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2026-04-13 - 11:07
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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 the 792 highest latencies:
System rackeslot4.osadl.org (updated Mon Apr 13, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
359663699282,22cyclictest3881205-21apt-get23:50:143
359663699272,22cyclictest3713397-21apt-get21:05:133
359663699271,5cyclictest3824927-21sh22:55:013
359663699261,23cyclictest3927133-21apt-get00:35:123
359663699261,22cyclictest0-21swapper/300:30:143
359663699261,21cyclictest0-21swapper/322:20:123
359663499261,22cyclictest3830255-21apt-get23:00:122
359663499261,21cyclictest3607255-21apt-get19:20:112
359663699251,21cyclictest0-21swapper/321:50:143
359663699251,21cyclictest0-21swapper/300:20:133
359663699251,21cyclictest0-21swapper/300:00:133
359663499251,22cyclictest3687879-21cron20:40:002
3596636992421,2cyclictest3617363-21apt-get19:30:113
3596636992419,3cyclictest0-21swapper/322:40:123
359663699241,21cyclictest3636526-21ntpq19:45:243
359663699241,20cyclictest0-21swapper/322:35:123
359663699240,22cyclictest3687876-21awk20:40:003
3596634992420,2cyclictest3749325-21apt-get21:40:112
3596634992419,3cyclictest3647692-21apt-get20:00:132
359663499241,21cyclictest3820171-21apt-get22:50:152
359663499241,21cyclictest3693202-21apt-get20:45:132
359663499241,20cyclictest3911588-21apt-get00:20:142
359663499241,1cyclictest0-21swapper/221:20:132
3596629992421,1cyclictest3886236-21apt-get23:55:121
3596629992420,2cyclictest3881205-21apt-get23:50:141
3596629992420,2cyclictest3764469-21apt-get21:55:121
3596629992420,2cyclictest3718478-21apt-get21:10:121
359662999241,20cyclictest3825200-21apt-get22:55:111
359662999241,20cyclictest3627495-21apt-get19:40:101
359662499242,2cyclictest3860985-21apt-get23:30:120
359662499242,2cyclictest3860985-21apt-get23:30:120
3596624992421,2cyclictest3672989-21apt-get20:25:120
359662499241,22cyclictest3738922-21grep21:30:000
359662499241,21cyclictest3678042-21apt-get20:30:120
3596636992319,3cyclictest0-21swapper/319:55:113
3596636992319,2cyclictest64-21kcompactd019:24:153
3596636992319,1cyclictest0-21swapper/320:15:133
359663699231,3cyclictest0-21swapper/321:20:133
359663699231,2cyclictest0-21swapper/323:15:153
359663699231,21cyclictest0-21swapper/320:25:113
359663699231,20cyclictest0-21swapper/322:45:123
3596634992319,3cyclictest3804912-21apt-get22:35:132
359663499231,2cyclictest3597170-21apt-get19:10:122
359663499230,20cyclictest0-21swapper/223:15:152
359663499230,20cyclictest0-21swapper/223:10:122
359663499230,20cyclictest0-21swapper/200:35:132
359663499230,20cyclictest0-21swapper/200:30:132
359663499230,19cyclictest0-21swapper/222:05:112
359662999233,19cyclictest0-21swapper/119:50:001
3596629992319,2cyclictest3809967-21apt-get22:40:131
359662999231,19cyclictest3845399-21apt-get23:15:151
359662999230,20cyclictest3647695-21seq20:00:131
3596624992319,2cyclictest3662901-21apt-get20:15:110
3596636992219,2cyclictest3775501-21kthreadcore22:05:173
3596636992219,1cyclictest3855953-21apt-get23:25:113
3596636992218,2cyclictest3785198-21grep22:15:163
3596636992218,2cyclictest0-21swapper/319:40:103
3596636992218,2cyclictest0-21swapper/319:15:123
3596636992217,3cyclictest3642370-21idleruntime-cro19:55:003
359663699221,2cyclictest3866018-21apt-get23:35:113
359663699221,2cyclictest0-21swapper/320:45:133
359663699221,20cyclictest0-21swapper/320:05:123
359663699221,1cyclictest0-21swapper/323:00:123
359663699220,2cyclictest0-21swapper/320:30:143
359663699220,21cyclictest0-21swapper/323:55:113
