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2025-12-10 - 17:34
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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 Dec 10, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
51128721570,2sleep30-21swapper/310:58:523
2529972790,2sleep30-21swapper/308:15:003
3210132770,1sleep10-21swapper/109:10:041
17111499271,18cyclictest191760-21munin-run07:25:010
171115992616,4cyclictest36-21ksoftirqd/110:30:011
17111499267,2cyclictest0-21swapper/010:40:120
171114992623,2cyclictest564412-21aten_repower_fr11:30:020
171115992522,2cyclictest283559-21tr08:40:001
171114992513,7cyclictest0-21swapper/010:35:020
171116992320,1cyclictest0-21swapper/207:55:012
171114992314,5cyclictest1803-21gdbus11:00:000
171115992219,2cyclictest320186-21sh09:10:001
171115992214,3cyclictest36-21ksoftirqd/110:40:001
171114992218,3cyclictest538036-21latency_hist11:15:010
171116992118,1cyclictest0-21swapper/212:05:012
171115992118,2cyclictest555603-21systemd11:25:011
171115992113,3cyclictest413101-21timerandwakeup10:00:151
171114992118,2cyclictest503271-21acpi10:55:010
171114992118,2cyclictest1635-21dbus-daemon12:40:010
171114992110,6cyclictest0-21swapper/011:45:030
171114992110,6cyclictest0-21swapper/009:20:030
171114992110,6cyclictest0-21swapper/008:35:020
171116992017,1cyclictest0-21swapper/210:10:012
171116992017,1cyclictest0-21swapper/210:10:012
171116992017,1cyclictest0-21swapper/208:35:012
171116992016,1cyclictest0-21swapper/210:50:022
171115992017,2cyclictest669085-21apt12:30:001
171115992017,2cyclictest642972-21cron12:15:001
171115992013,5cyclictest1635-21dbus-daemon09:35:011
171115992013,3cyclictest611382-21kthreadcore11:55:091
171115992013,3cyclictest480480-21kthreadcore10:40:111
17111499209,6cyclictest0-21swapper/012:05:020
17111499209,6cyclictest0-21swapper/011:10:010
17111499209,6cyclictest0-21swapper/009:55:110
171114992017,2cyclictest355819-21cpuspeed_turbos09:30:020
171114992010,8cyclictest222240-21munin-run07:50:010
302487291191,4phc2sys0-21swapper/311:16:443
302487291190,2phc2sys0-21swapper/312:05:343
302487291190,2phc2sys0-21swapper/309:40:263
302487291190,2phc2sys0-21swapper/309:35:053
171116991916,1cyclictest0-21swapper/212:10:022
171116991916,1cyclictest0-21swapper/211:15:012
171116991916,1cyclictest0-21swapper/209:30:012
171116991916,1cyclictest0-21swapper/207:15:012
171116991915,2cyclictest0-21swapper/212:25:132
17111599199,2cyclictest439696-21sh10:15:381
17111599198,6cyclictest520940-21tail11:05:011
171115991915,2cyclictest0-21swapper/108:10:011
171115991912,3cyclictest425861-21fschecks_count10:10:121
17111599191,13cyclictest289633-21latency_hist08:45:011
171114991916,2cyclictest459679-21cut10:30:000
171114991911,7cyclictest0-21swapper/009:55:020
171114991911,7cyclictest0-21swapper/009:50:000
302487291180,5phc2sys651660-21turbostat12:20:003
302487291180,2phc2sys0-21swapper/312:39:453
302487291180,2phc2sys0-21swapper/310:22:423
171116991816,1cyclictest0-21swapper/211:25:022
171116991816,1cyclictest0-21swapper/209:40:012
171116991814,2cyclictest0-21swapper/210:00:012
171116991814,2cyclictest0-21swapper/209:50:022
17111599189,3cyclictest0-21swapper/111:35:001
171115991815,2cyclictest686564-21find12:40:011
171115991815,2cyclictest463421-21kthreadcore10:30:101
171115991815,2cyclictest351ktimers/107:55:011
171115991815,2cyclictest295934-21aten_repower_en08:50:021
171115991815,2cyclictest240649-21aten_repower_cu08:05:011
