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2026-08-01 - 07:11
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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 Sat Aug 01, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
352033599302,2cyclictest41-21ksoftirqd/223:45:162
352033199290,2cyclictest3829117-21apt-get00:15:001
3520329992826,1cyclictest3673859-21basename21:40:000
352033799271,22cyclictest3633561-21apt-get21:00:123
3520329992722,3cyclictest0-21swapper/019:25:120
352032999272,22cyclictest0-21swapper/020:50:130
352033799262,21cyclictest3613261-21apt-get20:40:123
352033799261,21cyclictest0-21swapper/300:25:123
352033799260,23cyclictest3834607-21awk00:20:013
352033199262,21cyclictest3663967-21apt-get21:30:121
352032999269,10cyclictest3827390-21grep00:10:140
352032999268,5cyclictest3823597-21ls00:05:000
352032999266,7cyclictest3685085-21expr21:50:160
352033799252,3cyclictest3721073-21apt-get22:25:113
3520337992520,3cyclictest3545962-21apt-get19:35:133
3520337992518,5cyclictest3663691-21cron21:30:003
352033799251,3cyclictest3540844-21apt-get19:30:103
352033799251,21cyclictest3591656-21apt-get20:20:083
352033799251,21cyclictest0-21swapper/320:55:133
352033799251,21cyclictest0-21swapper/300:10:083
352032999259,9cyclictest3766682-21cat23:10:010
352032999259,8cyclictest3640680-21kthreadcore21:05:190
352032999257,6cyclictest3843063-21cut00:25:190
352032999257,6cyclictest3568493-21kthreadcore19:55:170
352032999257,5cyclictest3565277-21awk19:50:290
352032999257,11cyclictest3793063-21basename23:35:160
352032999256,7cyclictest3702612-21kthreadcore22:05:180
352032999256,7cyclictest3696529-21grep22:00:180
352032999256,7cyclictest3603198-21irqcore20:30:160
352032999256,7cyclictest3595466-21needreboot20:20:150
352032999256,6cyclictest3582476-21kthreadcore20:10:230
352032999255,7cyclictest3811734-21grep23:50:180
352032999254,8cyclictest3743115-21kthreadcore22:45:150
3520329992523,1cyclictest0-21swapper/021:55:120
3520329992522,2cyclictest0-21swapper/020:25:130
3520329992522,2cyclictest0-21swapper/020:25:130
3520329992522,1cyclictest0-21swapper/000:35:120
3520329992520,3cyclictest3746509-21apt-get22:50:120
352032999251,20cyclictest3766764-21apt-get23:10:120
352032999251,20cyclictest3751578-21apt-get22:55:130
352032999251,20cyclictest0-21swapper/023:55:120
3520337992419,3cyclictest3726133-21apt-get22:30:123
352033799241,21cyclictest0-21swapper/322:55:123
352033799241,20cyclictest0-21swapper/322:40:113
352033799241,20cyclictest0-21swapper/321:20:123
352033799241,20cyclictest0-21swapper/319:25:133
352033799241,20cyclictest0-21swapper/300:00:123
352033799240,21cyclictest0-21swapper/323:50:113
352033799240,21cyclictest0-21swapper/322:20:133
352033599242,20cyclictest3798199-21apt-get23:40:112
3520335992420,3cyclictest3726133-21apt-get22:30:122
3520335992419,3cyclictest3710554-21apt-get22:15:132
352033599241,3cyclictest3571354-21apt-get20:00:132
3520331992422,1cyclictest0-21swapper/100:20:001
3520331992420,2cyclictest3674130-21apt-get21:40:131
352033199241,21cyclictest3741412-21apt-get22:45:101
352033199241,20cyclictest3766764-21apt-get23:10:131
352033199241,20cyclictest0-21swapper/119:35:131
352033199240,4cyclictest3777322-21systemd-journal23:20:001
352032999248,9cyclictest3551270-21grep19:40:140
352032999248,5cyclictest3705439-21cat22:10:110
352032999248,11cyclictest3731424-21fschecks_time22:35:130
352032999247,6cyclictest3544534-21cut19:30:170
352032999247,5cyclictest3586846-21fschecks_time20:15:140
352032999245,6cyclictest3616714-21cut20:40:180
