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2026-06-29 - 11:20
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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 Mon Jun 29, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2788310993026,3cyclictest3074154-21turbostat23:50:003
2788303992724,2cyclictest516-21rs:main0
278831099262,22cyclictest2809585-21apt-get19:30:133
278831099262,21cyclictest2814640-21apt-get19:35:133
278831099261,21cyclictest3109825-21apt-get00:25:123
2788310992519,3cyclictest2901516-21apt-get21:00:133
2788310992517,6cyclictest3064781-21irqcore23:40:163
278831099251,21cyclictest3079451-21apt-get23:55:113
278830899251,21cyclictest0-21swapper/221:20:142
2788310992419,3cyclictest2926812-21apt-get21:25:123
278831099241,22cyclictest3023793-21irqcore23:00:183
278831099241,20cyclictest3104771-21apt-get00:20:103
278831099241,20cyclictest2936912-21apt-get21:35:113
278831099240,4cyclictest2972797-21grep22:10:153
278831099240,21cyclictest0-21swapper/321:45:133
278830899242,2cyclictest2855536-21apt-get20:15:132
2788308992420,2cyclictest2860592-21apt-get20:20:122
2788308992418,2cyclictest2976207-21ntpq22:10:202
278830899241,21cyclictest3777322-21systemd-journal20:35:012
278830899241,21cyclictest1-21systemd23:05:012
278830899241,20cyclictest2987840-21apt-get22:25:122
278830899240,2cyclictest2799054-21apt-get19:20:122
278830899240,21cyclictest2982385-21apt-get22:20:122
278830599241,22cyclictest2835813-21sort19:55:161
278830599240,23cyclictest2860320-21idleruntime-cro20:20:011
278830599240,20cyclictest1-21systemd19:20:011
278830399242,2cyclictest2957116-21apt-get21:55:110
2788303992420,2cyclictest2896462-21apt-get20:55:120
278830399241,21cyclictest500-21dbus-daemon23:05:000
2788310992319,2cyclictest0-21swapper/321:30:143
2788310992318,3cyclictest3023032-21cron23:00:003
2788310992318,3cyclictest2982886-21tr22:20:163
278831099231,3cyclictest2906592-21apt-get21:05:123
278831099231,2cyclictest0-21swapper/323:30:133
278831099230,20cyclictest0-21swapper/322:15:133
278831099230,20cyclictest0-21swapper/320:40:113
278831099230,20cyclictest0-21swapper/320:30:123
278831099230,20cyclictest0-21swapper/320:10:133
278831099230,20cyclictest0-21swapper/319:10:163
278831099230,20cyclictest0-21swapper/319:10:163
2788308992318,4cyclictest3043000-21taskset23:15:272
278830899231,2cyclictest2835322-21apt-get19:55:122
278830899231,20cyclictest2931864-21apt-get21:30:132
278830899231,19cyclictest3013152-21apt-get22:50:122
278830899231,19cyclictest0-21swapper/219:25:122
278830899231,19cyclictest0-21swapper/219:15:122
278830899230,20cyclictest0-21swapper/221:05:122
278830899230,20cyclictest0-21swapper/200:00:112
2788305992318,3cyclictest2952552-21cut21:50:161
2788305992316,5cyclictest2885933-21taskset20:45:121
278830599231,2cyclictest2901516-21apt-get21:00:131
278830599231,21cyclictest0-21swapper/120:00:131
278830599231,19cyclictest0-21swapper/123:40:121
278830599230,2cyclictest3099739-21apt-get00:15:131
278830599230,2cyclictest3099739-21apt-get00:15:131
2788303992319,2cyclictest2952061-21apt-get21:50:120
278830399231,2cyclictest3038575-21apt-get23:15:120
278830399231,2cyclictest2865669-21apt-get20:25:120
278830399231,2cyclictest2793571-21apt-get19:15:110
278830399231,20cyclictest2850507-21apt-get20:10:130
2788310992219,1cyclictest0-21swapper/300:00:123
2788310992218,2cyclictest3094663-21apt-get00:10:133
2788310992218,2cyclictest0-21swapper/322:00:143
