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2026-07-06 - 14:18
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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 Jul 06, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3413238993129,1cyclictest3546740-21cron21:20:002
341323199285,3cyclictest0-21swapper/019:45:000
341323899275,4cyclictest3639214-21cron22:50:012
341323899272,21cyclictest3536869-21apt-get21:10:122
341323499272,21cyclictest3480168-21apt-get20:15:111
341323199271,22cyclictest3644547-21apt-get22:55:120
341323499261,21cyclictest3443826-21apt-get19:40:131
341323199261,22cyclictest3490419-21apt-get20:25:120
341323199260,24cyclictest3415677-21ps19:10:160
341324199251,20cyclictest3649624-21apt-get23:00:113
3413238992520,3cyclictest3715925-21apt-get00:05:122
341323899251,20cyclictest3680047-21apt-get23:30:112
341323499251,21cyclictest3423606-21apt-get19:20:121
341323499251,20cyclictest3485320-21apt-get20:20:131
341323499251,20cyclictest3485320-21apt-get20:20:131
341323499251,20cyclictest0-21swapper/120:50:131
341323199252,3cyclictest3736617-21apt-get00:25:120
341323199252,2cyclictest3598067-21apt-get22:10:120
341323199252,21cyclictest3526318-21apt-get21:00:120
341323199252,21cyclictest3448895-21apt-get19:45:100
3413231992520,3cyclictest3639493-21apt-get22:50:130
3413231992520,3cyclictest3639493-21apt-get22:50:120
3413231992520,3cyclictest3521257-21apt-get20:55:110
3413231992520,3cyclictest3505604-21apt-get20:40:120
3413231992519,4cyclictest3607947-21cron22:20:000
3413231992517,6cyclictest3485808-21sed20:20:180
3413231992517,6cyclictest3485808-21sed20:20:180
341323199251,3cyclictest3700716-21grep23:50:120
3413241992421,2cyclictest3511079-21apt-get20:45:123
3413241992420,3cyclictest3490138-21cron20:25:003
3413241992420,3cyclictest3490138-21cron20:25:003
341324199241,20cyclictest3582408-21apt-get21:55:123
341324199241,20cyclictest3475114-21apt-get20:10:133
341324199241,20cyclictest3413449-21apt-get19:10:113
3413238992420,2cyclictest3557137-21apt-get21:30:122
3413238992420,2cyclictest3418525-21apt-get19:15:122
341323899241,20cyclictest3603165-21apt-get22:15:112
341323899241,20cyclictest3592995-21apt-get22:05:142
3413234992419,3cyclictest3777322-21systemd-journal00:20:001
3413234992418,4cyclictest3777322-21systemd-journal23:15:011
3413234992418,4cyclictest3566967-21cron21:40:011
341323499241,20cyclictest0-21swapper/121:50:141
3413231992420,2cyclictest3577355-21apt-get21:50:120
3413231992418,4cyclictest3736341-21taskset00:24:590
341323199241,21cyclictest3551810-21ls21:25:000
341323199240,22cyclictest3464707-21awk20:00:000
341323199240,22cyclictest3459393-21cat19:55:000
3413241992319,2cyclictest3639500-21sshd22:50:123
3413241992319,2cyclictest3639500-21sshd22:50:123
341324199230,22cyclictest3422546-21/usr/sbin/munin19:15:223
341324199230,20cyclictest3541925-21apt-get21:15:113
341324199230,20cyclictest0-21swapper/321:35:123
341323899232,2cyclictest3442644-21ntpq19:35:212
3413238992320,2cyclictest3567246-21apt-get21:40:122
3413238992320,2cyclictest3490135-21cron20:25:002
3413238992320,2cyclictest3490135-21cron20:25:002
3413238992319,2cyclictest3500506-21apt-get20:35:132
3413238992319,2cyclictest3459904-21apt-get19:55:122
341323899230,20cyclictest0-21swapper/220:40:122
341323899230,19cyclictest0-21swapper/223:40:132
3413234992319,2cyclictest3500229-21cron20:35:001
341323499231,2cyclictest3634140-21cat22:45:001
341323499231,2cyclictest3634140-21cat22:45:001
341323499231,20cyclictest3695223-21apt-get23:45:121
341323499231,20cyclictest3669897-21apt-get23:20:131
