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2026-05-20 - 20:12
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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 Wed May 20, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30628321700,3sleep30-21swapper/309:55:053
41206621570,2sleep1412002-21apt-get11:05:011
1051902970,2sleep00-21swapper/007:25:040
5344132810,2sleep1534395-21munin-run12:25:021
4806352740,1sleep0480633-21ssh11:49:330
88350993220,7cyclictest98174-21latency_hist07:20:010
88350993024,5cyclictest489033-21cstates11:55:030
88350992616,6cyclictest88349-21cyclictest11:25:080
3619922260,2sleep30-21swapper/310:30:073
88353992421,1cyclictest0-21swapper/208:00:002
88351992421,2cyclictest274795-21aten2.4-expect09:35:011
88350992421,2cyclictest267051-21grep09:30:010
88350992415,8cyclictest0-21swapper/012:10:010
88353992320,1cyclictest0-21swapper/208:30:022
88351992320,2cyclictest366932-21fschecks_time10:35:011
88350992320,2cyclictest148722-21apt-config08:00:000
88350992313,9cyclictest0-21swapper/007:50:010
8835099231,1cyclictest419579-21apt-get11:10:000
88351992219,2cyclictest450375-21latency_hist11:30:021
88351992219,2cyclictest174019-21aten2.4-expect08:20:001
2649091221,2phc2sys0-21swapper/309:15:013
88353992119,1cyclictest0-21swapper/209:40:022
88351992119,1cyclictest290037-21aten_repower_vo09:45:011
88351992118,2cyclictest3827634-1atopacctd07:30:001
88351992118,2cyclictest104572-21aten2.4-expect07:25:011
88351992117,3cyclictest3824567-21rs:main1
8835099217,12cyclictest0-21swapper/009:15:030
383433398210,2rtkit-daemon3851705-21mta-sts-daemon10:15:400
2649091211,6phc2sys0-21swapper/311:40:083
88353992018,1cyclictest0-21swapper/209:20:022
88353992017,1cyclictest0-21swapper/208:25:002
88351992017,2cyclictest458467-21cpuspeed11:35:021
88351992017,2cyclictest3880722-21gmain10:55:011
88351992017,2cyclictest374248-21cstates10:40:011
88351992017,2cyclictest298168-21cstates09:50:021
88351992017,2cyclictest0-21swapper/112:05:011
88351992016,2cyclictest0-21swapper/111:40:001
88351992014,2cyclictest134050irq/121-eno107:55:011
88351992012,3cyclictest0-21swapper/109:24:591
88350992017,2cyclictest519318-21cstates12:15:010
88350992017,2cyclictest412361-21sh11:05:020
88350992017,2cyclictest321092-21grep10:05:010
88350992017,2cyclictest290035-21latency_hist09:45:010
88350992017,2cyclictest224231-21acpi09:00:020
88350992017,2cyclictest167815-21sh08:15:010
88350992017,2cyclictest1-21systemd11:45:010
88353991917,1cyclictest0-21swapper/210:50:022
88353991916,1cyclictest0-21swapper/212:15:012
88353991916,1cyclictest0-21swapper/211:45:012
88353991916,1cyclictest0-21swapper/210:20:022
88351991916,2cyclictest88585-21aten2.4-expect07:10:021
88351991916,2cyclictest88585-21aten2.4-expect07:10:021
88351991916,2cyclictest389024-21idleruntime-cro10:50:001
88351991916,2cyclictest1296-21polkitd10:10:001
88351991915,3cyclictest509063-21pmu-power12:05:111
88351991915,3cyclictest0-21swapper/110:05:001
8835099199,7cyclictest0-21swapper/012:39:590
8835099191,3cyclictest259684-21munin-run09:25:000
88350991913,5cyclictest88349-21cyclictest10:10:480
88350991911,7cyclictest0-21swapper/010:50:000
8835099191,16cyclictest465564-21apt11:39:590
88350991911,6cyclictest0-21swapper/010:09:590
383433398190,4rtkit-daemon3827634-1atopacctd11:20:030
88353991816,1cyclictest0-21swapper/209:10:002
