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2026-07-24 - 21:12
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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 rackeslot2.osadl.org (updated Fri Jul 24, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
397146821030,2sleep03971094-21ssh11:51:010
364083421030,2sleep30-21swapper/307:56:023
384560721020,1sleep10-21swapper/110:26:011
40153422990,2sleep20-21swapper/212:21:012
37231472870,1sleep10-21swapper/109:05:011
3580903992320,2cyclictest4011030-21systemd-run12:20:011
358090299232,16cyclictest0-21swapper/012:31:060
3580903992220,1cyclictest3580900-21cyclictest12:25:021
3580903992211,4cyclictest0-21swapper/111:55:531
3240591220,2phc2sys0-21swapper/309:54:103
3580904992118,1cyclictest0-21swapper/212:05:012
3580904992118,1cyclictest0-21swapper/210:00:012
3580903992113,4cyclictest3823315-21kthreadcore10:11:011
358090299213,12cyclictest664-21dbus-daemon07:30:020
3580902992118,2cyclictest664-21dbus-daemon11:15:020
3580902992113,7cyclictest0-21swapper/011:05:020
3580902992110,6cyclictest0-21swapper/011:46:000
3580904992018,1cyclictest0-21swapper/211:15:022
3580903992017,2cyclictest3595855-21grep07:20:021
3580904991916,2cyclictest0-21swapper/209:51:012
3580904991916,1cyclictest0-21swapper/211:05:012
3580904991916,1cyclictest0-21swapper/207:36:022
3580904991916,1cyclictest0-21swapper/207:25:002
3580903991916,2cyclictest3995947-21cron12:10:001
3580903991916,2cyclictest3840681-21systemd-run10:25:021
3580903991913,4cyclictest1-21systemd07:25:021
3580903991910,4cyclictest3782533-21fschecks_time09:45:551
358090399190,2cyclictest3619947-21munin-run07:40:001
3580902991916,2cyclictest0-21swapper/012:00:000
1157598190,4rtkit-daemon1309-21mta-sts-daemon08:13:030
3580904991816,1cyclictest0-21swapper/210:25:022
3580904991815,1cyclictest0-21swapper/212:35:582
3580904991815,1cyclictest0-21swapper/212:19:272
3580904991815,1cyclictest0-21swapper/209:25:582
358090499180,14cyclictest4033258-21turbostat12:35:012
358090399182,8cyclictest268-21systemd-journal08:55:011
3580903991815,2cyclictest664-21dbus-daemon12:05:001
3580903991815,2cyclictest4025858-21cat12:30:011
3580903991815,2cyclictest3871248-21fschecks_count10:45:551
3580903991811,1cyclictest69250irq/121-eno112:30:591
3580903991810,2cyclictest601rcuop/310:19:011
358090299189,5cyclictest0-21swapper/011:26:010
358090299189,5cyclictest0-21swapper/009:44:080
358090299188,5cyclictest0-21swapper/011:00:010
358090299187,6cyclictest0-21swapper/012:25:530
358090299182,5cyclictest491rcuog/209:35:210
3580902991815,2cyclictest3680653-21cut08:30:010
3580902991814,3cyclictest3597347-21kthreadcore07:21:010
3580902991810,7cyclictest0-21swapper/009:30:520
3580902991810,4cyclictest1309-21mta-sts-daemon09:05:530
3580902991810,2cyclictest0-21swapper/012:00:590
3580904991715,1cyclictest0-21swapper/210:16:032
3580904991715,1cyclictest0-21swapper/209:50:022
3580904991714,1cyclictest0-21swapper/210:45:012
3580904991714,1cyclictest0-21swapper/210:11:052
3580904991714,1cyclictest0-21swapper/209:30:572
358090499170,14cyclictest3929158-21chrt11:25:022
358090499170,14cyclictest3774252-21chrt09:40:052
358090399179,2cyclictest69250irq/121-eno111:35:031
3580903991714,2cyclictest684-21systemd-logind08:25:011
3580903991714,2cyclictest3929614-21/usr/sbin/munin11:26:001
3580903991714,2cyclictest3923362-21sort11:20:581
3580903991714,2cyclictest3905008-21missed_timers11:06:011
