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2026-04-04 - 15:34
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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 Sat Apr 04, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
418428721030,1sleep14184283-21ps07:46:111
40682021030,1sleep1406826-21cut12:36:101
18046721000,1sleep20-21swapper/210:06:122
4089572970,2sleep30-21swapper/312:36:123
41588332440,2sleep30-21swapper/307:26:093
2222442360,2sleep1222220-21ssh10:31:161
1868072280,2sleep30-21swapper/310:11:023
4136649992718,5cyclictest3880722-21gmain10:25:020
4136650992522,2cyclictest0-21swapper/111:20:011
3686632240,2sleep20-21swapper/212:11:092
413664999238,5cyclictest0-21swapper/009:47:100
4136649992219,2cyclictest4170329-21gpgconf07:35:000
4136649992213,5cyclictest3851702-21mta-sts-daemon09:31:120
4136649992211,6cyclictest0-21swapper/009:41:130
4136651992116,1cyclictest0-21swapper/212:40:002
4136650992117,3cyclictest0-21swapper/108:20:021
4136650992115,2cyclictest134050irq/121-eno110:51:101
4136649992117,3cyclictest374619-21systemd-run12:15:000
4136650992017,2cyclictest4143113-21aten_repower_po07:15:011
4136650992015,4cyclictest3851703-21mta-sts-daemon10:57:501
4136650992012,6cyclictest0-21swapper/111:55:021
413664999209,6cyclictest0-21swapper/010:51:060
4136649992014,5cyclictest4136643-21cyclictest10:36:180
4136649992014,5cyclictest1-21systemd10:16:100
4136649992013,2cyclictest11systemd07:50:010
413664999200,9cyclictest307646-21ssh11:31:030
413665099199,5cyclictest0-21swapper/112:06:121
4136650991916,2cyclictest4170475-21apt-config07:35:001
4136650991916,2cyclictest353512-21idleruntime12:01:091
4136650991916,2cyclictest148550-21/usr/sbin/munin09:45:011
4136650991915,3cyclictest4142953-21munin-node11:29:581
413664999198,6cyclictest0-21swapper/012:16:060
4136649991916,2cyclictest389853-21cron12:25:000
4136649991911,7cyclictest0-21swapper/011:30:010
413665199181,9cyclictest0-21swapper/209:31:042
4136651991816,1cyclictest0-21swapper/209:50:012
4136651991815,1cyclictest0-21swapper/210:35:082
4136651991815,1cyclictest0-21swapper/210:30:012
4136651991815,1cyclictest0-21swapper/209:51:192
4136651991814,2cyclictest0-21swapper/210:50:012
4136650991815,2cyclictest3840882-21snmpd11:39:401
4136650991815,2cyclictest236969-21missed_timers10:41:131
4136650991815,2cyclictest0-21swapper/111:05:011
4136650991815,2cyclictest0-21swapper/109:30:021
4136650991812,3cyclictest135936-21kthreadcore09:36:131
4136650991812,2cyclictest134050irq/121-eno111:31:091
4136650991811,3cyclictest228941-21kthreadcore10:36:131
413664999188,9cyclictest0-21swapper/007:56:060
413664999185,8cyclictest269487-21cat11:05:000
4136649991815,2cyclictest3824565-21in:imuxsock10:25:020
4136649991815,2cyclictest275718-21grep11:06:190
4136649991815,2cyclictest0-21swapper/007:20:000
4136649991814,3cyclictest3824565-21in:imuxsock12:35:010
4136649991810,7cyclictest0-21swapper/010:35:020
383433398180,7rtkit-daemon3851704-21mta-sts-daemon10:46:100
383433398180,3rtkit-daemon3851702-21mta-sts-daemon11:50:370
3807402180,2sleep30-21swapper/312:16:203
2649091180,2phc2sys0-21swapper/310:24:543
4136651991714,1cyclictest0-21swapper/207:35:002
4136651991711,4cyclictest4149964-21taskset07:16:142
413665099178,4cyclictest0-21swapper/110:06:131
4136650991714,2cyclictest77001-21cut08:55:011
4136650991714,2cyclictest57253-21sshd08:36:151
4136650991714,2cyclictest398850-21sh12:31:071
