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2026-06-24 - 23:20
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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 all highest latencies:
System rackeslot2.osadl.org (updated Wed Jun 24, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40800112990,2sleep30-21swapper/307:10:033
1102252680,1sleep0110223-21ssh10:02:130
3111392670,1sleep1311138-21ssh12:17:411
41423792350,1sleep00-21swapper/008:00:100
1978022330,1sleep20-21swapper/211:00:102
1728102310,2sleep30-21swapper/310:45:083
4079464992823,3cyclictest0-21swapper/107:20:001
4079463992718,7cyclictest163659-21cpuspeed_turbos10:40:030
4079464992623,2cyclictest4079534-21latency_hist07:10:021
4079465992521,2cyclictest0-21swapper/208:50:022
4079464992522,2cyclictest304888-21cpuspeed_turbos12:15:011
4079463992415,5cyclictest104025-21systemd-run10:00:010
4079464992320,2cyclictest126160-21latency_hist10:15:001
4079464992317,2cyclictest67250irq/126-eno111:05:021
4079464992314,3cyclictest0-21swapper/108:50:011
407946399233,13cyclictest660-21dbus-daemon07:40:010
4079463992320,2cyclictest66932-21aten_repower_fr09:35:030
4079463992320,2cyclictest148438-21systemd10:30:010
4079463992317,5cyclictest0-21swapper/009:10:010
4079463992316,6cyclictest210989-21kthreadcore11:10:090
4079463992314,5cyclictest216498-21fschecks_time11:15:050
4079463992313,6cyclictest0-21swapper/012:25:020
4079463992313,5cyclictest0-21swapper/011:50:010
4079465992220,1cyclictest0-21swapper/210:20:012
4079464992219,2cyclictest89294-21/usr/sbin/munin09:50:031
4079464992219,2cyclictest4174402-21aten_repower_en08:30:001
4079464992219,2cyclictest187004-21sh10:55:031
407946399222,15cyclictest0-21swapper/012:30:050
4079463992219,2cyclictest4089177-21cstates07:20:020
4079463992219,2cyclictest118752-21systemd-run10:10:010
4079463992211,6cyclictest0-21swapper/010:25:020
4079465992118,1cyclictest0-21swapper/212:25:012
4079465992118,1cyclictest0-21swapper/210:30:012
4079464992118,2cyclictest693-21systemd-logind08:15:021
4079463992115,5cyclictest321732-21kthreadcore12:25:080
492398200,3rtkit-daemon1242-21mta-sts-daemon07:38:111
4079465992018,1cyclictest0-21swapper/211:50:022
4079465992018,1cyclictest0-21swapper/210:55:032
4079465992016,1cyclictest0-21swapper/209:50:012
407946599201,12cyclictest0-21swapper/211:20:022
4079465992010,3cyclictest0-21swapper/211:30:022
4079464992017,2cyclictest59744-21cpuspeed_turbos09:30:031
4079463992017,2cyclictest304975-21cstates12:15:010
4079463992016,3cyclictest81683-21latency_hist09:45:020
4079463992012,7cyclictest1247-21mta-sts-daemon12:01:250
4079463992011,5cyclictest4107290-21aten2.4-expect07:35:020
4079465991917,1cyclictest0-21swapper/210:05:022
4079465991917,1cyclictest0-21swapper/209:40:022
4079465991916,1cyclictest0-21swapper/210:40:012
407946499198,4cyclictest0-21swapper/112:25:001
4079464991916,2cyclictest238352-21sh11:30:021
4079464991916,2cyclictest0-21swapper/109:25:011
4079464991916,2cyclictest0-21swapper/107:25:021
4079464991910,4cyclictest0-21swapper/107:45:011
4079463991917,1cyclictest241rcuc/009:40:010
4079463991916,2cyclictest275473-21cstates11:55:020
4079463991916,2cyclictest260850-21cstates11:45:030
4079463991916,2cyclictest245321-21latency_hist11:35:010
4079463991916,2cyclictest155857-21aten2.4-expect10:35:010
3153791190,2phc2sys0-21swapper/311:01:173
1358102190,2sleep30-21swapper/310:20:073
