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2025-12-25 - 09:07
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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 all highest latencies:
System rackeslot4.osadl.org (updated Thu Dec 25, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3311182993429,4cyclictest3418078-21fwupd20:53:010
331118299320,28cyclictest0-21swapper/020:45:120
331118299310,30cyclictest3612627-21cron00:05:000
331118299301,27cyclictest3397560-21sh20:35:000
3311182992919,8cyclictest702-21runrttasks19:50:110
331118299291,25cyclictest3628535-21apt-get00:20:090
331118299291,24cyclictest3526743-21apt-get22:40:130
3311182992912,15cyclictest3429335-21awk21:04:590
331118299290,25cyclictest0-21swapper/022:10:110
331119299280,24cyclictest3311880-21irqcore19:10:153
331118799282,22cyclictest3618420-21apt-get00:10:132
331118299281,24cyclictest3326584-21apt-get19:25:100
331118299281,24cyclictest0-21swapper/023:15:120
331118299280,9cyclictest3516327-21cron22:30:010
331119299271,21cyclictest3496351-21apt-get22:10:103
331118299272,22cyclictest3455336-21apt-get21:30:120
331118299271,6cyclictest3439680-21apt-get21:15:120
331118299271,13cyclictest3542414-21cat22:55:170
331118299271,13cyclictest0-21swapper/023:35:160
331118299270,26cyclictest3367205-21munin-run20:05:000
331118299270,26cyclictest0-21swapper/021:20:190
331118299270,26cyclictest0-21swapper/019:40:000
331118299270,24cyclictest0-21swapper/023:50:120
331118299270,10cyclictest3603218-21ps23:55:170
331119299262,21cyclictest3480724-21apt-get21:55:123
331119299262,21cyclictest3480724-21apt-get21:55:113
331118799261,21cyclictest3557250-21apt-get23:10:132
331118799261,21cyclictest3429585-21apt-get21:05:122
331118299265,11cyclictest3537235-21gltestperf22:50:150
3311182992622,2cyclictest0-21swapper/000:10:170
3311182992618,7cyclictest3532317-21ps22:45:160
331118299261,24cyclictest0-21swapper/022:20:200
331118299261,21cyclictest0-21swapper/022:05:110
331118299261,13cyclictest3576139-21missed_timers23:25:220
331118299261,13cyclictest3469370-21ntpq21:40:220
331118299260,12cyclictest3555858-21tr23:05:180
331119299251,22cyclictest3567312-21apt-get23:20:123
331119299251,22cyclictest3387456-21idleruntime-cro20:25:013
331119299251,21cyclictest0-21swapper/300:25:123
331119299251,20cyclictest3491306-21apt-get22:05:123
331119299251,20cyclictest3407958-21apt-get20:45:133
331119299251,20cyclictest0-21swapper/321:30:123
331119299250,21cyclictest0-21swapper/322:55:133
3311187992520,3cyclictest3623480-21apt-get00:15:112
3311187992520,3cyclictest3577445-21apt-get23:30:132
331118799250,21cyclictest0-21swapper/200:00:152
331118299252,21cyclictest3418979-21apt-get20:55:130
331118299250,24cyclictest0-21swapper/023:34:590
331118299250,13cyclictest3617362-21awk00:05:220
331118299250,13cyclictest3551226-21sed23:00:240
331118299250,13cyclictest3485977-21latency_hist22:00:000
331118299250,13cyclictest3477402-21kthreadcore21:50:170
331118299250,13cyclictest3350515-21cut19:45:180
331118299250,12cyclictest3648421-21cat00:35:220
331118299250,12cyclictest3430511-21grep21:05:170
331118299250,12cyclictest3402645-21/usr/sbin/munin20:40:000
3311192992419,3cyclictest3589685-21cat23:40:183
331119299241,3cyclictest3356214-21ntpq19:50:203
331119299241,20cyclictest3531833-21apt-get22:45:123
331119299241,19cyclictest3402881-21apt-get20:40:103
331119299240,4cyclictest3537382-21irqcore22:50:183
331119299240,20cyclictest0-21swapper/319:40:133
331118799245,10cyclictest3556992-21munin-run23:10:012