171115991813,1cyclictest5325141kthreadcore11:10:081
171115991810,1cyclictest601rcuop/309:59:121
17111499188,5cyclictest0-21swapper/012:10:070
17111499187,6cyclictest0-21swapper/010:25:010
171114991815,2cyclictest608615-21aten_repower_fr11:55:030
171114991815,2cyclictest328934-21/usr/sbin/munin09:15:000
171114991814,2cyclictest0-21swapper/011:20:020
17111499181,15cyclictest608208-21perf11:55:000
171114991810,2cyclictest494602-21cat10:50:010
302487291173,2phc2sys0-21swapper/310:00:103
302487291170,4phc2sys0-21swapper/311:20:413
302487291170,3phc2sys0-21swapper/310:48:303
302487291170,2phc2sys0-21swapper/309:54:293
171116991715,1cyclictest0-21swapper/212:25:022
171116991714,1cyclictest0-21swapper/212:36:412
171116991714,1cyclictest0-21swapper/211:40:002
171116991714,1cyclictest0-21swapper/211:10:012
171116991714,1cyclictest0-21swapper/209:55:012
171116991714,1cyclictest0-21swapper/209:45:002
171116991714,1cyclictest0-21swapper/208:50:012
17111599179,3cyclictest0-21swapper/112:10:021
17111599178,4cyclictest661216-21cat12:25:021
171115991714,2cyclictest529916-21cut11:10:021
171115991714,2cyclictest451100-21systemd-run10:25:001
171115991714,2cyclictest352044-21mailstats09:25:121
171115991714,2cyclictest339769-21kthreadcore09:20:071
171115991714,2cyclictest338083-21cpuspeed09:20:021
171115991714,2cyclictest234561-21munin-plugin-st08:00:001
171115991714,2cyclictest1635-21dbus-daemon11:00:011
171115991714,2cyclictest0-21swapper/111:20:021
171115991713,3cyclictest273951-21kthreadcore08:30:081
171115991712,2cyclictest170550irq/121-eno112:20:011
171115991711,5cyclictest673576-21kthreadcore12:30:101
17111499178,5cyclictest654823-21kthreadcore12:20:090
17111499178,5cyclictest581409-21runrttasks11:39:200
17111499178,5cyclictest356930-21kthreadcore09:30:080
17111499177,5cyclictest0-21swapper/012:05:150
171114991714,2cyclictest314388-21aten_repower_po09:05:020
171114991714,2cyclictest271501-21aten2.4-expect08:30:010
171114991714,2cyclictest171ktimers/009:16:080
171114991714,2cyclictest0-21swapper/008:20:020
171114991714,2cyclictest0-21swapper/007:40:010
171114991714,1cyclictest0-21swapper/011:45:020
171114991712,3cyclictest424908-21/usr/sbin/munin10:10:020
171114991712,3cyclictest424908-21/usr/sbin/munin10:10:020
171114991710,3cyclictest320138-21diskmemload10:13:320
835298160,5rtkit-daemon2025-21snmpd07:57:280
302487291161,2phc2sys0-21swapper/311:35:093
302487291160,3phc2sys0-21swapper/309:49:433
302487291160,2phc2sys0-21swapper/310:38:443
302487291160,2phc2sys0-21swapper/310:09:513
302487291160,2phc2sys0-21swapper/310:09:513
302487291160,2phc2sys0-21swapper/309:57:453
17111699161,7cyclictest0-21swapper/208:30:012
171116991614,1cyclictest0-21swapper/212:15:002
171116991614,1cyclictest0-21swapper/210:30:022
171116991613,1cyclictest0-21swapper/212:30:252
171116991613,1cyclictest0-21swapper/211:00:002
171116991613,1cyclictest0-21swapper/210:40:112
171116991613,1cyclictest0-21swapper/209:25:012
171116991613,1cyclictest0-21swapper/209:20:012
171116991612,2cyclictest0-21swapper/212:19:282
171116991612,2cyclictest0-21swapper/210:40:002
17111599169,3cyclictest375329-21kthreadcore09:40:081
17111599168,4cyclictest556374-21/usr/sbin/munin11:25:051
17111599168,3cyclictest351ktimers/108:13:391
17111599167,3cyclictest501rcuop/207:40:221
17111599167,3cyclictest501rcuop/207:40:221
171115991613,2cyclictest271483-21aten_repower_cu08:30:011
171115991613,2cyclictest256274-21kthreadcore08:15:101
