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2026-08-14 - 19:15
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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 Fri Aug 14, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18880499340,25cyclictest500939-21cron12:14:590
18880499331,3cyclictest429483-21awk11:04:590
188804993312,11cyclictest460362-21grep11:35:000
18880499320,3cyclictest449948-21latency_hist11:25:010
18880499320,2cyclictest319474-21sed09:15:170
18880499302,24cyclictest275706-21apt-get08:35:140
18880499301,2cyclictest0-21swapper/012:30:110
18880499300,29cyclictest311268-21grep09:05:240
18880499299,9cyclictest0-21swapper/011:10:160
188804992920,7cyclictest218738-21ntpq07:35:210
188804992919,9cyclictest389119-21ps10:25:160
188804992918,9cyclictest0-21swapper/007:50:000
18880499290,2cyclictest0-21swapper/010:38:080
18880499282,22cyclictest403914-21apt-get10:40:120
188804992820,6cyclictest302041-21apt-get09:00:130
18880499281,4cyclictest506011-21awk12:20:000
18880499281,1cyclictest0-21swapper/011:52:350
18881399272,21cyclictest424710-21apt-get11:00:133
18880499271,20cyclictest0-21swapper/010:55:120
18881399261,21cyclictest322324-21apt-get09:20:113
188804992619,6cyclictest0-21swapper/012:00:110
188804992615,10cyclictest204706-21irqcore07:25:190
18880499261,1cyclictest0-21swapper/007:21:370
188813992515,2cyclictest191rcu_preempt11:40:163
18881199252,2cyclictest414544-21apt-get10:50:122
18880499252,21cyclictest470727-21apt-get11:45:120
18880499251,22cyclictest450942-21grep11:25:140
18880499251,22cyclictest358190-21apt-get09:55:120
18880499251,21cyclictest511334-21apt-get12:25:110
18880499251,21cyclictest409476-21apt-get10:45:110
18880499250,24cyclictest440362-21ps11:15:160
18880499250,24cyclictest440362-21ps11:15:160
18880499250,1cyclictest0-21swapper/007:15:120
18881399242,20cyclictest363236-21apt-get10:00:123
18881399241,3cyclictest444939-21apt-get11:20:103
18881399241,21cyclictest250347-21apt-get08:10:123
18881399241,21cyclictest219916-21apt-get07:40:103
18881199245,1cyclictest225501-21irqcore07:45:172
188811992420,2cyclictest480873-21apt-get11:55:112
188811992418,5cyclictest244999-21cron08:05:002
18881199241,22cyclictest348029-21apt-get09:45:142
18881199241,20cyclictest501218-21apt-get12:15:122
18881199240,1cyclictest0-21swapper/208:45:122
188808992422,1cyclictest225493-21irqcore07:45:171
188808992420,3cyclictest495063-21ntpq12:05:241
188804992417,5cyclictest214141-21true07:35:010
18880499241,2cyclictest235140-21apt-get07:55:130
18880499240,22cyclictest332140-21cron09:30:000
18880499240,22cyclictest322822-21grep09:20:160
188813992320,2cyclictest450454-21apt-get11:25:113
188813992320,2cyclictest230067-21apt-get07:50:103
188813992319,3cyclictest471210-21ps11:45:163
18881399231,2cyclictest214803-21apt-get07:35:133
18881399230,22cyclictest439591-21cron11:14:593
18881399230,21cyclictest245000-21cron08:05:003
18881399230,20cyclictest194092-21apt-get07:15:133
18881199234,1cyclictest0-21swapper/208:15:182
18881199231,2cyclictest403432-21apt-get10:38:082
18881199231,21cyclictest353097-21apt-get09:50:132
18881199230,22cyclictest346834-21/usr/sbin/munin09:40:192
188808992319,2cyclictest455546-21apt-get11:30:111
18880899231,20cyclictest342958-21apt-get09:40:111
18880899231,20cyclictest0-21swapper/110:10:121
