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2026-08-31 - 19:26
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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 Mon Aug 31, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
397646321570,1sleep13976462-21sshd-auth07:22:371
758272990,2sleep20-21swapper/210:30:012
1934202970,1sleep070-21kcompactd011:39:190
40923542360,1sleep04092357-21cut08:44:530
2786732290,4sleep0491rcuog/212:24:530
662172280,2sleep20-21swapper/210:24:522
39822302260,2sleep20-21swapper/207:24:552
3959742992314,5cyclictest201732-21runrttasks11:43:020
3959742992215,6cyclictest5641-21runrttasks09:51:360
3959742992214,4cyclictest144973-21kthreadcore11:09:490
395974299209,6cyclictest0-21swapper/009:39:510
395974299208,7cyclictest0-21swapper/011:34:510
3959742992013,6cyclictest286123-21kthreadcore12:29:510
3959742992013,5cyclictest1011-21gdbus10:10:020
2447398200,4rtkit-daemon798-21mta-sts-daemon10:36:120
3959744991916,1cyclictest0-21swapper/210:50:012
3959744991916,1cyclictest0-21swapper/209:51:432
3959744991916,1cyclictest0-21swapper/209:44:292
3959743991916,2cyclictest24615-21JS14:54:061
3959743991916,2cyclictest24615-21JS14:54:061
3959742991916,2cyclictest24616-21JS14:54:060
3959742991913,5cyclictest306345-21systemd-run12:40:010
3959742991911,7cyclictest84305-21switchtime10:34:560
3959742991910,5cyclictest123844-21irqrtprio10:59:490
2447398190,3rtkit-daemon798-21mta-sts-daemon12:33:390
2213291190,3phc2sys0-21swapper/310:07:513
395974499181,8cyclictest0-21swapper/211:49:292
3959744991815,1cyclictest0-21swapper/212:04:282
3959744991815,1cyclictest0-21swapper/210:51:092
3959744991815,1cyclictest0-21swapper/209:26:312
3959743991815,2cyclictest24610-21gmain09:23:571
3959743991814,3cyclictest4163431-21/usr/sbin/munin09:30:031
3959743991814,3cyclictest3993460-21kthreadcore07:34:521
3959743991814,3cyclictest24616-21JS14:54:061
395974399180,2cyclictest305824-21chrt12:39:571
3959742991815,2cyclictest3966696-21munin-node07:15:020
3959742991815,2cyclictest3966696-21munin-node07:15:020
3959742991814,3cyclictest24617-21JS14:54:060
3959742991811,6cyclictest798-21mta-sts-daemon11:14:490
3959742991811,6cyclictest4162478-21phc2sys-jitter09:29:520
395974299180,2cyclictest4039984-21irqstats08:09:490
395974299180,16cyclictest4045561-21/usr/sbin/munin08:14:350
2213291181,4phc2sys0-21swapper/311:59:283
2213291180,3phc2sys0-21swapper/312:29:563
2213291180,2phc2sys0-21swapper/311:42:033
3959744991714,1cyclictest0-21swapper/207:15:092
3959743991714,2cyclictest252345-21missed_timers12:09:531
3959743991714,2cyclictest0-21swapper/110:04:511
3959743991713,3cyclictest8464-21kthreadcore09:54:511
3959743991713,3cyclictest70-21kcompactd010:54:511
3959743991713,3cyclictest4050178-21runrttasks08:14:521
3959743991713,3cyclictest4005553-21kthreadcore07:44:511
3959743991710,3cyclictest220854-21ssh11:54:471
395974299179,4cyclictest0-21swapper/010:25:010
395974299178,8cyclictest0-21swapper/010:44:280
395974299178,5cyclictest4127647-21diskmemload09:14:310
395974299177,6cyclictest0-21swapper/009:10:030
395974299176,4cyclictest0-21swapper/012:14:500
3959742991713,3cyclictest24616-21JS14:54:060
3959742991711,5cyclictest239301-21kthreadcore12:04:500
3959742991710,6cyclictest1206-21snmpd11:03:590
2447398170,5rtkit-daemon219098-21ssh11:52:150
2213291172,2phc2sys0-21swapper/312:39:483
2213291170,2phc2sys0-21swapper/310:50:043
2213291170,2phc2sys0-21swapper/310:26:423
2213291170,2phc2sys0-21swapper/310:00:053