4079465991816,1cyclictest0-21swapper/208:15:032
4079465991815,1cyclictest0-21swapper/211:05:102
4079465991815,1cyclictest0-21swapper/208:00:022
4079465991815,1cyclictest0-21swapper/207:55:012
4079464991815,2cyclictest4162530-21cut08:20:021
4079464991815,2cyclictest30119-21grep09:10:041
4079464991815,2cyclictest282723-21kworker/u16:1-events_unbound12:10:011
4079464991815,2cyclictest23101-21apt-get09:05:011
4079464991815,2cyclictest0-21swapper/108:05:021
4079464991814,3cyclictest70-21kcompactd012:03:481
4079464991811,3cyclictest249403-21kthreadcore11:35:101
4079464991811,2cyclictest0-21swapper/110:50:031
4079464991810,4cyclictest230530-21ls11:25:001
4079464991810,4cyclictest153327-21latency10:30:111
407946499180,3cyclictest192053-21ssh10:56:111
4079463991815,2cyclictest693-21systemd-logind08:58:320
4079463991815,2cyclictest4125782-21cut07:50:020
4079463991815,2cyclictest4101509-21cstates07:30:020
4079463991815,2cyclictest4079461-21cyclictest08:10:120
4079463991815,2cyclictest193859-21sh11:00:030
4079463991815,2cyclictest119609-21grep10:10:040
4079463991815,2cyclictest0-21swapper/009:55:010
4079463991810,4cyclictest41789-21grep09:15:120
4079463991810,4cyclictest132797-21sshd10:18:030
4079463991810,3cyclictest1237-21mta-sts-daemon11:00:340
4079465991714,1cyclictest0-21swapper/209:10:022
4079465991714,1cyclictest0-21swapper/207:20:022
4079465991712,2cyclictest0-21swapper/209:15:012
407946499179,3cyclictest0-21swapper/109:40:011
4079464991714,2cyclictest765-1atopacctd12:35:121
4079464991714,2cyclictest141776-21sh10:25:031
4079464991714,2cyclictest0-21swapper/108:00:011
4079464991713,3cyclictest44055-21idleruntime-cro09:20:011
4079464991713,2cyclictest0-21swapper/110:00:021
4079464991711,2cyclictest67250irq/126-eno110:20:141
407946499170,3cyclictest117200-21ssh10:05:451
407946399178,8cyclictest51682-21cpuspeed09:25:010
407946399177,4cyclictest4067198-21kworker/0:2+events07:55:070
4079463991715,1cyclictest0-21swapper/008:45:010
4079463991714,2cyclictest87237-21head09:45:170
4079463991714,2cyclictest781-21gmain11:59:300
4079463991714,2cyclictest4132095-21fschecks_count07:55:020
4079463991714,2cyclictest4119366-21aten_repower_vo07:45:010
4079463991714,2cyclictest36682-21systemd-run09:15:010
4079463991714,2cyclictest342280-21cstates12:40:020
4079463991714,2cyclictest297625-21cpuspeed_turbos12:10:020
4079463991711,5cyclictest4186609-21aten2.4-expect08:40:010
4079463991711,5cyclictest0-21swapper/011:25:010
3153791171,2phc2sys0-21swapper/309:42:463
4079465991614,1cyclictest0-21swapper/212:32:272
4079465991614,1cyclictest0-21swapper/212:05:182
4079465991614,1cyclictest0-21swapper/210:00:012
4079465991614,1cyclictest0-21swapper/207:15:022
4079465991613,1cyclictest0-21swapper/211:58:262
4079465991613,1cyclictest0-21swapper/211:10:052
4079465991613,1cyclictest0-21swapper/210:40:082
4079465991612,2cyclictest0-21swapper/210:21:212
4079464991614,1cyclictest4085552-21/usr/sbin/munin07:15:011
4079464991613,2cyclictest671-21polkitd08:55:011
4079464991613,2cyclictest201020-21kworker/u16:2-ext4-rsv-conversion11:45:011
4079464991613,2cyclictest1242-21mta-sts-daemon11:12:361
4079464991613,2cyclictest1-21systemd10:35:131
4079464991613,2cyclictest0-21swapper/108:25:011
4079464991613,2cyclictest0-21swapper/108:10:011
407946499161,2cyclictest223002-21apt-get11:20:001
4079464991612,3cyclictest4182018-21kthreadcore08:35:091
