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2026-04-10 - 21:54
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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 Fri Apr 10, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2123568993633,2cyclictest136-1kworker/3:1H+kblockd12:26:023
212356699272,21cyclictest2434963-21apt-get12:15:122
212356699272,21cyclictest2368239-21apt-get11:10:122
212356699272,21cyclictest2225836-21apt-get08:50:122
212356699271,22cyclictest2332856-21apt-get10:35:122
212356399272,21cyclictest2297528-21apt-get10:00:121
212356699263,21cyclictest514-21in:imuxsock10:50:002
212356699261,22cyclictest2281963-21apt-get09:45:112
212356699260,23cyclictest2383838-21taskset11:25:132
212356899252,20cyclictest2414674-21apt-get11:55:093
212356899252,20cyclictest2383835-21apt-get11:25:133
212356899252,20cyclictest2205593-21apt-get08:30:103
212356899251,21cyclictest2337911-21apt-get10:40:113
212356899251,20cyclictest2373315-21apt-get11:15:113
212356899251,20cyclictest2149501-21apt-get07:35:123
212356899251,20cyclictest2149501-21apt-get07:35:123
2123566992520,3cyclictest2266801-21apt-get09:30:122
212356699251,3cyclictest2399468-21apt-get11:40:102
212356699251,21cyclictest2185398-21apt-get08:10:132
212356699251,21cyclictest0-21swapper/211:45:122
212356699251,20cyclictest2175313-21apt-get08:00:122
212356399251,20cyclictest2388888-21apt-get11:30:111
212356399251,20cyclictest2276909-21apt-get09:40:101
212356399251,20cyclictest0-21swapper/111:25:131
2123568992418,4cyclictest2292969-21cut09:55:163
212356899241,20cyclictest2353076-21apt-get10:55:133
2123566992419,3cyclictest2190452-21apt-get08:15:122
2123566992419,3cyclictest2139371-21apt-get07:25:132
212356699241,3cyclictest2450572-21apt-get12:30:112
212356699241,21cyclictest2398827-21unin-run11:40:012
212356699241,20cyclictest0-21swapper/211:00:112
212356699241,20cyclictest0-21swapper/210:50:112
212356699241,20cyclictest0-21swapper/207:10:112
212356699240,20cyclictest0-21swapper/207:20:112
2123563992420,2cyclictest2312680-21apt-get10:15:101
212356399241,20cyclictest0-21swapper/112:30:101
212356399241,20cyclictest0-21swapper/111:00:121
212356399241,20cyclictest0-21swapper/110:05:111
212356399240,23cyclictest2225564-21idleruntime-cro08:50:001
212355999242,2cyclictest2200541-21apt-get08:25:130
212355999241,21cyclictest2256663-21apt-get09:20:110
212355999240,22cyclictest0-21swapper/011:25:130
2123568992319,2cyclictest2144443-21apt-get07:30:093
2123568992318,4cyclictest2455411-21cron12:35:013
212356899230,4cyclictest2124062-21perl07:10:133
212356899230,20cyclictest0-21swapper/311:50:103
212356899230,19cyclictest0-21swapper/307:15:023
2123566992318,4cyclictest2154760-21sort07:40:142
212356699231,2cyclictest2317717-21apt-get10:20:112
212356699231,2cyclictest2317717-21apt-get10:20:112
212356699231,2cyclictest0-21swapper/209:40:152
212356699231,2cyclictest0-21swapper/209:00:112
212356699231,2cyclictest0-21swapper/207:50:132
212356699230,21cyclictest2409622-21apt-get11:50:112
2123563992319,3cyclictest2398827-21unin-run11:40:011
2123563992319,2cyclictest2292472-21apt-get09:55:121
2123563992319,2cyclictest2180365-21apt-get08:05:111
212356399231,2cyclictest2322772-21apt-get10:25:121
212356399231,2cyclictest1-21systemd12:05:001
212356399231,2cyclictest0-21swapper/111:15:131
212356399231,2cyclictest0-21swapper/108:40:111
212356399231,21cyclictest2368397-21modprobe11:10:131
212356399231,20cyclictest2408437-21ntpq11:45:191
212356399230,20cyclictest0-21swapper/111:05:121
212356399230,20cyclictest0-21swapper/109:15:111
2123559992320,2cyclictest0-21swapper/008:25:010
212355999231,2cyclictest2307628-21apt-get10:10:110
212355999231,2cyclictest2285875-21ntpq09:45:200
212355999231,20cyclictest2246125-21apt-get09:10:100
212355999230,2cyclictest2328295-21irqcore10:30:130
212355999230,21cyclictest0-21swapper/011:00:110
212355999230,20cyclictest0-21swapper/011:45:190
212355999230,20cyclictest0-21swapper/010:00:120
2123568992219,1cyclictest0-21swapper/308:40:113
2123568992215,5cyclictest2368746-21cut11:10:163
212356899221,2cyclictest2358105-21apt-get11:00:113
212356899221,1cyclictest2348043-21apt-get10:50:113
212356899220,2cyclictest702-21runrttasks11:05:113
212356899220,21cyclictest2175807-21tr08:00:173
212356899220,21cyclictest2175048-21cron07:59:593
212356899220,20cyclictest2292212-21turbostat09:55:003
212356899220,20cyclictest0-21swapper/308:55:123
212356899220,19cyclictest0-21swapper/311:30:113
212356899220,19cyclictest0-21swapper/310:15:103
212356899220,19cyclictest0-21swapper/310:05:113
212356899220,19cyclictest0-21swapper/308:25:133
212356899220,19cyclictest0-21swapper/307:25:133
2123566992219,1cyclictest2327799-21apt-get10:30:092
2123566992218,2cyclictest2419728-21apt-get12:00:102
2123566992214,6cyclictest2307352-21cron10:10:002
212356699221,2cyclictest0-21swapper/212:05:352
212356699221,1cyclictest0-21swapper/207:15:112
212356699220,2cyclictest0-21swapper/211:20:112
212356699220,20cyclictest0-21swapper/211:15:122
212356699220,19cyclictest2230938-21apt-get08:55:122
2123563992219,2cyclictest2445258-21sh12:25:001
2123563992219,2cyclictest2271855-21apt-get09:35:121
2123563992219,2cyclictest0-21swapper/110:10:111
2123563992218,2cyclictest2154553-21apt-get07:40:111
2123563992218,2cyclictest2129734-21ps07:15:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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