3959744991613,1cyclictest0-21swapper/212:33:592
3959744991613,1cyclictest0-21swapper/212:10:012
3959744991613,1cyclictest0-21swapper/211:45:022
3959744991613,1cyclictest0-21swapper/211:29:532
3959744991613,1cyclictest0-21swapper/211:29:532
3959744991613,1cyclictest0-21swapper/210:44:262
3959744991613,1cyclictest0-21swapper/210:07:232
3959744991612,1cyclictest0-21swapper/212:29:552
395974399169,6cyclictest24615-21JS14:54:061
395974399168,3cyclictest0-21swapper/109:38:161
3959743991613,2cyclictest935-21wpa_supplicant09:14:461
3959743991613,2cyclictest4144628-21load09:19:501
3959743991613,2cyclictest4079527-21908:35:011
3959743991613,2cyclictest3959740-21cyclictest08:04:481
3959743991613,2cyclictest24815-21gsd-power11:08:461
3959743991613,2cyclictest238879-21irqcore12:04:491
3959743991612,3cyclictest92694-21latency10:39:531
3959743991612,3cyclictest48052-21kthreadcore10:14:511
3959743991612,3cyclictest4127647-21diskmemload11:14:561
3959743991612,3cyclictest4098052-21kthreadcore08:49:511
3959743991612,3cyclictest3968733-21kthreadcore07:15:031
3959743991612,3cyclictest3737887-21kworker/u16:1+nfsiod10:26:021
3959743991611,4cyclictest191150-21munin-plugin-st11:35:011
395974299169,2cyclictest177905-21kthreadcore11:29:510
395974299169,2cyclictest177905-21kthreadcore11:29:510
395974299167,5cyclictest4145611-21/usr/sbin/munin09:20:020
395974299166,5cyclictest0-21swapper/010:15:050
3959742991612,3cyclictest3737887-21kworker/u16:1+nfsiod11:58:040
395974299160,1cyclictest0-21swapper/009:59:260
395974299160,11cyclictest74426-21kthreadcore10:29:540
2213291160,2phc2sys0-21swapper/311:32:143
2213291160,2phc2sys0-21swapper/308:12:373
395974499151,8cyclictest0-21swapper/207:49:292
3959744991512,1cyclictest0-21swapper/211:18:512
3959744991512,1cyclictest0-21swapper/210:01:122
3959744991512,1cyclictest0-21swapper/209:58:332
3959744991512,1cyclictest0-21swapper/209:24:312
3959744991512,1cyclictest0-21swapper/209:10:012
3959744991512,1cyclictest0-21swapper/208:31:182
3959744991511,2cyclictest0-21swapper/211:59:502
395974499151,10cyclictest40594202sleep208:24:282
395974399156,2cyclictest173454-21kworker/1:1+events_freezable11:49:291
3959743991512,2cyclictest813-21systemd-logind10:10:011
3959743991512,2cyclictest813-21systemd-logind09:35:001
3959743991512,2cyclictest778-21dbus-daemon07:15:021
3959743991512,2cyclictest778-21dbus-daemon07:15:021
3959743991512,2cyclictest3959740-21cyclictest07:59:501
3959743991512,2cyclictest291751-21ssh12:34:461
3959743991512,2cyclictest132517-21irqcore11:04:491
3959743991511,3cyclictest57363-21phc2sys10:19:551
3959743991511,3cyclictest4124314-21kthreadcore09:09:511
3959743991511,3cyclictest4011739-21fschecks_count07:49:481
3959743991511,3cyclictest4001157-21kthreadcore07:39:511
3959743991511,3cyclictest3987585-21kthreadcore07:29:521
3959743991511,3cyclictest3959740-21cyclictest08:59:491
3959743991511,3cyclictest269711-21kthreadcore12:19:511
3959743991511,3cyclictest193911-21cpuspeed_turbos11:39:451
3959743991511,3cyclictest168295-21irqrtprio11:24:501
3959743991511,3cyclictest129600-21kworker/u16:0+nfsiod12:29:581
3959743991511,3cyclictest129600-21kworker/u16:0+nfsiod12:21:511
3959743991511,3cyclictest129600-21kworker/u16:0+nfsiod12:11:141
3959743991511,3cyclictest107693-21kthreadcore10:49:521
3959743991510,4cyclictest3737887-21kworker/u16:1-rpciod10:33:541
395974299155,5cyclictest0-21swapper/010:04:510
395974299153,7cyclictest0-21swapper/011:19:270
395974299153,7cyclictest0-21swapper/009:49:270