18880899230,20cyclictest516428-21apt-get12:30:111
18880899230,19cyclictest0-21swapper/109:45:131
188804992320,2cyclictest0-21swapper/009:50:120
188804992317,4cyclictest348531-21grep09:45:170
188804992315,6cyclictest0-21swapper/012:35:120
18880499231,2cyclictest265564-21apt-get08:25:110
18880499231,20cyclictest0-21swapper/007:40:110
18880499230,20cyclictest0-21swapper/012:05:130
188813992219,2cyclictest327860-21ps09:25:183
188813992218,2cyclictest491081-21apt-get12:05:133
18881399221,20cyclictest393680-21apt-get10:30:113
18881399221,20cyclictest0-21swapper/310:35:123
18881399221,20cyclictest0-21swapper/310:27:053
18881399220,2cyclictest0-21swapper/311:50:103
18881399220,21cyclictest481rcuc/309:30:223
18881399220,21cyclictest229802-21idleruntime-cro07:50:003
18881399220,20cyclictest456048-21irqcore11:30:163
188811992220,1cyclictest419639-21apt-get10:55:132
188811992219,2cyclictest189022-21apt-get07:10:112
188811992219,1cyclictest0-21swapper/210:40:112
188811992219,1cyclictest0-21swapper/209:20:122
18881199221,2cyclictest383303-21munin-run10:20:002
18881199220,21cyclictest239931-21cron07:59:592
18881199220,20cyclictest307600-21cut09:05:152
18881199220,19cyclictest0-21swapper/211:20:102
188808992220,1cyclictest515246-21ntpq12:25:211
188808992219,2cyclictest214135-21https07:35:011
188808992218,3cyclictest332842-21apt-get09:30:131
188808992218,2cyclictest307108-21apt-get09:05:121
18880899221,2cyclictest465659-21apt-get11:40:121
18880899220,2cyclictest317751-21sed09:15:161
18880899220,21cyclictest214764-21apt-get07:35:021
18880899220,20cyclictest0-21swapper/109:55:121
18880899220,19cyclictest255948-21cut08:15:181
18880899220,19cyclictest0-21swapper/108:10:121
18880499222,19cyclictest296265-21latency_hist08:55:010
188804992219,2cyclictest383284-21cron10:19:590
188804992219,2cyclictest0-21swapper/010:05:120
188804992219,2cyclictest0-21swapper/008:05:110
188804992218,3cyclictest333328-21ps09:30:170
188804992218,2cyclictest481823-21sed11:55:150
188804992217,3cyclictest368030-21cron10:05:000
18880499221,2cyclictest0-21swapper/008:03:020
18880499221,20cyclictest0-21swapper/008:44:570
18880499221,1cyclictest0-21swapper/009:35:130
18880499221,1cyclictest0-21swapper/007:10:110
18880499220,5cyclictest3151471kthreadcore09:10:180
18880499220,21cyclictest0-21swapper/011:05:110
188813992119,1cyclictest0-21swapper/308:27:133
188813992118,2cyclictest429754-21apt-get11:05:113
18881399211,1cyclictest0-21swapper/312:32:223
18881399211,1cyclictest0-21swapper/310:15:123
18881399210,20cyclictest0-21swapper/312:10:123
18881399210,20cyclictest0-21swapper/312:00:123
18881399210,20cyclictest0-21swapper/310:40:113
18881399210,20cyclictest0-21swapper/307:25:153
18881399210,1cyclictest460613-21apt-get11:35:113
188811992119,1cyclictest0-21swapper/208:30:132
188811992119,1cyclictest0-21swapper/207:35:132
188811992118,1cyclictest209287-21apt-get07:30:152
18881199211,2cyclictest0-21swapper/207:15:172
18881199210,20cyclictest510305-21ps12:20:252
18881199210,20cyclictest199626-21ps07:20:162
18881199210,1cyclictest0-21swapper/211:45:132
18881199210,19cyclictest0-21swapper/211:05:112
18881199210,19cyclictest0-21swapper/210:10:122
188808992119,1cyclictest0-21swapper/112:35:121
188808992119,1cyclictest0-21swapper/112:00:391
188808992117,3cyclictest199633-21irqcore07:20:161
18880899210,2cyclictest261011-21irqcore08:20:161