359663699220,21cyclictest0-21swapper/323:10:123
3596634992218,3cyclictest0-21swapper/219:30:112
3596634992217,2cyclictest0-21swapper/219:55:112
359663499221,2cyclictest3917042-21apt-get00:25:122
359663499221,19cyclictest0-21swapper/220:30:142
359663499220,19cyclictest0-21swapper/223:55:112
359663499220,19cyclictest0-21swapper/220:25:122
3596629992219,2cyclictest3735950-21sshd21:25:171
359662999220,20cyclictest3835777-21tr23:05:171
359662999220,1cyclictest0-21swapper/123:30:121
359662999220,1cyclictest0-21swapper/123:30:121
359662999220,19cyclictest0-21swapper/123:35:121
3596624992219,2cyclictest61650irq/133-enp0s29f1:rx-000:38:260
3596624992219,2cyclictest3729062-21apt-get21:20:130
3596624992219,2cyclictest0-21swapper/023:30:010
3596624992217,4cyclictest3718206-21sh21:09:590
359662499221,20cyclictest3784709-21apt-get22:15:110
359662499221,20cyclictest3693202-21apt-get20:45:110
359662499221,20cyclictest261-21systemd-journal21:40:000
359662499220,2cyclictest261-21systemd-journal19:45:000
3596636992118,2cyclictest0-21swapper/323:45:323
3596636992118,2cyclictest0-21swapper/300:25:133
359663699210,1cyclictest0-21swapper/323:20:223
3596634992119,1cyclictest0-21swapper/223:22:252
3596634992119,1cyclictest0-21swapper/219:53:492
3596634992118,2cyclictest391rcuc/222:30:152
3596634992117,2cyclictest3728787-21idleruntime-cro21:20:002
3596634992117,2cyclictest0-21swapper/222:40:122
3596634992116,3cyclictest3785192-21irqcore22:15:162
359663499210,2cyclictest3861469-21ps23:30:172
359663499210,2cyclictest3861469-21ps23:30:162
359663499210,20cyclictest0-21swapper/221:05:132
359663499210,20cyclictest0-21swapper/200:00:122
359663499210,1cyclictest3667935-21apt-get20:20:132
359663499210,19cyclictest0-21swapper/223:50:132
359663499210,19cyclictest0-21swapper/222:20:132
359663499210,19cyclictest0-21swapper/221:50:142
3596629992119,1cyclictest3642636-21apt-get19:55:111
3596629992119,1cyclictest0-21swapper/122:50:141
3596629992119,1cyclictest0-21swapper/122:28:381
3596629992118,1cyclictest3906506-21apt-get00:15:111
3596629992117,3cyclictest3612033-21cron19:25:011
359662999210,2cyclictest3732988-21ntpq21:20:211
359662999210,20cyclictest3740805-21kthreadcore21:30:171
359662999210,1cyclictest0-21swapper/120:35:131
3596624992119,1cyclictest3602222-21apt-get19:15:120
3596624992119,1cyclictest0-21swapper/023:05:130
3596624992118,2cyclictest3922088-21apt-get00:30:130
359662499210,2cyclictest0-21swapper/022:40:130
359662499210,2cyclictest0-21swapper/021:18:450
359662499210,20cyclictest0-21swapper/020:55:220
359662499210,20cyclictest0-21swapper/020:55:210
359662499210,20cyclictest0-21swapper/019:55:000
359662499210,1cyclictest0-21swapper/000:25:010
3596636992018,1cyclictest0-21swapper/323:30:123
3596636992018,1cyclictest0-21swapper/323:30:113
3596636992018,1cyclictest0-21swapper/319:10:013
359663699200,19cyclictest0-21swapper/320:50:143
359663699200,19cyclictest0-21swapper/320:50:133
359663699200,19cyclictest0-21swapper/319:25:103
3596634992018,1cyclictest3612310-21apt-get19:25:102
3596634992017,2cyclictest0-21swapper/220:15:132
359663499200,1cyclictest3739656-21ps21:30:162
359663499200,1cyclictest0-21swapper/220:40:172
359663499200,19cyclictest0-21swapper/220:05:122
3596629992018,1cyclictest3916385-21/usr/sbin/munin00:25:011
3596629992017,2cyclictest3707223-21ntpq20:55:221
3596629992017,2cyclictest3707223-21ntpq20:55:221
3596629992016,3cyclictest0-21swapper/119:35:011
359662999200,1cyclictest0-21swapper/123:20:121
359662999200,1cyclictest0-21swapper/122:33:281
359662999200,1cyclictest0-21swapper/122:00:121
359662999200,1cyclictest0-21swapper/121:15:131
