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2026-06-11 - 11:29
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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 Thu Jun 11, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2018381992918,3cyclictest2258588-21apt-get23:05:093
2018376992927,1cyclictest0-21swapper/219:35:012
201838199272,21cyclictest2314696-21apt-get00:00:113
201838199271,22cyclictest2197002-21apt-get22:05:113
201838199271,22cyclictest2135414-21apt-get21:05:123
201838199262,21cyclictest2299490-21apt-get23:45:113
201838199261,22cyclictest0-21swapper/323:50:113
201838199261,21cyclictest2110146-21apt-get20:40:113
201838199261,21cyclictest2084381-21apt-get20:15:123
201837699262,21cyclictest2079328-21apt-get20:10:122
201837399262,21cyclictest2345015-21apt-get00:30:101
201837099260,24cyclictest2324828-21taskset00:10:100
201837699251,21cyclictest2130359-21apt-get21:00:122
201837699251,21cyclictest2130359-21apt-get21:00:122
201837699250,23cyclictest2319774-21seq00:05:102
201837699250,23cyclictest2095029-21irqcore20:25:152
201837099251,3cyclictest2207591-21apt-get22:15:120
201837099250,21cyclictest2299490-21apt-get23:45:110
2018381992420,2cyclictest2104826-21idleruntime-cro20:35:003
2018381992419,3cyclictest2054011-21apt-get19:45:123
201838199241,3cyclictest2345504-21tr00:30:143
201838199241,20cyclictest0-21swapper/320:00:123
201838199241,19cyclictest2130359-21apt-get21:00:123
201838199241,19cyclictest2130359-21apt-get21:00:123
201838199240,4cyclictest2166637-21taskset21:35:103
2018376992415,1cyclictest2053755-21awk19:45:002
2018373992420,2cyclictest2059088-21apt-get19:50:121
201837399241,21cyclictest2319771-21apt-get00:05:111
201837399241,21cyclictest2231728-21ntpq22:35:221
201837399241,20cyclictest2048937-21apt-get19:40:111
201837099242,2cyclictest2329879-21apt-get00:15:120
201837099242,2cyclictest2217699-21apt-get22:25:110
201837099242,2cyclictest2038850-21apt-get19:30:100
2018370992420,2cyclictest2202492-21apt-get22:10:110
201837099241,3cyclictest2269205-21grep23:15:150
201837099241,3cyclictest2228310-21irqcore22:35:160
201837099241,2cyclictest2120228-21apt-get20:50:120
201837099241,21cyclictest2334908-21apt-get00:20:100
201837099240,22cyclictest2253243-21awk23:00:000
201838199232,2cyclictest2192420-21irqcore22:00:163
2018381992319,2cyclictest2350133-21apt-get00:35:123
2018381992319,2cyclictest0-21swapper/322:15:123
2018381992318,3cyclictest0-21swapper/322:45:113
2018381992316,5cyclictest3777322-21systemd-journal21:35:003
201838199231,2cyclictest2253515-21apt-get23:00:123
201838199231,20cyclictest0-21swapper/323:40:113
201838199231,20cyclictest0-21swapper/322:40:013
201838199230,21cyclictest2019088-21cut19:10:143
201838199230,20cyclictest2340468-21cut00:25:153
201838199230,20cyclictest0-21swapper/319:50:113
201838199230,19cyclictest0-21swapper/321:10:113
2018376992319,2cyclictest2278808-21apt-get23:25:122
201837699231,2cyclictest0-21swapper/223:30:112
201837699231,19cyclictest0-21swapper/222:25:112
201837699230,20cyclictest0-21swapper/223:15:112
201837699230,20cyclictest0-21swapper/222:30:112
201837699230,20cyclictest0-21swapper/221:05:122
2018373992320,2cyclictest2033797-21apt-get19:25:101
2018373992319,2cyclictest2350065-21sshd00:35:021
2018373992319,2cyclictest2181796-21apt-get21:50:111
201837399231,2cyclictest2064166-21apt-get19:55:121
201837399231,20cyclictest2283858-21apt-get23:30:111
201837399230,21cyclictest2161095-21cut21:30:011