3580903991714,2cyclictest3882924-21grep10:51:041
3580903991714,2cyclictest3730440-21gltestperf09:10:561
3580903991714,2cyclictest3624149-21kthreadcore07:41:011
3580903991711,5cyclictest3626360-21apt-get07:45:521
358090299178,2cyclictest0-21swapper/011:34:000
358090299177,5cyclictest0-21swapper/010:30:020
358090299176,6cyclictest0-21swapper/010:35:510
358090299175,2cyclictest191rcu_preempt12:17:190
358090299172,5cyclictest491rcuog/209:50:290
358090299171,9cyclictest0-21swapper/010:50:530
3580902991714,2cyclictest759-1atopacctd11:06:030
3580902991710,6cyclictest0-21swapper/011:45:010
358090299170,11cyclictest4003380-21basename12:15:000
3240591171,2phc2sys0-21swapper/312:06:493
3240591170,4phc2sys0-21swapper/311:03:443
3240591170,2phc2sys0-21swapper/310:05:083
37875882160,1sleep00-21swapper/009:46:480
358090499163,8cyclictest0-21swapper/207:30:522
358090499162,9cyclictest0-21swapper/207:10:022
3580904991614,1cyclictest0-21swapper/210:50:532
3580904991613,2cyclictest0-21swapper/211:05:502
3580904991613,1cyclictest0-21swapper/211:55:412
3580904991613,1cyclictest0-21swapper/209:40:012
3580904991613,1cyclictest0-21swapper/209:16:002
3580904991613,1cyclictest0-21swapper/208:35:012
3580904991613,1cyclictest0-21swapper/208:25:032
3580904991613,1cyclictest0-21swapper/207:10:552
3580904991611,3cyclictest0-21swapper/210:00:532
358090499160,13cyclictest3996267-21chrt12:10:032
358090499160,13cyclictest3973524-21taskset11:55:002
358090499160,13cyclictest3862704-21chrt10:40:012
358090499160,13cyclictest3698983-21taskset08:45:022
358090499160,13cyclictest3668594-21chrt08:20:012
358090399166,3cyclictest501rcuop/212:36:411
358090399166,3cyclictest501rcuop/212:13:371
358090399166,3cyclictest501rcuop/211:45:351
358090399166,3cyclictest501rcuop/211:38:501
358090399166,3cyclictest501rcuop/211:38:501
358090399166,3cyclictest501rcuop/209:40:501
358090399165,3cyclictest3895654-21kthreadcore11:01:011
3580903991613,2cyclictest838-21gmain10:55:061
3580903991613,2cyclictest684-21systemd-logind07:55:021
3580903991613,2cyclictest3921906-21cut11:20:021
3580903991613,2cyclictest3907744-21aten2.4-expect11:10:531
3580903991613,2cyclictest3749944-21switchtime09:21:061
3580903991613,2cyclictest3650291-21systemd-run08:05:011
3580903991613,2cyclictest1307-21mta-sts-daemon09:28:381
3580903991612,3cyclictest3639206-21gltestperf07:55:591
3580903991612,3cyclictest1306-21mta-sts-daemon10:00:431
3580903991611,4cyclictest3953327-21kthreadcore11:40:591
358090299162,9cyclictest4038064-21tr12:36:000
3580902991614,1cyclictest3650292-21md.daily08:05:010
3580902991613,2cyclictest3949025-21kthreadcore11:36:000
3580902991613,2cyclictest3949025-21kthreadcore11:36:000
3580902991613,2cyclictest3758728-21sh09:29:280
3580902991613,1cyclictest0-21swapper/010:20:010
3240591160,2phc2sys0-21swapper/312:25:203
3240591160,2phc2sys0-21swapper/311:46:203
3240591160,2phc2sys0-21swapper/311:06:333
3240591160,2phc2sys0-21swapper/309:56:333
3240591160,1phc2sys0-21swapper/311:53:303
358090499151,4cyclictest0-21swapper/208:15:022
3580904991513,1cyclictest0-21swapper/208:25:532
3580904991512,1cyclictest0-21swapper/212:06:002
3580904991512,1cyclictest0-21swapper/211:48:532
3580904991512,1cyclictest0-21swapper/211:35:022
3580904991512,1cyclictest0-21swapper/210:05:562
3580904991512,1cyclictest0-21swapper/209:05:592
3580904991512,1cyclictest0-21swapper/208:56:002
3580904991512,1cyclictest0-21swapper/208:56:002
