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2026-05-23 - 01:42
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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 Fri May 22, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
398430522040,2sleep30-21swapper/307:50:103
6826321510,1sleep168262-21ssh11:08:561
412656021050,2sleep13851705-21mta-sts-daemon09:40:011
409234521000,2sleep30-21swapper/309:15:063
41171582680,1sleep14117157-21ssh09:32:351
1671122590,1sleep0167110-21ssh12:11:520
41571952570,2sleep14157178-21packagekitd10:00:021
246632450,2sleep30-21swapper/310:40:043
41485502430,2sleep30-21swapper/309:54:583
1438452340,1sleep00-21swapper/011:56:200
3931591992927,1cyclictest0-21swapper/208:00:012
3931591992724,1cyclictest0-21swapper/208:10:002
39576252260,2sleep20-21swapper/207:30:052
3931588992620,2cyclictest191rcu_preempt07:55:001
3931588992417,2cyclictest191rcu_preempt08:35:031
3931586992414,6cyclictest0-21swapper/011:10:010
3931591992321,1cyclictest0-21swapper/210:35:012
3931591992320,1cyclictest0-21swapper/209:50:002
3931588992318,2cyclictest134050irq/121-eno111:35:031
3931588992315,3cyclictest0-21swapper/110:25:011
3931586992320,2cyclictest4042707-21grep08:40:010
3931586992320,2cyclictest107712-21head11:35:010
3931586992313,6cyclictest43354-21kthreadcore10:50:060
3931586992311,8cyclictest3985725-21munin-run07:55:000
3931591992219,1cyclictest0-21swapper/212:25:012
393158899223,7cyclictest4016695-21/usr/sbin/munin08:20:111
3931588992219,2cyclictest77197-21grep11:15:021
3931588992219,2cyclictest3992315-21gpgconf08:00:001
3931588992215,2cyclictest191rcu_preempt12:40:021
3931588992215,2cyclictest191rcu_preempt12:26:081
3931588992210,6cyclictest0-21swapper/109:19:571
3931586992212,6cyclictest0-21swapper/012:40:000
383433398220,4rtkit-daemon3851704-21mta-sts-daemon10:55:170
3931591992119,1cyclictest0-21swapper/207:10:012
3931591992118,1cyclictest0-21swapper/209:35:012
3931591992118,1cyclictest0-21swapper/208:30:002
3931588992113,4cyclictest191rcu_preempt09:25:001
3931588992111,6cyclictest36-21ksoftirqd/109:45:021
3931588992110,6cyclictest36-21ksoftirqd/110:35:021
393158699219,7cyclictest0-21swapper/010:35:040
3931586992112,5cyclictest0-21swapper/011:30:000
3931586992112,5cyclictest0-21swapper/011:30:000
3931586992110,6cyclictest0-21swapper/009:29:560
393159199202,5cyclictest0-21swapper/212:09:592
3931591992018,1cyclictest0-21swapper/211:25:022
3931591992017,1cyclictest0-21swapper/210:55:002
393158899207,8cyclictest4004824-21cstates08:10:001
393158899207,7cyclictest83845-21cat11:19:561
393158899204,10cyclictest4078874-21ptp4l-jitter09:05:091
393158899203,11cyclictest3952509-21gzip07:25:071
3931588992017,2cyclictest4017409-21cut08:20:011
3931588992015,4cyclictest3960271-21cstates07:35:021
3931588992014,2cyclictest191rcu_preempt12:00:041
3931586992018,1cyclictest123423-21/usr/sbin/munin11:45:020
3931586992017,2cyclictest3972822-21sh07:45:000
3931586992017,2cyclictest0-21swapper/009:45:020
3931591991917,1cyclictest0-21swapper/209:55:022
3931591991916,2cyclictest0-21swapper/210:30:032
3931591991916,1cyclictest0-21swapper/212:00:012
3931591991916,1cyclictest0-21swapper/208:40:002
3931591991916,1cyclictest0-21swapper/208:25:002
3931591991916,1cyclictest0-21swapper/207:25:012
3931591991916,1cyclictest0-21swapper/207:15:012
3931591991915,2cyclictest0-21swapper/209:00:012
