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2026-04-07 - 10:08
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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 rackeslot4.osadl.org (updated Tue Apr 07, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
166554199323,2cyclictest191rcu_preempt20:05:120
166554199323,2cyclictest191rcu_preempt20:05:120
166555199277,19cyclictest0-21swapper/323:15:173
1665551992724,2cyclictest0-21swapper/321:55:003
166554199272,22cyclictest1921280-21apt-get23:20:100
166554199260,24cyclictest2002333-21cron00:40:000
166554199260,24cyclictest1987934-21grep00:25:160
166555199251,22cyclictest1676338-21apt-get19:20:113
166554699251,21cyclictest1757377-21apt-get20:40:122
166554199251,3cyclictest1982383-21apt-get00:20:120
166554199251,22cyclictest1896011-21apt-get22:55:110
166554199251,22cyclictest1691550-21sshd19:35:120
166554199251,21cyclictest1957131-21apt-get23:55:110
166554199251,21cyclictest1870699-21apt-get22:30:130
166554199251,21cyclictest1840212-21apt-get22:00:120
166554199250,23cyclictest1834424-21idleruntime-cro21:54:590
166555199240,4cyclictest702-21runrttasks22:35:113
166554699242,2cyclictest1762448-21apt-get20:45:122
166554699241,3cyclictest1782386-21ntpq21:00:212
166554699241,2cyclictest1916205-21apt-get23:15:122
166554699241,20cyclictest1910031-21ntpq23:05:202
166554699241,20cyclictest0-21swapper/219:20:112
166554699240,22cyclictest0-21swapper/223:00:132
166554699240,21cyclictest0-21swapper/220:20:142
1665544992420,2cyclictest1896011-21apt-get22:55:121
166554499241,21cyclictest1849244-21ntpq22:05:221
166554499241,21cyclictest0-21swapper/120:20:131
1665541992420,2cyclictest1947000-21apt-get23:45:110
166554199241,3cyclictest1880850-21apt-get22:40:110
166554199241,20cyclictest1737147-21apt-get20:20:120
166554199240,20cyclictest0-21swapper/020:40:110
166555199230,3cyclictest1809105-21idleruntime-cro21:30:013
166555199230,2cyclictest1752026-21idleruntime-cro20:35:003
166555199230,22cyclictest1885604-21cron22:45:003
166555199230,20cyclictest0-21swapper/323:00:133
166555199230,20cyclictest0-21swapper/321:15:123
1665546992319,3cyclictest1788362-21cron21:10:002
1665546992319,2cyclictest1747253-21apt-get20:30:102
166554699231,1cyclictest1804333-21apt-get21:25:122
166554699230,21cyclictest0-21swapper/219:50:112
166554699230,20cyclictest0-21swapper/222:06:042
166554699230,19cyclictest0-21swapper/221:35:082
166554499232,19cyclictest1931391-21apt-get23:30:121
166554499231,20cyclictest1972297-21apt-get00:10:121
1665541992319,2cyclictest1977349-21apt-get00:15:110
1665541992319,2cyclictest1798830-21apt-get21:20:130
1665541992319,2cyclictest0-21swapper/021:45:110
1665541992319,2cyclictest0-21swapper/020:45:120
1665541992318,3cyclictest0-21swapper/019:20:110
1665541992316,5cyclictest1798565-21cron21:20:010
166554199231,3cyclictest0-21swapper/023:32:380
166554199231,2cyclictest0-21swapper/023:11:080
166554199231,2cyclictest0-21swapper/020:54:020
166554199231,2cyclictest0-21swapper/020:30:100
166554199231,21cyclictest0-21swapper/019:11:210
166554199231,20cyclictest1783295-21cron21:05:010
166554199231,20cyclictest1681415-21apt-get19:25:110
166554199231,20cyclictest0-21swapper/022:50:130
166554199230,21cyclictest1754525-21sshd20:35:160
166554199230,1cyclictest1696644-21apt-get19:40:110
1665551992219,1cyclictest0-21swapper/323:28:533
1665551992218,2cyclictest1783572-21apt-get21:05:133
166555199220,2cyclictest1731790-21cron20:15:003
166555199220,2cyclictest0-21swapper/300:15:113
166555199220,20cyclictest0-21swapper/319:50:113
166555199220,1cyclictest0-21swapper/323:50:113
166555199220,19cyclictest0-21swapper/323:55:123
166555199220,19cyclictest0-21swapper/322:25:123
166555199220,19cyclictest0-21swapper/320:55:123
166555199220,19cyclictest0-21swapper/320:20:143
166555199220,19cyclictest0-21swapper/300:29:053
1665546992219,2cyclictest1941004-21switchtime23:35:242
1665546992219,2cyclictest1746978-21cron20:30:012
1665546992217,3cyclictest1880853-21chrt22:40:112
166554699221,20cyclictest1839094-21ntpq21:55:222
166554699220,20cyclictest64-21kcompactd022:29:452
166554699220,20cyclictest0-21swapper/221:10:122
166554699220,20cyclictest0-21swapper/200:15:122
166554699220,1cyclictest0-21swapper/222:00:122
166554699220,1cyclictest0-21swapper/200:35:112
166554699220,1cyclictest0-21swapper/200:30:102
166554499222,1cyclictest1711851-21apt-get19:55:101
1665544992219,2cyclictest1716905-21apt-get20:00:131
1665544992219,2cyclictest0-21swapper/119:30:001
1665544992219,1cyclictest0-21swapper/120:30:101
166554499221,2cyclictest1835121-21apt-get21:55:131
166554499221,20cyclictest1793734-21apt-get21:15:131
166554499221,20cyclictest0-21swapper/121:10:121
166554499221,1cyclictest1865603-21apt-get22:25:121
166554499221,1cyclictest1732065-21apt-get20:15:101
166554499221,19cyclictest0-21swapper/121:30:171
166554499220,2cyclictest1931111-21cron23:30:001
166554499220,20cyclictest1727491-21cut20:10:161
1665541992219,2cyclictest1788642-21apt-get21:10:120
1665541992219,2cyclictest0-21swapper/000:00:120
1665541992218,2cyclictest1824281-21cron21:45:000
1665541992217,3cyclictest1890677-21munin-run22:50:000
166554199221,20cyclictest0-21swapper/023:15:130
166554199220,2cyclictest0-21swapper/023:50:210
166554199220,2cyclictest0-21swapper/021:25:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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