395974299151,8cyclictest778-21dbus-daemon10:55:020
3959742991512,2cyclictest977-21rs:main0
3959742991512,2cyclictest4153740-21ptp4l09:24:530
3959742991512,2cyclictest3991078-21cut07:34:470
3959742991512,2cyclictest110945-21timerandwakeup10:49:580
3959742991511,3cyclictest4119398-21kthreadcore09:04:510
3959742991511,3cyclictest4107962-21cpuspeed_turbos08:59:460
3959742991511,3cyclictest4094027-21aten_repower_po08:49:380
3959742991511,3cyclictest4085224-21kthreadcore08:39:520
3959742991511,3cyclictest4075488-21kthreadcore08:34:500
3959742991511,3cyclictest4067641-21kthreadcore08:29:510
3959742991511,3cyclictest4029375-21kthreadcore07:59:520
3959742991511,3cyclictest4007266-21kthreadcore07:44:520
3959742991511,3cyclictest3998811-21kthreadcore07:39:500
3959742991511,3cyclictest3959740-21cyclictest07:54:520
2213291150,3phc2sys0-21swapper/309:17:343
395974499141,7cyclictest0-21swapper/207:29:282
3959744991411,2cyclictest0-21swapper/209:04:442
3959744991411,1cyclictest0-21swapper/212:25:012
3959744991411,1cyclictest0-21swapper/212:19:332
3959744991411,1cyclictest0-21swapper/212:13:092
3959744991411,1cyclictest0-21swapper/211:50:392
3959744991411,1cyclictest0-21swapper/211:24:302
3959744991411,1cyclictest0-21swapper/211:14:532
3959744991411,1cyclictest0-21swapper/211:06:032
3959744991411,1cyclictest0-21swapper/211:04:372
3959744991411,1cyclictest0-21swapper/210:16:292
3959744991411,1cyclictest0-21swapper/210:14:492
3959744991411,1cyclictest0-21swapper/208:49:502
3959744991411,1cyclictest0-21swapper/208:45:012
3959744991411,1cyclictest0-21swapper/208:09:512
3959744991411,1cyclictest0-21swapper/207:54:512
3959744991411,1cyclictest0-21swapper/207:44:292
3959744991411,1cyclictest0-21swapper/207:15:022
3959744991411,1cyclictest0-21swapper/207:15:022
3959744991410,2cyclictest0-21swapper/209:30:102
3959744991410,2cyclictest0-21swapper/208:27:372
395974399143,10cyclictest82050irq/121-eno111:44:271
3959743991411,2cyclictest99713-21kthreadcore10:44:511
3959743991411,2cyclictest4186899-21kthreadcore09:44:511
3959743991411,2cyclictest4039957-21irqrtprio08:09:491
3959743991410,3cyclictest4067641-21kthreadcore08:29:511
3959743991410,3cyclictest4055207-21kthreadcore08:19:511
3959743991410,3cyclictest4020226-21kthreadcore07:54:511
3959743991410,3cyclictest3737887-21kworker/u16:1+nfsiod10:22:091
3959743991410,3cyclictest17304-21kthreadcore09:59:491
395974299146,1cyclictest0-21swapper/009:34:280
395974299144,8cyclictest4107131-1/usr/sbin/munin08:55:020
395974299142,7cyclictest0-21swapper/012:09:460
3959742991411,2cyclictest269778-21kthreadcore12:19:510
3959742991410,3cyclictest46005-21kthreadcore10:14:500
3959742991410,3cyclictest3986792-21kthreadcore07:29:520
3959742991410,3cyclictest3974959-21kthreadcore07:19:520
3959742991410,3cyclictest171ktimers/007:49:290
395974299140,6cyclictest168799-21kthreadcore11:24:510
395974299140,13cyclictest0-21swapper/009:42:130
2213291141,3phc2sys0-21swapper/309:54:283
2213291141,3phc2sys0-21swapper/308:34:273
2213291140,3phc2sys0-21swapper/309:12:503
2213291140,2phc2sys0-21swapper/312:23:443
2213291140,2phc2sys0-21swapper/312:11:153
2213291140,2phc2sys0-21swapper/311:15:243
2213291140,2phc2sys0-21swapper/310:24:273
2213291140,2phc2sys0-21swapper/309:49:593
2213291140,2phc2sys0-21swapper/309:28:393
395974499138,3cyclictest0-21swapper/211:39:232
395974499131,6cyclictest0-21swapper/209:19:262
395974499131,5cyclictest0-21swapper/207:34:292
3959744991311,1cyclictest0-21swapper/211:35:022
