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2025-12-03 - 22:17
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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 Wed Dec 03, 2025 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15990972227196,20sleep20-21swapper/207:09:332
15989622224194,20sleep00-21swapper/007:07:470
15990062223194,19sleep30-21swapper/307:08:223
15989032223194,19sleep10-21swapper/107:06:581
179619421740,1sleep01796186-21ntpq10:55:080
1599312996358,3cyclictest1837859-21/usr/sbin/munin11:45:013
1599312995654,2cyclictest1728308-21kworker/u8:4+flush-179:009:45:153
1599310995229,4cyclictest1630012-21Chrome_ChildIOT07:45:122
159930299510,48cyclictest1630029-21/usr/share/muni07:45:010
1599312995047,2cyclictest1699280-21kworker/u8:0+events_unbound10:55:213
159931299500,48cyclictest1786029-21Chrome_ChildIOT10:45:013
159931299500,48cyclictest1786029-21Chrome_ChildIOT10:45:013
1599310994944,4cyclictest1785956-21CacheThread_Blo10:45:002
1599310994944,4cyclictest1785956-21CacheThread_Blo10:45:002
1599302994844,3cyclictest1670699-21apt-get08:30:130
1599312994743,3cyclictest1599109-21kworker/u8:1+flush-179:007:15:053
1599312994642,3cyclictest1616666-21kworker/u8:1+events_unbound07:35:143
1599310994643,2cyclictest1720925-21kworker/2:0+pm10:11:232
1599302994634,7cyclictest1721242-21/usr/share/muni09:30:070
1599310994542,2cyclictest1462511-1kworker/2:2H+kblockd11:10:262
1599306994540,3cyclictest1801314-21apt-get11:00:141
1599306994532,12cyclictest535128-1kworker/1:1H+kblockd10:49:451
1599306994532,12cyclictest535128-1kworker/1:1H+kblockd10:49:451
1599312994441,2cyclictest1673822-21kworker/u8:3+flush-179:008:40:073
1599312994441,2cyclictest1673822-21kworker/u8:3+flush-179:008:40:073
1599312994441,2cyclictest1560269-21kworker/u8:3+events_unbound07:20:113
1599310994440,3cyclictest1677520-21/usr/share/muni08:40:102
1599310994440,3cyclictest1677520-21/usr/share/muni08:40:102
1599302994439,4cyclictest1783773-21apt-get10:40:140
1599302994438,4cyclictest1860061-21/usr/share/muni12:10:010
1599312994340,3cyclictest1742603-21kworker/u8:1+flush-179:010:20:013
1599310994340,2cyclictest1462511-1kworker/2:2H+kblockd08:25:012
1599312994239,2cyclictest1798812-21kworker/u8:1+flush-179:011:25:123
1599310994238,3cyclictest1701152-21apt-get09:05:122
1599310994236,5cyclictest1722367-21ntpq09:30:082
1599306994237,4cyclictest1798812-21kworker/u8:1+flush-179:012:25:141
1599306994231,10cyclictest535128-1kworker/1:1H+kblockd09:43:021
1599306994137,3cyclictest1688319-21ntpq08:50:141
1599302994137,3cyclictest1703614-21gpgv09:10:000
1599302994134,5cyclictest1799347-21/usr/share/muni11:00:050
1599312994037,2cyclictest1727859-21kworker/u8:3+flush-179:009:55:143
1599312994037,2cyclictest1560269-21kworker/u8:3+events_unbound07:45:003
1599312994036,3cyclictest1699280-21kworker/u8:0+events_unbound10:30:073
1599310994038,1cyclictest1651387-21kworker/2:2+pm08:45:352
1599310994037,2cyclictest1846295-21kworker/2:2+pm12:35:052
1599310994037,2cyclictest1772906-21kworker/2:3+pm10:35:152
1599310994037,2cyclictest1720925-21kworker/2:0+pm09:55:322
1599306994037,2cyclictest1738331-21kworker/1:3+pm11:05:101
16894562390,0chrt1689453-21ntp_states08:50:232
1599312993936,2cyclictest1798812-21kworker/u8:1+flush-179:011:50:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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