341323499231,20cyclictest3603654-21ps22:15:161
341323499230,20cyclictest3413225-21cyclictest00:05:121
341323499230,20cyclictest0-21swapper/121:15:121
341323499230,20cyclictest0-21swapper/120:55:111
341323499230,20cyclictest0-21swapper/119:25:111
3413231992320,2cyclictest0-21swapper/022:40:120
3413231992320,2cyclictest0-21swapper/022:40:110
3413231992319,3cyclictest0-21swapper/000:00:110
3413231992319,2cyclictest3623479-21apt-get22:35:100
3413231992319,2cyclictest0-21swapper/023:15:120
341323199231,2cyclictest3582408-21apt-get21:55:110
341323199231,2cyclictest0-21swapper/019:25:110
341323199231,21cyclictest0-21swapper/020:35:130
341323199231,20cyclictest0-21swapper/020:34:460
341323199230,21cyclictest0-21swapper/000:30:120
3413241992219,2cyclictest0-21swapper/322:55:133
3413241992219,2cyclictest0-21swapper/319:25:123
3413241992219,1cyclictest0-21swapper/300:35:013
3413241992218,2cyclictest3551814-21sh21:25:003
341324199220,20cyclictest3627852-21taskset22:35:233
3413238992217,4cyclictest3700048-21/usr/sbin/munin23:50:012
341323899220,2cyclictest3453697-21cron19:50:002
341323899220,20cyclictest0-21swapper/223:05:112
341323899220,19cyclictest0-21swapper/222:30:112
341323899220,19cyclictest0-21swapper/200:25:142
3413234992219,1cyclictest3490419-21apt-get20:25:121
3413234992218,3cyclictest3561919-21ls21:35:001
341323499221,20cyclictest3510578-21apt-config20:45:011
341323499220,2cyclictest3438488-21cron19:35:001
341323499220,19cyclictest0-21swapper/123:00:121
341323499220,19cyclictest0-21swapper/122:00:131
3413231992219,2cyclictest64-21kcompactd021:36:030
3413231992219,2cyclictest3531813-21apt-get21:05:120
3413231992219,2cyclictest0-21swapper/020:50:130
341323199221,2cyclictest3654702-21apt-get23:05:110
341323199221,20cyclictest3484137-21sed20:15:210
341323199221,20cyclictest0-21swapper/020:05:120
341323199221,1cyclictest3475114-21apt-get20:10:130
341323199220,21cyclictest0-21swapper/023:40:120
341323199220,21cyclictest0-21swapper/022:20:110
341323199220,20cyclictest3649630-21http23:00:130
341323199220,20cyclictest3587490-21apt-get22:00:130
341323199220,20cyclictest3552082-21apt-get21:25:110
341323199220,20cyclictest0-21swapper/023:30:120
3413241992119,1cyclictest64-21kcompactd021:03:153
3413241992119,1cyclictest0-21swapper/323:14:583
3413241992119,1cyclictest0-21swapper/322:40:123
3413241992119,1cyclictest0-21swapper/322:40:123
3413241992119,1cyclictest0-21swapper/322:20:123
3413241992119,1cyclictest0-21swapper/322:10:123
3413241992119,1cyclictest0-21swapper/320:15:113
3413241992118,2cyclictest3675462-21grep23:25:173
3413241992118,2cyclictest0-21swapper/321:25:123
3413241992117,3cyclictest3459407-21chmod19:55:003
341324199211,19cyclictest0-21swapper/321:05:123
341324199210,2cyclictest64-21kcompactd020:29:233
341324199210,2cyclictest0-21swapper/322:45:123
341324199210,20cyclictest64-21kcompactd000:01:113
341324199210,20cyclictest3725855-21https00:15:003
341324199210,20cyclictest0-21swapper/319:21:073
341324199210,19cyclictest0-21swapper/323:55:123
341324199210,19cyclictest0-21swapper/323:45:113
341324199210,19cyclictest0-21swapper/320:50:133
341324199210,19cyclictest0-21swapper/300:35:013
341324199210,18cyclictest0-21swapper/321:45:113
3413238992119,1cyclictest0-21swapper/223:20:132
3413238992119,1cyclictest0-21swapper/221:45:202
3413238992119,1cyclictest0-21swapper/220:10:132
3413238992118,2cyclictest3531175-21chrt21:05:002
3413238992114,5cyclictest3777322-21systemd-journal21:25:012
341323899211,1cyclictest0-21swapper/200:15:122
341323899211,19cyclictest3444317-21sort19:40:182
