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2025-11-15 - 13:49
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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 376 highest latencies:
System rackeslot2.osadl.org (updated Sat Nov 15, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
54344621000,2sleep30-21swapper/300:28:263
50164121000,1sleep10-21swapper/100:05:361
3498712810,2sleep30-21swapper/322:35:443
4875099261,2cyclictest63075-21apt19:20:001
48749992314,5cyclictest1635-21dbus-daemon23:30:020
48749992211,5cyclictest0-21swapper/000:25:430
48750992116,4cyclictest117698-21cron20:05:001
48750992114,3cyclictest249978-21/usr/sbin/munin21:40:481
48749992118,2cyclictest475008-21latency_hist23:50:010
48749992117,2cyclictest8734-21sendmail-mta21:55:020
48749992117,2cyclictest55154-21cut19:15:020
48749992110,6cyclictest0-21swapper/023:25:010
48750992017,2cyclictest241030-21/usr/sbin/munin21:35:021
48750992017,2cyclictest1635-21dbus-daemon21:25:011
48750992017,2cyclictest1-21systemd22:00:011
48750992017,2cyclictest0-21swapper/122:15:011
48750992013,3cyclictest480616-21ptp4l23:50:451
4874999208,7cyclictest0-21swapper/022:45:350
48749992012,4cyclictest1652-1atopacctd22:01:000
48751991916,1cyclictest0-21swapper/221:45:382
48751991916,1cyclictest0-21swapper/221:40:002
48751991916,1cyclictest0-21swapper/221:30:512
4875099199,3cyclictest332023-21kthreadcore22:25:441
48750991916,2cyclictest562043-21latency_hist00:40:021
48750991916,2cyclictest344686-21systemd-run22:35:011
48750991916,2cyclictest223671-21kworker/u16:0-events_power_efficient22:20:011
48750991914,3cyclictest260-21systemd-journal23:59:551
4874999198,6cyclictest0-21swapper/021:15:010
4874999194,2cyclictest170550irq/121-eno100:10:000
48749991911,4cyclictest294604-21kthreadcore22:05:430
48749991910,5cyclictest275960-21acpi21:55:340
302487291190,2phc2sys0-21swapper/321:12:423
835298180,2rtkit-daemon0-21swapper/021:35:090
48751991816,1cyclictest0-21swapper/223:00:012
48751991815,1cyclictest0-21swapper/222:15:452
4875099189,4cyclictest0-21swapper/100:25:011
48750991815,2cyclictest431265-21cut23:25:011
48750991815,2cyclictest379212-21cut22:55:011
48750991815,2cyclictest1635-21dbus-daemon21:40:011
48750991815,2cyclictest148340-21apt-key20:30:011
48750991811,2cyclictest268784-21kthreadcore21:50:421
48749991815,2cyclictest318808-21/usr/sbin/munin22:20:010
48749991815,2cyclictest214521-21/usr/sbin/munin21:20:010
48749991815,2cyclictest1700-21systemd-logind22:40:020
48749991810,2cyclictest0-21swapper/000:10:360
4874999180,4cyclictest491rcuog/222:28:480
302487291182,3phc2sys0-21swapper/321:39:473
302487291181,3phc2sys0-21swapper/321:00:363
302487291180,3phc2sys0-21swapper/321:45:153
302487291180,2phc2sys0-21swapper/321:41:313
302487291180,2phc2sys0-21swapper/321:21:113
4875199171,9cyclictest0-21swapper/223:40:012
4875199171,9cyclictest0-21swapper/223:40:012
48751991715,1cyclictest0-21swapper/221:00:442
48751991714,1cyclictest0-21swapper/222:11:022
48751991714,1cyclictest0-21swapper/222:00:012
48751991714,1cyclictest0-21swapper/221:20:012
48751991714,1cyclictest0-21swapper/221:10:432
48751991714,1cyclictest0-21swapper/220:05:492
48751991714,1cyclictest0-21swapper/220:00:012
4875199171,13cyclictest0-21swapper/219:30:362
48750991715,1cyclictest354653-21gltestperf22:40:421
48750991714,2cyclictest527343-21unin-run00:20:021
48750991714,2cyclictest327373-21cut22:25:011