3311187992419,3cyclictest3587596-21apt-get23:40:132
331118799241,20cyclictest3597682-21apt-get23:50:122
331118799241,20cyclictest3377569-21apt-get20:15:122
331118799241,20cyclictest3372515-21apt-get20:10:122
331118799240,20cyclictest0-21swapper/222:05:122
331118499242,20cyclictest3541953-21apt-get22:55:131
331118499242,20cyclictest3387727-21apt-get20:25:131
331118499241,2cyclictest3638639-21apt-get00:30:131
331118499241,21cyclictest3413438-21apt-get20:50:131
331118299242,11cyclictest3624426-21kthreadcore00:15:170
3311182992418,4cyclictest3382648-21apt-get20:20:120
331118299241,2cyclictest3321533-21apt-get19:20:120
331118299241,20cyclictest3521697-21apt-get22:35:120
331118299241,20cyclictest0-21swapper/020:05:140
331118299241,19cyclictest0-21swapper/020:25:130
331118299241,11cyclictest3557733-21ps23:10:170
331118299240,15cyclictest1-21systemd21:40:000
331118299240,13cyclictest3643133-21modprobe00:31:180
331118299240,13cyclictest3567569-21perl23:20:130
331118299240,13cyclictest3376257-21grep20:10:190
331118299240,12cyclictest3521537-21sed22:35:000
331118299240,12cyclictest3434719-21expr21:10:140
331118299240,11cyclictest3589376-21cut23:40:180
331118299240,11cyclictest3403349-21if_err_enp0s30f20:40:140
3311192992319,2cyclictest3357357-21apt-get19:55:133
331119299231,2cyclictest3552150-21apt-get23:05:123
331119299231,2cyclictest0-21swapper/322:35:133
331119299231,2cyclictest0-21swapper/320:55:113
331119299231,20cyclictest3617319-21ntpq00:05:233
331119299231,20cyclictest0-21swapper/321:00:123
331119299231,20cyclictest0-21swapper/319:15:123
331119299230,20cyclictest3506469-21apt-get22:20:133
331119299230,20cyclictest0-21swapper/323:00:123
331119299230,20cyclictest0-21swapper/320:15:123
3311187992319,2cyclictest3644135-21apt-get00:35:092
3311187992319,2cyclictest3582521-21apt-get23:35:132
3311187992318,3cyclictest3603230-21ps23:55:172
331118799231,2cyclictest3392803-21apt-get20:30:132
331118799231,21cyclictest3474460-21ntpq21:45:192
331118799231,20cyclictest3633606-21apt-get00:25:132
331118799230,20cyclictest0-21swapper/221:15:122
331118799230,20cyclictest0-21swapper/200:30:122
331118799230,19cyclictest0-21swapper/221:20:112
331118499231,21cyclictest3547050-21apt-get23:00:121
331118499230,22cyclictest3460430-21taskset21:35:121
331118299234,10cyclictest3481668-21kthreadcore21:55:170
331118299234,10cyclictest3481668-21kthreadcore21:55:170
331118299230,12cyclictest3506310-21cat22:20:000
331118299230,12cyclictest3454966-21chrt21:28:540
331118299230,12cyclictest3359293-21grep19:55:190
331118299230,12cyclictest3331819-21grep19:30:120
331118299230,12cyclictest3316946-21cat19:15:150
331118299230,12cyclictest3311302-21sed19:10:000
331118299230,11cyclictest3593053-21cat23:45:150
331118299230,11cyclictest3471103-21sed21:45:150
331118299230,10cyclictest3346081-21collect219:40:210
3311192992218,2cyclictest3401810-21/usr/sbin/munin20:35:233
3311192992218,2cyclictest0-21swapper/322:45:003
3311192992218,2cyclictest0-21swapper/321:10:203
331119299221,2cyclictest261-21systemd-journal00:20:183
331119299221,2cyclictest0-21swapper/323:50:173
331119299220,2cyclictest0-21swapper/323:10:123
331119299220,21cyclictest0-21swapper/322:25:103
3311187992219,2cyclictest0-21swapper/220:05:142
3311187992218,2cyclictest3439403-21cron21:14:592
3311187992218,2cyclictest3342172-21apt-get19:40:132
3311187992218,2cyclictest3326309-21cron19:24:592
3311187992218,2cyclictest0-21swapper/220:50:132
331118799221,1cyclictest0-21swapper/219:25:112
