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2025-11-05 - 00:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rackcslot4.osadl.org (updated Tue Nov 04, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35012142266189,28sleep10-21swapper/107:07:371
35011332264188,27sleep00-21swapper/007:06:430
125899690,3rtkit-daemon1257-21rtkit-daemon07:30:291
36737442550,5sleep00-21swapper/011:47:280
36181372510,4sleep03618136-21seq10:35:200
125899460,3rtkit-daemon0-21swapper/112:31:421
35289022450,3sleep00-21swapper/008:15:170
125899450,3rtkit-daemon0-21swapper/107:47:581
36049572440,5sleep10-21swapper/110:17:551
125899420,3rtkit-daemon0-21swapper/109:48:501
35751492400,4sleep03575154-21cpuspeed_turbos09:40:160
37075392380,2sleep00-21swapper/012:31:010
36034192370,3sleep03603422-21switchtime10:15:240
3501555993733,2cyclictest3500097-21kworker/u8:207:20:211
125899370,7rtkit-daemon3512832-21df_inode07:35:160
350155599330,2cyclictest0-21swapper/112:10:161
3501547993115,10cyclictest3545288-21apt-get08:55:160
3501555992819,5cyclictest3698599-40apt-check12:20:181
3501547992825,2cyclictest63750irq/132-enp2s009:08:100
125899280,20rtkit-daemon3703901-21ssh12:25:411
3501555992725,1cyclictest0-21swapper/111:48:221
3501555992724,2cyclictest3522802-1kworker/1:0H08:30:061
3501555992714,10cyclictest3622339-21ntp_states10:40:251
3501555992711,10cyclictest3566157-1kworker/u9:010:00:131
350154799278,3cyclictest141rcu_preempt12:10:260
3501547992713,9cyclictest3501700-21apt-get07:10:130
125899270,18rtkit-daemon0-21swapper/009:32:140
350155599268,11cyclictest3709533-21apt-get12:35:141
3501547992623,2cyclictest63750irq/132-enp2s009:36:010
350154799262,16cyclictest3520572-21apt-get07:55:100
3501547992613,8cyclictest3631426-1kworker/u9:212:00:130
125899260,7rtkit-daemon3660740-21ntp_states11:30:211
125899260,18rtkit-daemon0-21swapper/107:36:121
36683192250,6sleep00-21swapper/011:40:230
3501555992513,7cyclictest63750irq/132-enp2s010:20:171
3501555992510,11cyclictest3652141-21apt-get11:20:141
350155599250,23cyclictest3697855-21idleruntime-cro12:20:001
350154799252,15cyclictest3508671-21apt-get07:25:120
125899250,5rtkit-daemon3640689-21apt-get11:05:141
350155599243,14cyclictest3625307-21apt-get10:45:161
350155599241,4cyclictest3571946-21ntpq09:35:231
350155599241,21cyclictest3538827-21turbostat08:40:011
3501555992410,12cyclictest3550967-21latency_hist09:10:011
350154799246,3cyclictest141rcu_preempt10:25:200
350154799243,3cyclictest141rcu_preempt12:20:000
350154799243,15cyclictest3551262-21apt-get09:10:160
350154799242,15cyclictest3594128-21apt-get10:05:160
350154799241,6cyclictest3628890-21cron10:50:010
3501547992412,7cyclictest63750irq/132-enp2s010:10:130
3501547992412,10cyclictest3528594-21cron08:15:000
125899240,4rtkit-daemon3617158-21ssh10:34:141
125899240,3rtkit-daemon0-21swapper/111:10:251
125899240,3rtkit-daemon0-21swapper/011:59:520
125899240,3rtkit-daemon0-21swapper/008:32:550
35624592230,3sleep10-21swapper/109:23:591
350155599233,18cyclictest3502011-21tune2fs07:10:171
3501555992318,3cyclictest3503773-21fschecks_time07:15:021
3501555992313,6cyclictest63750irq/132-enp2s011:40:151
3501555992312,6cyclictest63750irq/132-enp2s011:55:131
3501555992312,6cyclictest63750irq/132-enp2s011:50:171
350155599230,21cyclictest3602014-21apt-config10:15:021
350154799239,9cyclictest3530785-21apt-get08:20:150
350154799232,15cyclictest3510626-21apt-get07:30:140
3501547992313,6cyclictest3550956-21diskmemload12:05:140
3501547992312,6cyclictest63750irq/132-enp2s009:55:160
3501547992312,6cyclictest63750irq/132-enp2s009:55:150
125899230,3rtkit-daemon0-21swapper/009:16:180
