738992119,1cyclictest0-21swapper/309:45:113
176738992119,1cyclictest0-21swapper/307:45:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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