4079464991612,3cyclictest239520-21kthreadcore11:30:081
4079464991612,3cyclictest164791-21kthreadcore10:40:081
4079464991612,1cyclictest67250irq/126-eno109:31:571
4079463991613,2cyclictest5354-21grep08:50:020
4079463991613,2cyclictest4031027-21GUsbEventThread08:08:020
4079463991613,2cyclictest312052-21grep12:20:010
4079463991613,2cyclictest23213-21aten_repower_cu09:05:020
4079463991613,2cyclictest201020-21kworker/u16:2-ext4-rsv-conversion11:30:020
4079463991613,2cyclictest11315-21cut08:55:020
4079463991613,2cyclictest0-21swapper/010:50:030
4079463991612,3cyclictest4082476-21kthreadcore07:10:090
3153791160,3phc2sys0-21swapper/311:17:473
3153791160,2phc2sys0-21swapper/311:48:193
3153791160,2phc2sys0-21swapper/311:23:053
3153791160,2phc2sys0-21swapper/309:26:503
41253322150,0sleep14125335-21ls07:50:011
4079465991513,1cyclictest0-21swapper/212:28:382
4079465991513,1cyclictest0-21swapper/211:55:012
4079465991513,1cyclictest0-21swapper/211:25:022
4079465991513,1cyclictest0-21swapper/210:45:142
4079465991513,1cyclictest0-21swapper/209:25:012
4079465991513,1cyclictest0-21swapper/209:05:012
4079465991513,1cyclictest0-21swapper/208:20:012
4079465991512,1cyclictest0-21swapper/210:31:262
4079465991512,1cyclictest0-21swapper/209:45:002
4079465991512,1cyclictest0-21swapper/209:25:152
4079465991512,1cyclictest0-21swapper/208:20:062
4079465991512,1cyclictest0-21swapper/207:45:012
4079465991512,1cyclictest0-21swapper/207:35:022
407946499159,5cyclictest1242-21mta-sts-daemon11:07:281
4079464991513,1cyclictest1020-21runrttasks11:45:201
4079464991512,2cyclictest4101783-21gltestperf07:30:041
4079464991512,2cyclictest24021-21gltestperf09:05:061
4079464991512,2cyclictest13918-21kthreadcore08:55:071
4079464991512,2cyclictest130582-21kthreadcore10:15:091
4079464991512,2cyclictest1242-21mta-sts-daemon08:35:011
4079464991512,2cyclictest0-21swapper/107:55:021
4079464991511,3cyclictest660-21dbus-daemon10:05:031
4079464991511,3cyclictest4099470-21kthreadcore07:25:081
407946399158,5cyclictest4093271-21tr07:20:090
407946399156,5cyclictest179198-21cstates10:50:050
4079463991512,2cyclictest671-21polkitd11:10:020
4079463991512,2cyclictest4174388-21cut08:30:010
4079463991512,2cyclictest4079696-21aten_repower_fr07:10:020
4079463991512,2cyclictest1237-21mta-sts-daemon11:36:570
4079463991512,2cyclictest0-21swapper/010:40:030
4079463991511,3cyclictest671-21polkitd08:35:020
4079463991511,3cyclictest4159377-21kthreadcore08:15:090
407946399150,7cyclictest660-21dbus-daemon09:30:010
3153791151,5phc2sys0-21swapper/309:40:003
3153791150,2phc2sys0-21swapper/308:35:223
3153791150,2phc2sys0-21swapper/308:25:023
3153791150,1phc2sys0-21swapper/309:34:503
4079465991412,1cyclictest0-21swapper/212:05:022
4079465991412,1cyclictest0-21swapper/211:35:022
4079465991412,1cyclictest0-21swapper/210:57:562
4079465991412,1cyclictest0-21swapper/209:00:022
4079465991412,1cyclictest0-21swapper/208:25:022
4079465991412,1cyclictest0-21swapper/207:35:072
4079465991411,2cyclictest0-21swapper/210:08:072
4079465991411,2cyclictest0-21swapper/208:35:092
4079465991411,1cyclictest0-21swapper/212:35:102
4079465991411,1cyclictest0-21swapper/212:20:012
4079465991411,1cyclictest0-21swapper/211:45:012
4079465991411,1cyclictest0-21swapper/209:32:532
4079465991411,1cyclictest0-21swapper/207:50:012
4079464991411,2cyclictest94296-21mailstats09:50:131