3580904991512,1cyclictest0-21swapper/208:10:012
358090499151,11cyclictest3705144-21chrt08:50:032
358090499150,13cyclictest3847834-21chrt10:29:592
358090499150,12cyclictest3951738-21chrt11:40:052
358090499150,12cyclictest3944310-21chrt11:35:042
358090499150,12cyclictest3944310-21chrt11:35:042
358090499150,12cyclictest3885129-21chrt10:55:042
358090499150,12cyclictest3855222-21chrt10:34:562
358090499150,12cyclictest3729426-21chrt09:10:032
358090499150,12cyclictest3692738-21chrt08:39:572
358090499150,12cyclictest3632341-21chrt07:50:042
358090499150,12cyclictest3632023-21chrt07:49:562
358090499150,12cyclictest3625949-21chrt07:44:592
358090499150,10cyclictest35956162sleep207:19:562
358090399156,3cyclictest501rcuop/211:51:281
358090399155,4cyclictest501rcuop/209:35:451
358090399155,3cyclictest501rcuop/209:50:161
3580903991512,2cyclictest3864017-21sh10:40:561
3580903991512,2cyclictest3587308-21latency_hist07:15:011
3580903991511,3cyclictest759-1atopacctd08:36:011
3580903991511,3cyclictest3737405-21cpuspeed_turbos09:15:541
3580903991511,3cyclictest3658174-21kthreadcore08:11:001
358090399150,9cyclictest3856899-21cut10:35:571
358090299157,1cyclictest3922454-21ssh11:20:530
358090299156,5cyclictest664-21dbus-daemon09:25:010
358090299155,4cyclictest3580900-21cyclictest10:00:070
358090299152,7cyclictest0-21swapper/010:30:530
3580902991512,2cyclictest3916306-21irqrtprio11:15:590
3580902991512,2cyclictest3868444-21switchtime10:41:050
3580902991512,2cyclictest3840617-21cut10:25:010
3580902991512,2cyclictest3803452-21apt10:00:010
3580902991512,2cyclictest3700525-21sort08:45:590
3580902991511,3cyclictest1309-21mta-sts-daemon09:10:550
3580902991510,4cyclictest3587422-21munin-node08:19:290
3580902991510,4cyclictest3587422-21munin-node07:43:450
3580902991510,4cyclictest1300-21mta-sts-daemon07:53:080
358090299150,4cyclictest491rcuog/212:24:350
3240591151,2phc2sys0-21swapper/309:39:313
3240591150,5phc2sys0-21swapper/309:45:523
3240591150,4phc2sys0-21swapper/310:40:523
3240591150,4phc2sys0-21swapper/310:20:463
3240591150,3phc2sys0-21swapper/309:01:083
3240591150,2phc2sys0-21swapper/308:25:573
1157598150,4rtkit-daemon0-21swapper/010:14:390
358090499142,8cyclictest0-21swapper/207:25:542
3580904991412,1cyclictest0-21swapper/212:25:542
3580904991412,1cyclictest0-21swapper/210:45:592
3580904991412,1cyclictest0-21swapper/207:57:132
3580904991411,1cyclictest0-21swapper/211:15:512
3580904991411,1cyclictest0-21swapper/209:21:102
3580904991411,1cyclictest0-21swapper/209:00:562
3580904991411,1cyclictest0-21swapper/208:01:062
358090399149,1cyclictest1157598rtkit-daemon07:33:561
358090399145,3cyclictest501rcuop/209:57:251
358090399145,3cyclictest501rcuop/209:32:561
358090399145,3cyclictest501rcuop/209:05:111
358090399141,7cyclictest3602880-21cat07:25:581
3580903991411,2cyclictest759-1atopacctd08:30:011
3580903991411,2cyclictest3662884-21aten_repower_fr08:15:531
3580903991410,3cyclictest3812050-21fschecks_count10:05:561
3580903991410,3cyclictest3695108-21kthreadcore08:40:591
3580903991410,3cyclictest3652057-21kthreadcore08:05:581
3580903991410,1cyclictest69250irq/121-eno110:31:141
358090399140,3cyclictest0-21swapper/108:45:081
358090299149,4cyclictest3711415-21tail08:55:550
358090299149,4cyclictest3711415-21tail08:55:550
358090299146,3cyclictest3697812-21memory08:41:010
358090299144,6cyclictest0-21swapper/007:12:470
358090299143,6cyclictest0-21swapper/009:15:540
