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2026-01-10 - 20:19
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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 Sat Jan 10, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
413655321700,2sleep30-21swapper/310:28:093
396774521250,1sleep00-21swapper/008:48:070
377772660,2sleep00-21swapper/011:23:010
41087852640,1sleep04108789-21kthreadcore10:13:070
384594699264,15cyclictest4048929-21sh09:41:121
3845946992611,8cyclictest4047928-21kworker/u16:0+nfsiod11:04:571
384594699255,14cyclictest4148758-21sh10:36:091
384594699254,14cyclictest89879-21sh11:50:351
384594699254,14cyclictest81761-21sh11:46:541
384594699254,14cyclictest4165025-21sh10:43:501
384594699241,18cyclictest52757-21ssh11:29:451
384594699241,18cyclictest134005-21taskset12:14:251
384594699237,8cyclictest54663-21sh11:32:061
384594699235,9cyclictest3993418-21diskmemload10:29:551
384594699233,9cyclictest0-21swapper/112:38:011
384594699232,16cyclictest33878-21taskset11:18:301
384594699231,17cyclictest4121788-21ssh10:21:521
384594699231,17cyclictest3860615-21runrttasks07:20:321
384594699231,13cyclictest17555-21ssh11:10:411
384594699231,13cyclictest144121-21taskset12:20:061
384594699231,11cyclictest4167983-21chrt10:47:471
384594699230,8cyclictest0-21swapper/109:22:431
384594699230,18cyclictest43019-21taskset11:23:351
384594699230,18cyclictest4011536-21seq09:19:531
384594699230,18cyclictest3987293-21taskset09:03:351
384594699230,18cyclictest3890294-21taskset07:43:171
384594699230,18cyclictest154822-21sh12:27:471
384594699230,14cyclictest3995070-21ssh09:11:591
384594699221,16cyclictest3921197-21taskset08:10:101
384594699221,16cyclictest3903246-21taskset07:57:281
384594699221,16cyclictest3896873-21taskset07:51:061
384594699221,15cyclictest4057264-21ssh09:45:121
384594699221,15cyclictest162818-21ssh12:31:111
384594699221,13cyclictest3866635-21taskset07:25:251
384594699221,12cyclictest62429-21runrttasks11:35:051
384594699221,12cyclictest4184188-21ssh10:55:031
384594699221,12cyclictest4139693-21runrttasks10:31:291
384594699221,12cyclictest4075846-21ssh09:55:401
384594699221,12cyclictest4067197-21ssh09:51:401
384594699221,12cyclictest4030607-21ssh09:30:451
384594699221,12cyclictest4021125-21ssh09:25:061
384594699221,12cyclictest3951110-21taskset08:34:381
384594699221,12cyclictest3951110-21taskset08:34:381
384594699221,12cyclictest3933387-21taskset08:20:561
384594699221,12cyclictest115353-21runrttasks12:03:391
384594699220,17cyclictest4104103-21ssh10:12:291
384594699220,17cyclictest3951562-21seq08:36:281
384594699220,17cyclictest3927421-21taskset08:17:401
384594699220,17cyclictest135599-21ssh12:16:041
384594699220,13cyclictest98717-21ssh11:55:121
384594699220,13cyclictest72035-21ssh11:40:511
384594699220,13cyclictest4111737-21ssh10:15:231
384594699220,13cyclictest4093481-21ssh10:05:071
384594699220,13cyclictest4084536-21ssh10:00:091
384594699220,13cyclictest4047159-21ssh09:39:041
384594699220,13cyclictest3975852-21taskset08:57:501
384594699220,13cyclictest3957504-21seq08:40:211
384594699220,13cyclictest3939442-21runrttasks08:26:171
384594699220,13cyclictest3878756-21seq07:35:571
384594699220,13cyclictest3878324-21taskset07:34:271
384594699220,13cyclictest3851892-21seq07:14:371
384594699220,13cyclictest117536-21ssh12:06:241
2649091222,6phc2sys0-21swapper/307:13:103
