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2026-09-19 - 08:10
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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 highest latencies:
System rackeslot4.osadl.org (updated Sat Sep 19, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1851166992819,7cyclictest2055000-21apt-get22:30:120
185117499252,20cyclictest2065155-21apt-get22:40:153
1851174992521,2cyclictest2085881-21apt-get23:00:113
185117299252,2cyclictest2014370-21apt-get21:50:112
1851172992520,3cyclictest2121471-21apt-get23:35:142
185117299250,3cyclictest2157213-21cron00:10:012
185117299250,20cyclictest0-21swapper/223:55:122
185116699252,21cyclictest1937681-21apt-get20:35:120
185116699252,21cyclictest1937681-21apt-get20:35:120
1851166992521,2cyclictest0-21swapper/021:05:170
185116699251,2cyclictest2182841-21apt-get00:35:130
185116699251,2cyclictest1902163-21apt-get20:00:110
185116699251,22cyclictest2141771-21apt-get23:55:120
185116699251,22cyclictest1989434-21grep21:25:140
185116699251,21cyclictest2126564-21apt-get23:40:130
185116699251,21cyclictest2009325-21apt-get21:45:120
185116699251,21cyclictest0-21swapper/022:05:130
185116699251,1cyclictest1922403-21apt-get20:20:110
185117499241,21cyclictest2106213-21apt-get23:20:143
185117499241,21cyclictest2106213-21apt-get23:20:133
185117299242,2cyclictest1994042-21apt-get21:30:112
185117299242,20cyclictest1927516-21apt-get20:25:112
185117299242,1cyclictest1988948-21apt-get21:25:102
1851172992420,2cyclictest2131653-21apt-get23:45:112
185117299241,21cyclictest1897094-21apt-get19:55:112
185117299241,21cyclictest0-21swapper/220:35:122
185117299241,21cyclictest0-21swapper/220:35:122
185117299240,4cyclictest1906930-21cron20:05:002
185117299240,23cyclictest2059781-21cron22:34:592
185117299240,22cyclictest2095768-21cron23:09:592
185117299240,20cyclictest0-21swapper/223:30:112
185117299240,20cyclictest0-21swapper/200:30:202
185116899241,3cyclictest1942531-21munin-run20:40:001
185116899241,3cyclictest1942531-21munin-run20:40:001
185116899241,22cyclictest1958933-21sed20:55:181
1851166992418,4cyclictest1978491-21sh21:15:000
185116699241,3cyclictest2157214-21cron00:10:000
185116699241,3cyclictest1896825-21sh19:55:000
185116699241,2cyclictest0-21swapper/022:45:110
185116699241,20cyclictest2146929-21apt-get00:00:120
1851174992320,2cyclictest1983856-21apt-get21:20:113
1851174992319,2cyclictest1963522-21apt-get21:00:113
1851174992319,2cyclictest1912008-21sh20:10:003
1851174992318,3cyclictest3777322-21systemd-journal20:30:003
185117499231,2cyclictest2152423-21apt-get00:05:133
1851172992319,3cyclictest2009049-21cron21:45:012
1851172992319,2cyclictest0-21swapper/222:00:112
185117299231,2cyclictest0-21swapper/222:05:132
185117299230,2cyclictest1896817-21cron19:55:002
185117299230,20cyclictest0-21swapper/219:15:112
185117299230,20cyclictest0-21swapper/219:10:112
185117299230,1cyclictest0-21swapper/223:20:132
185117299230,1cyclictest0-21swapper/223:20:122
185117299230,1cyclictest0-21swapper/223:00:122
1851168992319,2cyclictest2167634-21apt-get00:20:101
185116899231,19cyclictest2090975-21apt-get23:05:111
185116899230,20cyclictest0-21swapper/123:55:131
185116899230,19cyclictest0-21swapper/119:50:101
1851166992319,3cyclictest2094921-21ntpq23:05:200
1851166992319,3cyclictest1861304-21munin-run19:20:000
1851166992319,2cyclictest2157488-21apt-get00:10:120
1851166992317,4cyclictest2085605-21cron22:59:590
185116699231,2cyclictest0-21swapper/020:25:110
185116699231,2cyclictest0-21swapper/019:55:110