48750991714,2cyclictest1700-21systemd-logind22:05:011
48750991714,2cyclictest1700-21systemd-logind21:05:011
48750991713,3cyclictest176610-21kthreadcore20:50:431
48750991712,4cyclictest459015-21tr23:40:431
48750991710,3cyclictest401916-21missed_timers23:05:471
4874999179,4cyclictest381181-21kthreadcore22:55:430
4874999178,5cyclictest374111-21kthreadcore22:50:440
4874999175,7cyclictest556892-21kthreadcore00:35:440
48749991714,2cyclictest48747-21cyclictest00:20:020
48749991714,2cyclictest389040-21df23:00:380
48749991714,2cyclictest1661-21polkitd23:40:010
48749991714,2cyclictest1661-21polkitd23:40:010
48749991711,5cyclictest2009-21runrttasks21:29:040
48749991711,5cyclictest2009-21runrttasks21:29:040
48749991710,6cyclictest553061-21perf00:35:000
302487291171,2phc2sys0-21swapper/322:54:173
302487291170,3phc2sys0-21swapper/323:46:273
302487291170,2phc2sys0-21swapper/322:45:383
48751991613,1cyclictest0-21swapper/223:43:422
48751991613,1cyclictest0-21swapper/223:30:022
48751991613,1cyclictest0-21swapper/223:15:362
48751991613,1cyclictest0-21swapper/222:40:422
48751991613,1cyclictest0-21swapper/222:35:282
48751991613,1cyclictest0-21swapper/221:40:162
48751991613,1cyclictest0-21swapper/200:35:412
48751991613,1cyclictest0-21swapper/200:27:332
48751991613,1cyclictest0-21swapper/200:23:542
48751991612,2cyclictest0-21swapper/223:49:432
48751991612,2cyclictest0-21swapper/223:32:252
48751991612,2cyclictest0-21swapper/220:35:012
48751991612,2cyclictest0-21swapper/200:04:312
48751991610,3cyclictest0-21swapper/219:35:142
4875099169,3cyclictest260098-21kthreadcore21:45:431
4875099169,2cyclictest48747-21cyclictest23:00:371
48750991614,1cyclictest8351-21rtkit-daemon19:57:361
48750991613,2cyclictest544665-21systemd-run00:30:021
48750991613,2cyclictest48747-21cyclictest00:35:001
48750991613,2cyclictest436660-21head23:25:471
48750991613,2cyclictest387987-21munin-plugin-st23:00:011
48750991613,2cyclictest207300-21cut21:15:421
48750991613,2cyclictest184976-21latency_hist21:00:001
48750991613,2cyclictest1652-1atopacctd20:35:441
48750991613,2cyclictest149282-21cstates20:30:371
48750991613,1cyclictest0-21swapper/123:15:001
48750991613,1cyclictest0-21swapper/121:30:001
48750991613,1cyclictest0-21swapper/121:30:001
48749991614,2cyclictest171ktimers/023:30:120
48749991614,1cyclictest105558-21cron19:55:010
48749991613,2cyclictest48747-21cyclictest20:30:420
48749991613,2cyclictest466155-21latency_hist23:45:010
48749991613,2cyclictest397930-21idleruntime23:05:420
48749991613,2cyclictest358729-21head22:40:470
48749991613,2cyclictest251382-21kthreadcore21:40:420
302487291160,2phc2sys0-21swapper/323:25:433
302487291160,2phc2sys0-21swapper/323:24:353
302487291160,2phc2sys0-21swapper/322:08:483
302487291160,2phc2sys0-21swapper/321:53:143
302487291160,2phc2sys0-21swapper/321:26:313
302487291160,2phc2sys0-21swapper/321:26:313
302487291160,2phc2sys0-21swapper/321:16:463
48751991513,1cyclictest0-21swapper/223:23:412
48751991513,1cyclictest0-21swapper/220:20:422
48751991512,1cyclictest0-21swapper/223:10:302
48751991512,1cyclictest0-21swapper/223:06:212
48751991512,1cyclictest0-21swapper/222:45:362
48751991512,1cyclictest0-21swapper/222:25:332
48751991512,1cyclictest0-21swapper/222:07:192
48751991512,1cyclictest0-21swapper/222:00:412
48751991512,1cyclictest0-21swapper/221:25:382
48751991512,1cyclictest0-21swapper/221:25:382
48751991512,1cyclictest0-21swapper/220:35:452