4136650991714,2cyclictest393708-21kthreadcore12:26:151
4136650991714,2cyclictest239597-21aten_repower_en10:46:051
4136650991714,2cyclictest201246-21ssh10:20:001
4136650991714,2cyclictest109832-21kworker/u16:0-events_power_efficient10:00:011
4136650991713,3cyclictest3824567-21rs:main1
4136650991711,2cyclictest134050irq/121-eno111:07:091
413664999178,7cyclictest54939-21tr08:36:120
413664999177,6cyclictest0-21swapper/010:06:150
4136649991715,1cyclictest0-21swapper/011:00:000
4136649991714,2cyclictest4176721-21cron07:40:000
4136649991714,2cyclictest4142962-21interrupts07:15:010
4136649991714,2cyclictest0-21swapper/010:45:000
4136649991713,3cyclictest191932-21phc2sys-jitter10:11:130
4136649991713,2cyclictest337187-21/usr/sbin/munin11:50:020
4136649991713,2cyclictest0-21swapper/008:20:000
383433398170,2rtkit-daemon0-21swapper/110:04:351
383433398170,2rtkit-daemon0-21swapper/110:04:351
2649091170,2phc2sys0-21swapper/311:59:383
2649091170,2phc2sys0-21swapper/310:43:383
413665199161,8cyclictest0-21swapper/209:41:052
4136651991614,1cyclictest0-21swapper/212:05:022
4136651991614,1cyclictest0-21swapper/210:01:072
4136651991614,1cyclictest0-21swapper/210:01:072
4136651991614,1cyclictest0-21swapper/209:20:012
4136651991614,1cyclictest0-21swapper/209:00:022
4136651991613,1cyclictest0-21swapper/212:16:122
4136651991613,1cyclictest0-21swapper/211:56:162
4136651991613,1cyclictest0-21swapper/211:36:132
4136651991613,1cyclictest0-21swapper/211:10:012
4136651991613,1cyclictest0-21swapper/211:00:002
4136651991613,1cyclictest0-21swapper/210:51:192
4136651991613,1cyclictest0-21swapper/210:41:102
4136651991613,1cyclictest0-21swapper/210:16:102
4136651991612,2cyclictest0-21swapper/211:26:142
4136651991612,2cyclictest0-21swapper/209:26:172
4136650991613,2cyclictest4148736-21kthreadcore07:16:141
4136650991613,2cyclictest3880722-21gmain08:40:021
4136650991613,2cyclictest3851875-21systemd-journal11:45:001
4136650991613,2cyclictest383900-21ps12:21:101
4136650991613,2cyclictest3827634-1atopacctd08:50:011
4136650991613,2cyclictest330882-21grep11:46:081
4136650991613,2cyclictest1996-21runrttasks10:28:581
4136650991613,2cyclictest133579-21latency_hist09:35:021
4136650991613,2cyclictest112726-21irqrtprio09:21:091
4136650991613,2cyclictest105302-21kthreadcore09:16:121
4136650991612,3cyclictest187574-21sed10:11:061
4136650991612,2cyclictest95841-21ssh09:10:021
413664999169,3cyclictest95682-21diskmemload09:23:240
413664999167,5cyclictest0-21swapper/011:16:130
413664999166,5cyclictest0-21swapper/010:00:010
4136649991613,2cyclictest95690-21idleruntime-cro09:10:010
4136649991613,2cyclictest75519-21kthreadcore08:51:140
4136649991613,2cyclictest345311-21aten2.4-expect11:56:050
4136649991613,2cyclictest110899-21/usr/sbin/munin09:20:000
4136649991613,2cyclictest0-21swapper/012:30:010
4136649991612,3cyclictest3851705-21mta-sts-daemon10:02:060
4136649991612,3cyclictest3851705-21mta-sts-daemon10:02:060
4136649991612,3cyclictest36972-21kthreadcore08:21:130
4136649991612,3cyclictest324932-21kthreadcore11:41:120
4136649991612,3cyclictest1426-21gdbus11:25:000
4136649991610,5cyclictest354054-21kthreadcore12:01:110
2649091160,3phc2sys0-21swapper/309:15:523
2649091160,2phc2sys0-21swapper/311:36:013
2649091160,2phc2sys0-21swapper/311:14:073
2649091160,2phc2sys0-21swapper/310:55:523
413665199159,2cyclictest0-21swapper/212:25:022