359662999200,1cyclictest0-21swapper/120:10:121
359662999200,1cyclictest0-21swapper/119:35:121
359662999200,19cyclictest3834168-21ntpq23:00:221
359662999200,19cyclictest0-21swapper/121:44:011
359662999200,19cyclictest0-21swapper/100:25:131
3596624992018,1cyclictest0-21swapper/021:55:120
3596624992018,1cyclictest0-21swapper/021:10:110
3596624992018,1cyclictest0-21swapper/020:20:120
3596624992018,1cyclictest0-21swapper/019:55:120
3596624992018,1cyclictest0-21swapper/000:15:110
359662499200,1cyclictest0-21swapper/023:00:120
359662499200,1cyclictest0-21swapper/022:10:110
359662499200,1cyclictest0-21swapper/019:10:120
359662499200,19cyclictest3612035-21cron19:25:010
359662499200,19cyclictest0-21swapper/023:35:130
359662499200,19cyclictest0-21swapper/021:50:140
359662499200,19cyclictest0-21swapper/019:45:140
359662499200,19cyclictest0-21swapper/019:35:110
359662499200,19cyclictest0-21swapper/000:25:130
359663699197,2cyclictest191rcu_preempt20:40:133
3596636991916,2cyclictest0-21swapper/323:40:123
3596636991915,2cyclictest0-21swapper/322:10:123
3596636991915,2cyclictest0-21swapper/300:05:123
3596634991917,1cyclictest0-21swapper/222:25:122
3596634991916,2cyclictest3896840-21irqcore00:05:162
3596634991916,2cyclictest3766690-21kthreadcore21:55:172
3596634991916,2cyclictest3596866-21apt-key19:10:012
3596634991916,1cyclictest0-21swapper/222:55:112
3596634991915,3cyclictest0-21swapper/219:40:102
3596634991915,2cyclictest0-21swapper/223:25:052
3596629991918,1cyclictest0-21swapper/123:45:201
3596629991917,1cyclictest3779631-21apt-get22:10:111
3596629991917,1cyclictest0-21swapper/122:15:111
3596629991917,1cyclictest0-21swapper/120:15:121
3596629991916,2cyclictest3749055-21awk21:39:591
3596629991916,2cyclictest3604373-21grep19:15:181
3596629991916,1cyclictest0-21swapper/121:00:121
3596629991910,7cyclictest3896102-21idleruntime-cro00:05:001
359662999190,1cyclictest0-21swapper/120:31:271
359662999190,1cyclictest0-21swapper/120:20:121
359662999190,19cyclictest0-21swapper/121:06:231
3596624991918,1cyclictest0-21swapper/020:40:110
3596624991917,1cyclictest0-21swapper/021:30:130
3596624991917,1cyclictest0-21swapper/021:02:370
3596624991917,1cyclictest0-21swapper/020:35:130
3596624991916,2cyclictest0-21swapper/023:50:190
3596624991916,2cyclictest0-21swapper/020:10:120
3596624991916,1cyclictest0-21swapper/020:00:110
359662499190,1cyclictest64-21kcompactd021:42:560
359662499190,18cyclictest0-21swapper/022:55:120
3596636991816,1cyclictest0-21swapper/321:15:133
3596634991815,2cyclictest64-21kcompactd023:45:312
3596629991816,1cyclictest3597659-21tr19:10:161
3596629991816,1cyclictest0-21swapper/100:08:061
3596629991812,4cyclictest3688351-21fschecks_count20:40:131
359662999180,1cyclictest0-21swapper/100:35:141
359662999180,17cyclictest0-21swapper/120:48:061
3596624991817,1cyclictest0-21swapper/000:10:110
3596624991816,1cyclictest0-21swapper/023:20:120
3596624991816,1cyclictest0-21swapper/019:25:100
3596624991814,3cyclictest61650irq/133-enp0s29f1:rx-023:40:120
3596636991715,1cyclictest3713150-21idleruntime-cro21:05:003
3596636991714,2cyclictest0-21swapper/319:35:113
3596636991714,1cyclictest0-21swapper/322:58:443
3596634991715,1cyclictest0-21swapper/220:50:242
3596634991715,1cyclictest0-21swapper/220:50:242
3596634991715,1cyclictest0-21swapper/219:15:122
3596629991715,1cyclictest0-21swapper/121:50:141
3596629991715,1cyclictest0-21swapper/120:25:121
3596624991715,1cyclictest3893262-21kthreadcore00:00:180
3596624991714,2cyclictest61650irq/133-enp0s29f1:rx-023:55:210
3596624991714,2cyclictest61650irq/133-enp0s29f1:rx-000:05:180