278831099221,2cyclictest0-21swapper/322:50:123
278831099221,1cyclictest0-21swapper/323:10:113
278831099220,3cyclictest2956840-21cron21:55:013
278831099220,2cyclictest2998454-21ps22:35:183
278831099220,2cyclictest0-21swapper/320:45:123
278831099220,21cyclictest3028915-21irqcore23:05:163
278831099220,20cyclictest0-21swapper/323:20:113
278831099220,20cyclictest0-21swapper/323:15:143
278831099220,20cyclictest0-21swapper/300:05:113
278831099220,19cyclictest2845932-21irqcore20:05:163
278831099220,19cyclictest0-21swapper/320:25:113
278831099220,19cyclictest0-21swapper/320:00:123
2788308992219,2cyclictest0-21swapper/222:45:122
2788308992218,2cyclictest3114580-21cron00:30:002
2788308992218,2cyclictest3064290-21apt-get23:40:112
2788308992218,2cyclictest3002770-21cron22:40:012
278830899221,2cyclictest3779963-21ntpd00:35:142
278830899220,2cyclictest0-21swapper/222:40:112
278830899220,20cyclictest3038294-21cron23:14:592
278830899220,19cyclictest0-21swapper/221:00:132
2788305992219,2cyclictest0-21swapper/119:35:131
2788305992218,3cyclictest3089608-21apt-get00:05:111
2788305992218,3cyclictest2937402-21irqcore21:35:171
2788305992218,3cyclictest2788519-21apt-get19:10:121
2788305992218,3cyclictest2788519-21apt-get19:10:121
2788305992218,2cyclictest3058537-21cron23:35:001
278830599221,20cyclictest0-21swapper/120:55:011
278830599221,19cyclictest0-21swapper/122:45:121
278830599220,2cyclictest3084255-21ls00:00:001
278830599220,21cyclictest64-21kcompactd022:25:241
278830599220,19cyclictest0-21swapper/122:00:141
2788303992218,2cyclictest3059239-21apt-get23:35:150
278830399221,20cyclictest0-21swapper/000:00:110
278830399220,3cyclictest3075371-21sed23:50:190
278830399220,20cyclictest2947010-21apt-get21:45:120
278830399220,1cyclictest0-21swapper/019:55:120
2788310992119,1cyclictest0-21swapper/322:49:043
2788310992119,1cyclictest0-21swapper/321:55:113
2788310992119,1cyclictest0-21swapper/321:40:133
2788310992118,2cyclictest2794066-21ps19:15:153
2788310992118,2cyclictest0-21swapper/322:40:113
2788310992118,2cyclictest0-21swapper/320:15:133
2788310992117,3cyclictest2895898-21apt-config20:55:003
2788310992117,2cyclictest2915512-21ntpq21:10:203
278831099211,1cyclictest0-21swapper/319:20:133
278831099210,2cyclictest1-21systemd00:35:003
2788308992118,2cyclictest2819420-21awk19:40:002
2788308992118,2cyclictest0-21swapper/221:15:142
2788308992118,1cyclictest0-21swapper/221:10:112
2788308992118,1cyclictest0-21swapper/200:15:132
2788308992118,1cyclictest0-21swapper/200:15:132
278830899211,1cyclictest0-21swapper/220:55:122
278830899210,2cyclictest0-21swapper/200:34:582
278830899210,20cyclictest64-21kcompactd022:07:402
278830899210,20cyclictest2890742-21systemd-run20:50:002
278830899210,19cyclictest2834671-21modprobe19:50:262
278830899210,19cyclictest0-21swapper/223:45:112
278830899210,19cyclictest0-21swapper/222:55:102
278830899210,19cyclictest0-21swapper/200:20:162
2788305992119,1cyclictest0-21swapper/123:20:131
2788305992119,1cyclictest0-21swapper/122:10:111
2788305992119,1cyclictest0-21swapper/120:40:101
2788305992119,1cyclictest0-21swapper/119:30:131
2788305992118,2cyclictest2916702-21apt-get21:15:131
2788305992118,2cyclictest0-21swapper/123:25:121
2788305992118,2cyclictest0-21swapper/120:05:121
2788305992118,2cyclictest0-21swapper/100:30:131
2788305992117,3cyclictest3114596-21munin-run00:30:001
2788305992117,3cyclictest0-21swapper/123:15:131
2788305992117,2cyclictest2987442-21latency_hist22:25:011
2788305992116,3cyclictest3085024-21irqcore00:00:161
