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2025-12-21 - 22:54
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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 Dec 21, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
279345199272,22cyclictest3048196-21apt-get11:20:133
279345199261,22cyclictest2966243-21true10:00:003
279344599261,21cyclictest3002257-21apt-get10:35:111
2793443992622,3cyclictest2859035-21ls08:15:000
2793451992519,4cyclictest2894423-21apt08:50:003
2793451992517,7cyclictest3078239-21cron11:49:593
279345199251,22cyclictest3053242-21taskset11:25:123
279345199251,20cyclictest0-21swapper/307:30:143
279344599251,21cyclictest2895119-21apt-get08:50:121
279344599251,20cyclictest2930544-21apt-get09:25:111
2793443992519,4cyclictest3001983-21sh10:34:590
279344399251,21cyclictest2900173-21apt-get08:55:120
2793451992420,2cyclictest2799213-21sed07:15:143
2793451992419,2cyclictest2829481-21ps07:45:183
279345199241,2cyclictest2822780-21ntpq07:35:213
279345199241,21cyclictest2843845-21cron08:00:003
279345199241,20cyclictest3058270-21apt-get11:30:143
279345199241,20cyclictest0-21swapper/309:30:133
279345199241,20cyclictest0-21swapper/308:15:133
279345199240,4cyclictest2844613-21sed08:00:153
279345199240,22cyclictest3002745-21ps10:35:153
279345199240,21cyclictest2797575-21ntpq07:10:223
279345199240,21cyclictest0-21swapper/309:25:113
2793448992419,3cyclictest2899921-21basename08:55:002
2793448992418,4cyclictest3021405-21taskset10:50:242
279344899241,3cyclictest3127971-21sshd12:35:212
279344899241,3cyclictest3038061-21apt-get11:10:102
279344899241,3cyclictest2849182-21apt-get08:05:132
279344899241,21cyclictest3073452-21apt-get11:45:112
2793445992420,1cyclictest2935624-21apt-get09:30:141
279344599241,20cyclictest3108916-21apt-get12:20:111
279344599241,20cyclictest3027533-21apt-get11:00:111
2793443992420,2cyclictest2834048-21apt-get07:50:130
279345199231,2cyclictest3113970-21apt-get12:25:123
279345199231,2cyclictest2864374-21apt-get08:20:123
279345199231,2cyclictest0-21swapper/309:20:123
279345199230,21cyclictest3073190-21grep11:44:593
279345199230,21cyclictest3016334-21taskset10:45:213
279345199230,20cyclictest0-21swapper/310:30:143
279345199230,20cyclictest0-21swapper/310:20:113
279345199230,20cyclictest0-21swapper/309:05:153
279345199230,20cyclictest0-21swapper/309:05:153
279345199230,19cyclictest0-21swapper/310:55:113
2793448992320,2cyclictest3001997-21cut10:35:002
2793448992320,2cyclictest0-21swapper/208:45:132
2793448992318,3cyclictest2843846-21cron08:00:002
279344899231,2cyclictest0-21swapper/207:15:102
279344899231,21cyclictest0-21swapper/207:50:122
279344899231,20cyclictest3083629-21apt-get11:55:132
279344899231,20cyclictest3083629-21apt-get11:55:122
279344899231,20cyclictest0-21swapper/210:40:132
279344899230,3cyclictest2935350-21cron09:30:002
279344599232,2cyclictest3012393-21apt-get10:45:111
2793445992319,2cyclictest2971657-21cron10:05:011
2793445992319,2cyclictest2920459-21apt-get09:15:141
2793445992319,2cyclictest2915380-21apt-get09:10:121
2793445992319,2cyclictest2874480-21apt-get08:30:121
279344599231,2cyclictest2982071-21apt-get10:15:141
279344599231,20cyclictest2992178-21apt-get10:25:131
279344599231,20cyclictest2812730-21ntpq07:25:231
2793445992310,3cyclictest0-21swapper/109:05:001
279344599230,20cyclictest0-21swapper/107:45:151
279344399232,20cyclictest3068376-21apt-get11:40:130
2793443992319,3cyclictest3053239-21apt-get11:25:140
2793443992317,4cyclictest2849665-21ps08:05:160
279344399231,2cyclictest3063301-21apt-get11:35:140
279344399231,2cyclictest0-21swapper/008:50:180
2793451992220,1cyclictest0-21swapper/308:05:213
2793451992219,2cyclictest0-21swapper/309:10:123
2793451992219,1cyclictest0-21swapper/308:25:103
279345199221,2cyclictest3032586-21apt-get11:05:133
279345199221,2cyclictest0-21swapper/308:50:123
279345199220,20cyclictest3093713-21sshd12:05:123
2793448992218,3cyclictest0-21swapper/211:15:122
2793448992218,2cyclictest2956844-21sort09:50:162
2793448992217,3cyclictest2888414-21needreboot08:40:192
279344899221,2cyclictest2874197-21cron08:30:002
279344899221,20cyclictest0-21swapper/211:50:132
279344899221,20cyclictest0-21swapper/211:50:122
279344899221,20cyclictest0-21swapper/207:25:132
279344899220,2cyclictest0-21swapper/212:25:122
279344899220,2cyclictest0-21swapper/211:25:122
279344899220,2cyclictest0-21swapper/209:35:122
279344899220,21cyclictest0-21swapper/209:45:142
2793445992219,2cyclictest3093443-21munin-run12:05:001
2793445992219,2cyclictest3041953-21ntpq11:10:191
2793445992218,2cyclictest2823941-21apt-get07:40:121
2793445992215,6cyclictest3073944-21cut11:45:151
279344599220,21cyclictest3037393-21apt-key11:10:001
279344599220,1cyclictest2940723-21apt-get09:35:121
2793443992219,2cyclictest3127982-21ntp_kernel_pll_12:35:210
2793443992218,2cyclictest0-21swapper/007:15:000
279344399221,2cyclictest2905249-21apt-get09:00:120
279344399221,2cyclictest2879534-21apt-get08:35:130
279344399220,20cyclictest2966202-21cron10:00:000
2793451992119,1cyclictest0-21swapper/312:10:123
2793451992119,1cyclictest0-21swapper/308:35:123
2793451992118,2cyclictest0-21swapper/310:00:143
2793451992118,1cyclictest3093425-21cron12:04:593
2793451992118,1cyclictest0-21swapper/309:45:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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