352032999245,6cyclictest3581425-21cat20:10:000
352032999242,19cyclictest0-21swapper/019:45:130
3520329992420,2cyclictest0-21swapper/023:30:120
352032999241,20cyclictest0-21swapper/019:15:120
352032999240,20cyclictest0-21swapper/019:20:140
3520337992319,3cyclictest3681862-21kthreadcore21:45:173
3520337992319,2cyclictest3741412-21apt-get22:45:103
3520337992319,2cyclictest3664469-21irqcore21:30:163
352033799231,21cyclictest3560008-21ntpq19:45:213
352033799231,20cyclictest3652707-21ntpq21:15:233
352033799230,21cyclictest3777490-21tr23:20:163
352033599231,2cyclictest3715601-21apt-get22:20:122
352033599231,20cyclictest3818597-21apt-get00:00:112
352033599231,20cyclictest3586587-21apt-get20:15:122
352033599231,20cyclictest0-21swapper/221:55:172
352033199232,20cyclictest3761692-21apt-get23:05:131
3520331992320,2cyclictest3808405-21apt-get23:50:131
352033199231,2cyclictest3845066-21apt-get00:30:121
352033199231,20cyclictest3607769-21apt-get20:35:131
352033199231,20cyclictest3530663-21apt-get19:20:131
352033199231,19cyclictest0-21swapper/100:06:341
352033199230,20cyclictest0-21swapper/123:35:131
352032999237,5cyclictest3777776-21sed23:20:170
352032999236,7cyclictest3648852-21cpuspeed_turbos21:15:140
352032999236,6cyclictest3664338-21gltestperf21:30:140
352032999236,6cyclictest3633855-21grep21:00:150
352032999235,7cyclictest3730743-21taskset22:32:430
352032999235,6cyclictest3721381-21expr22:25:150
352032999235,5cyclictest3677903-21missed_timers21:40:200
352032999234,6cyclictest3549929-21ntp_offset19:35:220
3520329992321,1cyclictest3803813-21ps23:45:160
3520329992321,1cyclictest0-21swapper/023:25:110
352032999230,4cyclictest3719775-21timerandwakeup22:20:240
352032999230,22cyclictest3644250-21grep21:10:160
352032999230,21cyclictest3849866-21munin-run00:34:590
3520337992219,1cyclictest3684713-21apt-get21:50:133
3520337992219,1cyclictest0-21swapper/323:00:173
3520337992219,1cyclictest0-21swapper/323:00:163
3520337992218,3cyclictest3788033-21irqcore23:30:173
3520337992218,3cyclictest3607515-21cut20:35:003
352033799220,21cyclictest64-21kcompactd021:40:203
352033799220,21cyclictest3612605-21/usr/sbin/munin20:40:003
352033799220,19cyclictest0-21swapper/321:35:123
3520335992219,2cyclictest3675079-21ps21:40:182
352033599220,22cyclictest391rcuc/223:25:112
352033599220,21cyclictest3633290-21awk21:00:002
352033199221,2cyclictest0-21swapper/122:25:111
352033199221,1cyclictest3787542-21apt-get23:30:121
352033199221,19cyclictest3760542-21ntpq23:00:211
352033199221,19cyclictest3760542-21ntpq23:00:211
352033199220,2cyclictest3818324-21idleruntime-cro00:00:001
352033199220,21cyclictest0-21swapper/120:55:001
352033199220,19cyclictest3581527-21apt-get20:10:171
352033199220,19cyclictest0-21swapper/121:10:131
352032999227,5cyclictest0-21swapper/019:10:140
352032999226,5cyclictest3833129-21cut00:15:170
352032999225,5cyclictest3715532-21sort22:20:000
352032999225,5cyclictest3680847-21grep21:45:170
3520329992220,1cyclictest0-21swapper/023:02:350
3520329992220,1cyclictest0-21swapper/023:02:350
352032999221,19cyclictest0-21swapper/023:40:110
352032999220,19cyclictest0-21swapper/020:55:120
352032999220,19cyclictest0-21swapper/020:00:130
3520337992119,1cyclictest0-21swapper/320:45:133
3520337992118,2cyclictest0-21swapper/319:43:093
3520337992117,3cyclictest3797527-21cut23:40:003
3520337992117,2cyclictest3525588-21apt-get19:15:123
3520337992116,2cyclictest3638656-21apt-get21:05:133
352033799210,1cyclictest0-21swapper/300:30:123
3520335992119,1cyclictest41-21ksoftirqd/222:50:002