171115991613,2cyclictest210202-21/usr/sbin/munin07:40:011
171115991613,2cyclictest196945-21mailstats07:25:141
171115991613,2cyclictest171170-21cut07:10:011
171115991613,2cyclictest1-21systemd12:05:011
171115991612,3cyclictest366910-21kthreadcore09:35:111
171115991612,3cyclictest171112-21cyclictest07:15:031
17111599160,8cyclictest425271-21sed10:10:031
17111599160,8cyclictest425271-21sed10:10:031
171114991614,1cyclictest0-21swapper/012:34:160
171114991613,2cyclictest7602-21cron07:35:010
171114991613,2cyclictest652024-21latency_hist12:20:010
171114991613,2cyclictest437328-21tr10:15:110
171114991613,2cyclictest283547-21idleruntime-cro08:40:000
171114991613,2cyclictest247097-21sh08:10:020
302487291156,2phc2sys0-21swapper/310:12:563
302487291151,2phc2sys0-21swapper/310:42:423
302487291150,4phc2sys0-21swapper/312:24:193
302487291150,3phc2sys0-21swapper/310:16:243
302487291150,2phc2sys0-21swapper/312:31:413
17111699158,3cyclictest0-21swapper/211:50:402
171116991513,1cyclictest0-21swapper/210:10:202
171116991513,1cyclictest0-21swapper/207:35:022
171116991512,1cyclictest0-21swapper/211:45:122
171116991512,1cyclictest0-21swapper/210:55:012
17111699150,12cyclictest0-21swapper/210:15:172
17111599157,3cyclictest501rcuop/209:04:491
17111599157,3cyclictest501rcuop/207:34:211
17111599157,3cyclictest501rcuop/207:21:101
17111599157,1cyclictest191rcu_preempt11:51:441
17111599154,5cyclictest0-21swapper/108:55:281
17111599154,5cyclictest0-21swapper/108:55:281
17111599154,4cyclictest425139-21kworker/u16:0+xprtiod11:46:581
17111599151,8cyclictest390109-21latency_hist09:50:021
171115991512,2cyclictest217526-21irqrtprio07:45:091
171115991511,3cyclictest425139-21kworker/u16:0+nfsiod11:44:281
171115991511,3cyclictest300318-21kthreadcore08:50:091
171115991511,1cyclictest601rcuop/309:54:591
171115991510,4cyclictest1652-1atopacctd10:45:051
17111499153,7cyclictest472513-21kthreadcore10:35:090
171114991512,2cyclictest521061-21cpu11:05:020
171114991512,2cyclictest177731-21if_eno107:15:020
171114991512,2cyclictest1635-21dbus-daemon09:40:000
171114991512,2cyclictest0-21swapper/012:30:000
171114991512,2cyclictest0-21swapper/008:50:010
302487291141,3phc2sys0-21swapper/312:14:563
302487291140,4phc2sys0-21swapper/309:22:573
302487291140,3phc2sys0-21swapper/311:09:593
302487291140,2phc2sys0-21swapper/312:29:153
171116991412,1cyclictest0-21swapper/211:03:522
171116991412,1cyclictest0-21swapper/209:30:052
171116991412,1cyclictest0-21swapper/209:00:012
171116991412,1cyclictest0-21swapper/209:00:012
171116991412,1cyclictest0-21swapper/208:15:002
171116991412,1cyclictest0-21swapper/207:20:012
171116991411,1cyclictest0-21swapper/211:56:122
171116991411,1cyclictest0-21swapper/208:35:052
171116991411,1cyclictest0-21swapper/208:05:172
171116991411,1cyclictest0-21swapper/207:25:112
17111599144,5cyclictest0-21swapper/108:20:131
171115991411,2cyclictest578246-21latency11:35:091
171115991411,2cyclictest495061-21cpu10:50:041
171115991411,2cyclictest176218-21phc2sys07:10:121
17111499145,4cyclictest0-21swapper/011:30:090
17111499145,2cyclictest0-21swapper/009:42:110
17111499145,2cyclictest0-21swapper/007:50:160
17111499141,3cyclictest213823-21cut07:40:100
17111499141,3cyclictest213823-21cut07:40:100
171114991411,2cyclictest413066-21timedrift10:00:140
171114991411,2cyclictest239884-21switchtime08:00:210
171114991411,2cyclictest177995-21kthreadcore07:15:030
171114991410,3cyclictest549933-21kthreadcore11:20:110