185116699231,20cyclictest0-21swapper/021:50:110
185116699230,2cyclictest0-21swapper/020:09:320
185116699230,21cyclictest1958151-21cron20:55:000
185116699230,21cyclictest1856189-21cron19:15:000
185116699230,21cyclictest0-21swapper/021:35:140
185116699230,21cyclictest0-21swapper/000:30:210
1851174992219,2cyclictest64-21kcompactd022:04:353
1851174992218,3cyclictest1974195-21irqcore21:10:153
1851174992218,2cyclictest2095796-21basename23:09:593
1851174992218,2cyclictest1958432-21apt-get20:55:123
1851174992218,2cyclictest1867132-21sed19:25:173
185117499220,21cyclictest1947974-21idleruntime-cro20:45:003
185117499220,20cyclictest0-21swapper/323:55:133
185117499220,1cyclictest0-21swapper/319:20:113
185117499220,1cyclictest0-21swapper/300:00:103
185117499220,19cyclictest64-21kcompactd019:55:013
185117499220,19cyclictest0-21swapper/323:35:143
1851172992219,2cyclictest2060060-21apt-get22:35:112
1851172992219,2cyclictest1943175-21apt-get20:40:112
1851172992219,1cyclictest2019439-21apt-get21:55:122
1851172992219,1cyclictest0-21swapper/219:30:502
185117299221,20cyclictest0-21swapper/200:00:112
185117299221,1cyclictest0-21swapper/222:48:072
185117299220,2cyclictest0-21swapper/221:45:122
185117299220,2cyclictest0-21swapper/200:35:132
185117299220,21cyclictest0-21swapper/223:40:132
185117299220,1cyclictest0-21swapper/221:20:112
185117299220,1cyclictest0-21swapper/220:55:142
185117299220,19cyclictest0-21swapper/220:47:102
1851168992219,1cyclictest1978762-21apt-get21:15:111
1851168992218,2cyclictest2039745-21apt-get22:15:121
1851168992217,3cyclictest1877286-21sort19:35:181
185116899221,20cyclictest64-21kcompactd000:29:471
185116899220,3cyclictest2024994-21ps22:00:161
185116899220,20cyclictest2069945-21cron22:44:591
185116899220,20cyclictest0-21swapper/122:20:111
185116899220,19cyclictest0-21swapper/123:25:121
185116899220,19cyclictest0-21swapper/123:15:111
185116899220,19cyclictest0-21swapper/120:45:121
185116899220,19cyclictest0-21swapper/119:25:131
1851166992219,2cyclictest0-21swapper/020:55:120
1851166992218,2cyclictest0-21swapper/023:35:130
1851166992218,2cyclictest0-21swapper/023:15:330
1851166992218,2cyclictest0-21swapper/020:40:110
185116699221,2cyclictest0-21swapper/023:00:120
185116699221,2cyclictest0-21swapper/019:40:110
185116699221,1cyclictest0-21swapper/023:20:120
185116699221,1cyclictest0-21swapper/023:20:120
185116699220,2cyclictest2069967-21munin-run22:44:590
185116699220,21cyclictest64-21kcompactd019:30:500
185116699220,20cyclictest2044838-21apt-get22:20:100
185116699220,20cyclictest0-21swapper/022:35:110
185116699220,1cyclictest1968350-21systemd-run21:05:000
1851174992118,2cyclictest2014096-21cron21:50:003
1851174992118,1cyclictest0-21swapper/320:30:113
1851174992117,2cyclictest2070644-21apt-get22:45:103
1851174992115,3cyclictest2177730-21apt-get00:30:113
185117499210,2cyclictest2009088-21unin-run21:45:013
185117499210,20cyclictest0-21swapper/300:26:023
185117499210,1cyclictest2075718-21apt-get22:50:113
185117499210,1cyclictest1856463-21apt-get19:15:113
185117499210,1cyclictest0-21swapper/320:35:123
185117499210,1cyclictest0-21swapper/320:35:123
185117499210,18cyclictest0-21swapper/321:15:103
1851172992119,1cyclictest2065155-21apt-get22:40:142
1851172992119,1cyclictest0-21swapper/222:57:162
1851172992119,1cyclictest0-21swapper/200:20:112
1851172992118,2cyclictest1979262-21irqcore21:15:152
1851172992118,1cyclictest0-21swapper/222:20:102
1851172992116,3cyclictest1978482-21cron21:15:012
185117299210,2cyclictest702-21runrttasks23:25:162
185117299210,2cyclictest0-21swapper/220:20:112