3520335992119,1cyclictest3786859-21apt-get23:30:022
3520335992119,1cyclictest0-21swapper/219:10:112
3520335992119,1cyclictest0-21swapper/200:25:172
3520335992118,2cyclictest3529539-21ntpq19:15:212
3520335992117,2cyclictest3546461-21grep19:35:172
3520335992115,4cyclictest3776718-21cron23:20:002
352033599211,1cyclictest0-21swapper/219:20:132
352033599210,20cyclictest64-21kcompactd020:08:572
352033599210,20cyclictest41-21ksoftirqd/221:25:172
352033599210,20cyclictest0-21swapper/221:45:122
3520331992119,1cyclictest0-21swapper/121:05:141
3520331992119,1cyclictest0-21swapper/119:55:101
3520331992118,2cyclictest3803316-21apt-get23:45:111
3520331992118,2cyclictest0-21swapper/121:45:121
3520331992118,2cyclictest0-21swapper/119:15:121
352033199210,2cyclictest3839956-21chrt00:25:121
352033199210,20cyclictest3798690-21irqcore23:40:151
352033199210,19cyclictest0-21swapper/121:25:111
352033199210,18cyclictest3850125-21apt-get00:35:121
352032999215,5cyclictest3659190-21grep21:25:140
352032999214,7cyclictest3737210-21kernelversion22:40:160
352032999210,1cyclictest0-21swapper/023:15:170
3520337992018,1cyclictest0-21swapper/320:50:213
3520337992016,2cyclictest0-21swapper/323:10:133
3520337992014,3cyclictest3690207-21apt-get21:55:123
352033799200,1cyclictest0-21swapper/320:10:183
352033799200,19cyclictest0-21swapper/323:40:193
3520335992018,1cyclictest64-21kcompactd020:54:392
3520335992018,1cyclictest0-21swapper/222:10:122
3520335992018,1cyclictest0-21swapper/220:40:022
3520335992018,1cyclictest0-21swapper/220:35:112
3520335992017,2cyclictest3829804-21apt-get00:15:102
3520335992017,2cyclictest3818344-21munin-run00:00:002
3520335992017,1cyclictest3556102-21apt-get19:45:132
352033599200,1cyclictest0-21swapper/219:55:112
352033599200,1cyclictest0-21swapper/200:35:122
352033599200,19cyclictest3757121-21ps23:00:162
352033599200,19cyclictest3757121-21ps23:00:162
3520331992018,1cyclictest64-21kcompactd022:02:231
3520331992018,1cyclictest3786028-21ntpq23:25:211
3520331992018,1cyclictest3576426-21apt-get20:05:131
3520331992018,1cyclictest0-21swapper/122:30:121
3520331992018,1cyclictest0-21swapper/121:35:111
3520331992018,1cyclictest0-21swapper/121:17:131
3520331992018,1cyclictest0-21swapper/120:40:121
3520331992018,1cyclictest0-21swapper/120:00:131
352033199200,20cyclictest64-21kcompactd021:20:591
352033199200,1cyclictest64-21kcompactd019:40:591
352033199200,1cyclictest0-21swapper/122:55:131
352033199200,1cyclictest0-21swapper/121:01:061
352033199200,19cyclictest0-21swapper/122:42:421
352033199200,19cyclictest0-21swapper/120:46:351
352033199200,19cyclictest0-21swapper/100:00:121
352032999205,5cyclictest3609421-21cut20:35:180
352032999204,5cyclictest500-21dbus-daemon00:25:010
352032999204,5cyclictest3823756-21chrt00:06:400
352032999203,6cyclictest3621653-21kthreadcore20:45:190
3520337991917,1cyclictest0-21swapper/322:54:003
3520337991917,1cyclictest0-21swapper/322:05:123
3520337991917,1cyclictest0-21swapper/319:22:433
3520337991916,2cyclictest3695788-21grep22:00:173
3520337991916,2cyclictest3566751-21irqcore19:55:163
3520337991915,2cyclictest0-21swapper/322:35:123
352033599196,2cyclictest191rcu_preempt21:20:212
3520335991918,1cyclictest0-21swapper/220:12:102
3520335991917,1cyclictest0-21swapper/222:55:122
3520335991917,1cyclictest0-21swapper/222:40:112
3520335991917,1cyclictest0-21swapper/221:39:492
3520335991917,1cyclictest0-21swapper/221:10:132
3520335991917,1cyclictest0-21swapper/219:50:402
352033599190,1cyclictest64-21kcompactd020:20:462
