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2026-09-14 - 04:52
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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 highest latencies:
System rackeslot4.osadl.org (updated Mon Sep 14, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
324990799312,21cyclictest3542165-21apt-get23:55:093
3249907992919,1cyclictest0-21swapper/300:10:003
3249907992818,2cyclictest3561380-21ntpq00:10:253
324990799271,20cyclictest0-21swapper/300:15:133
324990799271,19cyclictest0-21swapper/320:10:133
324990799270,20cyclictest0-21swapper/319:35:113
324989199272,20cyclictest3424438-21apt-get22:00:130
324989199271,22cyclictest3399058-21apt-get21:35:120
3249907992519,1cyclictest0-21swapper/321:20:133
3249907992517,2cyclictest0-21swapper/320:35:103
324990799251,21cyclictest3480752-21apt-get22:55:123
324989999250,4cyclictest3332693-21taskset20:30:132
324989599251,20cyclictest3363083-21apt-get21:00:121
3249891992520,3cyclictest3547296-21apt-get00:00:180
3249891992520,3cyclictest3378306-21apt-get21:15:130
324989199251,22cyclictest3557447-21apt-get00:10:160
324989199251,22cyclictest3281835-21apt-get19:40:130
324989199251,21cyclictest3302164-21apt-get20:00:150
3249907992418,1cyclictest0-21swapper/320:45:143
324990799241,20cyclictest0-21swapper/321:05:113
324990799241,19cyclictest3404130-21apt-get21:40:123
324990799241,19cyclictest0-21swapper/300:00:173
324990799240,20cyclictest0-21swapper/320:40:123
324990799240,20cyclictest0-21swapper/320:40:113
324989999242,2cyclictest3297066-21apt-get19:55:112
3249899992420,2cyclictest3450274-21apt-get22:25:122
3249899992420,2cyclictest3291974-21apt-get19:50:122
3249899992415,7cyclictest3562291-21awk00:15:002
324989999241,3cyclictest3582869-21apt-get00:35:142
324989999241,21cyclictest3571574-21ntpq00:20:202
324989999240,4cyclictest3430027-21cut22:05:182
324989999240,22cyclictest3552863-21grep00:05:172
324989599242,20cyclictest3577795-21apt-get00:30:141
3249895992420,2cyclictest3322547-21apt-get20:20:131
324989599241,3cyclictest3332690-21apt-get20:30:141
324989599241,22cyclictest3382238-21ntpq21:15:221
324989599241,21cyclictest3259420-21ntpq19:15:201
324989199242,2cyclictest3307256-21apt-get20:05:130
3249891992420,2cyclictest3537071-21apt-get23:50:110
3249891992419,4cyclictest3480475-21cron22:55:000
3249891992419,3cyclictest3317173-21cron20:14:590
3249891992419,3cyclictest3271594-21apt-get19:30:140
324989199241,3cyclictest3516743-21apt-get23:30:120
324989199241,3cyclictest3261000-21apt-get19:20:030
324989199241,21cyclictest3429534-21apt-get22:05:150
324989199240,23cyclictest3281574-21munin-run19:40:000
324989199240,20cyclictest0-21swapper/023:00:130
3249907992318,1cyclictest64-21kcompactd023:15:033
3249907992318,1cyclictest64-21kcompactd023:15:033
324990799231,20cyclictest3327617-21apt-get20:25:113
324990799231,20cyclictest0-21swapper/323:40:003
324990799230,3cyclictest3496351-21apt-get23:10:023
324990799230,21cyclictest3409685-21ps21:45:163
324990799230,21cyclictest3260371-21https19:20:013
324990799230,20cyclictest0-21swapper/320:50:133
324990799230,20cyclictest0-21swapper/319:45:133
324990799230,19cyclictest0-21swapper/321:30:133
324989999231,2cyclictest3455351-21apt-get22:30:162
324989999231,2cyclictest3328107-21grep20:25:152
324989999231,20cyclictest0-21swapper/223:10:002
324989999231,20cyclictest0-21swapper/223:10:002
324989999230,21cyclictest3465964-21grep22:40:192
324989999230,21cyclictest3254655-21find19:10:262
3249895992320,1cyclictest3521834-21apt-get23:35:121
