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2026-05-03 - 19:37
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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 May 03, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2477433993218,12cyclictest2428908-21kworker/u8:0-ext4-rsv-conversion08:35:001
247743399290,19cyclictest0-21swapper/108:50:151
247743399281,20cyclictest0-21swapper/109:55:121
247743399280,2cyclictest1-21systemd08:00:001
247743399280,18cyclictest0-21swapper/109:15:111
2477433992719,6cyclictest2543735-21apt-get08:15:121
2477433992719,6cyclictest0-21swapper/107:50:121
2477433992718,8cyclictest2660674-21idleruntime-cro10:10:001
247743399271,21cyclictest0-21swapper/111:55:201
247743399270,20cyclictest0-21swapper/109:35:121
247743399270,20cyclictest0-21swapper/108:55:121
247743599262,21cyclictest2493139-21apt-get07:25:132
2477427992619,5cyclictest2609712-21turbostat.cron09:20:000
247744199251,22cyclictest2483026-21apt-get07:15:133
247744199251,20cyclictest2508299-21apt-get07:40:113
247743599251,21cyclictest2533555-21apt-get08:05:122
2477433992518,1cyclictest0-21swapper/108:29:261
247742799252,3cyclictest2518409-21apt-get07:50:120
247742799251,3cyclictest2676181-21apt-get10:25:140
247742799251,22cyclictest2554768-21tr08:25:180
247742799251,21cyclictest2737848-21apt-get11:25:110
247742799251,21cyclictest2584653-21apt-get08:55:120
247744199242,20cyclictest2717600-21apt-get11:05:123
247744199242,20cyclictest2589708-21apt-get09:00:123
2477441992420,2cyclictest2732765-21apt-get11:20:103
2477441992420,2cyclictest2635683-21apt-get09:45:123
2477441992419,3cyclictest2691832-21apt-get10:40:133
2477435992419,3cyclictest2752765-21basename11:40:012
2477435992419,3cyclictest2488566-21irqcore07:20:152
2477433992422,1cyclictest2742656-21cron11:30:001
247743399240,1cyclictest0-21swapper/107:25:131
2477427992420,2cyclictest2615064-21apt-get09:25:130
2477427992419,3cyclictest2640739-21apt-get09:50:110
2477427992419,3cyclictest2497084-21ntpq07:25:220
247742799241,21cyclictest2655906-21apt-get10:05:130
247742799241,21cyclictest2534053-21ps08:05:160
247742799241,21cyclictest0-21swapper/012:30:110
247742799240,4cyclictest2636179-21ps09:45:150
247742799240,21cyclictest2559311-21/usr/sbin/munin08:30:100
247744199232,2cyclictest2650873-21apt-get10:00:123
247744199231,2cyclictest0-21swapper/311:25:103
247744199231,20cyclictest2783885-21apt-get12:10:103
247744199230,20cyclictest0-21swapper/308:55:123
2477435992318,3cyclictest2690708-21ntpq10:35:222
247743599231,2cyclictest0-21swapper/210:35:002
247743599230,21cyclictest2619860-21munin-run09:30:002
2477433992320,2cyclictest2548794-21apt-get08:20:111
2477433992319,2cyclictest2528520-21apt-get08:00:111
247743399231,21cyclictest1-21systemd08:39:591
247743399231,20cyclictest2758545-21apt-get11:45:131
247743399231,19cyclictest2671097-21apt-get10:20:101
247743399231,19cyclictest2477421-21cyclictest09:40:121
247743399230,21cyclictest2732500-21latency_hist11:20:001
247743399230,20cyclictest0-21swapper/111:30:121
2477427992320,1cyclictest2660959-21apt-get10:10:110
2477427992319,2cyclictest2681248-21apt-get10:30:100
2477427992319,2cyclictest2666017-21apt-get10:15:120
2477427992318,3cyclictest261-21systemd-journal09:44:590
2477427992318,3cyclictest2523444-21apt-get07:55:110
2477427992317,4cyclictest2590192-21irqcore09:00:160
247742799231,2cyclictest2778830-21apt-get12:05:120
247742799231,2cyclictest2538629-21apt-get08:10:110
247742799231,2cyclictest2538629-21apt-get08:10:100
247742799231,2cyclictest2477945-21apt-get07:10:110
247742799231,2cyclictest0-21swapper/012:25:130
247742799231,2cyclictest0-21swapper/011:55:140
247742799231,21cyclictest2594765-21apt-get09:05:130
247742799231,21cyclictest0-21swapper/007:45:130
247742799231,20cyclictest2794004-21apt-get12:20:110
247742799230,21cyclictest0-21swapper/011:10:120
2477441992219,1cyclictest2742930-21apt-get11:30:123
247744199221,2cyclictest2655906-21apt-get10:05:143
247744199220,20cyclictest0-21swapper/309:50:123
2477435992219,2cyclictest2620542-21apt-get09:30:122
2477435992219,2cyclictest2595254-21sed09:05:172
2477435992219,2cyclictest0-21swapper/211:25:102
2477435992219,2cyclictest0-21swapper/211:05:132
2477435992219,2cyclictest0-21swapper/210:45:112
2477435992218,3cyclictest401ktimers/209:45:112
2477435992218,3cyclictest2703120-21cut10:50:162
2477435992218,2cyclictest2630628-21apt-get09:40:122
247743599221,2cyclictest2763598-21apt-get11:50:122
247743599221,1cyclictest2768679-21apt-get11:55:132
247743599221,1cyclictest2712097-21apt-get11:00:122
247743599221,1cyclictest0-21swapper/212:00:202
247743599221,1cyclictest0-21swapper/209:20:112
247743599221,19cyclictest0-21swapper/207:09:592
247743599220,20cyclictest2783618-21sh12:10:012
2477433992219,1cyclictest0-21swapper/112:30:111
2477433992215,1cyclictest0-21swapper/110:15:121
247743399220,3cyclictest2692330-21grep10:40:171
247743399220,20cyclictest2680979-21sh10:30:001
247743399220,19cyclictest0-21swapper/111:05:131
2477427992219,2cyclictest2645817-21apt-get09:55:110
2477427992219,2cyclictest0-21swapper/007:35:110
2477427992218,3cyclictest2498172-21apt-get07:30:130
247742799221,2cyclictest2748008-21apt-get11:35:120
247742799221,2cyclictest0-21swapper/011:50:130
247742799221,2cyclictest0-21swapper/010:50:110
247742799220,2cyclictest0-21swapper/011:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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