352033599190,1cyclictest0-21swapper/221:30:122
3520331991918,1cyclictest64-21kcompactd023:23:341
3520331991918,1cyclictest0-21swapper/122:16:541
3520331991917,1cyclictest0-21swapper/122:10:121
3520331991916,2cyclictest3731201-21apt-get22:35:111
3520337991816,1cyclictest0-21swapper/323:55:133
3520337991816,1cyclictest0-21swapper/300:25:013
3520337991815,2cyclictest0-21swapper/320:05:213
3520337991814,2cyclictest3786839-21cron23:30:003
3520337991814,2cyclictest3597503-21gltestperf20:25:163
3520337991814,2cyclictest3597503-21gltestperf20:25:163
3520337991813,3cyclictest3586590-21taskset20:15:113
3520335991817,0cyclictest3535755-21apt-get19:25:122
3520335991816,1cyclictest3597162-21apt-get20:25:132
3520335991816,1cyclictest3597162-21apt-get20:25:132
3520335991816,1cyclictest0-21swapper/223:50:122
3520335991816,1cyclictest0-21swapper/223:10:132
3520335991816,1cyclictest0-21swapper/220:45:122
3520335991816,1cyclictest0-21swapper/200:20:242
352033599180,0cyclictest0-21swapper/223:21:242
3520331991816,1cyclictest0-21swapper/122:50:121
3520331991816,1cyclictest0-21swapper/119:10:111
3520331991815,2cyclictest0-21swapper/121:55:021
3520331991814,3cyclictest500-21dbus-daemon22:25:001
352033199180,17cyclictest0-21swapper/119:25:131
3520337991715,1cyclictest0-21swapper/319:10:533
3520335991715,1cyclictest3602677-21apt-get20:30:112
3520335991715,1cyclictest0-21swapper/223:37:002
3520335991714,2cyclictest3704480-21chrt22:05:242
3520335991714,2cyclictest3541347-21tr19:30:152
352033599170,4cyclictest3642521-21needreboot21:05:222
3520331991716,1cyclictest64-21kcompactd019:30:151
3520331991715,1cyclictest64-21kcompactd019:51:121
3520331991715,1cyclictest0-21swapper/120:55:181
3520331991715,1cyclictest0-21swapper/120:25:131
3520331991715,1cyclictest0-21swapper/120:25:121
3520337991614,1cyclictest0-21swapper/323:15:143
3520337991613,2cyclictest0-21swapper/319:50:173
3520337991612,2cyclictest3705461-21apt-get22:10:123
3520337991611,3cyclictest3761758-21cpuspeed_turbos23:05:123
3520337991611,3cyclictest0-21swapper/323:45:233
3520335991616,0cyclictest64-21kcompactd022:03:592
3520335991614,2cyclictest377-21hwrng21:53:502
352033599160,15cyclictest3746251-21turbostat.cron22:54:552
3520331991614,1cyclictest0-21swapper/120:30:031
352033799159,4cyclictest3854655-21sshd00:36:543
3520337991512,2cyclictest3643748-21apt-get21:10:123
352033599153,4cyclictest41-21ksoftirqd/222:30:002
3520335991513,1cyclictest377-21hwrng21:18:002
3520335991513,1cyclictest377-21hwrng00:05:572
3520335991513,1cyclictest3634507-21kthreadcore21:00:182
3520335991513,1cyclictest0-21swapper/222:35:102
3520335991513,1cyclictest0-21swapper/219:40:112
3520331991513,1cyclictest0-21swapper/100:20:151
3520331991512,2cyclictest3686938-21kthreadcore21:50:191
3520337991410,3cyclictest3710620-21cpuspeed_turbos22:15:143
3520335991413,1cyclictest377-21hwrng00:32:332
3520335991412,2cyclictest377-21hwrng23:05:312
352033599140,3cyclictest3488650-21munin-node00:10:072
352033199141,3cyclictest3591390-21awk20:20:001
3520331991412,1cyclictest0-21swapper/122:05:111
3520331991412,1cyclictest0-21swapper/119:45:131
352032999147,5cyclictest3520481-21latency_hist19:10:010
352033799139,3cyclictest3571613-21fschecks_time20:00:143
352033799137,4cyclictest3823847-21sshd00:07:483
352033199134,2cyclictest3596005-21grep20:20:211
352033599128,2cyclictest0-21swapper/219:10:012
35203379981,5cyclictest3520392-21latency_hist19:10:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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