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2026-04-27 - 05:35
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Sun Apr 26, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1979927590,13sleep019797-21/usr/sbin/munin07:05:170
207889916638,32cyclictest31082-21cpu12:00:190
20788991619,45cyclictest8823-21munin-run12:40:010
207889915346,18cyclictest2228-21latency_hist12:15:030
2148211210,88sleep02149-21users10:05:510
2526121109,87sleep025259-21ntp_states09:30:420
3018821094,11sleep030186-21diskstats07:45:220
6714210811,84sleep06717-21df10:25:180
2772521055,11sleep027726-21fw_forwarded_lo07:35:280
1417221016,84sleep013146-21apt-get08:46:300
26480210022,62sleep0101ktimersoftd/007:30:260
20788999757,23cyclictest0-21swapper/012:17:170
324012965,80sleep032404-21diskstats12:05:260
80002955,78sleep08002-21fw_forwarded_lo10:30:260
75402956,78sleep06534-21apt-get08:21:250
62432945,67sleep06172-21apt-get08:17:400
20788999332,27cyclictest1276-21runrttasks09:05:060
262722925,11sleep026274-21irqstats11:40:310
216942924,78sleep021712-21find09:15:520
47912916,74sleep04787-21apt-get10:17:030
3154529117,61sleep0101ktimersoftd/009:55:160
254922916,74sleep024503-21apt-get07:26:230
2078899919,19cyclictest29293-21if_eth009:45:510
163332915,73sleep016334-21diskstats08:55:220
25422905,73sleep02573-21/usr/sbin/munin08:05:130
31242895,74sleep03139-21ntpq10:10:370
20788998857,16cyclictest12219-21runrttasks08:40:170
2078899878,44cyclictest15109-21munin-run11:00:020
20788998746,28cyclictest3650irq/20-4900000011:07:120
20788998649,28cyclictest0-21swapper/008:25:230
50592855,69sleep05061-21fw_conntrack12:25:440
20788998554,14cyclictest10150irq/55-4a10000011:10:340
20788998543,28cyclictest3650irq/20-4900000011:22:130
20788998533,38cyclictest0-21swapper/007:56:110
20788998452,14cyclictest4576-21seq08:12:180
20788998433,16cyclictest4751-21latency_hist12:25:050
20788998328,38cyclictest0-21swapper/009:01:300
20788998250,14cyclictest10150irq/55-4a10000011:25:120
20788998250,14cyclictest10150irq/55-4a10000011:17:080
20788998236,34cyclictest30589-21ntpq09:50:360
20788998235,14cyclictest10250irq/56-4a10000011:50:280
20788998144,23cyclictest3650irq/20-4900000011:05:070
20788998135,31cyclictest101ktimersoftd/010:00:140
2078899808,17cyclictest22680-21irqstats09:20:310
20788998061,11cyclictest101ktimersoftd/011:35:180
20788998051,13cyclictest10150irq/55-4a10000009:35:230
20788998049,14cyclictest10150irq/55-4a10000008:50:400
20788998024,41cyclictest0-21swapper/009:40:080
20788997939,27cyclictest101ktimersoftd/007:40:250
20788997937,32cyclictest10250irq/56-4a10000008:00:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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