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2026-05-19 - 19:03
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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 Tue May 19, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
212113899262,21cyclictest2345931-21apt-get10:50:133
212113899261,21cyclictest2320658-21apt-get10:25:123
212113899261,21cyclictest2228733-21apt-get08:55:143
212113599262,20cyclictest2126753-21apt-get07:15:142
212113599261,22cyclictest2233811-21apt-get09:00:142
212113199261,21cyclictest2279752-21apt-get09:45:131
2121128992618,7cyclictest0-21swapper/012:15:120
212113899251,21cyclictest2350987-21apt-get10:55:133
212113899251,21cyclictest2279752-21apt-get09:45:133
212113899251,20cyclictest2289861-21apt-get09:55:133
2121135992520,4cyclictest2452296-21munin-plugin-st12:35:002
212113599251,20cyclictest2300438-21apt-get10:05:112
2121138992420,2cyclictest2223654-21apt-get08:50:123
2121138992419,3cyclictest2427823-21sed12:10:173
2121138992419,3cyclictest1-21systemd07:30:003
212113899241,21cyclictest2252932-21ntpq09:15:223
212113899240,21cyclictest2269304-21grep09:35:013
212113599241,21cyclictest2432377-21apt-get12:15:122
212113599241,21cyclictest2197957-21apt-get08:25:122
212113599241,21cyclictest2192190-21munin-run08:20:012
212113199241,20cyclictest2422246-21apt-get12:05:111
2121128992420,2cyclictest2427323-21apt-get12:10:130
2121128992420,2cyclictest2391466-21apt-get11:35:100
2121138992319,2cyclictest2366687-21tr11:10:163
2121138992319,2cyclictest2340877-21apt-get10:45:123
2121138992319,2cyclictest2187885-21grep08:15:173
2121138992319,2cyclictest2151953-21apt-get07:40:103
212113899231,2cyclictest2208488-21apt-get08:35:123
212113899231,20cyclictest2371275-21apt-get11:15:133
212113899230,3cyclictest2300940-21tr10:05:153
212113899230,21cyclictest2197470-21latency_hist08:25:013
212113899230,20cyclictest2146947-21apt-get07:35:123
212113899230,20cyclictest0-21swapper/311:50:113
212113899230,20cyclictest0-21swapper/311:45:113
212113899230,20cyclictest0-21swapper/310:30:113
212113899230,20cyclictest0-21swapper/309:10:123
212113899230,20cyclictest0-21swapper/309:00:143
212113599232,1cyclictest2361120-21apt-get11:05:142
2121135992321,1cyclictest0-21swapper/211:55:002
2121135992319,3cyclictest2457759-21sh12:40:002
2121135992319,2cyclictest2288671-21chrt09:50:192
2121135992319,2cyclictest2288671-21chrt09:50:182
2121135992319,2cyclictest2254054-21apt-get09:20:102
2121135992318,3cyclictest0-21swapper/210:35:132
212113599231,2cyclictest2259089-21apt-get09:25:112
212113599231,20cyclictest2376329-21apt-get11:20:112
212113599231,20cyclictest0-21swapper/211:15:132
212113599230,21cyclictest2269665-21apt-get09:35:122
212113599230,20cyclictest2162089-21apt-get07:50:122
2121131992318,3cyclictest2330493-21cron10:35:001
212113199231,2cyclictest2385350-21ntpq11:25:211
212113199231,2cyclictest0-21swapper/111:10:111
212113199231,20cyclictest2295363-21apt-get10:00:121
212113199230,20cyclictest0-21swapper/112:10:121
212113199230,20cyclictest0-21swapper/111:00:131
212113199230,20cyclictest0-21swapper/109:25:111
212113199230,20cyclictest0-21swapper/108:55:131
212113199230,20cyclictest0-21swapper/107:20:131
212112899232,20cyclictest0-21swapper/010:55:000
2121128992320,2cyclictest2412116-21apt-get11:55:140
2121128992318,3cyclictest2355781-21munin-run11:00:000
2121128992318,3cyclictest2131833-21apt-get07:20:130
212112899231,2cyclictest2136864-21apt-get07:25:120
212112899231,21cyclictest2213521-21apt-get08:40:110
212112899231,20cyclictest2396522-21apt-get11:40:120
212112899231,20cyclictest0-21swapper/010:05:160
2121138992219,1cyclictest0-21swapper/307:55:113
212113899221,2cyclictest64-21kcompactd007:12:513
212113899221,2cyclictest64-21kcompactd007:12:513
212113899221,2cyclictest2310547-21apt-get10:15:123
212113899221,2cyclictest2130641-21ntpq07:15:223
212113899221,20cyclictest0-21swapper/310:24:593
212113899221,20cyclictest0-21swapper/308:05:103
212113899220,2cyclictest0-21swapper/310:40:123
212113899220,21cyclictest2187124-21cron08:15:003
2121135992219,2cyclictest2295363-21apt-get10:00:122
2121135992217,3cyclictest2417671-21grep12:00:172
2121135992217,3cyclictest2233529-21cron08:59:592
212113599221,2cyclictest0-21swapper/207:55:122
212113599221,20cyclictest0-21swapper/207:25:122
212113599220,2cyclictest0-21swapper/212:20:112
212113599220,2cyclictest0-21swapper/208:24:552
212113599220,20cyclictest2294823-21cat10:00:012
212113599220,20cyclictest2203936-21grep08:30:162
2121131992219,2cyclictest2152445-21tr07:40:141
2121131992219,2cyclictest0-21swapper/107:10:121
2121131992219,2cyclictest0-21swapper/107:10:121
2121131992218,3cyclictest2341829-21kthreadcore10:45:181
2121131992218,2cyclictest2386436-21apt-get11:30:111
2121131992218,2cyclictest2305495-21chrt10:10:101
2121131992218,2cyclictest2202750-21apt-get08:30:001
2121131992218,2cyclictest0-21swapper/111:35:101
2121131992217,3cyclictest3777322-21systemd-journal08:35:011
212113199220,19cyclictest0-21swapper/108:15:131
212113199220,19cyclictest0-21swapper/108:00:121
212112899221,20cyclictest2151953-21apt-get07:40:090
212112899221,1cyclictest2264165-21apt-get09:30:110
212112899221,1cyclictest2192455-21apt-get08:20:120
2121138992119,1cyclictest64-21kcompactd009:22:263
2121138992119,1cyclictest0-21swapper/309:40:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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