384594699211,15cyclictest3987806-21seq09:06:141
384594699211,11cyclictest3969733-21taskset08:51:571
384594699211,11cyclictest3890916-21seq07:47:191
384594699210,16cyclictest4175248-21ssh10:50:161
384594699210,12cyclictest8164-21runrttasks11:05:031
384594699210,12cyclictest3963661-21taskset08:46:241
384594699210,12cyclictest3915177-21taskset08:05:331
384594699210,12cyclictest3909169-21taskset08:00:321
384594699210,12cyclictest3854547-21taskset07:15:561
3845945992113,4cyclictest119989-21kthreadcore12:08:050
3845945992112,5cyclictest50328-21kthreadcore11:28:040
3845945992111,5cyclictest0-21swapper/010:45:000
384594599211,14cyclictest1052-21apt-get11:03:000
3845947992017,1cyclictest0-21swapper/211:43:122
3845947992017,1cyclictest0-21swapper/211:20:012
3845947992017,1cyclictest0-21swapper/209:00:012
384594599209,6cyclictest0-21swapper/012:28:080
384594599209,6cyclictest0-21swapper/010:25:010
3845945992017,2cyclictest1-21systemd12:05:020
3845945992012,4cyclictest3845944-21cyclictest09:33:080
3845945992011,5cyclictest4155466-21grep10:38:140
3845947991917,1cyclictest0-21swapper/209:55:022
3845947991916,1cyclictest0-21swapper/211:37:592
3845947991916,1cyclictest0-21swapper/210:20:002
3845947991916,1cyclictest0-21swapper/207:40:002
384594599199,5cyclictest0-21swapper/011:55:010
3845945991916,2cyclictest4138127-21cron10:30:010
3845945991916,2cyclictest1996-21runrttasks11:08:000
3845945991915,2cyclictest1290-21dbus-daemon08:00:020
3845945991911,4cyclictest4095622-21aten_repower_vo10:08:000
3845945991910,5cyclictest82482-21/usr/sbin/munin11:48:040
384594599190,5cyclictest3959005-21irqstats08:43:080
2649091191,8phc2sys0-21swapper/312:28:013
384594799181,7cyclictest0-21swapper/210:40:022
3845947991816,1cyclictest0-21swapper/211:00:022
3845947991815,1cyclictest0-21swapper/212:25:002
3845947991815,1cyclictest0-21swapper/210:14:592
384594599186,6cyclictest0-21swapper/009:37:580
3845945991815,2cyclictest4183905-21systemd-run10:55:000
3845945991815,2cyclictest4120206-21cron10:20:000
3845945991814,2cyclictest4057042-21munin-plugin-st09:45:020
384594599180,14cyclictest0-21swapper/012:38:220
2649191180,1ptp4l0-21swapper/311:38:033
2649091180,5phc2sys0-21swapper/309:41:533
2649091180,2phc2sys0-21swapper/312:19:193
2649091180,2phc2sys0-21swapper/309:39:413
2649091180,1phc2sys0-21swapper/310:40:163
3845947991715,1cyclictest0-21swapper/212:30:022
3845947991715,1cyclictest0-21swapper/211:30:012
3845947991715,1cyclictest0-21swapper/209:20:012
3845947991715,1cyclictest0-21swapper/208:50:022
3845947991715,1cyclictest0-21swapper/207:15:022
3845947991714,1cyclictest0-21swapper/212:05:012
384594599179,4cyclictest128700-21grep12:13:050
384594599177,5cyclictest0-21swapper/012:00:020
384594599177,5cyclictest0-21swapper/009:20:010
384594599176,4cyclictest0-21swapper/012:18:000
384594599172,4cyclictest4062015-21kthreadcore09:48:070
384594599171,9cyclictest1290-21dbus-daemon07:10:010
3845945991714,2cyclictest4169295-21ps10:48:040
3845945991714,2cyclictest4068500-21cstates09:53:010
3845945991714,2cyclictest35179-21systemd-run11:20:020
3845945991714,2cyclictest1290-21dbus-daemon11:40:010
3845945991714,2cyclictest1288-1atopacctd11:13:070
3845945991713,3cyclictest44653-21kworker/u16:1+nfsiod11:31:110
2649091170,3phc2sys0-21swapper/311:00:373
2649091170,2phc2sys0-21swapper/310:48:233
2649091170,2phc2sys0-21swapper/309:55:513