18880899210,20cyclictest1-21systemd11:25:001
18880899210,1cyclictest0-21swapper/110:32:291
18880899210,19cyclictest383315-21awk10:20:001
18880899210,19cyclictest0-21swapper/110:38:081
18880899210,18cyclictest0-21swapper/108:25:111
188804992118,2cyclictest0-21swapper/010:30:110
188804992118,2cyclictest0-21swapper/008:30:130
188804992114,5cyclictest0-21swapper/011:40:110
18880499211,18cyclictest234879-21latency_hist07:55:000
18880499210,2cyclictest64-21kcompactd010:14:440
18880499210,2cyclictest0-21swapper/008:57:190
18880499210,20cyclictest461112-21grep11:35:160
188813992018,1cyclictest64-21kcompactd008:40:393
188813992018,1cyclictest0-21swapper/310:45:123
188813992018,1cyclictest0-21swapper/310:20:223
188813992018,1cyclictest0-21swapper/308:16:283
188813992017,2cyclictest511334-21apt-get12:25:133
188813992017,1cyclictest295343-21ntpq08:50:193
188813992016,2cyclictest0-21swapper/307:20:123
18881399200,1cyclictest64-21kcompactd012:37:123
18881399200,1cyclictest0-21swapper/309:45:143
18881399200,1cyclictest0-21swapper/309:10:123
18881399200,1cyclictest0-21swapper/308:45:213
18881399200,19cyclictest358688-21ps09:55:173
18881399200,19cyclictest0-21swapper/311:55:113
18881399200,19cyclictest0-21swapper/310:55:113
18881399200,19cyclictest0-21swapper/310:50:123
18881399200,19cyclictest0-21swapper/309:40:113
18881399200,19cyclictest0-21swapper/308:06:473
188811992018,1cyclictest0-21swapper/211:50:112
188811992018,1cyclictest0-21swapper/208:10:122
188811992015,4cyclictest460967-21gltestperf11:35:142
18881199200,1cyclictest0-21swapper/212:25:212
18881199200,1cyclictest0-21swapper/212:05:242
18881199200,1cyclictest0-21swapper/210:30:112
18881199200,1cyclictest0-21swapper/209:35:122
18881199200,1cyclictest0-21swapper/207:40:112
18881199200,19cyclictest0-21swapper/212:38:342
18881199200,19cyclictest0-21swapper/209:30:132
18881199200,19cyclictest0-21swapper/209:26:532
18881199200,19cyclictest0-21swapper/208:35:132
188808992018,1cyclictest0-21swapper/112:15:121
188808992018,1cyclictest0-21swapper/111:35:111
188808992018,1cyclictest0-21swapper/109:25:161
188808992018,1cyclictest0-21swapper/107:40:111
188808992017,2cyclictest327096-21cron09:25:011
188808992017,2cyclictest1-21systemd08:50:011
18880899200,1cyclictest3777322-21systemd-journal10:29:591
18880899200,1cyclictest0-21swapper/111:45:121
18880899200,1cyclictest0-21swapper/108:50:161
18880899200,1cyclictest0-21swapper/107:15:131
18880899200,19cyclictest409476-21apt-get10:45:121
18880899200,19cyclictest0-21swapper/111:25:111
18880899200,19cyclictest0-21swapper/111:05:111
18880899200,19cyclictest0-21swapper/110:09:541
18880499206,11cyclictest255363-21cat08:15:000
188804992018,1cyclictest0-21swapper/008:15:140
188804992010,8cyclictest506362-21cpuspeed_turbos12:20:130
18880499200,9cyclictest188739-21latency_hist07:10:000
18880499200,4cyclictest263812-21grep08:20:190
18880499200,1cyclictest0-21swapper/008:45:220
188813991917,1cyclictest0-21swapper/312:15:133
188813991917,1cyclictest0-21swapper/308:35:133
188811991917,1cyclictest469596-21ntpq11:40:212
188811991917,1cyclictest0-21swapper/211:00:132
188811991917,1cyclictest0-21swapper/210:45:122
188811991917,1cyclictest0-21swapper/210:00:122
188811991917,1cyclictest0-21swapper/208:52:282
188811991916,2cyclictest312343-21diskstats09:10:132
18881199190,1cyclictest0-21swapper/208:23:272