125899230,3rtkit-daemon0-21swapper/008:35:310
125899230,15rtkit-daemon0-21swapper/011:50:450
350155599224,2cyclictest141rcu_preempt10:27:411
350155599222,7cyclictest3663625-21apt-get11:35:141
350155599222,14cyclictest3586550-21apt-get09:55:171
350155599222,14cyclictest3586550-21apt-get09:55:161
3501555992219,2cyclictest63750irq/132-enp2s012:06:241
350155599221,3cyclictest3544373-1kworker/1:0H09:05:011
350155599221,19cyclictest3544183-21grep08:50:251
350154799224,3cyclictest141rcu_preempt11:38:140
350154799224,11cyclictest3506711-21apt-get07:20:270
350154799223,11cyclictest3582661-21apt-get09:50:180
350154799223,10cyclictest3613927-21apt-get10:30:170
350154799223,10cyclictest3514725-21apt-get07:40:150
350154799222,14cyclictest3559384-21apt-get09:20:140
350154799222,14cyclictest3518629-21apt-get07:50:170
350154799221,4cyclictest3636475-21idleruntime-cro11:00:000
350154799220,6cyclictest3637500-21needreboot11:00:200
125899220,4rtkit-daemon0-21swapper/110:06:171
125899220,3rtkit-daemon0-21swapper/009:46:120
350155599217,8cyclictest3636770-21apt-get11:00:141
350155599213,5cyclictest3617821-21apt-get10:35:161
350155599212,17cyclictest3567444-21ssh09:30:191
350155599211,9cyclictest3636236-21ssh10:59:341
350155599211,3cyclictest141rcu_preempt09:15:121
3501555992111,7cyclictest3514923-21df07:40:161
3501555992110,9cyclictest3524328-21python308:05:021
3501555992110,7cyclictest3508869-21df07:25:151
350154799216,2cyclictest141rcu_preempt08:47:040
350154799213,13cyclictest3539031-21apt-get08:40:160
350154799213,11cyclictest3629172-21apt-get10:50:140
350154799213,10cyclictest3656099-21apt-get11:25:160
350154799213,10cyclictest3563208-21apt-get09:25:150
350154799212,14cyclictest3543339-21apt-get08:50:160
350154799212,14cyclictest3522550-21apt-get08:00:140
350154799212,13cyclictest3659929-21apt-get11:30:140
350154799212,13cyclictest3644615-21apt-get11:10:150
350154799212,13cyclictest3504227-21apt-get07:15:140
3501547992113,6cyclictest672-21dbus-daemon12:20:030
3501547992112,5cyclictest3550956-21diskmemload11:20:070
125899210,5rtkit-daemon3550956-21diskmemload11:28:061
125899210,3rtkit-daemon0-21swapper/108:09:371
125899210,3rtkit-daemon0-21swapper/008:28:290
125899210,13rtkit-daemon0-21swapper/110:51:011
350155599206,11cyclictest3648328-21apt-get11:15:131
350155599201,4cyclictest66850avahi-daemon09:50:091
350155599201,17cyclictest3540767-21apt-get08:44:591
350155599200,10cyclictest3684855-21ssh12:01:571
350154799203,8cyclictest3516673-21apt-get07:45:120
350154799202,13cyclictest3547259-21apt-get09:00:130
3501547992015,3cyclictest3642859-21sh11:07:070
3501547992012,6cyclictest3713036-21systemd-run12:40:000
350154799201,13cyclictest3524909-21apt-get08:05:160
350155599196,11cyclictest0-21swapper/108:25:471
3501555991916,2cyclictest3529120-21tune2fs08:15:201
3501555991911,6cyclictest3563225-21taskset09:25:131
3501555991910,7cyclictest1-21systemd08:45:021
350154799198,3cyclictest63750irq/132-enp2s010:00:220
350154799193,9cyclictest3702440-21apt-get12:25:150
125899190,8rtkit-daemon26-21ksoftirqd/107:56:001
3501555991815,2cyclictest3528611-21munin-run08:14:591
3501555991813,3cyclictest3576980-21sh09:41:501
3501555991811,5cyclictest3555189-21sed09:15:011
3501555991811,5cyclictest3531520-21seq08:20:211
350154799182,9cyclictest3648328-21apt-get11:15:120
3501547991811,4cyclictest3550956-21diskmemload10:43:200
350155599179,6cyclictest3519123-21cat07:50:211
3501547991712,3cyclictest828-21runrttasks10:20:490
3501555991611,3cyclictest3546567-21sed08:55:251
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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