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2026-05-15 - 09:13
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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 Fri May 15, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2801392992723,3cyclictest2801447-21readlink19:10:000
280139599262,21cyclictest3045421-21apt-get23:10:151
2801395992620,3cyclictest2872882-21apt-get20:20:101
2801395992619,3cyclictest3004853-21apt-get22:30:131
2801395992619,3cyclictest3004853-21apt-get22:30:121
280139599261,21cyclictest3030226-21apt-get22:55:121
280139599261,21cyclictest0-21swapper/100:10:131
280140399252,3cyclictest3020071-21apt-get22:45:133
280140399250,23cyclictest3127904-21tr00:30:163
2801400992520,3cyclictest3076320-21apt-get23:40:132
280140099251,22cyclictest3132526-21apt-get00:35:132
280140099251,21cyclictest2934077-21apt-get21:20:122
280140099250,23cyclictest3015460-21irqcore22:40:172
280139599252,3cyclictest2999795-21apt-get22:25:091
2801395992520,2cyclictest2862723-21apt-get20:10:111
280139599251,21cyclictest2817115-21apt-get19:25:111
280139599251,21cyclictest2806982-21apt-get19:15:111
280139599250,5cyclictest2959079-21idleruntime-cro21:44:591
280139599250,23cyclictest3121402-21taskset00:20:231
2801392992518,6cyclictest0-21swapper/022:45:130
2801403992418,4cyclictest3055664-21store23:20:003
280140399241,21cyclictest3871586-21snmpd21:05:113
280140399240,23cyclictest3086244-21unin-run23:50:003
280140099242,2cyclictest2893100-21apt-get20:40:122
2801400992418,4cyclictest2964135-21awk21:49:592
280140099240,22cyclictest2828200-21tr19:35:162
280139599241,3cyclictest2908301-21apt-get20:55:131
280139599241,2cyclictest2801927-21apt-get19:10:121
280139599240,22cyclictest2858139-21sort20:05:181
280139599240,21cyclictest0-21swapper/119:35:111
2801392992420,3cyclictest3117246-21apt-get00:20:110
280140399232,20cyclictest2801449-21latency_hist19:10:003
2801403992318,4cyclictest2878432-21ps20:25:143
280140399230,22cyclictest2888534-21grep20:35:173
280140099231,2cyclictest2929021-21apt-get21:15:142
280140099231,2cyclictest0-21swapper/220:10:112
280140099231,20cyclictest0-21swapper/223:10:152
280140099231,20cyclictest0-21swapper/219:45:122
280140099230,21cyclictest2969166-21ls21:54:592
280140099230,21cyclictest0-21swapper/220:50:112
2801395992319,3cyclictest2937921-21ntpq21:20:201
2801395992319,2cyclictest3097028-21apt-get00:00:101
2801395992319,2cyclictest0-21swapper/122:50:121
2801395992318,3cyclictest3055031-21fwupd23:16:451
2801395992317,4cyclictest2974218-21cron21:59:591
2801395992317,3cyclictest2801618-21apt-key19:10:001
280139599231,2cyclictest3127411-21apt-get00:30:121
280139599231,2cyclictest3068407-21sed23:30:181
280139599231,2cyclictest3061133-21apt-get23:25:131
280139599231,21cyclictest0-21swapper/120:30:011
280139599231,20cyclictest2923516-21apt-get21:10:141
280139599230,21cyclictest0-21swapper/123:05:121
280139599230,20cyclictest0-21swapper/122:35:131
280139599230,20cyclictest0-21swapper/122:00:121
280139599230,20cyclictest0-21swapper/121:00:121
280139599230,20cyclictest0-21swapper/120:35:131
280139599230,20cyclictest0-21swapper/119:40:121
280139299232,3cyclictest500-21dbus-daemon23:16:460
2801392992320,2cyclictest2903245-21apt-get20:50:100
2801392992320,2cyclictest2872882-21apt-get20:20:110
2801392992320,2cyclictest2812062-21apt-get19:20:100
2801392992319,2cyclictest3107148-21apt-get00:10:130
280139299231,21cyclictest2856522-21ntpq20:00:210
2801403992219,2cyclictest3071252-21apt-get23:35:143
2801403992218,2cyclictest3015451-21irqcore22:40:163
280140399221,1cyclictest2994718-21apt-get22:20:103
280140399220,2cyclictest2985061-21sed22:10:173
280140399220,20cyclictest3005344-21grep22:30:163
280140399220,20cyclictest3005344-21grep22:30:163
2801400992219,2cyclictest2974494-21apt-get22:00:112
2801400992219,2cyclictest2939108-21apt-get21:25:132
2801400992219,2cyclictest0-21swapper/220:15:112
2801400992219,1cyclictest3009632-21cron22:35:012
2801400992219,1cyclictest3009632-21cron22:35:002
2801400992219,1cyclictest0-21swapper/222:55:122
2801400992217,4cyclictest3096750-21cron00:00:002
280140099221,1cyclictest0-21swapper/200:00:092
280140099220,2cyclictest3055667-21latency_hist23:20:002
280140099220,2cyclictest2913847-21irqcore21:00:162
280140099220,2cyclictest0-21swapper/223:35:132
280140099220,21cyclictest1-21systemd21:15:012
280140099220,20cyclictest3056017-21apt-get23:20:112
2801395992218,3cyclictest509-21systemd-logind00:20:001
2801395992218,2cyclictest0-21swapper/120:40:121
280139599221,2cyclictest3102082-21apt-get00:05:141
280139599221,2cyclictest0-21swapper/122:05:111
280139599221,2cyclictest0-21swapper/120:30:111
280139599221,18cyclictest3035284-21apt-get23:00:121
280139599220,2cyclictest0-21swapper/120:50:111
2801392992218,2cyclictest2918432-21apt-get21:05:110
2801392992218,2cyclictest2837381-21apt-get19:45:120
280139299221,1cyclictest2822170-21apt-get19:30:110
2801403992119,1cyclictest0-21swapper/323:00:123
2801403992119,1cyclictest0-21swapper/321:55:133
2801403992119,1cyclictest0-21swapper/320:00:113
2801403992118,1cyclictest0-21swapper/300:00:093
280140399211,19cyclictest2897894-21idleruntime-cro20:45:003
280140399210,20cyclictest64-21kcompactd000:23:083
280140399210,20cyclictest2812546-21ps19:20:153
280140399210,20cyclictest0-21swapper/319:25:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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