88353991815,1cyclictest0-21swapper/212:05:012
88353991815,1cyclictest0-21swapper/211:05:012
88353991815,1cyclictest0-21swapper/209:15:002
88353991815,1cyclictest0-21swapper/209:05:002
88353991815,1cyclictest0-21swapper/208:40:012
88353991815,1cyclictest0-21swapper/207:15:012
88351991815,2cyclictest473577-21cpuspeed_turbos11:45:001
88351991815,2cyclictest343589-21latency_hist10:20:021
88351991815,2cyclictest305536-21systemd-run09:55:011
88351991815,2cyclictest0-21swapper/107:35:001
88351991814,3cyclictest0-21swapper/112:20:011
88351991811,2cyclictest134050irq/121-eno109:10:021
88351991810,3cyclictest262598-21kthreadcore09:25:071
88350991816,1cyclictest180332-21/usr/sbin/munin08:25:020
88350991816,1cyclictest142449-21aten_repower_fr07:55:020
88350991815,2cyclictest547291-21mailstats12:30:120
88350991815,2cyclictest3827634-1atopacctd11:30:040
88350991810,7cyclictest0-21swapper/008:30:010
2649091180,2phc2sys0-21swapper/310:15:093
88353991715,1cyclictest0-21swapper/210:25:002
88353991715,1cyclictest0-21swapper/208:05:032
88353991715,1cyclictest0-21swapper/207:25:012
88353991714,1cyclictest0-21swapper/211:55:012
88353991714,1cyclictest0-21swapper/211:49:572
88353991714,1cyclictest0-21swapper/211:15:002
88353991714,1cyclictest0-21swapper/211:00:002
88353991714,1cyclictest0-21swapper/208:50:002
88353991714,1cyclictest0-21swapper/208:45:002
88353991713,2cyclictest0-21swapper/210:25:072
88353991711,2cyclictest0-21swapper/212:29:592
8835199179,3cyclictest419589-21cron11:10:001
8835199171,6cyclictest75895-21kworker/u16:1+events_unbound07:40:011
88351991714,2cyclictest98527-21cpuspeed_turbos07:20:021
88351991714,2cyclictest489032-21systemd-run11:55:021
88351991714,2cyclictest435444-21tr11:20:021
88351991714,2cyclictest155114-21latency_hist08:05:001
88351991714,2cyclictest1290-21dbus-daemon07:15:011
88351991714,2cyclictest0-21swapper/109:20:011
88351991713,3cyclictest186805-21cpuspeed_turbos08:30:021
88351991712,4cyclictest0-21swapper/108:40:061
8835199171,10cyclictest0-21swapper/109:15:011
88350991714,2cyclictest313399-21cstates10:00:010
88350991714,2cyclictest298020-21tr09:50:010
88350991714,2cyclictest282633-21/usr/sbin/munin09:40:020
88350991714,2cyclictest199136-21latency_hist08:40:010
88350991714,2cyclictest155083-21aten_repower_en08:05:000
88350991714,2cyclictest129797-21cut07:45:010
8835099171,2cyclictest0-21swapper/011:16:380
88350991710,5cyclictest360164-21kthreadcore10:30:070
2649091170,2phc2sys0-21swapper/311:25:373
88353991614,1cyclictest0-21swapper/212:40:002
88353991614,1cyclictest0-21swapper/212:35:022
88353991614,1cyclictest0-21swapper/210:45:012
88353991614,1cyclictest0-21swapper/210:45:012
88353991614,1cyclictest0-21swapper/210:10:022
88353991614,1cyclictest0-21swapper/207:35:022
88353991613,1cyclictest0-21swapper/211:30:062
88353991613,1cyclictest0-21swapper/211:05:082
88353991613,1cyclictest0-21swapper/209:59:592
88353991613,1cyclictest0-21swapper/207:50:002
88351991613,2cyclictest351977-21gltestperf10:25:041
88351991613,2cyclictest335807-21/usr/sbin/munin10:15:001
88351991613,2cyclictest207527-21kthreadcore08:45:061
88351991613,2cyclictest193522-21sed08:35:011
88351991613,2cyclictest0-21swapper/107:40:121
88351991612,3cyclictest540053-21kworker/u16:2+nfsiod12:30:331
88351991612,3cyclictest308424-21kthreadcore09:55:081
88351991612,2cyclictest0-21swapper/108:40:021
