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2025-11-21 - 21:05
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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 Fri Nov 21, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3572845994745,1cyclictest3841739-21fwupd11:03:130
3572851992927,1cyclictest3520054-21kworker/2:2+pm11:03:142
357285399271,23cyclictest0-21swapper/307:25:103
357285199270,25cyclictest3635224-21sed08:10:142
3572845992724,2cyclictest521-21systemd-logind12:25:000
357285399262,20cyclictest3624315-21apt-get08:00:133
357285399261,23cyclictest3798750-21taskset10:30:143
357285399261,22cyclictest3654826-21taskset08:30:133
357285399261,22cyclictest3654826-21taskset08:30:123
357285399261,21cyclictest3747970-21apt-get09:50:123
357285399260,23cyclictest0-21swapper/308:20:123
357284599263,3cyclictest3950282-21sh12:30:150
357285399252,20cyclictest3880466-21apt-get11:35:123
357285399251,2cyclictest0-21swapper/309:15:103
357285399251,22cyclictest0-21swapper/310:15:123
357285399251,21cyclictest0-21swapper/309:45:113
357285399250,5cyclictest3660833-21tr08:35:163
357285399250,4cyclictest3948258-21ssh12:25:243
357285399250,2cyclictest0-21swapper/308:40:133
357285399250,23cyclictest3608383-21cron07:45:003
357285399250,22cyclictest3956347-21ssh12:35:103
3572851992521,3cyclictest3786196-21apt-get10:20:132
3572851992519,5cyclictest3874492-21gltestperf11:30:142
3572851992519,4cyclictest459603-21sshd09:55:202
357285199251,23cyclictest3706690-21sshd09:15:212
357284799251,21cyclictest3855265-21ssh11:15:111
3572845992522,2cyclictest3608384-21cron07:44:590
3572853992419,3cyclictest3773192-21apt-get10:10:113
3572853992418,3cyclictest3855267-21ssh11:15:113
357285399241,2cyclictest0-21swapper/309:10:043
357285399241,21cyclictest3924077-21ssh12:10:003
357285399241,21cyclictest3915929-21ssh12:00:223
357285399241,21cyclictest3836490-21diskstats11:00:153
357285399241,20cyclictest3696041-21diskmemload11:54:493
357285399241,20cyclictest0-21swapper/310:25:113
357285399241,20cyclictest0-21swapper/309:35:023
357285399241,20cyclictest0-21swapper/309:00:113
357285399241,20cyclictest0-21swapper/307:46:033
357285399240,2cyclictest3910464-21ssh11:56:303
357285399240,21cyclictest3696041-21diskmemload12:24:333
357285399240,21cyclictest0-21swapper/310:00:113
357285399240,20cyclictest0-21swapper/307:20:103
357285199242,20cyclictest0-21swapper/207:59:592
3572851992419,3cyclictest3811247-21apt-get10:40:142
357285199241,2cyclictest3691208-21apt-get09:05:162
357285199241,21cyclictest3805490-21ps10:35:162
357285199241,21cyclictest3654823-21apt-get08:30:132
357285199241,21cyclictest3654823-21apt-get08:30:122
357285199240,22cyclictest3634235-21cron08:09:592
357285199240,21cyclictest0-21swapper/207:10:132
357284799241,2cyclictest3619214-21apt-get07:55:101
357284799241,21cyclictest3842646-21apt-get11:05:121
357284799241,21cyclictest3842646-21apt-get11:05:121
357284799241,21cyclictest3792439-21apt-get10:25:111
357284799240,4cyclictest3660831-21sed08:35:151
357284799240,3cyclictest3823955-21ssh10:50:141
357284799240,22cyclictest3887489-21irqcore11:40:171
357284799240,22cyclictest3760564-21ssh10:00:111
357284799240,22cyclictest3696041-21diskmemload10:45:121
357284799240,22cyclictest0-21swapper/112:00:121
357284799240,21cyclictest3924081-21cron12:10:001
357284799240,21cyclictest0-21swapper/109:10:101
357284799240,20cyclictest0-21swapper/109:20:191
357284599242,2cyclictest3649745-21apt-get08:25:110
3572845992421,2cyclictest3471731-21systemd-journal08:54:590