185117299210,19cyclictest0-21swapper/221:35:142
1851168992119,1cyclictest0-21swapper/119:55:111
1851168992118,2cyclictest2034416-21munin-run22:10:001
1851168992118,2cyclictest2003955-21cron21:40:001
1851168992118,1cyclictest0-21swapper/122:10:131
185116899211,19cyclictest0-21swapper/120:03:371
185116899210,2cyclictest2157975-21sed00:10:161
185116899210,20cyclictest64-21kcompactd023:04:481
185116899210,20cyclictest1-21systemd00:05:001
185116899210,20cyclictest0-21swapper/100:05:111
185116899210,19cyclictest0-21swapper/122:35:121
185116899210,18cyclictest0-21swapper/119:10:111
1851166992119,1cyclictest1932588-21apt-get20:30:110
1851166992119,1cyclictest0-21swapper/023:25:170
1851166992119,1cyclictest0-21swapper/022:10:170
1851166992119,1cyclictest0-21swapper/021:43:370
1851166992118,2cyclictest2096535-21tr23:10:160
185116699210,2cyclictest0-21swapper/021:20:110
185116699210,20cyclictest64-21kcompactd020:47:100
185116699210,20cyclictest0-21swapper/023:30:110
185116699210,20cyclictest0-21swapper/022:29:180
185116699210,1cyclictest1861559-21apt-get19:20:110
1851174992018,1cyclictest0-21swapper/323:30:113
1851174992018,1cyclictest0-21swapper/321:50:103
1851174992018,1cyclictest0-21swapper/321:30:113
1851174992018,1cyclictest0-21swapper/319:10:193
185117499200,1cyclictest0-21swapper/300:35:153
185117499200,1cyclictest0-21swapper/300:10:123
185117499200,18cyclictest0-21swapper/322:55:123
1851172992018,1cyclictest1881883-21apt-get19:40:112
1851172992018,1cyclictest0-21swapper/200:25:132
1851172992017,2cyclictest1970803-21sed21:05:172
1851172992017,1cyclictest1861559-21apt-get19:20:112
1851172992017,1cyclictest0-21swapper/200:10:122
1851172992016,3cyclictest64-21kcompactd022:14:482
1851172992016,2cyclictest64-21kcompactd023:15:332
185117299200,1cyclictest0-21swapper/220:09:322
185117299200,1cyclictest0-21swapper/200:15:482
1851168992018,1cyclictest2096046-21apt-get23:10:121
1851168992018,1cyclictest0-21swapper/121:50:111
1851168992018,1cyclictest0-21swapper/121:40:221
1851168992018,1cyclictest0-21swapper/121:25:101
1851168992018,1cyclictest0-21swapper/121:05:121
1851168992018,1cyclictest0-21swapper/120:25:101
1851168992017,1cyclictest2116372-21apt-get23:30:121
185116899201,19cyclictest0-21swapper/121:00:361
185116899200,1cyclictest0-21swapper/122:50:101
185116899200,1cyclictest0-21swapper/122:45:121
185116899200,1cyclictest0-21swapper/120:20:111
185116899200,19cyclictest0-21swapper/123:41:211
185116899200,19cyclictest0-21swapper/121:30:111
1851166992018,1cyclictest0-21swapper/023:50:110
1851174991917,1cyclictest0-21swapper/323:45:113
1851174991917,1cyclictest0-21swapper/323:40:133
1851174991917,1cyclictest0-21swapper/323:19:513
1851174991917,1cyclictest0-21swapper/321:56:323
1851174991917,1cyclictest0-21swapper/321:07:363
1851174991915,2cyclictest1948225-21apt-get20:45:123
1851172991917,1cyclictest0-21swapper/220:32:392
1851172991916,2cyclictest2096528-21irqcore23:10:172
1851172991916,1cyclictest2136701-21apt-get23:50:122
185117299190,1cyclictest0-21swapper/221:05:002
1851168991917,1cyclictest0-21swapper/120:50:111
1851168991917,1cyclictest0-21swapper/120:40:121
1851168991917,1cyclictest0-21swapper/100:35:141
185116899190,1cyclictest0-21swapper/123:20:121
185116899190,1cyclictest0-21swapper/123:20:121
185116899190,1cyclictest0-21swapper/121:45:111
185116899190,19cyclictest0-21swapper/123:51:011
185116899190,18cyclictest2167389-21basename00:20:011
185116899190,18cyclictest1865476-21ntpq19:20:201
1851166991916,2cyclictest0-21swapper/000:20:110