3845947991613,1cyclictest0-21swapper/212:15:012
3845947991613,1cyclictest0-21swapper/207:55:002
3845947991613,1cyclictest0-21swapper/207:33:072
384594599169,6cyclictest134851-21kworker/u16:3-rpciod12:33:030
384594599168,2cyclictest0-21swapper/012:20:190
3845945991613,2cyclictest4084119-21perf10:00:000
3845945991613,2cyclictest3939059-21dump-pmu-power08:25:000
3845945991613,2cyclictest3899980-21kthreadcore07:53:070
3845945991613,2cyclictest0-21swapper/011:45:010
3845945991612,3cyclictest3852011-21kworker/u16:3+nfsiod09:29:100
2649091160,3phc2sys0-21swapper/310:11:353
2649091160,2phc2sys0-21swapper/309:32:513
2649091160,2phc2sys0-21swapper/308:05:443
38665852150,3sleep30-21swapper/307:25:023
384594799151,9cyclictest0-21swapper/211:13:082
3845947991513,1cyclictest0-21swapper/211:33:082
3845947991513,1cyclictest0-21swapper/209:38:062
3845947991513,1cyclictest0-21swapper/208:38:042
3845947991512,2cyclictest0-21swapper/211:58:122
3845947991512,2cyclictest0-21swapper/207:58:032
3845947991512,1cyclictest0-21swapper/212:38:092
3845947991512,1cyclictest0-21swapper/211:48:022
3845947991512,1cyclictest0-21swapper/209:48:012
3845947991512,1cyclictest0-21swapper/209:42:592
3845947991512,1cyclictest0-21swapper/209:25:022
3845947991512,1cyclictest0-21swapper/209:13:082
3845947991512,1cyclictest0-21swapper/208:23:122
3845947991511,2cyclictest0-21swapper/209:03:022
384594799150,11cyclictest0-21swapper/208:41:542
384594699150,10cyclictest1-21systemd07:10:011
384594599157,2cyclictest0-21swapper/010:30:110
384594599156,5cyclictest0-21swapper/007:45:430
384594599153,4cyclictest4086284-21sshd10:02:430
3845945991512,2cyclictest3910336-21sed08:03:050
3845945991512,2cyclictest3874193-21kthreadcore07:33:070
3845945991512,2cyclictest3860320-21sh07:20:010
3845945991511,3cyclictest4012279-21kworker/u16:1+nfsiod09:21:430
3845945991511,3cyclictest3957439-21kworker/u16:0+nfsiod09:14:520
2649091150,2phc2sys0-21swapper/312:33:033
2649091150,1phc2sys0-21swapper/312:05:493
384594799141,9cyclictest0-21swapper/210:10:022
3845947991412,1cyclictest0-21swapper/212:10:002
3845947991412,1cyclictest0-21swapper/210:45:002
3845947991412,1cyclictest0-21swapper/210:30:022
3845947991412,1cyclictest0-21swapper/208:28:112
384594799141,11cyclictest0-21swapper/212:28:112
3845947991411,1cyclictest0-21swapper/212:18:012
3845947991411,1cyclictest0-21swapper/211:23:052
3845947991411,1cyclictest0-21swapper/211:09:182
3845947991411,1cyclictest0-21swapper/210:50:002
3845947991411,1cyclictest0-21swapper/210:03:062
3845947991411,1cyclictest0-21swapper/209:33:022
3845947991411,1cyclictest0-21swapper/208:08:062
3845947991410,2cyclictest0-21swapper/210:53:022
384594599149,4cyclictest3885091-21aten2.4-expect07:42:590
384594599146,1cyclictest0-21swapper/010:58:020
384594599145,5cyclictest0-21swapper/007:22:310
384594599141,8cyclictest3942580-21kthreadcore08:28:080
3845945991411,2cyclictest3922496-21irqcore08:13:030
3845945991411,2cyclictest3880319-21kthreadcore07:38:050
3845945991411,2cyclictest3872437-21systemd-run07:30:010
3845945991411,2cyclictest3845944-21cyclictest08:38:050
3845945991411,2cyclictest1290-21dbus-daemon07:15:000
2649091141,4phc2sys0-21swapper/312:11:493
2649091141,2phc2sys0-21swapper/309:12:143
2649091140,2phc2sys0-21swapper/311:52:153
2649091140,2phc2sys0-21swapper/311:48:303
2649091140,1phc2sys0-21swapper/309:02:063