3572845992419,3cyclictest3865679-21ntpq11:20:230
3572845992419,3cyclictest3741617-21apt-get09:45:120
3572845992418,4cyclictest3912568-21irqcore12:00:170
357284599241,3cyclictest3696041-21diskmemload12:10:100
357284599241,21cyclictest3880153-21latency_hist11:35:000
357284599241,21cyclictest3734901-21apt-get09:40:140
3572853992319,2cyclictest3696041-21diskmemload10:40:163
3572853992319,2cyclictest0-21swapper/309:31:203
3572853992319,2cyclictest0-21swapper/307:35:173
357285399231,2cyclictest3930720-21apt-get12:15:133
357285399231,2cyclictest0-21swapper/311:20:343
357285399231,2cyclictest0-21swapper/309:27:143
357285399231,2cyclictest0-21swapper/307:55:113
357285399231,21cyclictest3713024-21ntp_states09:20:213
357285399231,21cyclictest3696041-21diskmemload11:40:173
357285399231,20cyclictest3696041-21diskmemload09:40:173
357285399231,20cyclictest0-21swapper/310:20:023
357285399230,4cyclictest3823953-21sh10:50:143
357285399230,20cyclictest0-21swapper/312:10:133
357285399230,20cyclictest0-21swapper/310:45:123
357285399230,20cyclictest0-21swapper/310:05:143
357285399230,1cyclictest0-21swapper/308:07:003
3572851992319,3cyclictest3960338-21ntpq12:35:192
3572851992318,4cyclictest3854388-21ssh11:13:182
3572851992318,3cyclictest3719614-21ssh09:25:202
3572851992316,5cyclictest3671414-21irqcore08:45:172
357285199231,2cyclictest3696041-21diskmemload09:14:192
357285199231,2cyclictest3639614-21apt-get08:15:142
357285199231,21cyclictest3598511-21apt-get07:35:122
357285199231,21cyclictest0-21swapper/208:35:122
357285199231,20cyclictest3696041-21diskmemload11:45:472
357285199231,20cyclictest3696041-21diskmemload11:43:362
357285199231,20cyclictest3696041-21diskmemload09:45:062
357285199231,20cyclictest3696041-21diskmemload09:42:322
357285199230,3cyclictest3779835-21gltestperf10:15:152
357285199230,3cyclictest3696041-21diskmemload11:54:512
357285199230,22cyclictest3578601-21tr07:15:172
3572847992319,2cyclictest3836320-21apt-get11:00:141
3572847992317,5cyclictest3726687-21taskset09:31:211
357284799231,2cyclictest3696041-21diskmemload10:09:351
357284799231,21cyclictest3696041-21diskmemload09:46:531
357284799231,20cyclictest3696041-21diskmemload10:17:511
357284799231,20cyclictest3675974-21apt-get08:50:111
357284799231,19cyclictest3696041-21diskmemload12:32:031
357284799230,3cyclictest3835223-21ssh10:57:351
357284799230,22cyclictest3803721-21ssh10:32:021
357284799230,21cyclictest3608388-21idleruntime-cro07:44:591
357284799230,20cyclictest0-21swapper/112:10:161
357284799230,20cyclictest0-21swapper/108:20:131
357284799230,19cyclictest3719678-21ssh09:25:211
357284799230,19cyclictest3696041-21diskmemload11:45:161
357284799230,19cyclictest3696041-21diskmemload11:38:031
357284799230,19cyclictest0-21swapper/109:50:091
357284799230,19cyclictest0-21swapper/107:25:091
3572845992320,2cyclictest3830066-21apt-get10:55:120
3572845992320,2cyclictest3790168-21ntpq10:20:210
3572845992319,3cyclictest3823091-21ssh10:48:500
3572845992319,2cyclictest3644670-21apt-get08:20:130
3572845992317,5cyclictest3772874-21sh10:09:590
3572845992317,4cyclictest3849441-21grep11:10:150
357284599231,2cyclictest3899278-21apt-get11:50:110
357284599231,2cyclictest3855258-21apt-get11:15:110
357284599231,2cyclictest3696041-21diskmemload11:43:070
357284599231,2cyclictest3696041-21diskmemload10:36:470
357284599231,2cyclictest3588261-21apt-get07:25:090
357284599231,21cyclictest3884491-21ntpq11:35:210
357284599231,21cyclictest3696041-21diskmemload12:18:220
357284599231,21cyclictest3696041-21diskmemload11:46:010
357284599231,20cyclictest3905582-21apt-get11:55:110