48751991512,1cyclictest0-21swapper/220:15:342
48751991512,1cyclictest0-21swapper/219:25:422
48751991512,1cyclictest0-21swapper/219:15:392
48751991512,1cyclictest0-21swapper/200:19:302
48751991512,1cyclictest0-21swapper/200:06:142
48750991512,2cyclictest8351-21rtkit-daemon22:07:331
48750991512,2cyclictest69233-21latency_hist19:25:001
48750991512,2cyclictest518274-21cron00:15:001
48750991512,2cyclictest101321-21kthreadcore19:50:411
48750991511,3cyclictest77518-21kthreadcore19:30:441
48750991511,3cyclictest48747-21cyclictest20:20:421
48750991511,3cyclictest127076-21kthreadcore20:10:421
4874999155,5cyclictest190839-21sshd21:02:170
4874999154,6cyclictest478165-21kthreadcore23:50:420
4874999153,7cyclictest258735-21aten2.4-expect21:45:370
48749991513,1cyclictest0-21swapper/023:20:010
48749991512,2cyclictest91861-21kthreadcore19:40:440
48749991512,2cyclictest318690-21kworker/u16:3-events_unbound23:10:360
48749991512,2cyclictest1635-21dbus-daemon20:10:000
48749991512,2cyclictest136218-21sh20:20:010
48749991512,2cyclictest1-21systemd22:30:170
48749991512,2cyclictest1-21systemd19:32:560
48749991511,3cyclictest223671-21kworker/u16:0+nfsiod22:11:200
4874999150,4cyclictest327237-21munin-run22:25:000
302487291150,4phc2sys0-21swapper/323:37:283
302487291150,4phc2sys0-21swapper/323:37:283
302487291150,3phc2sys0-21swapper/322:23:343
302487291150,2phc2sys0-21swapper/319:27:223
302487291150,2phc2sys0-21swapper/300:14:203
835298140,4rtkit-daemon54969-21munin-node00:00:050
4875199144,1cyclictest0-21swapper/220:50:202
48751991412,1cyclictest0-21swapper/223:04:032
48751991412,1cyclictest0-21swapper/222:52:182
48751991412,1cyclictest0-21swapper/221:50:062
48751991412,1cyclictest0-21swapper/200:10:472
48751991411,1cyclictest0-21swapper/223:55:202
48751991411,1cyclictest0-21swapper/222:30:432
48751991411,1cyclictest0-21swapper/222:20:432
48751991411,1cyclictest0-21swapper/220:40:362
48751991411,1cyclictest0-21swapper/220:25:422
48751991411,1cyclictest0-21swapper/219:10:232
48751991410,2cyclictest0-21swapper/219:20:502
4875099148,5cyclictest1635-21dbus-daemon23:35:501
4875099148,5cyclictest1635-21dbus-daemon23:35:501
4875099147,3cyclictest493354-21cstates00:00:371
48750991411,2cyclictest49753-21gltestperf19:10:391
48750991411,2cyclictest466762-21aten_repower_po23:45:371
48750991411,2cyclictest445031-21kthreadcore23:30:441
48750991411,2cyclictest422627-21/usr/sbin/munin23:20:011
48750991411,2cyclictest346434-21irqrtprio22:35:421
48750991411,2cyclictest198559-21gltestperf21:10:401
48750991411,2cyclictest195258-21kthreadcore21:05:471
48750991410,3cyclictest164593-21kthreadcore20:40:431
4875099140,3cyclictest0-21swapper/119:28:171
4875099140,13cyclictest0-21swapper/122:45:481
4874999149,4cyclictest535847-21systemd-run00:25:010
4874999146,1cyclictest0-21swapper/021:20:390
4874999143,6cyclictest0-21swapper/019:25:070
4874999142,7cyclictest484233-21aten2.4-expect23:55:350
4874999141,8cyclictest69292-21munin-run19:25:010
4874999141,8cyclictest136637-21aten2.4-expect20:20:360
4874999141,7cyclictest1635-21dbus-daemon19:10:020
48749991412,1cyclictest112118-21aten2.4-expect20:00:370
48749991411,2cyclictest58008-21gltestperf19:15:390
48749991411,2cyclictest233808-21irqcore21:30:440
48749991411,2cyclictest191735-21cpuspeed_turbos21:05:410
48749991411,2cyclictest182029-21kthreadcore20:55:430
48749991411,2cyclictest1652-1atopacctd19:35:390
302487291140,4phc2sys0-21swapper/323:58:483