4136651991513,1cyclictest0-21swapper/209:15:002
4136651991513,1cyclictest0-21swapper/209:10:022
4136651991512,1cyclictest0-21swapper/212:31:072
4136651991512,1cyclictest0-21swapper/212:26:482
4136651991512,1cyclictest0-21swapper/211:41:142
4136651991512,1cyclictest0-21swapper/211:24:402
4136651991512,1cyclictest0-21swapper/211:16:122
4136651991512,1cyclictest0-21swapper/211:01:092
4136651991512,1cyclictest0-21swapper/210:31:072
4136651991512,1cyclictest0-21swapper/208:50:012
4136651991512,1cyclictest0-21swapper/207:30:002
413665099159,5cyclictest3851702-21mta-sts-daemon11:59:211
413665099156,2cyclictest134050irq/121-eno109:51:061
413665099155,6cyclictest4170833-21sshd07:35:561
4136650991512,2cyclictest84292-21gltestperf09:01:081
4136650991512,2cyclictest4160106-21kthreadcore07:26:121
4136650991512,2cyclictest3851702-21mta-sts-daemon08:31:131
4136650991512,2cyclictest377511-21kthreadcore12:16:131
4136650991512,2cyclictest293588-21irqcore11:21:091
4136650991512,2cyclictest0-21swapper/110:21:131
4136650991511,3cyclictest4157114-21switchtime07:21:181
4136650991511,3cyclictest280085-21kthreadcore11:11:111
4136650991511,3cyclictest101662-21mailstats09:11:171
4136650991510,4cyclictest3834332-21rtkit-daemon08:55:101
413664999157,7cyclictest0-21swapper/009:11:060
413664999156,3cyclictest4177261-21telnet07:41:060
413664999151,9cyclictest14393-21runrttasks08:06:050
413664999151,3cyclictest125775-21cat09:30:000
4136649991512,2cyclictest89689-21cut09:05:020
4136649991512,2cyclictest45861-21systemd-run08:30:020
4136649991512,2cyclictest408748-21kthreadcore12:36:110
4136649991512,2cyclictest3851705-21mta-sts-daemon11:14:020
4136649991512,2cyclictest24400-21kthreadcore08:11:130
4136649991512,2cyclictest139203-21mailstats09:36:180
4136649991511,3cyclictest4193777-21kthreadcore07:51:140
4136649991511,2cyclictest0-21swapper/008:45:020
4136649991510,1cyclictest95682-21diskmemload12:06:180
2649091151,2phc2sys0-21swapper/309:41:053
2649091150,2phc2sys0-21swapper/311:27:583
2649091150,2phc2sys0-21swapper/310:34:563
2649091150,2phc2sys0-21swapper/310:06:073
413665199146,4cyclictest0-21swapper/210:21:052
4136651991412,1cyclictest0-21swapper/212:06:062
4136651991412,1cyclictest0-21swapper/209:01:042
4136651991412,1cyclictest0-21swapper/208:16:132
4136651991412,1cyclictest0-21swapper/208:06:092
4136651991412,1cyclictest0-21swapper/208:01:092
4136651991412,1cyclictest0-21swapper/207:15:022
4136651991411,1cyclictest0-21swapper/211:51:072
4136651991411,1cyclictest0-21swapper/211:46:112
4136651991411,1cyclictest0-21swapper/209:56:062
4136651991411,1cyclictest0-21swapper/209:24:012
4136651991411,1cyclictest0-21swapper/208:41:132
4136651991411,1cyclictest0-21swapper/207:40:172
4136651991410,2cyclictest0-21swapper/211:31:042
4136650991411,2cyclictest4136489-21latency_hist07:10:021
4136650991411,2cyclictest2718-21if_enp1s0.807:56:101
4136650991411,2cyclictest152020-21kthreadcore09:46:121
4136650991411,2cyclictest0-21swapper/112:11:071
4136650991410,3cyclictest4189678-21aten_repower_en07:51:061
4136650991410,3cyclictest34777-21kthreadcore08:21:121
4136650991410,3cyclictest22449-21kthreadcore08:11:121
4136650991410,3cyclictest12052-21kthreadcore08:01:141
4136649991411,2cyclictest83174-21perf09:00:000
4136649991411,2cyclictest70015-21switchtime08:46:170
4136649991411,2cyclictest4159428-21sed07:26:120
4136649991411,2cyclictest4153768-21kthreadcore07:21:130
