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2026-01-10 - 06:52
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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 376 highest latencies:
System rackeslot4.osadl.org (updated Sat Jan 10, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3150675993835,2cyclictest3273996-21fwupd21:06:022
315067599271,21cyclictest0-21swapper/221:55:112
3150677992614,3cyclictest3452674-21awk00:05:003
315067599261,22cyclictest3248836-21apt-get20:45:132
315067599261,21cyclictest3457997-21apt-get00:10:102
315067599261,21cyclictest3406874-21apt-get23:20:112
315067599261,21cyclictest3386532-21apt-get23:00:122
315067599261,21cyclictest0-21swapper/223:25:112
315067599260,14cyclictest3279473-21munin-run21:15:002
315067799252,3cyclictest3238704-21apt-get20:35:113
3150677992520,2cyclictest3166092-21apt-get19:25:133
3150677992519,4cyclictest3207998-21irqcore20:05:163
315067799250,22cyclictest3300387-21chrt21:35:113
315067599252,21cyclictest3391599-21apt-get23:05:112
315067599252,21cyclictest3391599-21apt-get23:05:112
315067599251,4cyclictest3330527-21basename22:05:002
315067599251,3cyclictest0-21swapper/223:10:152
315067599251,21cyclictest3478379-21apt-get00:30:132
315067599251,21cyclictest3315590-21apt-get21:50:112
315067599251,20cyclictest3340886-21apt-get22:15:102
3150670992521,2cyclictest3253887-21apt-get20:50:111
315066699255,1cyclictest0-21swapper/000:25:100
315066699255,19cyclictest0-21swapper/020:40:150
315066699252,21cyclictest3361167-21apt-get22:35:120
3150677992420,2cyclictest3381485-21apt-get22:55:113
3150677992420,2cyclictest3351050-21apt-get22:25:113
3150677992419,3cyclictest0-21swapper/323:10:003
3150677992419,3cyclictest0-21swapper/323:10:003
315067799241,3cyclictest3452923-21apt-get00:05:113
315067799241,20cyclictest3197375-21apt-get19:55:133
315067799241,20cyclictest0-21swapper/322:10:103
315067799240,23cyclictest3436616-21taskset23:45:223
3150675992420,2cyclictest3150856-21apt-get19:10:102
315067599241,3cyclictest3161013-21apt-get19:20:102
315067599241,21cyclictest3310244-21cron21:45:002
315067599241,21cyclictest3264176-21cron21:00:002
315067599241,20cyclictest0-21swapper/223:35:092
315067599240,3cyclictest3284503-21cron21:20:002
315067599240,21cyclictest0-21swapper/222:50:112
315067599240,21cyclictest0-21swapper/222:20:112
315067599240,21cyclictest0-21swapper/221:20:112
315067599240,20cyclictest0-21swapper/219:40:092
315067099241,2cyclictest3233630-21apt-get20:30:131
315067099241,20cyclictest3290269-21apt-get21:25:111
315067099241,19cyclictest0-21swapper/100:30:121
315066699242,21cyclictest3422458-21apt-get23:35:100
315066699242,21cyclictest3371348-21apt-get22:45:120
315066699241,3cyclictest3366256-21apt-get22:40:110
315066699241,3cyclictest3264444-21apt-get21:00:120
3150677992319,2cyclictest3483455-21apt-get00:35:103
3150677992319,2cyclictest0-21swapper/321:50:113
3150677992318,2cyclictest0-21swapper/323:20:123
3150677992317,4cyclictest3371097-21awk22:45:003
315067799231,2cyclictest3437664-21apt-get23:50:103
315067799230,21cyclictest0-21swapper/321:30:133
315067799230,20cyclictest0-21swapper/319:10:123
315067599231,21cyclictest3375329-21ntpq22:45:222
315067599231,21cyclictest3206330-21ntpq20:00:212
315067599231,20cyclictest3186820-21apt-get19:45:102
315067599230,20cyclictest0-21swapper/222:40:112
315067599230,20cyclictest0-21swapper/220:20:112
3150670992319,2cyclictest3473300-21apt-get00:25:101
