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2026-03-26 - 17:51
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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 (updated Thu Mar 26, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1634923993734,2cyclictest1849148-21fwupd10:39:553
1634923993429,3cyclictest1655103-21cron07:30:003
163492399331,21cyclictest0-21swapper/307:50:123
1634923993217,4cyclictest1931266-21idleruntime-cro12:00:013
163492399321,21cyclictest1916348-21apt-get11:45:113
163492399321,21cyclictest0-21swapper/307:45:123
163492399321,20cyclictest1855026-21grep10:45:173
163491399320,23cyclictest0-21swapper/011:05:100
1634923993118,2cyclictest1732720-21irqcore08:45:153
163492399310,21cyclictest1695633-21/usr/sbin/munin08:09:593
163492399301,21cyclictest1680719-21apt-get07:55:113
163492399280,20cyclictest0-21swapper/311:00:113
1634913992821,5cyclictest1839059-21idleruntime-cro10:30:010
163492399271,23cyclictest1819110-21apt-get10:10:113
163492399271,21cyclictest1879937-21apt-get11:10:113
163492399271,20cyclictest0-21swapper/308:55:123
163491699270,20cyclictest191rcu_preempt10:50:171
1634923992620,3cyclictest1942121-21apt-get12:10:133
1634923992619,5cyclictest1859613-21apt-get10:50:133
163492399261,22cyclictest1660461-21apt-get07:35:113
163492399261,21cyclictest1906210-21apt-get11:35:113
163492399261,20cyclictest0-21swapper/310:40:113
163491399262,22cyclictest1962827-21apt-get12:30:130
1634923992519,2cyclictest64-21kcompactd007:16:513
1634923992519,1cyclictest0-21swapper/309:50:123
163492399251,3cyclictest1738198-21grep08:50:163
163492399251,21cyclictest1655381-21apt-get07:30:123
163492399251,20cyclictest0-21swapper/309:40:133
163492399250,23cyclictest1768552-21cut09:20:173
163492199252,20cyclictest1763010-21apt-get09:15:132
1634916992521,3cyclictest1911301-21apt-get11:40:111
163491399252,20cyclictest0-21swapper/011:20:000
1634923992419,2cyclictest0-21swapper/311:25:123
163492399241,20cyclictest0-21swapper/309:15:133
163492399240,22cyclictest1869480-21sh11:00:003
163492399240,20cyclictest0-21swapper/310:15:123
163492199240,23cyclictest1885142-21grep11:15:012
163491699242,2cyclictest1864681-21apt-get10:55:111
1634916992420,2cyclictest1665538-21apt-get07:40:101
1634916992419,3cyclictest1942606-21ps12:10:171
163491699240,2cyclictest191rcu_preempt08:15:001
163491699240,2cyclictest191rcu_preempt08:14:591
1634913992420,3cyclictest1942121-21apt-get12:10:110
1634913992420,2cyclictest1635120-21apt-get07:10:100
1634913992419,3cyclictest702-21runrttasks11:45:110
163492399231,2cyclictest1685774-21apt-get08:00:113
163492399231,20cyclictest0-21swapper/309:00:043
163492399231,19cyclictest0-21swapper/312:00:123
163492399230,20cyclictest0-21swapper/310:25:113
1634921992320,2cyclictest1706454-21apt-get08:20:122
1634921992320,2cyclictest0-21swapper/207:15:002
1634921992318,4cyclictest0-21swapper/212:25:132
163492199231,2cyclictest1901119-21apt-get11:30:112
163492199231,2cyclictest1778179-21apt-get09:30:142
163492199230,20cyclictest0-21swapper/209:20:112
163492199230,20cyclictest0-21swapper/209:05:112
163491699231,2cyclictest0-21swapper/107:25:161
163491699231,20cyclictest1757955-21apt-get09:10:111
163491399233,1cyclictest17850irq/129-nvme0q108:20:000
1634913992321,1cyclictest0-21swapper/007:50:120
1634913992320,2cyclictest1863506-21ntpq10:50:210
1634913992320,2cyclictest1711933-21apt-get08:25:120
1634913992320,2cyclictest0-21swapper/011:10:110
1634913992316,1cyclictest191rcu_preempt11:23:070
163491399231,2cyclictest0-21swapper/011:30:120
163491399231,21cyclictest1736140-21ntpq08:45:200
163491399231,20cyclictest1783253-21apt-get09:35:100
163491399231,20cyclictest1660203-21awk07:35:000
1634923992219,2cyclictest0-21swapper/309:29:383
1634923992218,3cyclictest261-21systemd-journal11:55:003
1634923992217,3cyclictest1701861-21grep08:15:163
163492399221,2cyclictest1752897-21apt-get09:05:113
163492399221,2cyclictest0-21swapper/310:30:123
163492399221,1cyclictest0-21swapper/308:25:123
163492399220,19cyclictest0-21swapper/307:40:103
1634921992218,3cyclictest1773597-21sed09:25:142
1634921992217,3cyclictest1849449-21apt-get10:40:122
163492199221,20cyclictest1839311-21apt-get10:30:122
163492199221,20cyclictest1696296-21apt-get08:10:122
163492199221,20cyclictest1696296-21apt-get08:10:122
163492199220,1cyclictest0-21swapper/210:05:002
163492199220,19cyclictest0-21swapper/207:35:112
1634916992219,2cyclictest516-21rs:main1
163491699221,1cyclictest1921394-21apt-get11:50:111
163491699221,1cyclictest1854525-21apt-get10:45:131
163491699221,1cyclictest1849454-21modprobe10:40:111
163491699220,21cyclictest1722580-21sort08:35:151
163491699220,21cyclictest1655878-21ps07:30:161
1634913992220,1cyclictest1865633-21ps10:55:160
1634913992219,2cyclictest0-21swapper/007:55:100
1634913992218,2cyclictest1645257-21apt-get07:20:110
1634913992216,1cyclictest191rcu_preempt12:00:210
163491399221,20cyclictest0-21swapper/010:20:110
163491399221,20cyclictest0-21swapper/008:07:550
163491399221,1cyclictest1746703-21ntpq08:55:200
163491399221,1cyclictest0-21swapper/009:45:130
163491399221,1cyclictest0-21swapper/009:20:120
163491399220,3cyclictest1675395-21awk07:50:000
163491399220,2cyclictest1783009-21sh09:35:010
163491399220,21cyclictest1804009-21irqcore09:55:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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