201837399230,21cyclictest0-21swapper/100:00:111
201837399230,20cyclictest0-21swapper/122:05:111
201837399230,20cyclictest0-21swapper/119:45:121
2018370992319,2cyclictest2349833-21cron00:35:000
2018370992319,2cyclictest2166634-21apt-get21:35:110
201837099231,2cyclictest2115176-21apt-get20:45:110
201837099231,2cyclictest2028719-21apt-get19:20:110
201837099231,2cyclictest2024137-21ps19:15:160
201837099231,20cyclictest2043880-21apt-get19:35:120
201837099231,20cyclictest0-21swapper/000:00:110
201837099230,21cyclictest2340447-21ps00:25:140
201837099230,20cyclictest2201823-21http22:10:010
2018381992219,2cyclictest2329624-21idleruntime-cro00:15:013
2018381992219,2cyclictest0-21swapper/321:40:123
2018381992219,2cyclictest0-21swapper/320:10:113
2018381992219,1cyclictest0-21swapper/300:15:113
2018381992218,2cyclictest2145260-21apt-get21:15:023
2018381992218,2cyclictest0-21swapper/319:20:113
2018381992217,3cyclictest2228323-21ps22:35:163
201838199221,2cyclictest64-21kcompactd023:16:023
201838199221,2cyclictest0-21swapper/321:45:123
201838199221,20cyclictest0-21swapper/322:14:453
201838199221,1cyclictest0-21swapper/322:55:023
201838199220,2cyclictest0-21swapper/300:20:103
201838199220,21cyclictest64-21kcompactd020:27:133
201838199220,20cyclictest0-21swapper/319:30:113
2018376992218,2cyclictest2161581-21apt-get21:30:112
201837699221,2cyclictest2232850-21apt-get22:40:102
201837699220,2cyclictest2263395-21ls23:10:002
201837699220,20cyclictest0-21swapper/220:40:112
201837699220,20cyclictest0-21swapper/200:10:112
201837699220,19cyclictest0-21swapper/221:25:112
2018373992219,2cyclictest0-21swapper/120:50:121
2018373992218,2cyclictest0-21swapper/123:00:121
201837399220,20cyclictest2263669-21taskset23:10:111
201837399220,20cyclictest0-21swapper/120:25:041
201837399220,19cyclictest0-21swapper/123:25:131
201837399220,19cyclictest0-21swapper/122:15:121
201837399220,18cyclictest0-21swapper/120:35:101
2018370992219,2cyclictest2057966-21ntpq19:45:210
201837099221,20cyclictest2105091-21apt-get20:35:110
201837099221,20cyclictest0-21swapper/023:55:130
201837099221,20cyclictest0-21swapper/021:26:530
201837099220,2cyclictest2089183-21cron20:19:590
201837099220,21cyclictest0-21swapper/019:55:120
201837099220,21cyclictest0-21swapper/000:35:120
201837099220,20cyclictest64-21kcompactd023:44:310
2018381992118,2cyclictest64-21kcompactd022:28:433
2018381992118,2cyclictest64-21kcompactd021:20:263
2018381992118,2cyclictest0-21swapper/322:20:103
2018381992118,2cyclictest0-21swapper/321:55:113
2018381992118,2cyclictest0-21swapper/320:50:123
2018381992118,2cyclictest0-21swapper/319:35:123
2018381992117,2cyclictest0-21swapper/320:05:113
2018381992116,3cyclictest2320254-21irqcore00:05:153
201838199210,2cyclictest0-21swapper/320:45:133
201838199210,20cyclictest0-21swapper/319:15:443
2018376992119,1cyclictest0-21swapper/219:25:102
2018376992117,3cyclictest2298989-21apt-config23:45:012
201837699210,1cyclictest0-21swapper/223:45:112
201837699210,19cyclictest0-21swapper/223:35:122
201837699210,19cyclictest0-21swapper/220:35:102
201837699210,18cyclictest0-21swapper/219:35:112
2018373992119,1cyclictest0-21swapper/100:10:211
2018373992118,2cyclictest2018364-21cyclictest20:05:001
201837399211,19cyclictest0-21swapper/121:15:121
201837399210,2cyclictest2187368-21grep21:55:151
201837399210,20cyclictest702-21runrttasks23:40:231
201837399210,20cyclictest2289376-21grep23:35:161