3150670992319,2cyclictest3315737-21/usr/sbin/munin21:50:121
3150670992319,2cyclictest3300384-21apt-get21:35:111
3150670992319,2cyclictest0-21swapper/123:25:111
315067099230,20cyclictest3463106-21apt-get00:15:121
315067099230,20cyclictest0-21swapper/122:00:111
315067099230,20cyclictest0-21swapper/121:40:111
315067099230,20cyclictest0-21swapper/100:00:131
315067099230,19cyclictest0-21swapper/123:45:111
315066699231,2cyclictest3315590-21apt-get21:50:110
315066699231,2cyclictest3176690-21apt-get19:35:110
315066699231,21cyclictest3431360-21ntpq23:40:190
315066699231,20cyclictest3274642-21apt-get21:10:110
315066699231,20cyclictest3269541-21apt-get21:05:110
3150677992219,2cyclictest0-21swapper/321:40:113
3150677992218,2cyclictest64-21kcompactd022:48:483
3150677992218,2cyclictest3417409-21seq23:30:123
3150677992218,2cyclictest3222821-21cron20:20:003
3150677992218,2cyclictest0-21swapper/321:10:103
315067799220,2cyclictest0-21swapper/320:40:093
315067799220,20cyclictest3483190-21turbostat00:35:003
315067799220,20cyclictest3473789-21grep00:25:143
315067799220,20cyclictest0-21swapper/323:10:123
315067799220,20cyclictest0-21swapper/322:30:113
3150675992219,2cyclictest3356119-21apt-get22:30:112
315067599221,2cyclictest3447891-21apt-get00:00:122
315067599221,20cyclictest514-21in:imuxsock00:20:012
315067599221,20cyclictest0-21swapper/222:10:182
315067599220,2cyclictest0-21swapper/221:45:102
315067599220,2cyclictest0-21swapper/220:30:132
315067599220,2cyclictest0-21swapper/200:39:592
315067599220,21cyclictest64-21kcompactd019:35:352
315067599220,20cyclictest3295043-21idleruntime-cro21:30:002
315067599220,20cyclictest0-21swapper/223:45:212
3150670992218,2cyclictest3311006-21grep21:45:141
315067099221,2cyclictest64-21kcompactd019:43:061
315067099220,21cyclictest3344816-21ntpq22:15:191
315067099220,19cyclictest0-21swapper/123:50:101
315067099220,19cyclictest0-21swapper/122:05:111
3150666992219,2cyclictest3213009-21apt-get20:10:110
3150666992218,2cyclictest3223095-21apt-get20:20:110
315066699221,20cyclictest3284776-21apt-get21:20:100
3150677992119,1cyclictest0-21swapper/320:21:173
3150677992119,1cyclictest0-21swapper/319:50:123
3150677992118,2cyclictest3462842-21sh00:15:003
3150677992118,2cyclictest0-21swapper/321:20:103
3150677992118,2cyclictest0-21swapper/300:20:123
3150677992118,1cyclictest0-21swapper/319:20:093
3150677992117,2cyclictest3202435-21apt-get20:00:133
3150677992117,2cyclictest3191637-21gpgv19:50:003
3150677992114,5cyclictest3315318-21idleruntime-cro21:50:003
315067799211,1cyclictest64-21kcompactd021:03:133
315067799210,19cyclictest0-21swapper/321:05:113
3150675992118,2cyclictest0-21swapper/223:30:122
315067599211,19cyclictest0-21swapper/219:58:412
315067599210,20cyclictest64-21kcompactd020:17:312
315067599210,20cyclictest3478110-21idleruntime-cro00:30:002
315067599210,20cyclictest0-21swapper/220:38:292
315067599210,1cyclictest0-21swapper/221:35:002
315067599210,19cyclictest3366000-21apt22:40:002
3150670992119,1cyclictest0-21swapper/123:40:111
3150670992119,1cyclictest0-21swapper/119:57:361
3150670992119,1cyclictest0-21swapper/119:50:121
315067099211,1cyclictest3355866-21munin-run22:30:001
315067099210,3cyclictest3264944-21grep21:00:161
315067099210,2cyclictest3171677-21grep19:30:161
315067099210,20cyclictest64-21kcompactd020:16:591
315067099210,20cyclictest3279476-21awk21:15:001
315067099210,20cyclictest0-21swapper/121:15:201
315067099210,20cyclictest0-21swapper/119:45:111