18881199190,19cyclictest0-21swapper/211:30:112
188808991918,1cyclictest64-21kcompactd012:23:131
188808991917,1cyclictest64-21kcompactd011:52:351
188808991917,1cyclictest0-21swapper/109:50:131
18880899190,1cyclictest0-21swapper/110:50:121
18880899190,1cyclictest0-21swapper/108:45:001
188804991916,2cyclictest0-21swapper/010:51:180
18880499190,2cyclictest342942-21acpi09:40:100
188813991816,1cyclictest0-21swapper/311:15:113
188813991816,1cyclictest0-21swapper/311:15:113
188813991816,1cyclictest0-21swapper/308:55:153
188811991816,1cyclictest0-21swapper/209:55:122
188811991815,1cyclictest0-21swapper/207:25:152
18881199180,17cyclictest0-21swapper/210:29:592
188808991816,1cyclictest0-21swapper/112:10:121
188808991816,1cyclictest0-21swapper/111:10:191
188808991815,2cyclictest420141-21irqcore10:55:181
188808991815,2cyclictest1-21systemd08:05:001
18880899180,1cyclictest0-21swapper/111:55:111
18880899180,1cyclictest0-21swapper/110:40:111
188804991815,2cyclictest0-21swapper/010:20:130
188813991717,0cyclictest64-21kcompactd007:30:153
188813991716,1cyclictest0-21swapper/309:36:343
188813991715,1cyclictest0-21swapper/312:20:123
188813991715,1cyclictest0-21swapper/309:00:123
188811991714,2cyclictest0-21swapper/210:10:012
188811991714,1cyclictest0-21swapper/207:50:112
188811991713,1cyclictest0-21swapper/209:15:112
18881199170,17cyclictest0-21swapper/208:55:152
18881199170,0cyclictest0-21swapper/211:10:182
188808991715,1cyclictest0-21swapper/108:30:131
188808991715,1cyclictest0-21swapper/107:10:111
188813991615,1cyclictest0-21swapper/308:20:203
188813991614,1cyclictest0-21swapper/309:50:133
188813991613,2cyclictest373353-21apt-get10:10:123
188813991613,2cyclictest274533-21awk08:30:213
188811991613,2cyclictest512-21tpm2-abrmd11:30:002
188811991613,2cyclictest0-21swapper/211:20:002
188811991613,2cyclictest0-21swapper/211:20:002
18880899167,7cyclictest1-21systemd09:40:011
188808991613,1cyclictest0-21swapper/111:00:131
188808991612,3cyclictest300939-21unixbench_singl08:55:291
188813991511,3cyclictest317251-21apt-get09:15:123
18881399150,1cyclictest3732021latency_hist10:10:013
18881199156,2cyclictest191rcu_preempt10:25:002
188811991513,1cyclictest64-21kcompactd008:06:472
188811991513,1cyclictest0-21swapper/212:10:122
188808991514,1cyclictest0-21swapper/111:19:151
188808991514,1cyclictest0-21swapper/111:19:151
188808991513,1cyclictest0-21swapper/110:00:121
188808991513,1cyclictest0-21swapper/108:35:141
188808991512,2cyclictest312182-21apt-get09:10:121
188808991511,3cyclictest230135-21cpuspeed_turbos07:50:111
188813991411,2cyclictest189025-21seq07:10:113
188811991412,1cyclictest0-21swapper/212:00:122
188811991410,3cyclictest0-21swapper/208:45:002
188808991411,2cyclictest250084-21sh08:09:591
188808991411,2cyclictest0-21swapper/107:25:151
188808991410,2cyclictest0-21swapper/109:00:261
18881399139,2cyclictest0-21swapper/307:55:163
18881199139,2cyclictest0-21swapper/212:30:162
188811991310,2cyclictest0-21swapper/208:25:212
18881199130,2cyclictest0-21swapper/209:00:152
18880899139,2cyclictest387453-21ntpq10:20:221
18880899131,2cyclictest239970-21unin-run07:59:591
18881199107,2cyclictest188739-21latency_hist07:10:012
1888089985,2cyclictest0-21swapper/107:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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