302487291140,2phc2sys0-21swapper/322:25:163
302487291140,2phc2sys0-21swapper/300:24:513
4875199137,4cyclictest117369-21chrt20:00:502
4875199136,5cyclictest99212-21chrt19:46:312
48751991311,1cyclictest0-21swapper/223:50:422
48751991311,1cyclictest0-21swapper/221:05:412
48751991311,1cyclictest0-21swapper/220:12:282
48751991311,1cyclictest0-21swapper/219:45:022
48751991311,1cyclictest0-21swapper/200:30:092
48751991310,1cyclictest0-21swapper/220:45:272
4875199130,7cyclictest2201152sleep221:20:502
4875099139,3cyclictest88046-21tr19:40:381
4875099139,3cyclictest120489-21kthreadcore20:05:451
4875099131,7cyclictest1635-21dbus-daemon19:10:021
48750991310,2cyclictest93909-21aten2.4-expect19:45:391
48750991310,2cyclictest85847-21kthreadcore19:35:431
48750991310,2cyclictest168344-21irqrtprio20:45:451
4874999132,6cyclictest0-21swapper/020:13:080
48749991311,1cyclictest173445-21cpuspeed_turbos20:50:370
48749991310,2cyclictest98839-21switchtime19:45:510
48749991310,2cyclictest168452-21kthreadcore20:45:470
48749991310,2cyclictest156309-21kthreadcore20:35:430
302487291130,2phc2sys0-21swapper/323:41:453
48751991210,1cyclictest0-21swapper/220:55:452
48751991210,1cyclictest0-21swapper/219:55:012
4874999129,2cyclictest145372-21kthreadcore20:25:430
4874999121,6cyclictest105907-21/usr/sbin/munin19:55:380
4874999120,7cyclictest161150-21aten_repower_fr20:40:370
302487291125,3phc2sys0-21swapper/323:15:253
302487291123,2phc2sys0-21swapper/319:30:503
302487291121,6phc2sys0-21swapper/322:10:353
302487291120,5phc2sys0-21swapper/321:05:393
302487291120,3phc2sys0-21swapper/321:31:373
302487291120,2phc2sys0-21swapper/320:53:173
302487291120,1phc2sys0-21swapper/300:17:583
1191542120,2sleep30-21swapper/320:05:443
4875099115,4cyclictest130552-21cpuspeed_turbos20:15:371
429212110,5sleep20-21swapper/219:05:372
302487291112,2phc2sys0-21swapper/322:16:223
302487291110,6phc2sys0-21swapper/322:55:433
302487291110,3phc2sys0-21swapper/320:15:473
302487291110,3phc2sys0-21swapper/319:40:363
302487291110,2phc2sys0-21swapper/323:02:173
302487291110,2phc2sys0-21swapper/320:23:173
302487291110,2phc2sys0-21swapper/320:02:163
302487291110,2phc2sys0-21swapper/319:50:223
302487291110,2phc2sys0-21swapper/319:35:353
302487291101,2phc2sys0-21swapper/323:07:083
302487291101,2phc2sys0-21swapper/322:40:063
302487291101,2phc2sys0-21swapper/322:04:193
302487291101,2phc2sys0-21swapper/300:05:433
302487291100,3phc2sys0-21swapper/323:30:453
302487291100,3phc2sys0-21swapper/323:13:493
302487291100,3phc2sys0-21swapper/300:39:343
302487291100,3phc2sys0-21swapper/300:00:423
302487291100,2phc2sys0-21swapper/323:52:493
302487291100,2phc2sys0-21swapper/322:30:363
302487291100,2phc2sys0-21swapper/321:55:423
302487291100,2phc2sys0-21swapper/320:40:363
302487291100,2phc2sys0-21swapper/320:35:393
302487291100,2phc2sys0-21swapper/320:25:453
302487291100,2phc2sys0-21swapper/319:20:373
30248729191,3phc2sys0-21swapper/320:50:013
30248729191,2phc2sys0-21swapper/320:55:393
30248729191,2phc2sys0-21swapper/320:30:423
30248729190,2phc2sys0-21swapper/320:10:393
30248729190,2phc2sys0-21swapper/319:55:353
30248729190,2phc2sys0-21swapper/319:49:553
30248729190,2phc2sys0-21swapper/319:15:363
30248729190,2phc2sys0-21swapper/319:05:023
30248729190,2phc2sys0-21swapper/300:30:083
30248729180,2phc2sys0-21swapper/319:10:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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