88351991611,4cyclictest519242-21munin-plugin-st12:15:001
8835099169,5cyclictest529692-21kthreadcore12:20:080
8835099168,7cyclictest0-21swapper/010:44:580
8835099168,7cyclictest0-21swapper/010:44:580
8835099168,7cyclictest0-21swapper/010:39:580
8835099164,2cyclictest191rcu_preempt09:10:060
88350991613,2cyclictest526495-21aten_repower_fr12:19:590
88350991613,2cyclictest427599-21cpuspeed11:15:010
88350991613,2cyclictest397446-21cut10:55:040
88350991613,2cyclictest356345-21pmu-power10:25:100
88350991613,2cyclictest274831-21aten_repower_po09:35:020
88350991613,2cyclictest0-21swapper/009:55:010
88350991610,4cyclictest0-21swapper/008:45:000
2649091161,5phc2sys0-21swapper/307:25:003
2649091160,2phc2sys0-21swapper/310:20:293
2649091160,2phc2sys0-21swapper/309:19:533
2649091160,2phc2sys0-21swapper/308:28:283
2649091160,1phc2sys0-21swapper/311:33:343
8835399151,7cyclictest0-21swapper/209:50:012
88353991513,1cyclictest0-21swapper/211:30:012
88353991513,1cyclictest0-21swapper/210:10:062
88353991513,1cyclictest0-21swapper/210:05:002
88353991513,1cyclictest0-21swapper/209:45:012
88353991513,1cyclictest0-21swapper/209:35:022
88353991513,1cyclictest0-21swapper/207:25:062
88353991513,1cyclictest0-21swapper/207:10:022
88353991513,1cyclictest0-21swapper/207:10:022
88353991512,1cyclictest0-21swapper/212:15:132
88353991512,1cyclictest0-21swapper/211:55:042
88353991512,1cyclictest0-21swapper/208:15:062
88353991512,1cyclictest0-21swapper/207:35:002
88353991511,2cyclictest0-21swapper/208:50:142
8835199159,2cyclictest491rcuog/209:05:011
8835199158,2cyclictest134050irq/121-eno110:25:011
8835199151,9cyclictest541280-21ssh12:28:561
88351991513,1cyclictest375375-21kthreadcore10:40:071
88351991513,1cyclictest375375-21kthreadcore10:40:061
88351991512,2cyclictest556934-21latency_hist12:40:001
88351991512,2cyclictest425349-21timerandwakeup11:10:141
88351991512,2cyclictest3851703-21mta-sts-daemon10:55:111
88351991512,2cyclictest166660-21proc_pri08:10:131
88351991512,2cyclictest131156-21kthreadcore07:45:081
88351991512,2cyclictest0-21swapper/112:00:021
88351991511,3cyclictest278353-21kthreadcore09:35:091
88351991511,3cyclictest214699-21kthreadcore08:50:081
88351991511,3cyclictest175440-21kthreadcore08:20:061
8835099154,6cyclictest537301-21kthreadcore12:25:090
8835099152,11cyclictest0-21swapper/008:15:130
88350991513,1cyclictest0-21swapper/008:10:010
88350991512,2cyclictest501674-21switchtime12:00:150
88350991512,2cyclictest349148-21unixbench-2d10:20:160
88350991512,2cyclictest230332-21sh09:05:000
88350991512,2cyclictest217828-21acpi08:55:000
88350991512,2cyclictest120112-21kthreadcore07:35:090
88350991512,2cyclictest112909-21kthreadcore07:30:070
88350991512,2cyclictest0-21swapper/010:50:030
88350991512,2cyclictest0-21swapper/007:25:020
88350991511,3cyclictest419877-21kworker/u16:0+nfsiod11:57:300
2649091150,4phc2sys0-21swapper/312:00:003
2649091150,4phc2sys0-21swapper/311:50:093
2649091150,2phc2sys0-21swapper/312:39:363
2649091150,2phc2sys0-21swapper/308:15:033
2649091150,2phc2sys0-21swapper/307:50:093
8835399141,5cyclictest0-21swapper/211:20:012
88353991412,1cyclictest0-21swapper/212:10:012
88353991412,1cyclictest0-21swapper/210:55:022
88353991412,1cyclictest0-21swapper/210:30:132
88353991412,1cyclictest0-21swapper/209:20:072
88353991411,1cyclictest0-21swapper/211:36:122
88353991411,1cyclictest0-21swapper/209:50:082
