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2026-03-10 - 00:06
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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 376 highest latencies:
System rackeslot4.osadl.org (updated Mon Mar 09, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3092647995047,2cyclictest3267116-21fwupd09:59:563
3092644993026,2cyclictest261-21systemd-journal08:25:002
3092647992825,1cyclictest0-21swapper/307:15:183
309264799281,22cyclictest3179783-21apt-get08:35:133
309264499287,5cyclictest3354585-21grep11:25:172
309264499282,23cyclictest3092634-21cyclictest07:25:112
309264799271,22cyclictest3195387-21apt-get08:50:133
309264499275,21cyclictest3317276-21cat10:45:252
3092641992721,2cyclictest191rcu_preempt12:40:001
3092639992723,3cyclictest3184628-21systemd-run08:40:010
309264799262,21cyclictest3251875-21apt-get09:45:113
309264799261,21cyclictest3375186-21apt-get11:45:123
309264499266,6cyclictest3369644-21sed11:40:012
309264499265,8cyclictest3306841-21ntpq10:35:192
3092644992623,2cyclictest0-21swapper/210:00:182
3092644992623,2cyclictest0-21swapper/208:05:002
3092647992520,2cyclictest3308002-21apt-get10:40:123
3092647992519,4cyclictest3380769-21irqcore11:50:163
309264799251,21cyclictest3215843-21cat09:10:003
309264799251,21cyclictest3118600-21apt-get07:35:113
309264799251,20cyclictest0-21swapper/310:05:113
309264799251,20cyclictest0-21swapper/308:00:143
309264799250,23cyclictest3215381-21/usr/sbin/munin09:10:013
309264799250,23cyclictest3215381-21/usr/sbin/munin09:10:003
309264799250,20cyclictest0-21swapper/307:20:113
3092644992522,2cyclictest0-21swapper/210:10:132
3092644992522,2cyclictest0-21swapper/209:05:132
3092644992522,2cyclictest0-21swapper/209:05:122
309264499251,21cyclictest3426870-21tr12:35:162
309264499251,20cyclictest0-21swapper/208:40:022
309264499250,23cyclictest3174430-21awk08:29:592
3092641992521,2cyclictest301rcuc/108:19:591
309264199251,21cyclictest3190310-21apt-get08:45:111
3092639992522,2cyclictest0-21swapper/009:59:560
309263999251,22cyclictest3333381-21apt-get11:05:110
309263999250,23cyclictest3328295-21taskset11:00:120
3092647992420,2cyclictest3364623-21apt-get11:35:113
309264799241,3cyclictest3117426-21ntpq07:30:203
309264799241,2cyclictest3226585-21apt-get09:20:113
309264799241,21cyclictest3295022-21sort10:25:173
309264799241,20cyclictest3185283-21apt-get08:40:113
309264799241,20cyclictest0-21swapper/312:15:113
309264799240,22cyclictest3328008-21cron11:00:003
309264799240,20cyclictest0-21swapper/307:45:133
309264499243,2cyclictest0-21swapper/207:10:172
3092644992420,2cyclictest3236692-21apt-get09:30:112
309264499241,21cyclictest0-21swapper/208:10:022
309264499241,20cyclictest3380276-21apt-get11:50:122
309264499241,20cyclictest3241769-21apt-get09:35:112
309264499240,22cyclictest3252370-21ps09:45:162
309263999241,21cyclictest3405692-21apt-get12:15:110
309263999241,21cyclictest3272519-21apt-get10:05:110
309263999240,1cyclictest0-21swapper/012:30:110
3092647992319,2cyclictest3301753-21ntpq10:30:203
3092647992319,2cyclictest3235520-21ntpq09:25:203
3092647992319,2cyclictest0-21swapper/312:00:223
3092647992319,2cyclictest0-21swapper/310:20:113
3092647992319,2cyclictest0-21swapper/310:15:123
3092647992318,3cyclictest3415848-21apt-get12:25:113
3092647992318,3cyclictest3134718-21sort07:50:153
309264799231,2cyclictest3328292-21apt-get11:00:133
309264799231,2cyclictest3149433-21apt-get08:05:103
309264799231,20cyclictest3348752-21munin-run11:20:003
309264799230,3cyclictest3242261-21cut09:35:163
309264799230,20cyclictest0-21swapper/312:20:133