201837399210,20cyclictest0-21swapper/121:20:111
201837399210,1cyclictest2206486-21ntpq22:10:221
201837399210,1cyclictest0-21swapper/122:50:121
201837399210,1cyclictest0-21swapper/120:20:111
201837399210,18cyclictest0-21swapper/100:20:091
2018370992119,1cyclictest2288890-21apt-get23:35:120
2018370992119,1cyclictest0-21swapper/021:20:110
2018370992119,1cyclictest0-21swapper/021:10:110
2018370992118,2cyclictest2172172-21ps21:40:150
2018370992118,2cyclictest0-21swapper/022:30:110
2018370992117,2cyclictest2237903-21apt-get22:45:100
201837099211,1cyclictest0-21swapper/023:30:110
201837099211,1cyclictest0-21swapper/019:25:100
201837099210,20cyclictest0-21swapper/021:50:120
201837099210,20cyclictest0-21swapper/021:00:120
201837099210,20cyclictest0-21swapper/021:00:110
201837099210,20cyclictest0-21swapper/020:20:110
201837099210,1cyclictest0-21swapper/021:30:110
2018381992018,1cyclictest0-21swapper/323:26:153
2018381992018,1cyclictest0-21swapper/320:55:163
2018381992016,2cyclictest0-21swapper/323:10:103
201838199200,1cyclictest0-21swapper/323:24:383
2018376992018,1cyclictest0-21swapper/221:50:112
2018376992018,1cyclictest0-21swapper/219:20:112
2018376992018,1cyclictest0-21swapper/219:15:122
2018376992018,1cyclictest0-21swapper/200:15:122
2018376992017,2cyclictest2243436-21irqcore22:50:162
2018376992017,2cyclictest2197005-21taskset22:05:102
2018376992017,2cyclictest2191926-21apt-get22:00:112
2018376992016,2cyclictest2263666-21apt-get23:10:102
201837699201,1cyclictest0-21swapper/221:45:122
201837699200,1cyclictest2350094-21sshd00:35:032
201837699200,1cyclictest2349738-21sshd00:33:592
201837699200,1cyclictest2242681-21idleruntime-cro22:50:002
201837699200,1cyclictest0-21swapper/222:55:122
201837699200,1cyclictest0-21swapper/221:55:112
201837699200,1cyclictest0-21swapper/221:10:112
201837699200,1cyclictest0-21swapper/219:45:122
201837699200,19cyclictest0-21swapper/221:23:082
201837699200,19cyclictest0-21swapper/220:30:032
201837699200,19cyclictest0-21swapper/220:01:582
2018373992018,1cyclictest0-21swapper/123:45:121
2018373992018,1cyclictest0-21swapper/123:15:101
2018373992018,1cyclictest0-21swapper/122:25:191
2018373992018,1cyclictest0-21swapper/119:11:251
2018373992017,2cyclictest2223240-21irqcore22:30:151
2018373992017,2cyclictest2176742-21apt-get21:45:111
2018373992017,2cyclictest2176468-21idleruntime-cro21:45:001
2018373992017,2cyclictest2171412-21cron21:40:001
2018373992015,4cyclictest2145382-21apt-config21:15:011
201837399200,1cyclictest0-21swapper/122:45:111
201837399200,1cyclictest0-21swapper/121:30:111
201837399200,1cyclictest0-21swapper/120:10:121
201837399200,1cyclictest0-21swapper/119:35:121
201837399200,1cyclictest0-21swapper/119:20:111
201837399200,19cyclictest2104845-21basename20:35:001
201837399200,19cyclictest0-21swapper/120:57:521
201837399200,17cyclictest0-21swapper/123:20:101
2018370992018,1cyclictest64-21kcompactd021:55:230
2018370992018,1cyclictest0-21swapper/023:25:210
2018370992018,1cyclictest0-21swapper/020:25:250
2018370992018,1cyclictest0-21swapper/020:10:120
201837099200,2cyclictest0-21swapper/019:40:120
201837099200,1cyclictest0-21swapper/021:45:120
201837099200,1cyclictest0-21swapper/020:30:090
201837099200,19cyclictest64-21kcompactd022:20:390
2018381991915,2cyclictest0-21swapper/319:55:123
2018376991917,1cyclictest0-21swapper/222:24:582
2018376991917,1cyclictest0-21swapper/221:40:122
2018376991916,2cyclictest2074295-21apt-get20:05:112