341323899210,20cyclictest3732045-21ps00:20:162
341323899210,20cyclictest3470529-21irqcore20:05:162
341323899210,20cyclictest0-21swapper/200:35:122
341323899210,18cyclictest0-21swapper/222:35:112
341323899210,18cyclictest0-21swapper/220:00:122
3413234992119,1cyclictest0-21swapper/121:00:221
3413234992119,1cyclictest0-21swapper/119:45:111
3413234992119,1cyclictest0-21swapper/100:21:371
3413234992118,2cyclictest0-21swapper/123:35:111
3413234992118,2cyclictest0-21swapper/123:05:111
3413234992117,2cyclictest3777245-21sshd21:25:121
341323499211,1cyclictest0-21swapper/122:20:131
341323499210,2cyclictest3551807-21cron21:25:001
341323499210,20cyclictest0-21swapper/122:37:531
341323499210,1cyclictest3674968-21apt-get23:25:121
341323499210,1cyclictest0-21swapper/119:55:111
341323499210,1cyclictest0-21swapper/119:15:111
341323499210,1cyclictest0-21swapper/100:25:141
341323499210,19cyclictest0-21swapper/123:55:121
341323499210,19cyclictest0-21swapper/121:40:121
341323499210,19cyclictest0-21swapper/100:10:131
341323499210,18cyclictest0-21swapper/122:05:151
3413231992118,2cyclictest64-21kcompactd000:37:120
341323199211,1cyclictest0-21swapper/021:40:120
341323199211,1cyclictest0-21swapper/019:15:120
341323199210,20cyclictest0-21swapper/021:45:120
341323199210,20cyclictest0-21swapper/020:00:120
341323199210,1cyclictest0-21swapper/020:45:110
3413241992018,1cyclictest64-21kcompactd023:35:233
3413241992018,1cyclictest0-21swapper/321:10:123
3413241992018,1cyclictest0-21swapper/300:20:123
3413241992017,2cyclictest0-21swapper/321:50:133
3413241992017,2cyclictest0-21swapper/321:30:123
3413241992017,1cyclictest3464983-21apt-get20:00:123
341324199200,1cyclictest0-21swapper/323:09:033
341324199200,1cyclictest0-21swapper/320:40:113
341324199200,1cyclictest0-21swapper/320:33:413
341324199200,1cyclictest0-21swapper/300:05:123
341324199200,19cyclictest64-21kcompactd023:42:563
341324199200,19cyclictest0-21swapper/319:35:133
3413238992018,1cyclictest64-21kcompactd020:54:072
3413238992018,1cyclictest0-21swapper/223:55:122
3413238992018,1cyclictest0-21swapper/222:55:052
3413238992018,1cyclictest0-21swapper/222:10:122
3413238992017,2cyclictest3418243-21cron19:15:002
341323899200,1cyclictest0-21swapper/223:00:112
341323899200,19cyclictest64-21kcompactd022:28:112
341323899200,19cyclictest0-21swapper/222:40:332
341323899200,19cyclictest0-21swapper/222:40:332
341323899200,19cyclictest0-21swapper/221:57:012
341323899200,19cyclictest0-21swapper/220:30:162
341323899200,18cyclictest3521752-21sort20:55:152
3413234992019,1cyclictest0-21swapper/123:40:471
3413234992018,1cyclictest64-21kcompactd023:33:471
3413234992018,1cyclictest3438771-21apt-get19:35:131
3413234992018,1cyclictest0-21swapper/123:50:201
3413234992018,1cyclictest0-21swapper/122:10:121
3413234992017,1cyclictest0-21swapper/120:45:021
341323499200,1cyclictest0-21swapper/122:45:111
341323499200,1cyclictest0-21swapper/121:10:121
3413231992017,2cyclictest3537825-21sed21:10:170
3413231992017,1cyclictest3618404-21apt-get22:30:120
3413231992017,1cyclictest0-21swapper/000:15:120
341323199200,1cyclictest64-21kcompactd022:26:030
341323199200,1cyclictest0-21swapper/021:16:410
341323199200,19cyclictest3434215-21grep19:30:170
341323199200,19cyclictest0-21swapper/022:05:260
3413241991917,1cyclictest0-21swapper/320:35:123
341324199190,18cyclictest3670394-21ps23:20:183
3413238991918,1cyclictest64-21kcompactd023:10:402
3413238991917,1cyclictest0-21swapper/219:25:112
3413238991915,2cyclictest3608224-21apt-get22:20:132
3413234991918,1cyclictest64-21kcompactd021:48:241