309264799230,20cyclictest0-21swapper/310:45:133
309264799230,20cyclictest0-21swapper/307:25:113
309264499236,6cyclictest3292587-21sed10:25:002
309264499236,5cyclictest3134124-21latency_hist07:50:012
309264499233,7cyclictest3394651-21wc12:00:242
309264499233,7cyclictest3273937-21cut10:05:162
3092644992319,2cyclictest3318165-21apt-get10:50:122
3092644992318,3cyclictest0-21swapper/211:45:012
309264499231,2cyclictest3328021-21sh11:00:002
309264499231,20cyclictest0-21swapper/207:55:102
309264499231,19cyclictest0-21swapper/209:25:112
309264499230,20cyclictest0-21swapper/212:10:112
309264499230,20cyclictest0-21swapper/211:15:132
3092641992320,2cyclictest3144339-21apt-get08:00:131
3092641992318,3cyclictest3287751-21apt-get10:20:121
309264199231,21cyclictest3123654-21apt-get07:40:121
309264199230,3cyclictest3220981-21grep09:15:001
309263999232,20cyclictest3297866-21apt-get10:30:120
3092639992319,2cyclictest3092859-21apt-get07:10:110
3092639992318,4cyclictest3416330-21irqcore12:25:160
3092639992318,3cyclictest3347876-21ntpq11:15:220
309263999231,2cyclictest3390488-21apt-get12:00:130
309263999231,2cyclictest3200418-21apt-get08:55:120
309263999231,2cyclictest3169652-21apt-get08:25:100
309263999231,21cyclictest3363509-21ntpq11:30:220
309263999231,20cyclictest3426381-21apt-get12:35:130
309263999231,20cyclictest3323232-21apt-get10:55:120
309263999231,19cyclictest0-21swapper/011:25:120
309263999230,21cyclictest3415565-21cron12:25:000
3092647992217,4cyclictest3236859-21/usr/sbin/munin09:30:133
3092647992217,3cyclictest3354087-21apt-get11:25:133
309264799221,20cyclictest0-21swapper/307:55:193
309264799221,1cyclictest0-21swapper/311:55:113
309264799221,1cyclictest0-21swapper/311:55:113
309264799221,18cyclictest0-21swapper/308:55:113
309264799220,2cyclictest3353812-21awk11:24:593
309264799220,2cyclictest0-21swapper/309:40:133
309264799220,2cyclictest0-21swapper/309:15:033
309264799220,2cyclictest0-21swapper/309:15:023
309264499225,6cyclictest3415910-21grep12:25:122
309264499224,7cyclictest3376666-21grep11:45:172
309264499223,7cyclictest3152827-21cut08:05:172
3092644992220,1cyclictest0-21swapper/210:25:122
3092644992219,2cyclictest401ktimers/208:40:002
3092644992219,2cyclictest0-21swapper/209:10:122
3092644992219,1cyclictest0-21swapper/207:40:122
309264499221,2cyclictest0-21swapper/207:15:212
309264499220,20cyclictest0-21swapper/211:05:102
309264499220,20cyclictest0-21swapper/211:00:122
309264499220,19cyclictest3421325-21apt-get12:30:102
309264199222,1cyclictest3369694-21apt-get11:40:131
3092641992219,2cyclictest3164621-21apt-get08:20:111
309264199221,2cyclictest702-21runrttasks12:30:151
309264199221,20cyclictest3174704-21apt-get08:30:081
309264199221,19cyclictest261-21systemd-journal08:59:591
309264199220,20cyclictest3349020-21chrt11:20:121
3092639992219,1cyclictest0-21swapper/011:55:120
3092639992219,1cyclictest0-21swapper/011:55:110
3092639992219,1cyclictest0-21swapper/008:20:110
309263999221,20cyclictest3292797-21apt-get10:25:110
309263999221,20cyclictest3210289-21cron09:04:590
309263999221,20cyclictest0-21swapper/007:40:130
309263999220,2cyclictest0-21swapper/007:55:100
309263999220,21cyclictest3158857-21unixbench_singl08:10:260
3092647992119,1cyclictest0-21swapper/311:45:003
3092647992119,1cyclictest0-21swapper/308:25:113
3092647992118,2cyclictest64-21kcompactd011:14:593
3092647992118,2cyclictest3338217-21sh11:09:593
3092647992118,2cyclictest0-21swapper/310:50:123
3092647992118,1cyclictest3256906-21apt-get09:50:113
3092647992117,2cyclictest3093348-21irqcore07:10:153