201837699190,19cyclictest0-21swapper/219:50:202
201837699190,18cyclictest0-21swapper/222:15:172
2018373991917,1cyclictest0-21swapper/120:15:121
2018373991917,1cyclictest0-21swapper/120:06:161
2018373991916,1cyclictest0-21swapper/100:15:121
201837399190,1cyclictest3161179-21kworker/u8:1+ext4-rsv-conversion22:55:241
2018370991917,1cyclictest0-21swapper/020:40:120
2018370991917,1cyclictest0-21swapper/020:07:200
2018381991816,1cyclictest0-21swapper/322:30:523
2018381991815,2cyclictest2310058-21irqcore23:55:163
2018381991813,3cyclictest2089459-21apt-get20:20:113
2018376991816,1cyclictest2304543-21apt-get23:50:112
2018376991816,1cyclictest0-21swapper/222:35:212
2018376991816,1cyclictest0-21swapper/221:35:112
2018376991816,1cyclictest0-21swapper/219:55:122
2018376991815,1cyclictest2273752-21apt-get23:20:112
201837699180,1cyclictest0-21swapper/223:55:162
201837699180,17cyclictest0-21swapper/220:55:152
201837699180,16cyclictest0-21swapper/220:45:122
2018373991817,1cyclictest0-21swapper/119:30:201
2018373991816,1cyclictest0-21swapper/122:20:101
2018373991815,2cyclictest2233349-21irqcore22:40:151
201837099189,2cyclictest191rcu_preempt21:10:010
2018370991816,1cyclictest0-21swapper/023:11:440
2018381991713,2cyclictest0-21swapper/322:55:003
2018381991713,2cyclictest0-21swapper/319:25:143
2018376991715,1cyclictest0-21swapper/200:20:102
2018376991714,2cyclictest0-21swapper/220:55:002
2018373991715,1cyclictest0-21swapper/123:50:111
2018373991715,1cyclictest0-21swapper/119:15:131
2018370991715,1cyclictest0-21swapper/023:00:120
2018370991715,1cyclictest0-21swapper/020:57:200
2018370991714,2cyclictest61650irq/133-enp0s29f1:rx-023:50:170
2018370991714,2cyclictest211rcuc/000:10:000
2018370991714,2cyclictest0-21swapper/022:55:000
2018370991713,3cyclictest2145946-21apt-get21:15:120
2018370991711,4cyclictest2196733-21basename22:05:000
2018381991614,1cyclictest64-21kcompactd023:38:363
2018381991612,2cyclictest2048937-21apt-get19:40:123
2018381991611,4cyclictest2160934-21apt-config21:30:003
2018376991614,1cyclictest0-21swapper/221:15:122
2018373991615,1cyclictest0-21swapper/120:45:001
2018373991613,2cyclictest2263405-21sh23:10:001
2018373991612,2cyclictest2314420-21cron00:00:011
2018370991613,2cyclictest61650irq/133-enp0s29f1:rx-023:20:170
2018370991613,2cyclictest61650irq/133-enp0s29f1:rx-022:40:370
201838199158,5cyclictest3777322-21systemd-journal21:55:003
2018376991514,1cyclictest0-21swapper/219:10:202
2018376991511,2cyclictest0-21swapper/220:15:152
2018376991510,4cyclictest0-21swapper/222:10:142
2018373991513,1cyclictest0-21swapper/121:05:131
201837099159,2cyclictest191rcu_preempt23:05:160
2018370991512,2cyclictest2063427-21unixbench_multi19:50:240
2018370991512,2cyclictest0-21swapper/019:15:000
2018381991412,1cyclictest0-21swapper/323:33:143
2018373991411,2cyclictest311ktimers/122:00:131
2018370991411,2cyclictest61650irq/133-enp0s29f1:rx-020:00:130
201838199131,9cyclictest2109881-21latency_hist20:40:013
2018376991310,2cyclictest2254018-21cut23:00:162
201837399139,2cyclictest2340454-21sort00:25:151
201837699120,2cyclictest0-21swapper/200:28:002
201837399127,4cyclictest2119307-21sed20:45:241
201837399121,2cyclictest2018293-21latency_hist19:10:011
201837699117,3cyclictest2018293-21latency_hist19:10:012
201838199100,10cyclictest0-21swapper/319:10:013
20183709985,2cyclictest0-21swapper/019:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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