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2026-01-02 - 23:31
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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 rackbslot2.osadl.org (updated Fri Jan 02, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15386012232179,19sleep00-21swapper/007:06:410
15388302230200,19sleep10-21swapper/107:09:391
15386532225197,18sleep30-21swapper/307:07:203
15387222223195,19sleep20-21swapper/207:08:162
1539021998737,12cyclictest1726540-21munin-node10:45:003
1539019998128,51cyclictest1726487-21chrome10:45:012
153901999716,64cyclictest1538920-21kworker/u8:1+efi_rts_wq08:01:172
153901099653,61cyclictest1505579-21kworker/u8:0+efi_rts_wq08:01:190
153902199636,56cyclictest1538920-21kworker/u8:1+efi_rts_wq08:01:173
1539010996258,3cyclictest1538920-21kworker/u8:1+events_unbound10:15:170
1539021995854,2cyclictest1674274-13chrome09:45:003
1539021995247,4cyclictest1622045-21ThreadPoolForeg08:45:123
1539019995146,3cyclictest1674338-21chrome09:45:012
1539010995046,3cyclictest1769560-21kworker/u8:4+flush-179:011:55:140
1539014994943,4cyclictest1717622-21/usr/share/muni10:35:121
1539010994844,3cyclictest1538920-21kworker/u8:1+flush-179:010:50:150
1539014994732,14cyclictest1054437-1kworker/1:0H+kblockd11:35:301
1539010994643,2cyclictest1538920-21kworker/u8:1+flush-179:007:30:050
1539010994642,3cyclictest1538920-21kworker/u8:1+events_unbound08:35:140
1539021994440,3cyclictest1658899-21apt-get09:25:153
1539010994440,3cyclictest1673859-21kworker/u8:3+flush-179:009:45:180
1539010994440,3cyclictest1598350-21kworker/u8:3+flush-179:008:30:050
1539010994439,4cyclictest1752563-21kworker/u8:2+flush-179:012:05:100
1539021994339,3cyclictest1821095-21kworker/u8:1+flush-179:012:40:003
1539019994328,14cyclictest1639138-21kworker/2:0+pm10:20:102
1539014994335,6cyclictest1639712-21/usr/share/muni09:05:141
1539010994239,2cyclictest1656614-21kworker/u8:2+flush-179:010:25:150
1539010994239,2cyclictest1505579-21kworker/u8:0+flush-179:007:50:140
1539010994136,3cyclictest1786952-21latency_hist11:55:010
1539019994038,1cyclictest1556392-21kworker/2:1+pm07:35:302
1539019994037,2cyclictest1757529-21kworker/2:1+pm12:35:472
1539019994037,2cyclictest1708896-21kworker/2:3+pm10:40:532
1539019994037,2cyclictest1708896-21kworker/2:3+pm10:35:102
1539019994037,2cyclictest1639138-21kworker/2:0+pm09:20:032
1539014994032,7cyclictest1054437-1kworker/1:0H+kblockd10:00:111
1539010994037,2cyclictest1630636-21kworker/u8:0+events_unbound09:25:170
1539010994036,3cyclictest1795155-21kworker/u8:1+flush-179:012:10:240
1539010994036,3cyclictest1510004-21kworker/u8:4+flush-179:007:10:240
1539021993937,1cyclictest1721252-21kworker/3:0+pm10:43:273
1539019993937,1cyclictest1757529-21kworker/2:1+pm12:31:022
1539019993937,1cyclictest1757529-21kworker/2:1+pm11:50:292
1539019993937,1cyclictest1708896-21kworker/2:3+pm10:30:592
1539019993937,1cyclictest1639138-21kworker/2:0+pm09:35:482
1539019993937,1cyclictest1591208-21kworker/2:1+pm08:35:482
1539019993937,1cyclictest1591208-21kworker/2:1+pm08:21:152
1539019993937,1cyclictest1582517-21kworker/2:0+pm08:05:162
1539019993936,2cyclictest1639138-21kworker/2:0+pm09:40:132
1539019993936,2cyclictest1639138-21kworker/2:0+pm09:15:142
1539019993936,2cyclictest1639138-21kworker/2:0+pm09:11:022
1539019993936,2cyclictest1556392-21kworker/2:1+pm07:30:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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