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2025-08-28 - 22:34
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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 Thu Aug 28, 2025 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17866672245188,19sleep30-21swapper/307:08:563
17865382224177,38sleep10-21swapper/107:07:171
17864792222194,19sleep00-21swapper/007:06:310
17865922217188,19sleep20-21swapper/207:07:582
1786918997715,61cyclictest1920717-21munin-update09:45:012
1786918996453,10cyclictest1972889-21/usr/share/muni10:45:012
1786920996348,14cyclictest1972867-21chrome10:45:013
1786920996314,47cyclictest1920997-21chrome09:45:013
1786920995752,3cyclictest1817670-21ThreadPoolForeg07:45:013
1786918995552,1cyclictest1817389-21munin-update07:45:012
1786918995144,3cyclictest1800102-21kworker/u8:4+events_unbound07:50:042
1786918995047,2cyclictest1834272-21kworker/u8:2+events_unbound08:10:142
1786914994949,0cyclictest0-21swapper/111:45:001
1786918994846,1cyclictest2061013-21awk12:25:122
1786918994843,3cyclictest1834272-21kworker/u8:2+flush-179:008:05:052
1786914994847,0cyclictest2061014-21awk12:25:131
1786918994745,1cyclictest1856259-21kworker/2:2+pm08:55:052
1786918994744,2cyclictest1800102-21kworker/u8:4+flush-179:008:35:152
1786920994637,8cyclictest1804788-21/usr/share/muni07:30:123
1786918994639,3cyclictest1834272-21kworker/u8:2+events_unbound08:40:122
1786918994631,14cyclictest1931121-21kworker/u8:4+events_unbound10:20:102
1786914994643,2cyclictest2041874-1kworker/1:2H+kblockd12:14:051
1786920994540,3cyclictest1860442-21kworker/u8:1+events_unbound09:00:103
1786918994440,3cyclictest2015052-21kworker/u8:2+flush-179:011:40:052
1786918994440,3cyclictest1963869-21kworker/u8:3+flush-179:010:40:132
1786914994442,1cyclictest1770039-1kworker/1:1H+kblockd08:37:301
1786914994441,2cyclictest1805863-21apt-get07:30:071
1786920994339,3cyclictest2037885-21kworker/u8:1+events_unbound12:05:143
1786918994341,1cyclictest1727180-21kworker/2:2+pm07:31:232
1786918994340,2cyclictest1931121-21kworker/u8:4+flush-179:010:10:162
1786918994339,3cyclictest1883608-21apt-get09:00:082
1786920994238,3cyclictest2015052-21kworker/u8:2+flush-179:011:40:153
1786920994235,5cyclictest2046601-21/usr/share/muni12:10:013
1786918994235,5cyclictest1813366-21/usr/share/muni07:40:022
1786920994138,2cyclictest1976981-21kworker/u8:4+events_unbound11:25:143
1786920994138,2cyclictest1838542-21kworker/u8:0+flush-179:008:15:153
1786920994137,3cyclictest1988983-21kworker/u8:2+flush-179:011:05:003
1786920994137,3cyclictest1976981-21kworker/u8:4+events_unbound11:50:073
1786918994137,3cyclictest1931121-21kworker/u8:4+events_unbound10:00:062
1786918994129,11cyclictest4002570-1kworker/2:0H+kblockd09:31:452
1786910994137,3cyclictest1916682-21/usr/share/muni09:40:120
1786920994037,2cyclictest1976981-21kworker/u8:4+events_unbound11:30:143
1786920994037,2cyclictest1929493-21kworker/u8:2+flush-179:010:25:153
1786920994034,4cyclictest1990801-21/usr/share/muni11:05:013
1786918994037,2cyclictest1931121-21kworker/u8:4+flush-179:010:05:132
1786918994036,3cyclictest1777840-21kworker/u8:2+flush-179:007:10:162
1786920993935,3cyclictest1923804-21kworker/u8:3+flush-179:009:55:113
1786920993935,3cyclictest1834272-21kworker/u8:2+events_unbound09:10:143
1786918993937,1cyclictest2042668-21kworker/2:1+pm12:17:022
1786918993937,1cyclictest1856259-21kworker/2:2+pm09:10:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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