4136649991411,2cyclictest1296-21polkitd08:35:000
2649091141,3phc2sys0-21swapper/311:16:053
2649091140,2phc2sys0-21swapper/311:06:153
2649091140,2phc2sys0-21swapper/309:24:293
2649091140,2phc2sys0-21swapper/308:06:343
2649091140,1phc2sys0-21swapper/312:09:523
2649091140,1phc2sys0-21swapper/310:29:033
413665199139,2cyclictest0-21swapper/208:37:082
413665199131,7cyclictest0-21swapper/207:51:062
4136651991311,1cyclictest0-21swapper/211:11:082
4136651991311,1cyclictest0-21swapper/208:51:112
4136651991310,2cyclictest0-21swapper/209:36:112
4136651991310,1cyclictest0-21swapper/210:11:072
4136651991310,1cyclictest0-21swapper/208:21:112
4136651991310,1cyclictest0-21swapper/208:15:012
4136651991310,1cyclictest0-21swapper/207:55:232
4136651991310,1cyclictest0-21swapper/207:36:072
4136651991310,1cyclictest0-21swapper/207:21:072
413665099136,5cyclictest42999-21tr08:26:121
4136650991310,2cyclictest0-21swapper/108:06:111
413664999136,5cyclictest9766-21tr08:01:130
413664999136,3cyclictest95682-21diskmemload09:50:580
4136649991310,2cyclictest315067-21/usr/sbin/munin11:36:170
413664999130,8cyclictest4136795-21cat07:10:020
41306852131,6sleep30-21swapper/307:06:063
2649091131,2phc2sys0-21swapper/308:01:063
2649091130,2phc2sys0-21swapper/311:41:223
2649091130,2phc2sys0-21swapper/310:53:103
2649091130,2phc2sys0-21swapper/310:04:593
2649091130,2phc2sys0-21swapper/310:04:593
413665199129,1cyclictest0-21swapper/208:30:272
413665199121,5cyclictest0-21swapper/208:26:052
2649091120,2phc2sys0-21swapper/312:02:183
2649091120,2phc2sys0-21swapper/309:11:593
2649091120,1phc2sys0-21swapper/312:11:563
2649091120,1phc2sys0-21swapper/310:48:573
2649091120,1phc2sys0-21swapper/308:42:013
2649091120,1phc2sys0-21swapper/307:14:563
413665199118,1cyclictest0-21swapper/207:45:172
2649091111,2phc2sys0-21swapper/310:16:043
2649091111,2phc2sys0-21swapper/308:21:123
2649091110,3phc2sys0-21swapper/309:10:023
2649091110,2phc2sys0-21swapper/312:31:043
2649091110,1phc2sys0-21swapper/308:59:283
2649091110,1phc2sys0-21swapper/307:38:053
2649091105,2phc2sys0-21swapper/311:24:363
2649091101,3phc2sys0-21swapper/308:16:133
2649091101,2phc2sys0-21swapper/309:36:123
2649091101,2phc2sys0-21swapper/309:30:473
2649091100,2phc2sys0-21swapper/312:29:553
2649091100,2phc2sys0-21swapper/312:21:103
2649091100,2phc2sys0-21swapper/311:50:443
2649091100,2phc2sys0-21swapper/311:48:153
2649091100,2phc2sys0-21swapper/311:34:563
2649091100,2phc2sys0-21swapper/311:04:513
2649091100,2phc2sys0-21swapper/310:37:453
2649091100,2phc2sys0-21swapper/309:59:083
2649091100,2phc2sys0-21swapper/309:51:073
2649091100,2phc2sys0-21swapper/309:26:063
2649091100,2phc2sys0-21swapper/309:05:023
2649091100,2phc2sys0-21swapper/307:35:003
2649091100,2phc2sys0-21swapper/307:21:053
41366519997,1cyclictest0-21swapper/207:10:012
264909191,3phc2sys0-21swapper/308:40:013
264909191,2phc2sys0-21swapper/309:45:583
264909191,2phc2sys0-21swapper/307:55:013
264909190,3phc2sys0-21swapper/308:46:053
264909190,2phc2sys0-21swapper/308:50:113
264909190,2phc2sys0-21swapper/308:31:073
264909190,2phc2sys0-21swapper/308:29:393
264909190,2phc2sys0-21swapper/308:11:083
264909190,2phc2sys0-21swapper/307:56:053
264909190,2phc2sys0-21swapper/307:46:113
264909190,2phc2sys0-21swapper/307:20:013
264909180,2phc2sys0-21swapper/307:40:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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