315067099210,19cyclictest0-21swapper/121:20:101
315067099210,18cyclictest0-21swapper/123:15:131
3150666992119,1cyclictest3295318-21apt-get21:30:110
3150666992118,2cyclictest3325703-21apt-get22:00:100
3150666992118,2cyclictest3192298-21apt-get19:50:120
3150666992118,2cyclictest3171679-21grep19:30:160
3150666992117,3cyclictest0-21swapper/022:25:000
3150666992116,3cyclictest3355863-21turbostat22:30:000
315066699210,20cyclictest0-21swapper/021:56:060
315066699210,20cyclictest0-21swapper/021:25:110
315066699210,19cyclictest0-21swapper/020:30:130
3150677992019,1cyclictest64-21kcompactd020:26:383
3150677992018,1cyclictest0-21swapper/322:07:243
3150677992018,1cyclictest0-21swapper/319:35:003
3150677992018,1cyclictest0-21swapper/319:20:003
3150677992017,2cyclictest3411927-21apt-get23:25:123
3150677992017,2cyclictest0-21swapper/322:20:113
3150677992016,2cyclictest0-21swapper/323:00:133
3150677992016,2cyclictest0-21swapper/321:25:113
315067799200,1cyclictest0-21swapper/323:55:103
315067799200,1cyclictest0-21swapper/320:10:103
315067799200,19cyclictest0-21swapper/320:51:553
3150675992018,1cyclictest0-21swapper/223:50:102
3150675992018,1cyclictest0-21swapper/223:15:122
3150675992018,1cyclictest0-21swapper/222:59:322
3150675992017,2cyclictest0-21swapper/219:50:122
3150675992015,3cyclictest3171191-21apt-get19:30:122
315067599200,19cyclictest64-21kcompactd021:38:222
3150670992019,1cyclictest0-21swapper/120:28:151
3150670992018,1cyclictest3161013-21apt-get19:20:101
3150670992018,1cyclictest0-21swapper/123:00:121
3150670992018,1cyclictest0-21swapper/121:55:111
3150670992017,2cyclictest0-21swapper/123:20:111
3150670992017,1cyclictest3396694-21apt-get23:10:111
315067099200,1cyclictest0-21swapper/122:15:001
315067099200,1cyclictest0-21swapper/120:40:101
315067099200,1cyclictest0-21swapper/120:20:111
315067099200,1cyclictest0-21swapper/100:10:101
315067099200,19cyclictest75-21kswapd021:06:051
315067099200,19cyclictest64-21kcompactd020:58:221
315067099200,19cyclictest0-21swapper/123:08:411
315067099200,19cyclictest0-21swapper/123:08:411
315067099200,18cyclictest3208009-21tr20:05:161
3150666992019,1cyclictest0-21swapper/000:30:110
3150666992018,1cyclictest0-21swapper/023:30:130
3150666992018,1cyclictest0-21swapper/023:20:190
3150666992018,1cyclictest0-21swapper/020:35:110
3150666992016,3cyclictest3401541-21turbostat23:15:000
315066699201,1cyclictest3468704-21tr00:20:150
315066699200,1cyclictest0-21swapper/023:50:110
315066699200,1cyclictest0-21swapper/022:10:100
315066699200,1cyclictest0-21swapper/021:35:110
315066699200,1cyclictest0-21swapper/020:50:120
315066699200,1cyclictest0-21swapper/020:45:130
315066699200,1cyclictest0-21swapper/000:35:110
315066699200,1cyclictest0-21swapper/000:15:130
315066699200,19cyclictest3218555-21sed20:15:160
315066699200,19cyclictest0-21swapper/020:25:110
315066699200,19cyclictest0-21swapper/019:10:100
3150677991916,2cyclictest0-21swapper/320:55:103
3150675991915,2cyclictest0-21swapper/220:05:112
3150675991913,4cyclictest3447623-21cron00:00:002
315067599190,1cyclictest0-21swapper/223:40:112
3150670991918,1cyclictest0-21swapper/122:35:161
3150670991917,1cyclictest0-21swapper/123:30:131
3150670991917,1cyclictest0-21swapper/122:24:361
315067099190,1cyclictest0-21swapper/123:35:091
315067099190,1cyclictest0-21swapper/120:45:131
3150666991917,1cyclictest3191646-21systemctl19:50:000
3150666991917,1cyclictest0-21swapper/023:27:300
3150666991916,2cyclictest3452661-21sh00:05:010