393158899197,6cyclictest0-21swapper/108:54:581
393158899194,9cyclictest26300-21kthreadcore10:40:061
393158899193,9cyclictest142888-21phc2sys-jitter11:55:081
393158899192,8cyclictest183532-21sh12:24:571
3931588991916,2cyclictest3941564-21/usr/sbin/munin07:20:001
3931588991916,2cyclictest3931954-21if_enp1s0.807:10:021
3931588991916,2cyclictest23624-21/usr/sbin/munin10:40:001
3931588991916,2cyclictest1-21systemd10:50:001
3931588991916,2cyclictest0-21swapper/111:25:021
3931588991915,2cyclictest1290-21dbus-daemon09:50:101
3931588991914,2cyclictest134050irq/121-eno112:15:001
3931588991910,4cyclictest4187438-21fschecks_time10:20:011
393158899190,4cyclictest3979742-21munin-run07:50:021
393158899190,14cyclictest3948227-21systemd-run07:25:011
3931586991917,1cyclictest4054980-21apt-config08:50:000
3931586991916,2cyclictest4148947-21diskstats09:55:000
3931586991916,2cyclictest4095900-21munin-plugin-st09:20:010
3931586991916,2cyclictest4074115-21fschecks_count09:05:010
3931586991916,2cyclictest3942112-21irqrtprio07:20:020
3931586991912,3cyclictest3965883-21dpkg07:39:560
3931591991816,1cyclictest0-21swapper/211:00:052
3931591991816,1cyclictest0-21swapper/210:25:012
3931591991816,1cyclictest0-21swapper/208:05:022
3931591991815,1cyclictest0-21swapper/212:20:002
3931591991815,1cyclictest0-21swapper/211:50:022
3931591991815,1cyclictest0-21swapper/211:40:012
3931591991815,1cyclictest0-21swapper/211:20:002
3931591991815,1cyclictest0-21swapper/211:00:002
3931591991815,1cyclictest0-21swapper/210:00:042
3931591991815,1cyclictest0-21swapper/208:50:012
393159199180,6cyclictest0-21swapper/209:39:592
393158899188,4cyclictest4029235-21/usr/sbin/munin08:29:591
393158899187,2cyclictest0-21swapper/108:40:091
393158899185,5cyclictest3964438-21cut07:35:091
393158899183,9cyclictest8777-21munin-plugin-st10:30:011
393158899183,9cyclictest4176482-21cut10:10:051
393158899183,9cyclictest4073489-21cut09:04:581
393158899183,9cyclictest4005194-21expr08:10:021
393158899183,9cyclictest3995656-21cut08:00:051
393158899183,9cyclictest118009-21cut11:40:061
3931588991815,2cyclictest46460-21debian-sa110:55:001
3931588991815,2cyclictest4164743-21idleruntime10:05:011
3931588991815,2cyclictest3931584-21cyclictest08:30:121
3931588991815,2cyclictest199709-21gltestperf12:35:021
3931588991815,2cyclictest177035-21irqcore12:20:021
3931588991812,2cyclictest191rcu_preempt10:56:051
393158899180,11cyclictest115413-21munin-run11:40:021
393158699188,4cyclictest0-21swapper/011:35:060
3931586991815,2cyclictest4067897-21fschecks_time09:00:010
3931586991815,2cyclictest3948172-21irqcore07:25:010
3931586991815,2cyclictest3937925-21vmstat07:15:010
3931586991815,2cyclictest16250-21gltestperf10:35:010
3931586991811,6cyclictest73277-21kthreadcore11:10:060
3931586991810,4cyclictest3851705-21mta-sts-daemon09:13:310
2649091182,2phc2sys0-21swapper/308:36:443
2649091181,3phc2sys0-21swapper/311:47:343
2649091180,2phc2sys0-21swapper/309:13:163
3931591991715,1cyclictest0-21swapper/212:05:002
3931591991715,1cyclictest0-21swapper/211:30:012
3931591991715,1cyclictest0-21swapper/211:30:012
3931591991715,1cyclictest0-21swapper/210:10:022
3931591991714,1cyclictest0-21swapper/212:33:472
3931591991714,1cyclictest0-21swapper/211:35:012
3931591991714,1cyclictest0-21swapper/209:45:002
3931591991714,1cyclictest0-21swapper/208:55:022
3931591991713,2cyclictest0-21swapper/209:59:232