3596624991714,2cyclictest3622159-21munin-run19:35:010
3596624991714,2cyclictest0-21swapper/022:50:130
3596624991713,3cyclictest61650irq/133-enp0s29f1:rx-022:30:160
3596624991713,3cyclictest61650irq/133-enp0s29f1:rx-021:45:200
3596636991614,1cyclictest0-21swapper/320:20:133
3596636991613,2cyclictest3734090-21/usr/sbin/munin21:25:163
3596636991613,2cyclictest3703288-21apt-get20:55:123
3596636991613,2cyclictest3703288-21apt-get20:55:123
3596636991613,2cyclictest0-21swapper/300:14:003
3596636991613,1cyclictest0-21swapper/322:30:123
3596634991613,2cyclictest3783552-21ntpq22:10:202
3596634991613,2cyclictest3759153-21sh21:50:002
3596634991613,2cyclictest0-21swapper/223:40:122
3596629991613,2cyclictest3926866-21cron00:35:001
3596629991611,3cyclictest3901407-21apt-get00:10:111
3596629991610,5cyclictest3840341-21apt-get23:10:111
3596624991615,1cyclictest64-21kcompactd022:46:230
3596624991614,2cyclictest62450irq/134-enp0s29f1:tx-022:35:140
3596624991614,1cyclictest0-21swapper/023:15:150
3596624991613,2cyclictest0-21swapper/022:00:160
3596624991612,3cyclictest61650irq/133-enp0s29f1:rx-022:25:110
3596636991513,1cyclictest64-21kcompactd021:41:203
3596636991513,1cyclictest3596619-21cyclictest22:25:173
3596636991512,2cyclictest3836558-21kthreadcore23:05:193
3596636991512,2cyclictest0-21swapper/319:10:123
3596636991510,3cyclictest0-21swapper/321:35:123
3596636991510,3cyclictest0-21swapper/320:04:343
359663699150,13cyclictest0-21swapper/322:04:553
3596634991512,2cyclictest3713140-21munin-run21:05:002
359662999151,2cyclictest191rcu_preempt22:05:131
3596629991512,2cyclictest3860712-21idleruntime-cro23:30:001
3596624991513,1cyclictest3703010-21cron20:55:000
3596624991513,1cyclictest3703010-21cron20:55:000
3596624991513,1cyclictest0-21swapper/022:20:120
3596624991512,2cyclictest61650irq/133-enp0s29f1:rx-023:45:170
3596624991512,2cyclictest61650irq/133-enp0s29f1:rx-023:10:130
3596636991412,1cyclictest3658201-21cut20:10:143
3596636991411,2cyclictest3722828-21unixbench_multi21:10:243
359663499143,1cyclictest191rcu_preempt20:55:142
359663499143,1cyclictest191rcu_preempt20:55:142
359663499141,2cyclictest191rcu_preempt21:15:002
3596634991411,2cyclictest0-21swapper/223:05:182
3596634991411,1cyclictest0-21swapper/222:45:122
3596634991410,2cyclictest0-21swapper/200:14:002
3596629991411,2cyclictest3652834-21cpuspeed_turbos20:05:121
3596629991411,2cyclictest3641947-21unixbench_singl19:50:271
3596629991411,2cyclictest0-21swapper/122:35:171
3596629991410,2cyclictest3871203-21cpuspeed_turbos23:40:131
3596636991310,2cyclictest3906861-21gltestperf00:15:153
3596636991310,2cyclictest3769258-21sh22:00:003
3596634991310,2cyclictest3632531-21apt-get19:45:142
3596629991311,1cyclictest0-21swapper/119:25:101
3596624991310,2cyclictest61650irq/133-enp0s29f1:rx-022:05:110
359663699129,2cyclictest0-21swapper/321:45:163
359663699129,2cyclictest0-21swapper/321:30:133
359663499129,2cyclictest0-21swapper/221:35:122
359663499129,1cyclictest0-21swapper/221:25:182
359663499120,2cyclictest191rcu_preempt20:10:142
359662999129,2cyclictest3701290-21kthreadcore20:50:201
359662999129,2cyclictest3701290-21kthreadcore20:50:201
3596629991210,1cyclictest0-21swapper/122:46:231
359662499127,3cyclictest3596877-21latency_hist19:10:010
359662499120,3cyclictest3655998-21kthreadcore20:05:180
359663499110,0cyclictest0-21swapper/222:04:552
359662999119,1cyclictest3789768-21apt-get22:20:121
359662999119,1cyclictest3758258-21ntpq21:45:211
359662999106,3cyclictest18050irq/130-nvme0q219:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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