2788305992116,3cyclictest2946559-21modprobe21:42:551
278830599211,1cyclictest0-21swapper/121:07:281
278830599211,19cyclictest0-21swapper/120:55:121
278830599210,20cyclictest64-21kcompactd000:23:411
278830599210,20cyclictest3027624-21sort23:00:261
278830599210,1cyclictest0-21swapper/121:30:131
2788303992119,1cyclictest0-21swapper/021:30:120
2788303992119,1cyclictest0-21swapper/020:53:290
2788303992118,2cyclictest2810080-21ps19:30:160
278830399211,1cyclictest2825170-21apt-get19:45:120
278830399211,19cyclictest2885929-21apt-get20:45:110
278830399210,2cyclictest2927294-21irqcore21:25:170
278830399210,2cyclictest2906312-21cron21:04:590
278830399210,20cyclictest64-21kcompactd021:37:020
278830399210,20cyclictest0-21swapper/022:35:140
278830399210,20cyclictest0-21swapper/020:15:120
2788310992018,1cyclictest64-21kcompactd019:44:393
2788310992018,1cyclictest0-21swapper/323:35:153
2788310992018,1cyclictest0-21swapper/320:35:213
2788310992018,1cyclictest0-21swapper/319:50:123
2788310992018,1cyclictest0-21swapper/300:35:233
2788310992017,2cyclictest0-21swapper/323:50:133
2788308992018,1cyclictest0-21swapper/223:20:112
2788308992018,1cyclictest0-21swapper/221:50:122
2788308992018,1cyclictest0-21swapper/220:25:122
2788308992017,2cyclictest2885651-21cron20:44:592
2788308992017,2cyclictest2851006-21sed20:10:172
278830899200,1cyclictest0-21swapper/220:50:122
278830899200,1cyclictest0-21swapper/219:40:152
278830899200,19cyclictest0-21swapper/219:30:172
2788305992018,1cyclictest0-21swapper/123:35:141
2788305992018,1cyclictest0-21swapper/122:35:141
2788305992018,1cyclictest0-21swapper/121:55:111
2788305992018,1cyclictest0-21swapper/119:40:111
2788305992018,1cyclictest0-21swapper/100:10:131
2788305992017,2cyclictest0-21swapper/120:25:001
2788305992017,2cyclictest0-21swapper/119:20:131
2788305992017,1cyclictest2967248-21apt-get22:05:141
278830599200,1cyclictest0-21swapper/121:10:121
278830599200,1cyclictest0-21swapper/120:25:111
2788303992018,1cyclictest64-21kcompactd022:32:550
2788303992018,1cyclictest0-21swapper/021:05:130
2788303992018,1cyclictest0-21swapper/019:35:130
2788303992018,1cyclictest0-21swapper/019:25:110
2788303992018,1cyclictest0-21swapper/019:10:120
2788303992018,1cyclictest0-21swapper/019:10:120
2788303992017,2cyclictest3058536-21cron23:34:590
2788303992016,3cyclictest2921480-21cron21:19:590
2788303992016,2cyclictest3003047-21apt-get22:40:120
2788303992016,2cyclictest2911648-21apt-get21:10:110
2788303992015,4cyclictest3114857-21apt-get00:30:130
278830399200,2cyclictest2967737-21tr22:05:180
278830399200,2cyclictest2875567-21munin-run20:35:000
278830399200,1cyclictest0-21swapper/023:55:120
278830399200,1cyclictest0-21swapper/023:20:110
278830399200,1cyclictest0-21swapper/000:35:140
278830399200,19cyclictest2987172-21https22:25:010
278830399200,19cyclictest0-21swapper/022:50:120
278830399200,19cyclictest0-21swapper/022:15:120
278830399200,19cyclictest0-21swapper/022:10:110
278830399200,19cyclictest0-21swapper/019:20:120
278830399200,18cyclictest3777322-21systemd-journal23:15:000
2788310991917,1cyclictest0-21swapper/322:05:133
2788310991917,1cyclictest0-21swapper/321:15:183
2788310991916,2cyclictest2809053-21apt-config19:30:003
2788308991917,1cyclictest0-21swapper/223:33:092
2788308991917,1cyclictest0-21swapper/221:35:132
2788308991917,1cyclictest0-21swapper/219:45:132
2788308991916,2cyclictest0-21swapper/220:02:252
2788308991915,3cyclictest3063296-21chrt23:35:252