2649091140,1phc2sys0-21swapper/307:06:343
384594799131,6cyclictest0-21swapper/209:30:022
3845947991311,1cyclictest0-21swapper/211:55:012
3845947991311,1cyclictest0-21swapper/208:50:222
3845947991311,1cyclictest0-21swapper/207:50:022
3845947991311,1cyclictest0-21swapper/207:40:052
3845947991310,1cyclictest0-21swapper/210:31:482
3845947991310,1cyclictest0-21swapper/210:23:052
3845947991310,1cyclictest0-21swapper/209:58:052
3845947991310,1cyclictest0-21swapper/207:28:072
3845945991311,1cyclictest3915527-21aten2.4-expect08:08:000
3845945991310,2cyclictest3989962-21kthreadcore09:08:070
3845945991310,2cyclictest3984685-21kthreadcore09:03:070
3845945991310,2cyclictest3977038-21irqrtprio08:58:040
3845945991310,2cyclictest3972604-21kthreadcore08:53:060
2649091130,4phc2sys0-21swapper/311:07:483
2649091130,2phc2sys0-21swapper/311:24:563
2649091130,2phc2sys0-21swapper/311:18:043
2649091130,2phc2sys0-21swapper/310:51:043
2649091130,2phc2sys0-21swapper/310:34:553
2649091130,2phc2sys0-21swapper/310:15:163
2649091130,2phc2sys0-21swapper/309:51:093
2649091130,2phc2sys0-21swapper/309:45:043
2649091130,2phc2sys0-21swapper/309:06:423
384594799129,1cyclictest0-21swapper/209:05:092
384594799129,1cyclictest0-21swapper/208:33:002
384594799129,1cyclictest0-21swapper/208:33:002
384594799129,1cyclictest0-21swapper/208:18:022
384594799129,1cyclictest0-21swapper/208:03:002
384594799121,6cyclictest0-21swapper/207:10:022
3845947991210,1cyclictest0-21swapper/211:03:012
3845947991210,1cyclictest0-21swapper/208:11:162
3845947991210,1cyclictest0-21swapper/207:18:012
384594599129,2cyclictest3946737-21cut08:33:070
384594599129,2cyclictest3946737-21cut08:33:070
384594599129,2cyclictest3927645-21cpu08:18:000
2649091121,2phc2sys0-21swapper/307:18:063
2649091120,3phc2sys0-21swapper/308:43:023
2649091120,2phc2sys0-21swapper/311:33:313
2649091120,2phc2sys0-21swapper/310:05:383
2649091120,2phc2sys0-21swapper/309:22:223
2649091120,2phc2sys0-21swapper/308:47:593
384594799119,1cyclictest0-21swapper/207:23:372
2649091111,3phc2sys0-21swapper/310:35:273
2649091111,2phc2sys0-21swapper/312:05:013
2649091110,3phc2sys0-21swapper/311:10:273
2649091110,2phc2sys0-21swapper/312:35:553
2649091110,2phc2sys0-21swapper/312:22:373
2649091110,2phc2sys0-21swapper/311:40:053
2649091110,2phc2sys0-21swapper/309:17:293
2649091110,2phc2sys0-21swapper/308:33:013
2649091110,2phc2sys0-21swapper/308:33:013
2649091110,2phc2sys0-21swapper/308:20:023
2649091110,1phc2sys0-21swapper/307:57:133
2649091110,1phc2sys0-21swapper/307:26:283
2649091101,2phc2sys0-21swapper/309:25:063
2649091101,2phc2sys0-21swapper/307:38:063
2649091100,2phc2sys0-21swapper/311:56:083
2649091100,2phc2sys0-21swapper/311:29:353
2649091100,2phc2sys0-21swapper/310:20:093
2649091100,2phc2sys0-21swapper/310:00:253
2649091100,2phc2sys0-21swapper/308:40:023
2649091100,2phc2sys0-21swapper/307:35:013
264909190,2phc2sys0-21swapper/310:56:363
264909190,2phc2sys0-21swapper/308:53:003
264909190,2phc2sys0-21swapper/308:28:083
264909190,2phc2sys0-21swapper/308:22:593
264909190,2phc2sys0-21swapper/308:14:563
264909190,2phc2sys0-21swapper/308:03:033
264909190,2phc2sys0-21swapper/307:53:013
264909190,2phc2sys0-21swapper/307:43:073
264909190,1phc2sys0-21swapper/308:57:093
264909180,1phc2sys0-21swapper/307:46:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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