3931591991713,2cyclictest0-21swapper/207:45:002
393158899173,9cyclictest4052115-21cut08:45:051
393158899173,8cyclictest95443-21grep11:25:051
393158899173,8cyclictest95443-21grep11:25:041
393158899173,8cyclictest54575-21basename11:00:021
393158899173,8cyclictest4068141-21basename09:00:011
393158899173,8cyclictest3969967-21grep07:40:041
393158899173,8cyclictest156960-21cut12:05:061
393158899172,9cyclictest124291-21cut11:45:031
393158899171,6cyclictest4138271-21cut09:45:061
3931588991714,2cyclictest3937692-21wc07:15:001
3931588991714,2cyclictest0-21swapper/109:30:011
393158699179,2cyclictest0-21swapper/010:02:420
393158699178,5cyclictest0-21swapper/011:55:020
393158699177,5cyclictest0-21swapper/012:30:040
3931586991714,2cyclictest92679-21irqcore11:25:020
3931586991714,2cyclictest82140-21grep11:15:110
3931586991714,2cyclictest4029933-21fschecks_count08:30:010
3931586991714,2cyclictest3992333-21systemd-run08:00:000
3931586991714,2cyclictest0-21swapper/010:20:020
3931586991714,2cyclictest0-21swapper/008:55:010
3931586991714,2cyclictest0-21swapper/007:35:010
393158699171,2cyclictest4140777-21apt-get09:49:570
3931586991712,4cyclictest1996-21runrttasks12:21:500
3931586991711,5cyclictest3851703-21mta-sts-daemon09:39:180
393158699170,13cyclictest0-21swapper/009:23:240
2649091170,3phc2sys0-21swapper/311:24:103
2649091170,1phc2sys0-21swapper/312:29:363
2649091170,1phc2sys0-21swapper/309:22:093
393159199161,8cyclictest0-21swapper/207:20:002
3931591991614,1cyclictest0-21swapper/210:40:002
3931591991614,1cyclictest0-21swapper/210:10:012
3931591991614,1cyclictest0-21swapper/209:15:092
3931591991613,2cyclictest0-21swapper/212:15:002
3931591991613,2cyclictest0-21swapper/211:07:242
3931591991613,1cyclictest0-21swapper/211:50:122
3931591991613,1cyclictest0-21swapper/210:20:012
3931591991613,1cyclictest0-21swapper/209:25:002
3931591991613,1cyclictest0-21swapper/209:15:002
3931591991613,1cyclictest0-21swapper/209:05:022
3931591991613,1cyclictest0-21swapper/208:13:592
3931591991613,1cyclictest0-21swapper/207:30:022
3931591991612,2cyclictest0-21swapper/211:14:392
3931591991612,2cyclictest0-21swapper/210:47:092
393158899163,7cyclictest4165669-21cat10:05:031
393158899162,8cyclictest4084879-21cut09:10:061
393158899162,8cyclictest134082-21cut11:50:061
3931586991614,1cyclictest3851705-21mta-sts-daemon08:20:100
3931586991614,1cyclictest0-21swapper/012:20:020
3931586991613,2cyclictest4157181-21if_enp1s010:00:010
3931586991613,2cyclictest4048690-21munin-plugin-st08:45:000
3931586991613,2cyclictest4017287-21latency_hist08:20:000
3931586991613,2cyclictest38827-21fschecks_count10:50:000
3931586991611,2cyclictest3851703-21mta-sts-daemon12:27:010
3931586991610,5cyclictest3834789-21rpcbind07:48:510
3931586991610,4cyclictest1290-21dbus-daemon11:50:010
2649091160,2phc2sys0-21swapper/312:36:573
2649091160,2phc2sys0-21swapper/312:03:593
2649091160,2phc2sys0-21swapper/311:56:013
2649091160,2phc2sys0-21swapper/311:34:213
2649091160,2phc2sys0-21swapper/310:48:343
2649091160,2phc2sys0-21swapper/308:05:143
393159199152,7cyclictest0-21swapper/209:29:572
3931591991513,1cyclictest0-21swapper/211:40:062
3931591991513,1cyclictest0-21swapper/208:44:572
3931591991513,1cyclictest0-21swapper/208:15:032
3931591991512,2cyclictest0-21swapper/207:50:012
3931591991512,1cyclictest0-21swapper/212:28:262
393158699153,2cyclictest241rcuc/010:05:020