3092647992116,4cyclictest3405411-21cron12:15:003
309264799211,1cyclictest3395585-21apt-get12:05:113
309264799210,2cyclictest0-21swapper/308:20:203
309264799210,20cyclictest64-21kcompactd011:32:433
309264499215,5cyclictest3414695-21ld12:20:222
309264499215,5cyclictest3409579-21ntpq12:15:192
309264499215,5cyclictest3256619-21cron09:50:002
309264499215,5cyclictest3221543-21cat09:15:112
309264499215,5cyclictest3221543-21cat09:15:102
309264499215,5cyclictest3204098-21cat08:55:182
309264499214,6cyclictest3351233-21sshd11:20:172
309264499214,5cyclictest3397811-21cut12:05:172
309264499214,5cyclictest3386607-21grep11:55:162
309264499214,5cyclictest3386607-21grep11:55:162
309264499213,7cyclictest3226735-21df09:20:122
309264499213,7cyclictest3162394-21grep08:15:182
309264499213,6cyclictest3247740-21grep09:40:172
309264499213,5cyclictest3122305-21sed07:35:182
3092644992119,1cyclictest0-21swapper/211:10:142
3092644992119,1cyclictest0-21swapper/207:20:122
3092644992117,2cyclictest0-21swapper/207:50:112
309264499210,2cyclictest0-21swapper/209:04:522
3092641992119,1cyclictest0-21swapper/112:00:131
3092641992119,1cyclictest0-21swapper/110:55:131
3092641992119,1cyclictest0-21swapper/108:10:131
3092641992118,2cyclictest301rcuc/111:25:161
3092641992116,4cyclictest1-21systemd09:55:001
309264199211,1cyclictest0-21swapper/112:15:121
309264199210,3cyclictest3129676-21grep07:45:151
309264199210,20cyclictest64-21kcompactd011:08:321
309264199210,20cyclictest0-21swapper/108:26:421
309264199210,19cyclictest3250712-21seq09:40:211
3092639992119,1cyclictest64-21kcompactd007:21:400
3092639992119,1cyclictest0-21swapper/009:15:110
3092639992119,1cyclictest0-21swapper/009:15:110
3092639992119,1cyclictest0-21swapper/008:51:590
3092639992119,1cyclictest0-21swapper/007:50:120
3092639992116,3cyclictest3129176-21apt-get07:45:110
309263999210,2cyclictest0-21swapper/010:45:120
309263999210,2cyclictest0-21swapper/010:15:130
309263999210,20cyclictest0-21swapper/011:50:120
309263999210,20cyclictest0-21swapper/009:20:110
309263999210,20cyclictest0-21swapper/008:34:140
3092647992018,1cyclictest0-21swapper/312:35:123
3092647992017,2cyclictest3421813-21irqcore12:30:153
309264799200,19cyclictest0-21swapper/310:00:113
309264499205,5cyclictest3190925-21sed08:45:152
309264499204,5cyclictest3262090-21awk09:55:012
309264499204,5cyclictest3116140-21kthreadcore07:30:172
309264499203,6cyclictest3195651-21fschecks_time08:50:152
309264499203,5cyclictest3362590-21cut11:30:182
3092644992018,1cyclictest3092651-21latency_hist07:10:002
3092644992018,1cyclictest0-21swapper/210:30:122
309264499200,1cyclictest0-21swapper/208:30:092
3092641992018,1cyclictest0-21swapper/112:05:101
3092641992018,1cyclictest0-21swapper/111:35:121
3092641992018,1cyclictest0-21swapper/108:35:131
3092641992018,1cyclictest0-21swapper/107:25:111
3092641992017,2cyclictest0-21swapper/107:50:121
3092641992015,1cyclictest191rcu_preempt09:15:231
3092641992015,1cyclictest191rcu_preempt09:15:231
309264199200,2cyclictest3215373-21latency_hist09:10:011
309264199200,2cyclictest3215373-21latency_hist09:10:001
309264199200,1cyclictest0-21swapper/112:10:111
309264199200,1cyclictest0-21swapper/110:30:201
309264199200,1cyclictest0-21swapper/110:15:121
309264199200,1cyclictest0-21swapper/109:45:121
309264199200,1cyclictest0-21swapper/109:20:111
309264199200,19cyclictest0-21swapper/110:10:181
309264199200,19cyclictest0-21swapper/109:00:111
309264199200,19cyclictest0-21swapper/108:50:121
309264199200,19cyclictest0-21swapper/107:15:111
3092639992018,1cyclictest0-21swapper/008:15:120