324989599231,20cyclictest3511627-21apt-get23:25:131
324989599231,20cyclictest3496387-21apt-get23:10:121
324989599231,20cyclictest3281835-21apt-get19:40:131
3249891992319,2cyclictest3506532-21apt-get23:20:110
3249891992319,2cyclictest3471046-21tr22:45:160
3249891992318,3cyclictest3434622-21apt-get22:10:100
3249891992318,3cyclictest3327340-21cron20:25:000
324989199231,2cyclictest0-21swapper/000:35:140
324989199231,20cyclictest3444508-21munin-run22:20:000
324989199231,20cyclictest3373234-21apt-get21:10:130
324989199231,20cyclictest3250123-21sort19:10:010
324989199230,21cyclictest3481238-21ps22:55:160
3249907992219,2cyclictest3367031-21ntpq21:00:223
3249907992219,2cyclictest0-21swapper/322:20:123
3249907992218,3cyclictest516-21rs:main3
3249907992218,2cyclictest3373238-21seq21:10:133
3249907992217,3cyclictest3777322-21systemd-journal00:35:003
3249907992217,3cyclictest3250133-21apt-config19:10:003
324990799221,2cyclictest3494843-21ntpq23:05:223
324990799221,2cyclictest3494843-21ntpq23:05:213
324990799221,20cyclictest0-21swapper/319:30:143
324990799221,1cyclictest0-21swapper/320:55:123
324990799220,2cyclictest3271213-21awk19:30:023
324990799220,19cyclictest0-21swapper/322:30:173
324990799220,19cyclictest0-21swapper/321:15:133
324989999222,12cyclictest3260365-21basename19:20:012
3249899992219,2cyclictest3352991-21apt-get20:50:132
3249899992218,2cyclictest3485825-21apt-get23:00:132
324989999221,20cyclictest3501458-21apt-get23:15:102
324989999221,20cyclictest3501458-21apt-get23:15:102
324989999220,2cyclictest3280643-21ntpq19:35:192
324989999220,2cyclictest0-21swapper/223:25:132
324989999220,20cyclictest3541891-21cron23:55:002
324989999220,19cyclictest0-21swapper/222:45:122
3249895992218,3cyclictest3495787-21apt-key23:10:001
3249895992218,3cyclictest3495787-21apt-key23:10:001
3249895992218,2cyclictest3465474-21apt-get22:40:141
3249895992217,3cyclictest3537071-21apt-get23:50:101
3249895992216,4cyclictest3297550-21irqcore19:55:151
324989599220,3cyclictest3317943-21tr20:15:181
324989599220,2cyclictest3373735-21sed21:10:171
324989599220,2cyclictest3346777-21chrt20:40:211
324989599220,2cyclictest3346777-21chrt20:40:201
324989599220,19cyclictest0-21swapper/122:10:111
324989599220,19cyclictest0-21swapper/119:25:101
3249891992219,2cyclictest3291974-21apt-get19:50:130
3249891992219,2cyclictest0-21swapper/023:25:130
3249891992218,2cyclictest3573209-21irqcore00:25:150
3249891992218,2cyclictest3542165-21apt-get23:55:100
3249891992216,4cyclictest3388223-21ls21:25:000
324989199221,2cyclictest3552360-21apt-get00:05:120
324989199221,20cyclictest3521834-21apt-get23:35:110
324989199221,20cyclictest0-21swapper/021:45:120
324989199221,20cyclictest0-21swapper/021:30:130
324989199221,20cyclictest0-21swapper/020:30:130
324989199220,2cyclictest0-21swapper/021:50:140
324989199220,21cyclictest658058-21kworker/u8:3+ext4-rsv-conversion19:30:010
324989199220,20cyclictest3291699-21idleruntime-cro19:50:000
3249907992119,1cyclictest0-21swapper/320:05:123
3249907992119,1cyclictest0-21swapper/319:55:103
324990799211,2cyclictest0-21swapper/320:00:143
324990799210,2cyclictest64-21kcompactd022:08:223
324990799210,20cyclictest0-21swapper/322:25:133
324990799210,1cyclictest0-21swapper/320:32:103
3249899992119,1cyclictest0-21swapper/222:35:132
3249899992119,1cyclictest0-21swapper/219:45:132
3249899992117,2cyclictest3496392-21taskset23:10:122
3249899992117,2cyclictest0-21swapper/222:10:112
324989999211,1cyclictest3475656-21apt-get22:50:102
324989999211,1cyclictest0-21swapper/221:15:132
324989999211,1cyclictest0-21swapper/221:00:222