331118799220,2cyclictest0-21swapper/200:20:102
331118799220,20cyclictest0-21swapper/221:55:132
331118799220,20cyclictest0-21swapper/221:55:122
331118799220,19cyclictest0-21swapper/223:15:122
331118799220,19cyclictest0-21swapper/219:30:112
331118499229,3cyclictest3471015-21grep21:45:151
3311184992220,1cyclictest0-21swapper/122:53:061
3311184992219,2cyclictest3620641-21ps00:10:191
3311184992219,2cyclictest3434634-21apt-get21:10:131
3311184992219,2cyclictest3367464-21apt-get20:05:151
3311184992218,2cyclictest3516610-21apt-get22:30:141
3311184992217,3cyclictest0-21swapper/122:40:011
331118499221,20cyclictest3572370-21apt-get23:25:141
331118499220,2cyclictest3572090-21cron23:25:001
331118499220,21cyclictest3625699-21sed00:15:171
331118499220,21cyclictest3583009-21grep23:35:161
331118299220,16cyclictest3636821-21grep00:25:180
3311192992119,1cyclictest64-21kcompactd022:01:053
3311192992118,2cyclictest3377311-21munin-run20:15:003
3311192992118,2cyclictest0-21swapper/319:45:123
3311192992118,1cyclictest0-21swapper/323:55:133
3311192992117,2cyclictest3444484-21turbostat.cron21:19:593
331119299210,2cyclictest0-21swapper/300:10:133
331119299210,20cyclictest516-21rs:main3
331119299210,20cyclictest3479745-21/usr/sbin/munin21:50:233
331119299210,20cyclictest0-21swapper/323:35:133
331119299210,1cyclictest0-21swapper/300:15:113
331119299210,19cyclictest3418078-21fwupd20:53:043
331119299210,19cyclictest0-21swapper/321:45:113
331119299210,19cyclictest0-21swapper/321:20:103
331119299210,18cyclictest0-21swapper/320:05:143
3311187992119,1cyclictest0-21swapper/221:25:102
3311187992119,1cyclictest0-21swapper/219:15:112
3311187992118,2cyclictest3517109-21ps22:30:182
3311187992118,2cyclictest3424517-21apt-get21:00:122
3311187992118,2cyclictest3388213-21grep20:25:172
3311187992117,2cyclictest3572370-21apt-get23:25:152
3311187992116,4cyclictest3597410-21sh23:49:592
331118799211,1cyclictest0-21swapper/220:55:212
331118799211,1cyclictest0-21swapper/220:20:112
331118799210,2cyclictest0-21swapper/219:55:132
331118799210,20cyclictest0-21swapper/222:15:202
331118799210,20cyclictest0-21swapper/222:00:132
331118799210,20cyclictest0-21swapper/200:05:122
3311184992119,1cyclictest3316475-21apt-get19:15:111
3311184992118,2cyclictest3429334-21turbostat21:04:591
331118499211,1cyclictest0-21swapper/120:50:001
331118499210,21cyclictest64-21kcompactd022:24:121
331118499210,20cyclictest0-21swapper/121:30:121
331118499210,20cyclictest0-21swapper/119:35:111
331118499210,20cyclictest0-21swapper/100:00:151
331118499210,1cyclictest0-21swapper/119:45:121
331118499210,19cyclictest3352277-21apt-get19:50:111
331118499210,19cyclictest0-21swapper/100:20:101
331118299210,11cyclictest3311556-21df19:10:120
331118299210,10cyclictest3379642-21grep20:15:170
3311192992018,1cyclictest0-21swapper/322:30:143
3311192992018,1cyclictest0-21swapper/321:05:123
3311192992017,2cyclictest0-21swapper/321:40:123
3311192992017,1cyclictest0-21swapper/320:25:133
331119299200,1cyclictest0-21swapper/321:35:123
331119299200,19cyclictest3341526-21apt-config19:40:003
331119299200,19cyclictest3335669-21ps19:30:213
3311187992016,2cyclictest0-21swapper/220:35:122
331118799200,1cyclictest0-21swapper/221:40:142
331118499206,4cyclictest3311177-21cyclictest21:25:221
3311184992018,1cyclictest0-21swapper/122:10:111
3311184992018,1cyclictest0-21swapper/120:30:131
3311184992017,2cyclictest0-21swapper/120:40:181
3311184992017,2cyclictest0-21swapper/120:15:161
331118499200,2cyclictest516-21rs:main1