3092639992018,1cyclictest0-21swapper/008:00:130
3092639992017,2cyclictest514-21in:imuxsock10:40:010
3092639992017,2cyclictest3149928-21ps08:05:150
3092639992017,2cyclictest0-21swapper/008:49:590
3092639992016,3cyclictest3114054-21grep07:30:150
3092639992016,2cyclictest3267427-21apt-get10:00:130
309263999200,1cyclictest0-21swapper/012:10:110
309263999200,1cyclictest0-21swapper/012:05:110
309263999200,1cyclictest0-21swapper/011:20:120
309263999200,1cyclictest0-21swapper/011:10:130
309263999200,1cyclictest0-21swapper/009:52:110
309263999200,1cyclictest0-21swapper/009:45:120
309263999200,1cyclictest0-21swapper/009:10:130
309263999200,1cyclictest0-21swapper/008:40:110
309263999200,1cyclictest0-21swapper/007:25:110
309263999200,19cyclictest0-21swapper/009:33:230
309263999200,18cyclictest0-21swapper/007:35:120
3092647991917,1cyclictest3205471-21apt-get09:00:123
3092647991916,2cyclictest64-21kcompactd010:13:423
3092647991916,2cyclictest261-21systemd-journal08:35:003
3092647991916,2cyclictest0-21swapper/310:35:103
3092641991918,0cyclictest0-21swapper/110:00:121
3092641991917,1cyclictest3113568-21apt-get07:30:111
3092641991917,1cyclictest0-21swapper/110:08:181
3092641991917,1cyclictest0-21swapper/109:35:121
3092641991917,1cyclictest0-21swapper/107:10:111
3092641991911,1cyclictest191rcu_preempt08:05:171
3092641991910,1cyclictest191rcu_preempt11:10:201
309264199190,1cyclictest0-21swapper/110:50:131
309264199190,1cyclictest0-21swapper/108:40:121
309264199190,1cyclictest0-21swapper/107:22:441
309264199190,19cyclictest0-21swapper/112:21:051
3092639991917,1cyclictest0-21swapper/009:39:170
3092639991916,2cyclictest0-21swapper/010:10:120
3092639991915,2cyclictest3374479-21cron11:44:590
309263999191,17cyclictest3369430-21turbostat11:40:000
3092647991815,2cyclictest3159288-21idleruntime-cro08:14:593
3092647991815,1cyclictest0-21swapper/307:40:173
3092647991813,3cyclictest3190314-21taskset08:45:123
309264499185,4cyclictest3286144-21cut10:15:182
3092641991816,1cyclictest3308489-21grep10:40:161
3092641991816,1cyclictest301rcuc/111:15:181
3092641991816,1cyclictest0-21swapper/112:25:121
3092641991816,1cyclictest0-21swapper/111:50:111
3092641991816,1cyclictest0-21swapper/109:25:121
3092641991815,2cyclictest3293746-21sed10:25:171
309263999180,0cyclictest0-21swapper/009:07:350
309263999180,0cyclictest0-21swapper/009:07:350
3092639991715,1cyclictest0-21swapper/007:15:110
3092647991611,3cyclictest3163894-21grep08:15:263
3092641991614,1cyclictest3389359-21ntpq11:55:211
3092641991614,1cyclictest3389359-21ntpq11:55:201
3092641991614,1cyclictest3363500-21ntpq11:30:221
3092641991614,1cyclictest3139280-21apt-get07:55:101
3092641991614,1cyclictest301rcuc/110:45:251
3092641991614,1cyclictest0-21swapper/111:00:121
3092641991613,2cyclictest3266292-21grep09:55:211
309264199160,5cyclictest3239628-21kthreadcore09:30:181
3092639991614,1cyclictest0-21swapper/011:47:460
3092639991614,1cyclictest0-21swapper/010:40:110
3092644991511,3cyclictest3308502-21irqcore10:40:162
309264199158,1cyclictest191rcu_preempt11:45:161
3092639991512,2cyclictest61650irq/133-enp0s29f1:rx-010:20:030
3092639991511,3cyclictest61650irq/133-enp0s29f1:rx-010:50:170
3092639991511,3cyclictest3235454-21needreboot09:25:190
309264199149,1cyclictest191rcu_preempt10:35:151
309263999147,5cyclictest1-21systemd09:45:010
309264199136,2cyclictest191rcu_preempt07:35:141
309264799120,4cyclictest3092658-21cat07:10:003
30926399995,2cyclictest0-21swapper/007:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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