357284599230,22cyclictest3923737-21ssh12:08:550
357284599230,22cyclictest3802792-21nvmesmart_nvme010:30:240
357284599230,22cyclictest3664227-21/usr/sbin/munin08:35:190
357284599230,20cyclictest3696041-21diskmemload10:15:010
3572853992219,2cyclictest64-21kcompactd008:14:333
3572853992219,2cyclictest3696041-21diskmemload11:10:573
3572853992219,2cyclictest0-21swapper/308:57:333
3572853992218,3cyclictest3760022-21ssh09:59:203
3572853992218,3cyclictest0-21swapper/310:55:123
3572853992218,2cyclictest0-21swapper/307:14:523
357285399221,2cyclictest0-21swapper/311:30:113
357285399221,2cyclictest0-21swapper/311:26:053
357285399221,1cyclictest0-21swapper/311:05:123
357285399221,1cyclictest0-21swapper/311:05:123
3572851992219,2cyclictest3721897-21ssh09:30:112
3572851992219,2cyclictest3696041-21diskmemload10:26:292
3572851992219,2cyclictest3696041-21diskmemload10:13:242
3572851992219,2cyclictest0-21swapper/211:27:392
3572851992219,2cyclictest0-21swapper/210:06:252
3572851992219,2cyclictest0-21swapper/209:35:122
3572851992219,2cyclictest0-21swapper/208:00:132
3572851992218,2cyclictest3696041-21diskmemload11:15:112
357285199221,20cyclictest3696041-21diskmemload12:06:012
357285199221,20cyclictest3696041-21diskmemload10:53:152
357285199221,20cyclictest3696041-21diskmemload10:45:532
357285199221,20cyclictest0-21swapper/212:12:132
357285199221,20cyclictest0-21swapper/211:35:392
357285199221,20cyclictest0-21swapper/211:20:102
357285199221,20cyclictest0-21swapper/211:07:552
357285199221,20cyclictest0-21swapper/211:07:552
357285199221,19cyclictest0-21swapper/209:50:022
357285199220,3cyclictest3911091-21ssh11:58:332
357285199220,3cyclictest3614218-21irqcore07:50:162
357285199220,2cyclictest3942054-21chrt12:22:022
357285199220,2cyclictest3696041-21diskmemload10:02:482
357285199220,2cyclictest3645171-21irqcore08:20:172
357285199220,2cyclictest3613436-21cron07:50:002
357285199220,2cyclictest0-21swapper/207:25:092
357285199220,19cyclictest0-21swapper/212:04:382
3572847992219,2cyclictest3696041-21diskmemload12:22:341
3572847992219,2cyclictest3696041-21diskmemload10:44:301
3572847992219,2cyclictest3670219-21cron08:45:001
3572847992219,2cyclictest3633358-21ntpq08:05:181
3572847992219,2cyclictest0-21swapper/109:40:081
3572847992218,3cyclictest3708385-21ssh09:19:191
3572847992218,2cyclictest3943706-21apt-get12:25:111
3572847992218,2cyclictest3773196-21ssh10:10:111
3572847992218,2cyclictest3654560-21munin-run08:29:591
3572847992218,2cyclictest0-21swapper/108:45:141
357284799220,21cyclictest64-21kcompactd007:46:031
357284799220,21cyclictest3809753-21ssh10:36:171
357284799220,20cyclictest3786116-21ssh10:20:011
357284799220,20cyclictest0-21swapper/109:35:111
357284799220,20cyclictest0-21swapper/108:30:131
357284799220,20cyclictest0-21swapper/108:30:131
357284799220,1cyclictest0-21swapper/111:30:121
357284799220,1cyclictest0-21swapper/111:20:131
357284799220,1cyclictest0-21swapper/111:11:011
357284799220,1cyclictest0-21swapper/107:34:131
357284799220,19cyclictest0-21swapper/112:35:101
357284799220,19cyclictest0-21swapper/107:50:131
3572845992220,1cyclictest0-21swapper/008:45:010
3572845992219,2cyclictest3696041-21diskmemload09:35:170
3572845992218,3cyclictest3621452-21kthreadcore07:55:160
357284599221,2cyclictest3721889-21apt-get09:30:120
357284599221,20cyclictest3867886-21apt-get11:25:110
357284599221,20cyclictest3696041-21diskmemload12:26:080
357284599221,20cyclictest3696041-21diskmemload09:27:280
357284599221,20cyclictest3696041-21diskmemload09:22:050