331118499200,1cyclictest0-21swapper/123:30:121
331118499200,1cyclictest0-21swapper/120:55:111
331118499200,19cyclictest3501418-21taskset22:15:101
331118499200,19cyclictest0-21swapper/121:50:121
331118499200,19cyclictest0-21swapper/121:40:131
331118499200,19cyclictest0-21swapper/120:35:201
331118499200,19cyclictest0-21swapper/119:40:161
331118499200,19cyclictest0-21swapper/119:20:121
331118499200,18cyclictest3613816-21ps00:05:161
3311192991917,2cyclictest0-21swapper/321:25:023
3311192991915,2cyclictest3592626-21apt-get23:45:113
3311192991915,2cyclictest3501420-21apt-get22:15:113
3311187991917,1cyclictest0-21swapper/222:36:022
3311187991916,2cyclictest0-21swapper/220:45:002
3311187991916,2cyclictest0-21swapper/220:00:142
3311187991916,1cyclictest0-21swapper/222:20:122
3311184991918,1cyclictest0-21swapper/123:45:111
3311184991918,1cyclictest0-21swapper/123:15:121
3311184991917,1cyclictest3511535-21apt-get22:25:101
3311184991917,1cyclictest0-21swapper/123:05:111
3311184991916,2cyclictest3602481-21munin-run23:54:591
3311184991915,3cyclictest3495222-21ntp_kernel_pll_22:05:211
331118499190,1cyclictest0-21swapper/100:35:091
3311192991815,2cyclictest0-21swapper/300:35:103
3311192991814,2cyclictest3562303-21apt-get23:15:133
3311187991816,1cyclictest0-21swapper/222:25:102
3311187991814,2cyclictest3341490-21munin-run19:39:592
3311187991813,3cyclictest3350463-21kthreadcore19:45:182
3311184991816,1cyclictest3481219-21ps21:55:161
3311184991816,1cyclictest3481219-21ps21:55:151
3311184991816,1cyclictest3331638-21apt-get19:30:101
3311184991816,1cyclictest0-21swapper/100:25:121
3311184991814,2cyclictest3362141-21cron20:00:001
3311192991714,2cyclictest0-21swapper/300:00:153
3311192991713,3cyclictest3639584-21kthreadcore00:30:173
3311192991712,3cyclictest3362412-21apt-get20:00:143
3311187991715,1cyclictest0-21swapper/222:49:272
3311187991715,1cyclictest0-21swapper/222:10:112
3311184991716,1cyclictest0-21swapper/122:41:571
3311184991715,1cyclictest0-21swapper/119:25:101
331118499170,15cyclictest3592376-21basename23:45:001
3311187991614,1cyclictest0-21swapper/220:45:122
3311187991612,3cyclictest3567377-21cpuspeed_turbos23:20:132
3311184991614,1cyclictest0-21swapper/123:55:121
3311184991614,1cyclictest0-21swapper/122:00:131
3311192991514,1cyclictest0-21swapper/319:25:183
331118799159,4cyclictest3542049-21cut22:55:132
3311187991512,2cyclictest3459206-21needreboot21:30:202
3311187991510,4cyclictest3541232-21unixbench_multi22:50:262
3311184991513,1cyclictest3536618-21munin-plugin-st22:50:001
3311184991512,2cyclictest3373017-21cut20:10:161
331118799148,5cyclictest516-21rs:main2
3311187991412,1cyclictest0-21swapper/219:10:192
3311184991412,1cyclictest0-21swapper/121:15:121
3311184991411,2cyclictest0-21swapper/121:25:001
3311184991410,2cyclictest0-21swapper/121:05:141
331119299139,2cyclictest0-21swapper/323:30:173
3311184991310,2cyclictest3314679-21kthreadcore19:10:171
331118799129,2cyclictest0-21swapper/223:05:002
331118499120,5cyclictest301rcuc/123:10:181
331119299117,2cyclictest0-21swapper/323:25:173
331119299113,6cyclictest3321832-21head19:20:153
331118799117,2cyclictest0-21swapper/219:50:242
331118799110,2cyclictest3311106-21latency_hist19:10:002
331118799108,1cyclictest0-21swapper/221:50:122
331118799107,2cyclictest3530445-21sshd22:40:182
331118499102,2cyclictest191rcu_preempt20:20:171
33111849971,1cyclictest191rcu_preempt19:09:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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