278830899190,19cyclictest0-21swapper/222:32:562
278830899190,19cyclictest0-21swapper/220:08:512
278830899190,18cyclictest64-21kcompactd023:58:572
2788305991916,2cyclictest0-21swapper/122:18:251
2788305991916,1cyclictest0-21swapper/119:45:131
2788303991917,1cyclictest0-21swapper/023:40:120
2788303991916,2cyclictest3008122-21apt-get22:45:110
2788303991916,1cyclictest2850259-21basename20:10:010
2788303991916,1cyclictest0-21swapper/020:20:130
278830399190,1cyclictest64-21kcompactd020:01:520
2788310991814,3cyclictest3049046-21sed23:25:143
2788310991814,2cyclictest0-21swapper/321:20:133
2788308991816,1cyclictest0-21swapper/222:15:132
2788308991816,1cyclictest0-21swapper/220:35:122
2788308991815,1cyclictest2962171-21apt-get22:00:132
2788308991815,1cyclictest0-21swapper/221:45:132
2788305991816,1cyclictest1-21systemd23:50:001
2788305991816,1cyclictest0-21swapper/123:05:121
2788303991814,3cyclictest2879718-21ntp_kernel_pll_20:35:220
2788308991715,1cyclictest0-21swapper/221:55:122
2788305991715,1cyclictest2830247-21apt-get19:50:121
2788305991714,2cyclictest2947014-21taskset21:45:141
2788305991714,2cyclictest2875-21cron20:35:011
2788305991713,2cyclictest2876314-21irqcore20:35:151
278830599170,15cyclictest3079202-21idleruntime-cro23:55:001
2788303991715,1cyclictest2921758-21apt-get21:20:140
2788303991714,2cyclictest61650irq/133-enp0s29f1:rx-022:00:130
2788303991714,2cyclictest3114582-21cron00:29:590
2788303991714,1cyclictest0-21swapper/000:15:130
2788303991714,1cyclictest0-21swapper/000:15:120
278830399170,16cyclictest0-21swapper/019:50:260
2788310991612,2cyclictest0-21swapper/320:20:173
2788310991612,2cyclictest0-21swapper/300:20:003
2788310991612,2cyclictest0-21swapper/300:20:003
2788308991615,1cyclictest0-21swapper/223:29:542
2788305991614,1cyclictest0-21swapper/119:25:121
2788305991612,2cyclictest0-21swapper/122:50:161
2788303991614,1cyclictest0-21swapper/000:20:110
2788303991613,3cyclictest61650irq/133-enp0s29f1:rx-000:05:240
2788303991613,2cyclictest61650irq/133-enp0s29f1:rx-023:25:170
2788303991613,2cyclictest2942467-21irqcore21:40:170
278831099158,4cyclictest3777322-21systemd-journal19:50:013
2788308991511,2cyclictest509-21systemd-logind00:10:002
278830599158,5cyclictest2929032-21sort21:25:181
2788305991512,1cyclictest3018207-21apt-get22:55:101
2788303991512,2cyclictest2819691-21apt-get19:40:110
278831099149,3cyclictest0-21swapper/320:59:593
2788305991412,1cyclictest0-21swapper/120:10:131
2788305991410,3cyclictest3119975-21apt-get00:35:141
2788303991410,2cyclictest3018702-21ps22:55:150
278830899139,3cyclictest3074726-21head23:50:172
2788303991312,1cyclictest61650irq/133-enp0s29f1:rx-000:13:250
2788303991310,2cyclictest61650irq/133-enp0s29f1:rx-023:49:590
278830899129,2cyclictest3094730-21cpuspeed_turbos00:10:142
2788308991211,1cyclictest0-21swapper/219:14:012
2788308991211,1cyclictest0-21swapper/219:14:012
278830599128,2cyclictest0-21swapper/122:40:171
278830399129,2cyclictest2885207-21unixbench_multi20:40:230
278830399126,4cyclictest3777322-21systemd-journal23:10:000
278830399120,10cyclictest2788439-21cat19:10:000
278830899118,2cyclictest2942607-21irqcore21:40:172
278830599119,1cyclictest0-21swapper/122:30:181
278830599118,2cyclictest3033683-21cpuspeed_turbos23:10:131
278830899107,2cyclictest401ktimers/223:05:112
27883109983,4cyclictest2788335-21cat19:10:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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