1851166991916,1cyclictest0-21swapper/020:10:130
1851166991913,5cyclictest2044567-21sh22:20:000
185116699190,1cyclictest0-21swapper/019:25:120
1851174991816,1cyclictest1906935-21ls20:05:003
1851174991816,1cyclictest0-21swapper/323:53:433
1851174991816,1cyclictest0-21swapper/322:34:593
1851174991816,1cyclictest0-21swapper/319:30:113
1851174991816,1cyclictest0-21swapper/300:20:123
1851174991815,2cyclictest2034397-21cron22:10:003
185117499180,15cyclictest0-21swapper/319:40:113
1851172991816,1cyclictest0-21swapper/222:29:522
1851168991815,2cyclictest1871846-21cpuspeed_turbos19:30:121
1851166991815,2cyclictest2162559-21apt-get00:15:140
1851166991814,3cyclictest19827302sleep021:15:200
1851166991814,2cyclictest1876795-21apt-get19:35:140
1851174991716,1cyclictest0-21swapper/322:23:233
1851174991715,1cyclictest0-21swapper/323:25:123
1851174991715,1cyclictest0-21swapper/319:45:123
1851172991714,2cyclictest0-21swapper/220:55:002
1851172991714,1cyclictest0-21swapper/222:50:102
1851172991713,3cyclictest0-21swapper/220:10:132
1851168991713,3cyclictest2053911-21ntp_offset22:25:211
1851166991715,1cyclictest0-21swapper/000:25:130
1851166991714,2cyclictest61650irq/133-enp0s29f1:rx-023:45:140
1851174991614,1cyclictest64-21kcompactd020:15:593
1851174991614,1cyclictest0-21swapper/300:15:133
1851174991613,2cyclictest1999453-21gltestperf21:35:163
1851174991612,3cyclictest1922623-21chrt20:20:133
1851174991611,3cyclictest3777322-21systemd-journal19:55:003
1851172991611,3cyclictest2044569-21cron22:19:592
1851168991616,0cyclictest0-21swapper/119:10:011
1851168991614,1cyclictest2020392-21kthreadcore21:55:161
1851168991614,1cyclictest0-21swapper/119:47:301
1851168991613,2cyclictest2121965-21irqcore23:35:171
1851168991613,2cyclictest1882198-21gltestperf19:40:141
1851168991613,1cyclictest0-21swapper/120:30:121
1851174991514,1cyclictest64-21kcompactd019:36:443
185117299152,2cyclictest191rcu_preempt20:15:152
185117299150,2cyclictest191rcu_preempt19:25:172
1851168991514,1cyclictest0-21swapper/120:13:501
1851168991513,1cyclictest0-21swapper/123:45:111
1851168991510,3cyclictest1861282-21cron19:20:001
1851166991512,2cyclictest0-21swapper/021:30:110
1851166991511,3cyclictest61650irq/133-enp0s29f1:rx-020:15:120
1851174991412,1cyclictest0-21swapper/321:25:103
1851174991411,2cyclictest2034786-21cpuspeed_turbos22:10:143
1851174991411,2cyclictest1957105-21load20:50:183
1851172991411,2cyclictest0-21swapper/219:35:142
185117299140,2cyclictest191rcu_preempt19:45:172
1851168991411,2cyclictest1984352-21ps21:20:151
1851168991411,2cyclictest1917651-21gltestperf20:15:141
1851168991410,2cyclictest0-21swapper/120:05:161
1851166991411,2cyclictest2024510-21apt-get22:00:130
1851166991411,1cyclictest0-21swapper/022:50:110
185117499137,4cyclictest2044295-21sshd22:16:453
1851168991310,2cyclictest2178027-21gltestperf00:30:141
1851166991311,1cyclictest0-21swapper/019:45:120
1851168991211,1cyclictest0-21swapper/122:55:111
185117499118,2cyclictest1912581-21gltestperf20:10:153
185117499110,4cyclictest1851239-21cat19:10:013
185116899119,1cyclictest2057997-21kthreadcore22:30:181
185116899116,4cyclictest311ktimers/121:10:121
185116699118,2cyclictest171ktimers/021:55:180
185117499108,1cyclictest2100160-21sensors23:10:253
185117499107,1cyclictest0-21swapper/322:25:203
185117499104,4cyclictest2064010-21ntpq22:35:223
185117299108,1cyclictest0-21swapper/219:10:012
18511669991,6cyclictest1851075-21latency_hist19:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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