3959744991311,1cyclictest0-21swapper/209:50:022
3959744991311,1cyclictest0-21swapper/209:35:262
3959744991310,1cyclictest0-21swapper/212:39:342
3959744991310,1cyclictest0-21swapper/209:14:002
3959744991310,1cyclictest0-21swapper/208:59:492
3959744991310,1cyclictest0-21swapper/208:54:512
3959744991310,1cyclictest0-21swapper/208:39:492
3959744991310,1cyclictest0-21swapper/208:19:472
3959744991310,1cyclictest0-21swapper/208:14:452
3959744991310,1cyclictest0-21swapper/208:04:492
3959744991310,1cyclictest0-21swapper/207:59:452
3959744991310,1cyclictest0-21swapper/207:39:472
395974399139,3cyclictest129600-21kworker/u16:0+nfsiod11:55:221
395974399139,3cyclictest129600-21kworker/u16:0+nfsiod11:15:251
395974399139,3cyclictest125532-21kthreadcore10:59:501
395974399136,6cyclictest24615-21JS14:54:061
3959743991310,2cyclictest4081364-21irqrtprio08:39:501
3959743991310,2cyclictest24615-21JS14:54:061
2213291133,2phc2sys0-21swapper/312:30:263
2213291131,6phc2sys0-21swapper/307:09:273
2213291130,4phc2sys0-21swapper/311:53:583
2213291130,4phc2sys0-21swapper/309:39:183
2213291130,3phc2sys0-21swapper/308:39:283
2213291130,2phc2sys0-21swapper/311:02:073
2213291130,2phc2sys0-21swapper/310:45:073
2213291130,2phc2sys0-21swapper/310:11:063
2213291130,2phc2sys0-21swapper/308:59:293
2213291130,2phc2sys0-21swapper/308:54:283
2213291130,1phc2sys0-21swapper/309:44:563
395974499129,2cyclictest0-21swapper/210:33:102
395974499129,1cyclictest0-21swapper/210:35:492
3959744991210,1cyclictest0-21swapper/210:57:312
395974399123,3cyclictest4100538-21sshd-auth08:51:371
395974299128,3cyclictest4059719-21cpuspeed_turbos08:24:450
2213291123,2phc2sys0-21swapper/310:39:563
2213291121,5phc2sys0-21swapper/307:49:293
2213291121,3phc2sys0-21swapper/310:44:563
2213291120,5phc2sys0-21swapper/311:11:213
2213291120,3phc2sys0-21swapper/307:39:283
2213291120,2phc2sys0-21swapper/312:07:463
2213291120,2phc2sys0-21swapper/311:37:263
2213291120,2phc2sys0-21swapper/310:31:243
2213291120,2phc2sys0-21swapper/309:33:113
2213291120,1phc2sys0-21swapper/311:29:383
2213291120,1phc2sys0-21swapper/311:29:383
41479032110,3sleep30-21swapper/309:24:293
395974299110,4cyclictest3959852-21date07:10:020
2213291111,4phc2sys0-21swapper/308:24:273
2213291110,2phc2sys0-21swapper/309:07:133
2213291110,2phc2sys0-21swapper/308:19:283
2213291110,2phc2sys0-21swapper/308:09:563
2213291110,2phc2sys0-21swapper/308:04:563
2213291110,2phc2sys0-21swapper/307:51:353
2213291110,2phc2sys0-21swapper/307:25:383
40870032102,4sleep30-21swapper/308:44:293
395974499108,1cyclictest0-21swapper/207:10:032
395974399107,2cyclictest3959944-21latency_hist07:10:031
2213291101,4phc2sys0-21swapper/307:34:283
2213291101,2phc2sys0-21swapper/312:03:293
2213291101,2phc2sys0-21swapper/311:49:503
2213291101,2phc2sys0-21swapper/307:14:563
2213291101,2phc2sys0-21swapper/307:14:563
2213291100,4phc2sys0-21swapper/307:44:283
2213291100,3phc2sys0-21swapper/307:15:043
2213291100,2phc2sys0-21swapper/311:08:043
2213291100,2phc2sys0-21swapper/310:15:333
2213291100,2phc2sys0-21swapper/307:59:283
2213291100,2phc2sys0-21swapper/307:24:293
221329192,1phc2sys0-21swapper/308:49:513
221329191,3phc2sys0-21swapper/311:21:063
221329191,2phc2sys0-21swapper/312:17:163
221329190,2phc2sys0-21swapper/310:55:053
221329190,2phc2sys0-21swapper/309:56:533
221329190,2phc2sys0-21swapper/309:04:543
221329190,2phc2sys0-21swapper/308:29:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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