357284599221,1cyclictest3823790-21apt-get10:50:130
357284599221,1cyclictest3696041-21diskmemload09:59:060
357284599221,1cyclictest0-21swapper/012:35:190
357284599221,19cyclictest3696041-21diskmemload10:42:130
357284599220,3cyclictest245621450irq/127-enp0s29f1:rx-010:25:160
357284599220,2cyclictest3708617-21cron09:20:000
357284599220,21cyclictest3696041-21diskmemload10:02:010
357284599220,21cyclictest3686626-21grep09:00:160
3572853992118,2cyclictest0-21swapper/307:17:013
3572853992118,1cyclictest0-21swapper/312:30:053
3572853992116,2cyclictest3653655-21sshd08:25:213
357285399210,2cyclictest3809001-21ntpq10:35:213
357285399210,2cyclictest0-21swapper/307:50:123
357285399210,1cyclictest0-21swapper/311:45:163
3572851992119,1cyclictest0-21swapper/212:30:162
3572851992119,1cyclictest0-21swapper/207:20:462
3572851992118,2cyclictest3943706-21apt-get12:25:112
3572851992118,2cyclictest3830579-21ps10:55:162
357285199211,19cyclictest0-21swapper/207:30:112
357285199210,2cyclictest3708937-21ssh09:20:112
357285199210,20cyclictest3696041-21diskmemload12:17:042
357285199210,20cyclictest0-21swapper/209:00:212
357285199210,1cyclictest0-21swapper/208:50:132
3572847992118,2cyclictest0-21swapper/112:15:221
3572847992118,2cyclictest0-21swapper/111:50:191
3572847992117,3cyclictest0-21swapper/111:55:101
357284799210,2cyclictest0-21swapper/107:20:101
357284799210,1cyclictest64-21kcompactd011:26:491
357284799210,19cyclictest64-21kcompactd007:15:241
357284799210,19cyclictest3603338-21basename07:40:001
357284799210,19cyclictest0-21swapper/109:55:401
357284799210,19cyclictest0-21swapper/108:15:201
357284799210,18cyclictest3628287-21ntpq08:00:221
3572845992119,1cyclictest3595638-21ps07:30:170
3572845992118,2cyclictest3696041-21diskmemload09:10:160
357284599211,1cyclictest3696041-21diskmemload10:10:120
357284599211,1cyclictest0-21swapper/009:50:110
357284599211,19cyclictest0-21swapper/011:07:400
357284599211,19cyclictest0-21swapper/011:07:400
357284599210,20cyclictest0-21swapper/009:05:150
357284599210,20cyclictest0-21swapper/008:55:130
3572853992018,1cyclictest0-21swapper/308:50:123
3572853992017,2cyclictest0-21swapper/308:45:123
357285399200,2cyclictest0-21swapper/307:34:133
357285399200,1cyclictest0-21swapper/308:15:203
3572851992018,1cyclictest0-21swapper/207:40:232
3572847992016,2cyclictest3686125-21apt-get09:00:121
3572845992018,1cyclictest0-21swapper/008:30:130
3572845992018,1cyclictest0-21swapper/008:30:130
3572845992017,2cyclictest64-21kcompactd007:10:330
3572845992017,2cyclictest3582097-21nvmesmart_nvme007:15:230
3572853991917,1cyclictest0-21swapper/309:08:193
3572851991917,1cyclictest0-21swapper/208:28:312
3572847991917,1cyclictest0-21swapper/108:57:331
3572847991916,1cyclictest0-21swapper/107:14:511
3572845991917,1cyclictest0-21swapper/008:10:100
3572845991917,1cyclictest0-21swapper/008:09:430
3572845991917,1cyclictest0-21swapper/007:35:130
3572847991817,1cyclictest0-21swapper/108:14:321
3572847991816,1cyclictest0-21swapper/109:08:181
3572845991816,1cyclictest0-21swapper/008:15:140
3572851991614,1cyclictest0-21swapper/208:55:132
3572845991513,1cyclictest245621450irq/127-enp0s29f1:rx-007:50:120
3572845991513,1cyclictest0-21swapper/008:01:390
3572845991512,2cyclictest245621450irq/127-enp0s29f1:rx-007:47:380
3572845991412,1cyclictest0-21swapper/008:45:200
35728539994,3cyclictest3572949-21latency_hist07:10:003
35728459982,4cyclictest3572886-21cat07:10:010
35728519971,3cyclictest0-21swapper/207:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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