3931586991513,1cyclictest4188316-21kthreadcore10:20:040
3931586991513,1cyclictest0-21swapper/007:30:010
3931586991512,2cyclictest3998610-21cstates08:05:010
3931586991512,2cyclictest0-21swapper/010:45:010
383433398150,5rtkit-daemon3851702-21mta-sts-daemon12:07:220
2649091151,6phc2sys0-21swapper/307:44:573
2649091150,4phc2sys0-21swapper/309:39:563
2649091150,2phc2sys0-21swapper/310:25:333
2649091150,1phc2sys0-21swapper/312:16:463
3931591991412,1cyclictest0-21swapper/210:45:012
3931591991412,1cyclictest0-21swapper/208:35:022
3931591991412,1cyclictest0-21swapper/207:55:002
3931591991412,1cyclictest0-21swapper/207:39:592
393158699148,5cyclictest3998177-21kworker/u16:1-rpciod12:03:020
393158699147,4cyclictest3851705-21mta-sts-daemon11:00:150
393158699143,6cyclictest0-21swapper/010:11:530
3931586991412,1cyclictest4035894-21cpuspeed_turbos08:35:000
3931586991411,2cyclictest8325-21cstates10:29:590
3931586991411,2cyclictest4113042-21kthreadcore09:30:040
3931586991411,2cyclictest4010795-21tr08:14:590
2649091141,3phc2sys0-21swapper/311:27:593
2649091141,3phc2sys0-21swapper/311:27:593
2649091140,2phc2sys0-21swapper/310:12:103
2649091140,1phc2sys0-21swapper/312:13:023
2649091140,1phc2sys0-21swapper/312:07:073
40575842131,3sleep30-21swapper/308:50:063
3931591991311,1cyclictest0-21swapper/212:35:062
3931586991310,2cyclictest4075066-21kthreadcore09:05:050
3931586991310,2cyclictest171ktimers/008:05:100
2649091130,2phc2sys0-21swapper/311:11:583
2649091130,2phc2sys0-21swapper/307:11:183
2649091130,1phc2sys0-21swapper/311:09:193
2649091130,1phc2sys0-21swapper/308:59:003
3931591991210,1cyclictest0-21swapper/209:05:042
393158699129,2cyclictest3931595-21fschecks_time07:10:010
2649091122,3phc2sys0-21swapper/310:57:493
2649091121,5phc2sys0-21swapper/308:49:573
2649091121,2phc2sys0-21swapper/311:40:023
2649091121,2phc2sys0-21swapper/307:24:553
2649091120,3phc2sys0-21swapper/307:59:573
2649091120,2phc2sys0-21swapper/310:34:563
2649091120,2phc2sys0-21swapper/310:22:493
2649091120,2phc2sys0-21swapper/310:06:423
2649091120,1phc2sys0-21swapper/308:43:493
2649091116,2phc2sys0-21swapper/312:34:433
2649091112,2phc2sys0-21swapper/309:45:583
2649091112,1phc2sys0-21swapper/309:05:173
2649091111,2phc2sys0-21swapper/312:24:353
2649091111,2phc2sys0-21swapper/307:05:023
2649091110,4phc2sys0-21swapper/308:24:573
2649091110,2phc2sys0-21swapper/309:44:573
2649091110,1phc2sys0-21swapper/308:31:593
2649091110,1phc2sys0-21swapper/307:35:373
2649091110,1phc2sys0-21swapper/307:34:203
226932110,2sleep30-21swapper/310:38:563
2649091102,2phc2sys0-21swapper/311:17:053
2649091101,3phc2sys0-21swapper/307:29:593
2649091101,2phc2sys0-21swapper/310:50:033
2649091101,2phc2sys0-21swapper/309:04:573
2649091101,2phc2sys0-21swapper/308:15:043
2649091100,3phc2sys0-21swapper/311:54:573
2649091100,2phc2sys0-21swapper/311:44:563
2649091100,2phc2sys0-21swapper/311:00:543
2649091100,2phc2sys0-21swapper/310:18:003
2649091100,2phc2sys0-21swapper/310:05:013
2649091100,2phc2sys0-21swapper/309:32:193
2649091100,2phc2sys0-21swapper/309:25:173
264909191,4phc2sys3941517-21turbostat07:20:003
264909191,2phc2sys0-21swapper/308:01:543
264909190,2phc2sys0-21swapper/308:25:543
264909190,2phc2sys0-21swapper/307:45:033
264909190,1phc2sys0-21swapper/309:55:523
264909190,1phc2sys0-21swapper/308:10:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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