3150666991916,2cyclictest3305452-21apt-get21:40:110
3150666991916,2cyclictest0-21swapper/023:45:120
315066699190,1cyclictest0-21swapper/020:05:110
315066699190,18cyclictest0-21swapper/019:25:120
3150677991816,1cyclictest0-21swapper/323:40:113
3150677991814,2cyclictest0-21swapper/322:40:003
3150675991814,2cyclictest3335582-21awk22:10:002
3150670991815,2cyclictest3483950-21ps00:35:141
3150670991815,2cyclictest3457735-21cron00:10:001
3150666991816,1cyclictest0-21swapper/020:55:110
3150666991816,1cyclictest0-21swapper/019:20:100
3150666991815,2cyclictest0-21swapper/021:15:110
3150677991715,1cyclictest0-21swapper/322:18:093
3150677991715,1cyclictest0-21swapper/320:30:133
3150677991715,1cyclictest0-21swapper/319:36:383
3150677991713,2cyclictest3181767-21apt-get19:40:103
3150675991716,1cyclictest0-21swapper/222:25:202
3150670991715,1cyclictest0-21swapper/120:35:121
3150666991715,1cyclictest3401795-21apt-get23:15:140
3150666991715,1cyclictest0-21swapper/023:06:080
3150666991715,1cyclictest0-21swapper/023:06:070
3150666991715,1cyclictest0-21swapper/022:15:190
3150666991715,1cyclictest0-21swapper/022:05:110
3150666991715,1cyclictest0-21swapper/021:45:100
3150666991715,1cyclictest0-21swapper/019:40:090
3150666991715,1cyclictest0-21swapper/000:10:100
3150666991712,3cyclictest61650irq/133-enp0s29f1:rx-023:00:120
315066699170,17cyclictest0-21swapper/023:55:100
3150677991613,2cyclictest0-21swapper/323:40:003
3150677991612,3cyclictest0-21swapper/323:20:003
3150675991613,2cyclictest3170937-21munin-run19:29:592
3150675991612,3cyclictest3160308-21unixbench_singl19:15:232
3150670991614,1cyclictest0-21swapper/122:40:111
3150666991612,2cyclictest0-21swapper/020:00:180
315067799151,12cyclictest3381214-21awk22:55:003
3150675991513,1cyclictest0-21swapper/220:12:402
3150670991513,1cyclictest3166587-21ps19:25:161
3150670991512,2cyclictest3215409-21runrttasks20:10:161
3150666991513,2cyclictest61650irq/133-enp0s29f1:rx-022:30:170
3150666991513,1cyclictest0-21swapper/019:57:360
3150666991512,2cyclictest61650irq/133-enp0s29f1:rx-000:05:110
315067799148,4cyclictest261-21systemd-journal21:20:003
3150677991412,1cyclictest0-21swapper/322:00:103
3150677991412,1cyclictest0-21swapper/320:46:003
3150677991410,3cyclictest514-21in:imuxsock00:20:013
3150675991412,1cyclictest0-21swapper/220:25:102
3150675991410,3cyclictest3244268-21irqcore20:40:132
3150670991412,1cyclictest0-21swapper/122:30:111
3150670991411,2cyclictest311ktimers/122:55:221
3150670991410,2cyclictest3202917-21ps20:00:171
3150666991411,2cyclictest0-21swapper/023:00:000
3150666991410,2cyclictest0-21swapper/022:55:000
3150677991311,1cyclictest0-21swapper/321:55:103
315067599137,4cyclictest3473255-21cat00:25:012
3150675991311,1cyclictest0-21swapper/200:05:112
3150670991310,2cyclictest3300108-21cron21:35:001
3150670991310,2cyclictest311ktimers/122:45:201
315067099130,5cyclictest3447616-21cron00:00:001
315067599128,3cyclictest3253974-21cpuspeed_turbos20:50:122
315067599127,3cyclictest3269256-21sshd21:04:562
3150666991210,1cyclictest61650irq/133-enp0s29f1:rx-019:15:220
315067099118,2cyclictest311ktimers/100:20:151
315067099117,2cyclictest0-21swapper/122:55:001
315067099107,2cyclictest311ktimers/119:16:561
31506669991,6cyclictest3150667-21latency_hist19:10:010
31506759980,5cyclictest3150746-21latency_hist19:10:002
31506709984,2cyclictest0-21swapper/119:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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