171114991410,3cyclictest196237-21kthreadcore07:25:110
302487291132,2phc2sys0-21swapper/307:20:123
302487291130,3phc2sys0-21swapper/311:02:513
302487291130,2phc2sys0-21swapper/311:54:083
302487291130,2phc2sys0-21swapper/307:50:253
17111699138,3cyclictest215621-21taskset07:40:252
17111699138,3cyclictest215621-21taskset07:40:252
17111699131,8cyclictest0-21swapper/207:10:022
17111699131,5cyclictest0-21swapper/208:40:042
171116991311,1cyclictest0-21swapper/211:45:002
171116991311,1cyclictest0-21swapper/211:25:092
171116991311,1cyclictest0-21swapper/211:17:352
171116991311,1cyclictest0-21swapper/210:35:002
171116991311,1cyclictest0-21swapper/210:00:252
171116991311,1cyclictest0-21swapper/209:10:022
171116991311,1cyclictest0-21swapper/208:20:022
171116991311,1cyclictest0-21swapper/207:40:012
171116991310,1cyclictest0-21swapper/211:30:092
171116991310,1cyclictest0-21swapper/208:50:082
17111499133,4cyclictest302176-21tail08:55:080
17111499133,4cyclictest302176-21tail08:55:080
17111499131,7cyclictest259168-21/usr/sbin/munin08:20:150
171114991310,2cyclictest315993-21kthreadcore09:05:070
171114991310,2cyclictest0-21swapper/008:40:110
302487291127,2phc2sys0-21swapper/311:40:193
302487291121,3phc2sys0-21swapper/308:40:073
302487291121,2phc2sys0-21swapper/307:48:443
302487291120,5phc2sys0-21swapper/311:49:233
302487291120,2phc2sys0-21swapper/308:54:253
302487291120,2phc2sys0-21swapper/307:43:563
302487291120,2phc2sys0-21swapper/307:43:563
17111699129,1cyclictest0-21swapper/207:45:102
171116991210,1cyclictest0-21swapper/210:20:022
171116991210,1cyclictest0-21swapper/209:10:102
171116991210,1cyclictest0-21swapper/208:20:082
171116991210,1cyclictest0-21swapper/207:20:122
17111499124,7cyclictest298072-21tr08:50:080
17111499121,6cyclictest252873-21dpkg08:15:000
302487291113,2phc2sys0-21swapper/311:30:083
302487291112,2phc2sys0-21swapper/309:17:543
302487291111,3phc2sys0-21swapper/308:05:003
302487291111,2phc2sys0-21swapper/309:30:003
302487291110,3phc2sys0-21swapper/311:11:393
302487291110,3phc2sys0-21swapper/309:10:043
302487291110,2phc2sys0-21swapper/310:25:213
302487291110,2phc2sys0-21swapper/308:55:263
302487291110,2phc2sys0-21swapper/308:55:263
302487291110,1phc2sys0-21swapper/308:22:433
302487291110,1phc2sys0-21swapper/307:30:253
17111699119,1cyclictest0-21swapper/209:00:092
17111699118,2cyclictest0-21swapper/208:00:112
17111499115,4cyclictest1635-21dbus-daemon07:10:010
3624192100,1sleep30-21swapper/309:32:203
302487291101,4phc2sys0-21swapper/309:05:013
302487291101,2phc2sys0-21swapper/310:31:363
302487291101,2phc2sys0-21swapper/309:05:033
302487291101,2phc2sys0-21swapper/308:25:073
302487291100,2phc2sys0-21swapper/312:05:023
302487291100,2phc2sys0-21swapper/311:55:043
302487291100,2phc2sys0-21swapper/311:27:513
302487291100,2phc2sys0-21swapper/310:50:553
302487291100,2phc2sys0-21swapper/308:45:083
302487291100,2phc2sys0-21swapper/308:36:563
302487291100,2phc2sys0-21swapper/308:32:243
302487291100,2phc2sys0-21swapper/308:10:003
302487291100,2phc2sys0-21swapper/307:15:153
17111699108,1cyclictest0-21swapper/207:55:042
30248729191,3phc2sys0-21swapper/307:25:073
30248729191,3phc2sys0-21swapper/307:10:053
30248729190,2phc2sys0-21swapper/308:15:053
30248729190,2phc2sys0-21swapper/307:55:103
30248729190,2phc2sys0-21swapper/307:35:063
30248729190,2phc2sys0-21swapper/307:05:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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