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2026-05-11 - 22:41
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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 Mon May 11, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2374313992825,2cyclictest134-1kworker/1:1H+kblockd12:38:031
2374312992826,1cyclictest2691015-21kworker/0:2+pm12:38:020
237431799271,24cyclictest2629473-21idleruntime-cro11:19:593
237431699272,21cyclictest2537424-21apt-get09:50:132
237431799262,21cyclictest2552614-21apt-get10:05:123
2374317992618,6cyclictest2456929-21grep08:30:173
237431399262,21cyclictest2425593-21apt-get08:00:111
2374317992520,3cyclictest2588409-21apt-get10:40:113
237431799251,22cyclictest2507124-21apt-get09:20:123
237431699251,4cyclictest2625193-21cut11:15:182
237431299252,22cyclictest2451385-21apt-get08:25:120
2374317992419,3cyclictest2676154-21apt-get12:05:123
237431799241,3cyclictest2390315-21cut07:25:153
237431799241,2cyclictest2415061-21apt-get07:50:123
237431799241,22cyclictest2674982-21ntpq12:00:213
237431799241,21cyclictest0-21swapper/311:20:123
2374316992420,2cyclictest2578326-21apt-get10:30:132
2374316992420,2cyclictest2389812-21apt-get07:25:122
2374316992418,4cyclictest2521989-21cron09:35:002
237431699241,21cyclictest2609099-21apt-get11:00:112
237431699241,20cyclictest0-21swapper/207:15:132
237431399242,2cyclictest2671077-21apt-get12:00:121
2374313992420,2cyclictest2681254-21apt-get12:10:121
2374313992420,2cyclictest2629746-21apt-get11:20:131
237431399241,20cyclictest2583379-21apt-get10:35:131
237431399240,23cyclictest2511904-21cron09:25:001
237431299241,20cyclictest2691367-21apt-get12:20:120
237431299240,4cyclictest702-21runrttasks10:35:130
2374317992319,3cyclictest0-21swapper/308:40:123
2374317992319,2cyclictest2547556-21apt-get10:00:123
2374317992319,2cyclictest2410007-21apt-get07:45:123
2374317992319,2cyclictest0-21swapper/311:45:123
237431799231,20cyclictest2502044-21apt-get09:15:123
237431799231,20cyclictest0-21swapper/310:50:123
237431799230,4cyclictest2441725-21grep08:15:143
237431799230,21cyclictest2486592-21munin-run09:00:003
237431799230,21cyclictest0-21swapper/311:35:133
237431799230,21cyclictest0-21swapper/308:45:133
237431699236,9cyclictest2562900-21munin-run10:15:002
2374316992320,2cyclictest2655486-21apt-get11:45:112
2374316992319,2cyclictest2639901-21apt-get11:30:112
2374316992319,2cyclictest0-21swapper/207:20:132
2374316992317,4cyclictest2420539-21apt-get07:55:122
237431699231,2cyclictest2461491-21apt-get08:35:112
237431699231,20cyclictest2394843-21apt-get07:30:122
237431699230,3cyclictest2477157-21ps08:50:152
237431699230,20cyclictest0-21swapper/209:55:132
237431699230,20cyclictest0-21swapper/208:45:122
237431699230,20cyclictest0-21swapper/207:10:112
237431399232,1cyclictest2379630-21apt-get07:15:121
237431399231,3cyclictest2547935-21hddtemp_smartct10:00:161
237431399231,3cyclictest0-21swapper/111:55:011
237431399231,20cyclictest2486851-21apt-get09:00:111
237431399231,19cyclictest2496989-21apt-get09:10:131
237431299231,2cyclictest2537920-21ps09:50:170
237431299230,1cyclictest2441225-21apt-get08:15:110
2374317992219,2cyclictest64-21kcompactd007:20:043
2374317992219,2cyclictest3524844-21kworker/3:1-events09:05:123
2374317992219,2cyclictest2500862-21ntpq09:10:213
2374317992219,2cyclictest0-21swapper/308:35:113
2374317992219,2cyclictest0-21swapper/308:10:123
2374317992218,2cyclictest2522263-21apt-get09:35:123
2374317992217,3cyclictest2379356-21idleruntime-cro07:15:003
237431799221,2cyclictest0-21swapper/310:30:123
237431799221,1cyclictest0-21swapper/311:50:173
237431799220,2cyclictest481rcuc/309:55:133
237431799220,2cyclictest0-21swapper/312:20:133
237431799220,21cyclictest2536640-21/usr/sbin/munin09:45:243
237431799220,20cyclictest2476673-21apt-get08:50:113
237431799220,20cyclictest0-21swapper/311:42:563
237431699221,2cyclictest64-21kcompactd009:02:432
237431699221,2cyclictest2466502-21apt-get08:40:122
237431699220,3cyclictest2649731-21cron11:40:012
237431699220,3cyclictest2567937-21cron10:20:002
237431699220,19cyclictest0-21swapper/211:40:122
237431699220,19cyclictest0-21swapper/208:15:102
2374313992219,1cyclictest2393755-21ntpq07:25:221
237431399221,1cyclictest0-21swapper/108:20:121
237431399220,19cyclictest0-21swapper/110:50:141
237431399220,19cyclictest0-21swapper/110:20:131
237431399220,19cyclictest0-21swapper/109:35:111
237431399220,19cyclictest0-21swapper/108:25:121
2374312992219,2cyclictest2644955-21apt-get11:35:140
2374312992218,3cyclictest2618930-21cron11:10:000
2374312992217,4cyclictest702-21runrttasks11:30:210
237431299221,2cyclictest2686309-21apt-get12:15:110
237431299221,20cyclictest2573271-21apt-get10:25:120
237431299221,20cyclictest0-21swapper/008:30:130
237431299220,2cyclictest2405456-21cut07:40:170
237431299220,21cyclictest2529534-21sort09:40:170
237431299220,20cyclictest2532532-21/usr/sbin/munin09:45:130
237431299220,20cyclictest0-21swapper/007:25:120
237431299220,19cyclictest0-21swapper/010:55:140
2374317992119,1cyclictest2593866-21apt-get10:45:123
2374317992118,2cyclictest0-21swapper/311:55:503
2374317992117,2cyclictest0-21swapper/310:35:123
237431799211,19cyclictest0-21swapper/310:18:003
237431799210,2cyclictest0-21swapper/312:35:133
237431799210,20cyclictest2425597-21chrt08:00:123
237431799210,20cyclictest0-21swapper/308:29:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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