88353991411,1cyclictest0-21swapper/209:00:012
88353991411,1cyclictest0-21swapper/208:10:052
88351991410,3cyclictest475758-21cat11:45:061
88351991410,3cyclictest219442-21kthreadcore08:55:071
88351991410,3cyclictest143783-21kthreadcore07:55:071
88350991411,2cyclictest90147-21kthreadcore07:10:080
88350991411,2cyclictest231249-21gltestperf09:05:040
88350991411,2cyclictest191669-21phc2sys-jitter08:30:100
88350991411,2cyclictest0-21swapper/007:10:010
88350991411,2cyclictest0-21swapper/007:10:010
88350991410,3cyclictest208706-21kthreadcore08:45:080
3289552140,2sleep30-21swapper/310:10:033
2649091142,1phc2sys0-21swapper/312:11:223
2649091141,5phc2sys0-21swapper/309:35:003
2649091140,2phc2sys0-21swapper/311:22:003
2649091140,2phc2sys0-21swapper/310:41:463
2649091140,2phc2sys0-21swapper/310:41:463
2649091140,2phc2sys0-21swapper/308:54:553
88353991311,1cyclictest0-21swapper/212:21:312
88353991311,1cyclictest0-21swapper/207:50:052
88353991311,1cyclictest0-21swapper/207:20:012
88353991310,1cyclictest0-21swapper/211:20:102
88353991310,1cyclictest0-21swapper/209:26:362
8835199130,4cyclictest429748-21kthreadcore11:15:071
2649091131,9phc2sys0-21swapper/309:22:183
2649091131,3phc2sys0-21swapper/310:53:543
2649091130,2phc2sys0-21swapper/312:08:013
2649091130,2phc2sys0-21swapper/311:15:273
2649091130,2phc2sys0-21swapper/310:36:183
2649091130,2phc2sys0-21swapper/310:00:343
2649091130,2phc2sys0-21swapper/309:54:133
2649091130,1phc2sys0-21swapper/308:44:313
8835399121,3cyclictest0-21swapper/207:45:012
88353991210,1cyclictest0-21swapper/210:35:042
88353991210,1cyclictest0-21swapper/208:30:082
2649091121,2phc2sys0-21swapper/308:21:003
2649091120,4phc2sys0-21swapper/311:46:503
2649091120,2phc2sys0-21swapper/312:28:593
2649091120,2phc2sys0-21swapper/310:29:263
2649091120,2phc2sys0-21swapper/309:46:543
2649091120,2phc2sys0-21swapper/309:40:103
1563072120,2sleep20-21swapper/208:05:052
3829752110,2sleep30-21swapper/310:45:063
2649091111,2phc2sys0-21swapper/308:00:033
2649091111,2phc2sys0-21swapper/307:35:063
2649091110,4phc2sys0-21swapper/307:30:003
2649091110,3phc2sys0-21swapper/308:05:003
2649091110,2phc2sys0-21swapper/309:00:023
2649091110,2phc2sys0-21swapper/308:38:563
2649091110,2phc2sys0-21swapper/307:19:593
2649091110,1phc2sys0-21swapper/311:04:243
2649091110,1phc2sys0-21swapper/308:45:443
2649091102,2phc2sys0-21swapper/309:05:033
2649091101,3phc2sys0-21swapper/312:15:113
2649091101,2phc2sys0-21swapper/312:20:403
2649091101,2phc2sys0-21swapper/311:35:323
2649091101,2phc2sys0-21swapper/311:11:223
2649091101,2phc2sys0-21swapper/309:35:133
2649091101,2phc2sys0-21swapper/307:10:333
2649091101,2phc2sys0-21swapper/307:05:133
2649091101,2phc2sys0-21swapper/307:05:123
2649091100,2phc2sys0-21swapper/312:30:103
2649091100,2phc2sys0-21swapper/311:08:053
2649091100,2phc2sys0-21swapper/310:58:113
2649091100,2phc2sys0-21swapper/308:35:023
2649091100,2phc2sys0-21swapper/307:34:583
2649091100,1phc2sys0-21swapper/312:03:563
2649091100,1phc2sys0-21swapper/309:27:283
264909192,2phc2sys0-21swapper/307:42:393
264909191,2phc2sys0-21swapper/308:55:173
264909190,2phc2sys0-21swapper/310:06:443
264909190,2phc2sys0-21swapper/308:15:263
264909190,2phc2sys0-21swapper/307:45:043
264909181,2phc2sys0-21swapper/308:05:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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