324989999211,19cyclictest0-21swapper/200:30:122
324989999210,2cyclictest3398786-21ls21:35:012
324989999210,2cyclictest0-21swapper/219:40:132
324989999210,20cyclictest0-21swapper/222:00:132
324989999210,20cyclictest0-21swapper/220:55:132
324989999210,20cyclictest0-21swapper/220:45:222
324989999210,1cyclictest3517228-21ps23:30:162
324989999210,1cyclictest0-21swapper/219:30:132
324989999210,1cyclictest0-21swapper/219:22:482
324989999210,19cyclictest3414777-21cut21:50:172
3249895992119,1cyclictest0-21swapper/119:38:231
3249895992118,2cyclictest0-21swapper/119:50:131
3249895992117,2cyclictest3429534-21apt-get22:05:151
324989599211,1cyclictest3552360-21apt-get00:05:131
324989599210,2cyclictest3517240-21ps23:30:161
324989599210,21cyclictest0-21swapper/122:58:231
324989599210,20cyclictest3476153-21ps22:50:141
324989599210,20cyclictest3393734-21munin-run21:30:011
324989599210,20cyclictest0-21swapper/122:25:131
324989599210,1cyclictest0-21swapper/122:35:131
324989599210,19cyclictest0-21swapper/121:50:141
3249891992119,1cyclictest64-21kcompactd019:58:490
3249891992119,1cyclictest0-21swapper/023:09:400
3249891992119,1cyclictest0-21swapper/023:09:400
3249891992119,1cyclictest0-21swapper/021:05:100
3249891992118,2cyclictest3358037-21apt-get20:55:120
3249891992118,2cyclictest0-21swapper/022:42:150
3249891992118,2cyclictest0-21swapper/021:40:120
3249891992116,3cyclictest3444768-21apt-get22:20:120
3249891992114,5cyclictest500-21dbus-daemon20:20:000
324989199211,19cyclictest0-21swapper/020:35:110
324989199210,2cyclictest3454184-21ntpq22:25:210
324989199210,20cyclictest0-21swapper/023:15:110
324989199210,20cyclictest0-21swapper/023:15:110
324989199210,20cyclictest0-21swapper/020:40:120
324989199210,20cyclictest0-21swapper/020:40:110
324989199210,20cyclictest0-21swapper/020:28:230
324989199210,20cyclictest0-21swapper/019:15:120
3249907992018,2cyclictest64-21kcompactd023:25:163
3249907992018,1cyclictest0-21swapper/323:45:123
3249907992018,1cyclictest0-21swapper/323:30:123
3249907992018,1cyclictest0-21swapper/322:16:273
324990799200,1cyclictest64-21kcompactd019:40:013
324990799200,1cyclictest0-21swapper/323:00:183
324990799200,1cyclictest0-21swapper/322:00:123
324990799200,1cyclictest0-21swapper/319:50:453
324990799200,19cyclictest0-21swapper/323:50:113
3249899992018,1cyclictest64-21kcompactd023:37:382
3249899992018,1cyclictest3576615-21ntpq00:25:192
3249899992018,1cyclictest0-21swapper/223:25:002
3249899992018,1cyclictest0-21swapper/222:15:212
3249899992018,1cyclictest0-21swapper/220:05:122
324989999200,1cyclictest64-21kcompactd020:12:152
324989999200,1cyclictest0-21swapper/222:21:162
324989999200,19cyclictest64-21kcompactd021:56:012
324989999200,19cyclictest64-21kcompactd021:38:482
324989999200,19cyclictest0-21swapper/220:40:142
324989999200,19cyclictest0-21swapper/220:40:132
3249895992018,1cyclictest0-21swapper/122:30:171
3249895992018,1cyclictest0-21swapper/121:35:111
3249895992018,1cyclictest0-21swapper/100:00:171
3249895992016,3cyclictest3577545-21turbostat00:30:001
3249895992016,2cyclictest3526929-21apt-get23:40:121
324989599200,1cyclictest3312349-21apt-get20:10:131
324989599200,1cyclictest0-21swapper/123:00:131
324989599200,1cyclictest0-21swapper/121:20:141
324989599200,1cyclictest0-21swapper/120:55:131
324989599200,1cyclictest0-21swapper/120:50:131
324989599200,1cyclictest0-21swapper/119:45:121
324989599200,19cyclictest0-21swapper/122:00:131
324989599200,19cyclictest0-21swapper/119:10:021
3249891992018,1cyclictest0-21swapper/020:45:130
3249891992018,1cyclictest0-21swapper/000:20:110
