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2026-08-16 - 10:10
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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 Sun Aug 16, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2663405993219,11cyclictest2948835-21cron23:50:000
266341499311,22cyclictest2779544-21ntpq21:00:203
266340599319,9cyclictest0-21swapper/021:40:110
266341499301,3cyclictest2928812-21apt-get23:30:133
266340599301,27cyclictest2719457-21apt-get20:05:110
266340599301,27cyclictest2719457-21apt-get20:05:110
266340599301,16cyclictest2765283-21latency_hist20:50:000
2663414992920,7cyclictest0-21swapper/322:34:593
266341499290,3cyclictest2684418-21tr19:30:173
266341499290,20cyclictest2948831-21cron23:50:003
266340599290,2cyclictest2975831-21ps00:15:180
266340599290,1cyclictest2733448-21ls20:15:190
266340599280,25cyclictest0-21swapper/023:30:120
266340599280,1cyclictest0-21swapper/020:40:120
266340599280,1cyclictest0-21swapper/020:25:000
266340599280,1cyclictest0-21swapper/000:10:150
2663414992719,7cyclictest0-21swapper/300:10:153
2663414992718,8cyclictest2875-21cron21:25:013
2663414992717,8cyclictest2914094-21irqcore23:15:183
266341499271,22cyclictest2949115-21apt-get23:50:133
266341499270,23cyclictest0-21swapper/322:55:143
266341499270,23cyclictest0-21swapper/320:40:123
2663412992724,2cyclictest2933608-21systemd-run23:35:012
266341299271,6cyclictest2868464-21irqcore22:30:152
266340899271,21cyclictest2923743-21apt-get23:25:121
266340599270,1cyclictest0-21swapper/022:10:130
266340599270,1cyclictest0-21swapper/022:05:110
266340599270,19cyclictest2780442-21fwupdmgr21:04:580
266341499261,21cyclictest2883148-21apt-get22:45:133
266341499260,2cyclictest0-21swapper/319:25:133
2663408992621,2cyclictest2694109-21apt-get19:40:131
266340899261,21cyclictest2980003-21apt-get00:20:151
266340899261,21cyclictest2842194-21seq22:05:121
266340899261,21cyclictest2831581-21apt-get21:55:121
266340899261,21cyclictest2724572-21apt-get20:10:121
266340899260,23cyclictest2914106-21sed23:15:181
266340899260,23cyclictest2821921-21grep21:45:161
2663405992619,6cyclictest0-21swapper/023:51:180
2663405992619,5cyclictest2806191-21apt-get21:30:120
2663405992618,7cyclictest2984813-21cron00:25:000
266340599260,1cyclictest0-21swapper/021:25:120
266340599260,1cyclictest0-21swapper/019:45:000
2663414992520,2cyclictest2857871-21apt-get22:20:133
2663414992517,6cyclictest2913342-21munin-run23:15:003
2663414992516,7cyclictest0-21swapper/321:25:123
2663414992514,10cyclictest2875-21cron21:00:013
266341499251,21cyclictest2821420-21apt-get21:45:113
266341499251,21cyclictest2811240-21apt-get21:35:143
266341499251,21cyclictest2765541-21apt-get20:50:113
2663414992512,10cyclictest2959573-21gltestperf00:00:173
266340899251,21cyclictest2878096-21apt-get22:40:121
266340899251,21cyclictest0-21swapper/122:35:201
2663405992519,5cyclictest0-21swapper/022:00:340
2663405992518,6cyclictest0-21swapper/023:27:390
2663405992516,7cyclictest2684419-21sort19:30:180
266340599250,23cyclictest0-21swapper/022:55:130
266340599250,1cyclictest0-21swapper/022:37:060
266341499242,20cyclictest2745272-21apt-get20:30:123
2663414992420,3cyclictest2974885-21apt-get00:15:133
2663414992418,4cyclictest0-21swapper/320:45:133
266341499241,20cyclictest2918676-21apt-get23:20:133
266341499241,20cyclictest0-21swapper/322:25:113
266341499241,20cyclictest0-21swapper/320:15:123
266341499240,22cyclictest0-21swapper/322:05:113
266341499240,21cyclictest0-21swapper/320:25:163
266341499240,20cyclictest64-21kcompactd023:06:093
266341299242,2cyclictest2995246-21apt-get00:35:122
2663412992420,3cyclictest2790938-21apt-get21:15:112
2663412992418,4cyclictest2947925-21taskset23:45:192
266340899242,2cyclictest2903492-21apt-get23:05:131
2663408992420,2cyclictest2867982-21apt-get22:30:111
2663408992420,2cyclictest2678859-21apt-get19:25:121
266340899241,2cyclictest2969394-21apt-get00:10:151
266340899241,2cyclictest2668703-21apt-get19:15:131
266340899241,20cyclictest0-21swapper/120:35:151
266340899240,20cyclictest0-21swapper/120:30:121
266340599241,20cyclictest2709294-21apt-get19:55:120
266340599240,1cyclictest0-21swapper/000:00:270
2663414992320,1cyclictest2663611-21apt-get19:10:133
2663414992319,2cyclictest2985584-21irqcore00:25:153
2663414992319,2cyclictest0-21swapper/322:15:113
2663414992319,2cyclictest0-21swapper/321:15:113
2663414992319,2cyclictest0-21swapper/321:10:133
2663414992318,3cyclictest2990201-21apt-get00:30:143
2663414992316,5cyclictest2673786-21apt-get19:20:113
2663414992313,9cyclictest2841919-21cron22:04:593
266341499231,2cyclictest2826512-21apt-get21:50:123
266341499231,2cyclictest2734733-21apt-get20:20:113
266341499231,21cyclictest0-21swapper/323:37:523
2663414992312,10cyclictest516-21rs:main3
2663414992312,10cyclictest2697917-21needreboot19:40:213
2663414992310,11cyclictest2714850-21irqcore20:00:173
266341499230,20cyclictest0-21swapper/300:35:123
2663412992319,2cyclictest0-21swapper/220:40:162
2663412992318,3cyclictest2780727-21apt-get21:05:122
266341299231,2cyclictest2989035-21ntpq00:25:202
266341299231,2cyclictest2678859-21apt-get19:25:122
266341299231,2cyclictest0-21swapper/223:56:412
266341299230,3cyclictest2703137-21ntpq19:45:222
266341299230,20cyclictest2893333-21apt-get22:55:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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