4079464991411,2cyclictest327722-21fschecks_count12:30:041
4079464991411,2cyclictest278541-21kthreadcore11:55:081
4079464991411,2cyclictest1020-21runrttasks12:28:411
4079464991411,2cyclictest0-21swapper/108:45:021
4079464991410,3cyclictest269141-21kthreadcore11:50:061
4079463991411,2cyclictest4168428-21acpi08:25:010
3153791142,3phc2sys0-21swapper/311:32:153
3153791140,3phc2sys0-21swapper/312:35:003
3153791140,3phc2sys0-21swapper/308:50:133
3153791140,2phc2sys0-21swapper/312:04:153
3153791140,2phc2sys0-21swapper/310:36:473
3153791140,2phc2sys0-21swapper/310:18:143
3153791140,2phc2sys0-21swapper/310:05:063
3153791140,2phc2sys0-21swapper/309:58:413
3153791140,2phc2sys0-21swapper/308:06:313
4079465991311,1cyclictest0-21swapper/212:12:182
4079465991311,1cyclictest0-21swapper/211:35:352
4079465991311,1cyclictest0-21swapper/209:52:282
4079465991311,1cyclictest0-21swapper/208:55:022
4079465991311,1cyclictest0-21swapper/207:25:042
4079465991310,1cyclictest0-21swapper/208:45:002
4079465991310,1cyclictest0-21swapper/208:35:022
4079465991310,1cyclictest0-21swapper/208:05:122
4079465991310,1cyclictest0-21swapper/208:00:132
407946499132,7cyclictest74182-21kworker/u16:1+xprtiod09:44:291
3153791134,2phc2sys0-21swapper/311:00:013
3153791130,2phc2sys0-21swapper/312:24:503
3153791130,2phc2sys0-21swapper/311:43:053
3153791130,2phc2sys0-21swapper/311:38:483
3153791130,2phc2sys0-21swapper/309:45:263
3153791130,2phc2sys0-21swapper/308:10:083
3153791130,1phc2sys0-21swapper/312:05:583
407946599121,6cyclictest0-21swapper/207:10:022
4079465991210,1cyclictest0-21swapper/210:12:262
4079465991210,1cyclictest0-21swapper/209:15:082
4079465991210,1cyclictest0-21swapper/207:24:292
3153791123,2phc2sys0-21swapper/310:00:053
3153791123,2phc2sys0-21swapper/308:03:273
3153791121,4phc2sys0-21swapper/312:40:003
3153791120,3phc2sys0-21swapper/310:12:543
3153791120,3phc2sys0-21swapper/309:11:223
3153791120,2phc2sys0-21swapper/311:27:063
3153791120,2phc2sys0-21swapper/311:09:563
3153791120,2phc2sys0-21swapper/308:45:573
3153791120,2phc2sys0-21swapper/307:28:073
3153791120,1phc2sys0-21swapper/308:17:213
3153791120,1phc2sys0-21swapper/307:54:213
3153791111,2phc2sys0-21swapper/311:55:073
3153791111,2phc2sys0-21swapper/311:10:233
3153791111,2phc2sys0-21swapper/310:40:093
3153791110,3phc2sys0-21swapper/307:35:023
3153791110,2phc2sys0-21swapper/312:20:013
3153791110,2phc2sys0-21swapper/312:14:593
3153791110,2phc2sys0-21swapper/310:51:033
3153791110,2phc2sys0-21swapper/310:31:073
3153791110,2phc2sys0-21swapper/309:17:443
3153791110,2phc2sys0-21swapper/308:26:423
3153791110,1phc2sys0-21swapper/312:25:463
3153791101,2phc2sys0-21swapper/309:54:483
3153791101,2phc2sys0-21swapper/307:50:003
3153791101,2phc2sys0-21swapper/307:05:083
3153791100,3phc2sys0-21swapper/311:51:353
3153791100,3phc2sys0-21swapper/309:05:013
3153791100,2phc2sys0-21swapper/309:22:413
3153791100,2phc2sys0-21swapper/308:58:323
3153791100,2phc2sys0-21swapper/307:25:003
315379190,3phc2sys0-21swapper/307:20:023
315379190,2phc2sys0-21swapper/310:25:103
315379190,2phc2sys0-21swapper/309:05:063
315379190,2phc2sys0-21swapper/308:40:133
315379190,2phc2sys0-21swapper/308:30:033
315379190,2phc2sys0-21swapper/307:55:053
315379190,2phc2sys0-21swapper/307:40:033
315379190,1phc2sys0-21swapper/307:38:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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