3249891992017,2cyclictest0-21swapper/021:25:120
3249891992016,2cyclictest3460395-21apt-get22:35:130
324989199200,1cyclictest64-21kcompactd023:44:370
324989199200,19cyclictest0-21swapper/019:10:260
3249907991918,1cyclictest0-21swapper/300:25:163
3249907991917,1cyclictest0-21swapper/322:45:003
3249907991916,1cyclictest0-21swapper/321:25:123
3249907991915,2cyclictest0-21swapper/322:35:173
324990799190,19cyclictest0-21swapper/321:35:193
3249899991917,1cyclictest0-21swapper/223:45:122
3249899991917,1cyclictest0-21swapper/223:40:122
3249899991917,1cyclictest0-21swapper/220:00:142
3249899991915,3cyclictest3271048-21apt-key19:30:012
3249895991918,1cyclictest0-21swapper/100:36:461
3249895991917,1cyclictest0-21swapper/120:25:101
3249895991917,1cyclictest0-21swapper/100:15:221
3249895991916,2cyclictest3557451-21taskset00:10:161
324989599190,1cyclictest0-21swapper/123:20:121
324989599190,1cyclictest0-21swapper/120:35:111
324989599190,19cyclictest0-21swapper/120:00:151
3249891991917,1cyclictest0-21swapper/000:15:180
3249891991916,2cyclictest0-21swapper/022:30:170
3249907991814,2cyclictest0-21swapper/322:10:113
3249899991816,1cyclictest0-21swapper/221:45:492
3249899991816,1cyclictest0-21swapper/221:25:122
3249899991815,2cyclictest3317941-21irqcore20:15:182
3249895991816,1cyclictest64-21kcompactd020:06:221
3249895991816,1cyclictest0-21swapper/121:45:131
3249895991816,1cyclictest0-21swapper/121:07:381
3249895991815,2cyclictest3350147-21kthreadcore20:45:191
3249891991816,1cyclictest0-21swapper/023:45:130
3249891991815,2cyclictest0-21swapper/021:00:120
3249907991716,1cyclictest0-21swapper/322:54:043
3249907991715,1cyclictest0-21swapper/321:50:133
3249899991715,1cyclictest0-21swapper/221:40:132
3249899991714,2cyclictest3337826-21cpuspeed_turbos20:35:122
3249899991713,3cyclictest62650irq/138-enp0s29f1:tx-221:25:002
3249895991715,1cyclictest0-21swapper/121:30:131
3249891991715,1cyclictest0-21swapper/023:10:110
3249891991714,2cyclictest61650irq/133-enp0s29f1:rx-000:30:190
3249891991714,2cyclictest3424175-21munin-run22:00:010
3249907991615,1cyclictest64-21kcompactd022:46:333
3249907991614,1cyclictest3317452-21apt-get20:15:143
3249907991614,1cyclictest0-21swapper/300:20:113
3249899991613,2cyclictest0-21swapper/200:00:172
3249899991612,2cyclictest3777322-21systemd-journal21:09:592
3249899991610,4cyclictest3777322-21systemd-journal00:17:002
3249895991614,1cyclictest64-21kcompactd019:34:061
3249895991614,1cyclictest64-21kcompactd000:21:101
3249891991612,3cyclictest61650irq/133-enp0s29f1:rx-020:50:260
3249907991513,1cyclictest0-21swapper/323:20:123
3249907991513,1cyclictest0-21swapper/319:10:153
3249907991513,1cyclictest0-21swapper/300:35:133
3249895991513,1cyclictest0-21swapper/122:45:121
3249895991512,2cyclictest3404329-21fschecks_count21:40:141
3249895991511,2cyclictest3261037-21apt-get19:20:121
3249907991413,1cyclictest0-21swapper/323:43:323
3249899991412,1cyclictest0-21swapper/223:58:032
3249899991411,2cyclictest3249956-21apt-key19:10:002
3249899991410,2cyclictest0-21swapper/222:55:192
3249895991413,1cyclictest0-21swapper/123:45:211
3249895991411,2cyclictest0-21swapper/122:25:001
324989999137,4cyclictest3377653-21sshd21:10:272
3249895991311,1cyclictest0-21swapper/122:17:321
324990799126,4cyclictest3423942-21sshd21:57:273
3249907991210,1cyclictest0-21swapper/319:20:123
324989599129,1cyclictest0-21swapper/123:55:101
324989599110,3cyclictest500-21dbus-daemon22:00:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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