3580902991411,2cyclictest3991986-21kthreadcore12:06:020
3580902991411,2cyclictest3870471-21sh10:45:270
3580902991411,2cyclictest3813229-21kthreadcore10:05:590
3580902991411,2cyclictest3709907-21latency08:51:020
3580902991411,2cyclictest3684466-21kthreadcore08:31:000
3580902991411,2cyclictest3640874-21kthreadcore07:56:020
3580902991411,2cyclictest3619021-21phc2sys07:36:050
3580902991411,2cyclictest3609039-21cut07:30:580
3580902991410,3cyclictest3630482-21kthreadcore07:46:010
3580902991410,3cyclictest11574-21rtkit-daemon08:36:200
3240591144,2phc2sys0-21swapper/307:11:073
3240591141,5phc2sys0-21swapper/307:05:533
3240591141,3phc2sys0-21swapper/310:25:523
3240591140,2phc2sys0-21swapper/311:34:233
3240591140,2phc2sys0-21swapper/310:46:373
3240591140,2phc2sys0-21swapper/310:01:443
3240591140,2phc2sys0-21swapper/308:55:383
3240591140,2phc2sys0-21swapper/308:55:383
3580904991311,1cyclictest0-21swapper/208:51:012
3580904991310,1cyclictest0-21swapper/211:26:012
358090399136,5cyclictest3681020-21apt-get08:30:521
3580903991310,2cyclictest684-21systemd-logind09:00:011
3580903991310,2cyclictest684-21systemd-logind09:00:011
3580902991310,2cyclictest3651507-21if_enp1s0.808:05:570
3580902991310,2cyclictest3589994-21aten_repower_po07:15:560
3580902991310,2cyclictest1307-21mta-sts-daemon09:00:340
3240591131,5phc2sys0-21swapper/308:10:543
3240591131,2phc2sys0-21swapper/311:55:103
3240591130,3phc2sys0-21swapper/307:31:033
3240591130,2phc2sys0-21swapper/312:13:463
3240591130,2phc2sys0-21swapper/309:42:563
3580902991210,1cyclictest3668981-21head08:20:530
3240591121,2phc2sys0-21swapper/311:25:533
3240591120,3phc2sys0-21swapper/307:16:083
3240591120,2phc2sys0-21swapper/312:15:493
3240591120,2phc2sys0-21swapper/310:50:383
3240591120,2phc2sys0-21swapper/309:25:523
3240591120,2phc2sys0-21swapper/308:00:533
3240591120,2phc2sys0-21swapper/307:36:283
3240591120,1phc2sys0-21swapper/310:19:033
3240591120,1phc2sys0-21swapper/309:12:033
358090399111,4cyclictest3581040-21cat07:10:031
358090299118,2cyclictest0-21swapper/007:10:020
3240591113,1phc2sys0-21swapper/311:35:343
3240591113,1phc2sys0-21swapper/311:35:343
3240591110,3phc2sys0-21swapper/311:40:523
3240591110,2phc2sys0-21swapper/309:20:553
3240591110,2phc2sys0-21swapper/308:20:563
3240591110,1phc2sys0-21swapper/310:31:573
3240591110,1phc2sys0-21swapper/308:44:573
3240591110,1phc2sys0-21swapper/307:25:223
3240591103,2phc2sys0-21swapper/308:54:343
3240591102,2phc2sys0-21swapper/310:10:053
3240591101,2phc2sys0-21swapper/312:39:553
3240591101,2phc2sys0-21swapper/311:15:593
3240591100,4phc2sys0-21swapper/312:30:073
3240591100,2phc2sys0-21swapper/312:22:443
3240591100,2phc2sys0-21swapper/311:22:563
3240591100,2phc2sys0-21swapper/311:10:343
3240591100,2phc2sys0-21swapper/310:40:003
3240591100,2phc2sys0-21swapper/309:05:523
3240591100,2phc2sys0-21swapper/308:46:013
3240591100,2phc2sys0-21swapper/308:17:443
3240591100,2phc2sys0-21swapper/307:20:533
3240591100,1phc2sys0-21swapper/309:19:573
324059191,2phc2sys0-21swapper/312:00:193
324059191,2phc2sys0-21swapper/307:50:593
324059190,2phc2sys0-21swapper/310:55:153
324059190,2phc2sys0-21swapper/309:30:173
324059190,2phc2sys0-21swapper/308:36:073
324059190,2phc2sys0-21swapper/308:31:023
324059190,2phc2sys0-21swapper/308:06:063
324059190,2phc2sys0-21swapper/307:45:523
324059190,2phc2sys0-21swapper/307:40:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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