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2026-05-30 - 19:47
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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 Sat May 30, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227012499300,2cyclictest2566748-21munin-run12:00:010
2270128992723,2cyclictest2510272-21cron11:05:001
227012899271,22cyclictest2479807-21apt-get10:35:141
227013199262,3cyclictest2551422-21apt-get11:45:092
227013199262,20cyclictest2561954-21apt-get11:55:112
227013199262,20cyclictest2422897-21apt-get09:40:122
227013199260,23cyclictest2371558-21taskset08:50:122
227012899261,22cyclictest2531164-21apt-get11:25:111
227012899261,21cyclictest2500420-21apt-get10:55:141
227012899261,21cyclictest2500420-21apt-get10:55:131
227012899261,21cyclictest2427974-21apt-get09:45:121
227013499251,20cyclictest2505518-21apt-get11:00:113
227013499251,20cyclictest0-21swapper/309:35:133
227013199251,4cyclictest2448649-21grep10:05:162
227013199251,21cyclictest2270344-21apt-get07:10:142
227012899251,21cyclictest0-21swapper/108:10:121
227012899250,21cyclictest2221886-21kworker/u8:3+flush-259:012:10:151
227012499251,21cyclictest2280453-21apt-get07:20:130
2270134992420,2cyclictest2583051-21apt-get12:15:113
2270134992420,2cyclictest2290634-21apt-get07:30:123
2270134992419,3cyclictest2270833-21tr07:10:183
227013499241,20cyclictest0-21swapper/312:30:113
227013499240,4cyclictest2408231-21ps09:25:173
227013499240,21cyclictest0-21swapper/310:00:113
2270131992420,2cyclictest2315941-21apt-get07:55:132
2270131992419,2cyclictest2469248-21apt-get10:25:112
2270128992420,2cyclictest2525711-21apt-get11:20:111
2270128992420,2cyclictest0-21swapper/110:45:121
227012899241,20cyclictest2443082-21apt-get10:00:111
227012899240,21cyclictest0-21swapper/109:00:101
227012899240,21cyclictest0-21swapper/107:20:131
227012899240,20cyclictest0-21swapper/111:15:111
227012899240,20cyclictest0-21swapper/108:00:121
2270124992421,2cyclictest211rcuc/012:24:590
2270124992420,2cyclictest2567431-21apt-get12:00:110
2270124992420,2cyclictest2458716-21apt-get10:15:140
2270124992419,3cyclictest2452975-21munin-run10:09:590
2270124992419,3cyclictest2310868-21apt-get07:50:150
227012499241,3cyclictest2541296-21apt-get11:35:120
227012499241,3cyclictest2474724-21apt-get10:30:100
227012499241,21cyclictest2422621-21cron09:40:000
2270134992319,2cyclictest2376984-21apt-get08:55:113
2270134992317,4cyclictest2505269-21turbostat11:00:013
2270134992317,4cyclictest2505269-21turbostat11:00:003
2270134992317,4cyclictest2484611-21cron10:40:003
227013499231,2cyclictest2489932-21apt-get10:45:113
227013499231,2cyclictest0-21swapper/307:15:123
227013499231,21cyclictest2516552-21sed11:10:163
227013499231,21cyclictest2309785-21ntpq07:45:223
227013499231,20cyclictest0-21swapper/308:50:003
227013499231,20cyclictest0-21swapper/307:25:133
227013499231,19cyclictest2588131-21apt-get12:20:123
227013499230,19cyclictest0-21swapper/310:05:123
2270131992319,2cyclictest2598747-21grep12:30:152
2270131992319,2cyclictest2396021-21ntpq09:10:232
2270131992319,2cyclictest2346227-21apt-get08:25:112
2270131992319,2cyclictest0-21swapper/212:20:112
227013199231,2cyclictest2577986-21apt-get12:10:122
227013199231,19cyclictest2417867-21apt-get09:35:122
227013199231,19cyclictest0-21swapper/208:10:122
227013199230,20cyclictest0-21swapper/211:10:122
227013199230,20cyclictest0-21swapper/209:05:122
2270128992320,2cyclictest2433004-21apt-get09:50:121
2270128992319,3cyclictest2463761-21latency_hist10:20:001
2270128992319,2cyclictest2295424-21cron07:35:001
2270128992319,2cyclictest0-21swapper/111:55:111
2270128992319,2cyclictest0-21swapper/109:20:141
2270128992318,2cyclictest2515601-21apt-get11:10:121
227012899231,2cyclictest2536219-21apt-get11:30:111
227012899231,2cyclictest2366479-21apt-get08:45:121
227012899231,2cyclictest2270344-21apt-get07:10:121
227012899231,2cyclictest0-21swapper/109:10:131
227012899231,20cyclictest2489655-21cron10:45:001
227012899231,19cyclictest0-21swapper/110:50:131
227012899230,3cyclictest2458061-21gpgv10:15:001
227012899230,20cyclictest2295702-21apt-get07:35:111
227012499232,20cyclictest2275396-21apt-get07:15:120
2270124992320,2cyclictest2447015-21ntpq10:00:210
2270124992319,2cyclictest2505242-21cron11:00:010
2270124992319,2cyclictest2505242-21cron11:00:000
2270124992319,2cyclictest2321040-21apt-get08:00:120
227012499230,3cyclictest2494718-21sh10:50:010
227012499230,21cyclictest2295454-21idleruntime-cro07:35:000
2270134992220,1cyclictest491ktimers/311:53:163
2270134992219,1cyclictest2382037-21apt-get09:00:113
2270134992219,1cyclictest0-21swapper/312:35:123
2270134992219,1cyclictest0-21swapper/309:20:143
2270134992218,2cyclictest0-21swapper/311:45:093
227013499221,1cyclictest0-21swapper/309:45:123
227013499220,2cyclictest2316168-21fschecks_time07:55:153
227013499220,20cyclictest0-21swapper/310:40:123
227013499220,20cyclictest0-21swapper/309:10:133
227013499220,19cyclictest0-21swapper/310:25:123
227013499220,19cyclictest0-21swapper/309:55:133
2270131992219,2cyclictest2464221-21apt-get10:20:142
2270131992219,1cyclictest0-21swapper/210:10:032
2270131992218,2cyclictest2525442-21sh11:20:002
227013199221,2cyclictest0-21swapper/207:30:122
227013199221,18cyclictest2351280-21apt-get08:30:122
227013199220,2cyclictest0-21swapper/211:55:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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