3413234991917,1cyclictest0-21swapper/120:35:131
3413234991917,1cyclictest0-21swapper/120:05:121
3413234991917,1cyclictest0-21swapper/100:35:121
341323499190,1cyclictest0-21swapper/123:20:011
3413231991917,1cyclictest64-21kcompactd019:24:520
3413231991917,1cyclictest0-21swapper/022:47:320
3413231991916,2cyclictest0-21swapper/023:35:110
3413231991916,2cyclictest0-21swapper/023:26:150
341323199190,1cyclictest3725877-21unin-run00:14:590
3413241991816,1cyclictest0-21swapper/322:15:203
3413241991816,1cyclictest0-21swapper/319:45:103
3413241991815,2cyclictest0-21swapper/323:50:023
3413241991814,3cyclictest3459207-21apt-get19:55:023
3413238991817,0cyclictest0-21swapper/219:52:502
3413238991816,1cyclictest0-21swapper/223:37:002
3413238991816,1cyclictest0-21swapper/219:20:122
3413238991816,1cyclictest0-21swapper/200:12:302
3413238991815,1cyclictest0-21swapper/221:50:132
3413234991816,1cyclictest3459207-21apt-get19:55:001
3413234991816,1cyclictest0-21swapper/100:00:121
3413234991815,2cyclictest3415681-21kthreadcore19:10:161
3413241991715,1cyclictest3438500-21cron19:35:003
3413241991714,2cyclictest3592286-21cron22:04:593
3413241991714,2cyclictest3447752-21ntpq19:40:233
3413241991714,2cyclictest3413151-21latency_hist19:10:013
3413241991711,4cyclictest3741154-21sshd00:27:123
3413238991716,1cyclictest0-21swapper/223:25:172
3413238991714,2cyclictest3480172-21chrt20:15:122
3413238991714,2cyclictest0-21swapper/223:55:002
3413238991713,2cyclictest3515905-21cron20:50:002
3413234991716,1cyclictest0-21swapper/121:07:011
3413234991715,1cyclictest0-21swapper/122:30:111
3413234991714,2cyclictest3746675-21dpkg00:35:001
3413231991714,2cyclictest0-21swapper/019:35:140
3413231991713,3cyclictest61650irq/133-enp0s29f1:rx-023:45:160
3413241991614,1cyclictest0-21swapper/321:40:123
3413241991612,3cyclictest3731311-21systemd-run00:19:593
3413241991612,2cyclictest3664812-21apt-get23:15:113
3413238991614,1cyclictest0-21swapper/221:05:132
3413238991613,1cyclictest0-21swapper/221:25:122
3413234991614,1cyclictest0-21swapper/122:25:121
3413231991614,1cyclictest0-21swapper/023:10:130
3413231991610,4cyclictest3674692-21cron23:25:000
341324199159,4cyclictest3777322-21systemd-journal20:10:003
3413241991511,3cyclictest3618474-21cpuspeed_turbos22:30:123
3413238991512,2cyclictest3413225-21cyclictest22:00:262
3413238991512,2cyclictest0-21swapper/200:05:012
3413238991512,1cyclictest0-21swapper/219:30:122
3413238991511,2cyclictest1-21systemd22:50:122
3413238991511,2cyclictest1-21systemd22:50:122
3413234991513,1cyclictest0-21swapper/122:55:121
3413234991513,1cyclictest0-21swapper/121:55:121
3413234991512,2cyclictest3479912-21cut20:14:591
3413234991511,3cyclictest3469776-21grep20:05:001
3413231991513,1cyclictest0-21swapper/021:30:120
3413231991510,4cyclictest61650irq/133-enp0s29f1:rx-023:55:110
3413241991412,1cyclictest0-21swapper/322:05:153
3413241991412,1cyclictest0-21swapper/320:55:113
3413238991412,1cyclictest0-21swapper/221:40:012
3413241991310,2cyclictest3684455-21unixbench_singl23:30:243
341323899131,3cyclictest3746646-21cat00:35:002
3413231991310,2cyclictest61650irq/133-enp0s29f1:rx-000:05:120
341324199126,4cyclictest3613527-21tune2fs22:25:153
341323899129,2cyclictest3669152-21unixbench_multi23:15:242
341323499118,2cyclictest311ktimers/122:50:201
341323499118,2cyclictest311ktimers/122:50:191
341323499117,2cyclictest0-21swapper/119:10:011
341323899105,4cyclictest3413406-21date19:10:012
341323199104,5cyclictest3413151-21latency_hist19:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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