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2025-11-04 - 20:40
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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 Tue Nov 04, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6078642320,1sleep20-21swapper/212:16:222
6367542270,1sleep20-21swapper/212:35:022
127333992320,2cyclictest1652-1atopacctd12:05:001
127333992317,2cyclictest170550irq/121-eno109:20:561
127333992214,3cyclictest170550irq/121-eno109:15:491
127335992118,1cyclictest0-21swapper/210:20:012
127333992118,2cyclictest328803-21latency_hist09:40:011
127329992119,1cyclictest452345-21sort10:50:010
127329992112,5cyclictest586628-21kthreadcore12:05:590
835298200,1rtkit-daemon0-21swapper/111:52:041
302487291200,2phc2sys0-21swapper/312:14:523
302487291200,2phc2sys0-21swapper/310:09:123
127335992018,1cyclictest0-21swapper/209:35:022
127333992017,2cyclictest0-21swapper/110:30:011
127333992014,2cyclictest170550irq/121-eno110:15:011
127333992014,2cyclictest170550irq/121-eno109:00:011
127333992013,6cyclictest390648-21kworker/u16:2-nfsiod11:10:021
127329992012,7cyclictest0-21swapper/009:40:010
127329992011,5cyclictest403925-21kthreadcore10:21:040
127329992010,6cyclictest636386-21apt-key12:35:010
127329992010,6cyclictest508753-21kthreadcore11:20:590
127335991917,1cyclictest0-21swapper/212:15:012
127335991917,1cyclictest0-21swapper/211:00:012
127335991917,1cyclictest0-21swapper/210:55:022
127335991916,1cyclictest0-21swapper/212:10:012
127333991911,3cyclictest0-21swapper/111:05:011
12732999195,9cyclictest0-21swapper/011:40:590
127329991917,1cyclictest196416-21turbostat08:05:000
127329991916,2cyclictest539974-21turbostat11:40:000
127329991916,2cyclictest127323-21cyclictest09:05:000
127329991912,6cyclictest455877-21kthreadcore10:50:580
127329991912,6cyclictest0-21swapper/010:00:010
302487291181,2phc2sys0-21swapper/311:11:323
302487291180,3phc2sys0-21swapper/312:39:243
302487291180,2phc2sys0-21swapper/309:52:203
127335991816,1cyclictest0-21swapper/209:20:012
127335991816,1cyclictest0-21swapper/208:15:022
127335991814,2cyclictest0-21swapper/212:23:112
127333991815,2cyclictest636466-21latency_hist12:35:011
12732999189,5cyclictest296914-21kthreadcore09:20:560
12732999188,4cyclictest0-21swapper/010:10:580
127329991816,1cyclictest263585-21turbostat.cron09:00:010
302487291170,2phc2sys0-21swapper/309:23:113
127335991715,1cyclictest0-21swapper/211:10:012
127335991714,1cyclictest0-21swapper/211:50:012
127335991714,1cyclictest0-21swapper/211:35:192
127335991714,1cyclictest0-21swapper/211:30:002
127335991714,1cyclictest0-21swapper/210:29:212
127335991714,1cyclictest0-21swapper/209:24:362
127335991714,1cyclictest0-21swapper/208:20:502
127333991714,2cyclictest624463-21missed_timers12:26:001
127333991714,2cyclictest403481-21kthreadcore10:21:041
127333991714,2cyclictest335110-21unixbench_multi09:41:101
127333991714,2cyclictest215089-21latency_hist08:20:011
12733399171,3cyclictest343518-21ssh09:46:041
12733399171,3cyclictest343518-21ssh09:46:041
12732999174,7cyclictest209213-21aten2.4-expect08:15:530
12732999171,9cyclictest373509-21apt-get10:05:510
127329991715,1cyclictest0-21swapper/009:20:000
12732999171,4cyclictest369453-21memory10:00:580
127329991714,2cyclictest1635-21dbus-daemon11:00:020
127329991714,2cyclictest0-21swapper/009:10:010
127329991711,5cyclictest0-21swapper/007:30:510
127329991710,6cyclictest0-21swapper/011:35:010
127329991710,3cyclictest303913-21gltestperf09:25:540
302487291160,3phc2sys0-21swapper/312:03:053
302487291160,2phc2sys0-21swapper/311:48:143
302487291160,2phc2sys0-21swapper/307:20:523
127335991614,1cyclictest0-21swapper/211:40:582
127335991614,1cyclictest0-21swapper/211:30:492
127335991614,1cyclictest0-21swapper/210:35:592
127335991614,1cyclictest0-21swapper/209:05:012
127335991614,1cyclictest0-21swapper/208:20:002
127335991613,1cyclictest0-21swapper/209:49:012
127335991613,1cyclictest0-21swapper/209:49:012
127335991613,1cyclictest0-21swapper/208:00:002
12733399169,2cyclictest170550irq/121-eno110:05:011
12733399168,4cyclictest479035-21kworker/u16:3-xprtiod11:28:141
12733399168,3cyclictest0-21swapper/112:00:001
12733399168,3cyclictest0-21swapper/112:00:001
12733399168,3cyclictest0-21swapper/109:35:021
12733399165,4cyclictest0-21swapper/111:15:501
12733399165,4cyclictest0-21swapper/111:15:501
127333991613,2cyclictest550371-21gltestperf11:45:551
127333991613,2cyclictest396597-21grep10:16:021
127333991613,2cyclictest363868-21sendmail10:00:001
127333991613,2cyclictest282309-21unixbench-2d09:11:051
127333991611,4cyclictest532720-21tune2fs11:35:561
12732999169,6cyclictest0-21swapper/011:00:520
12732999168,4cyclictest0-21swapper/011:05:590
12732999168,1cyclictest0-21swapper/012:00:560
12732999167,4cyclictest0-21swapper/011:55:010
12732999163,7cyclictest637345-21aten2.4-expect12:35:500
12732999163,7cyclictest491538-21kthreadcore11:10:590
127329991613,2cyclictest616396-21unixbench-2d12:21:060
127329991613,2cyclictest569282-21kthreadcore11:55:580
127329991613,2cyclictest569282-21kthreadcore11:55:580
127329991613,2cyclictest551345-21kthreadcore11:45:580
127329991613,2cyclictest434588-21apt-key10:40:000
127329991613,2cyclictest412638-21kthreadcore10:26:140
127329991613,2cyclictest355180-21latency_hist09:55:010
127329991613,2cyclictest1-21systemd07:15:010
127329991612,2cyclictest0-21swapper/010:45:000
12732999160,12cyclictest0-21swapper/012:13:110
302487291153,3phc2sys0-21swapper/311:04:553
302487291153,3phc2sys0-21swapper/309:48:523
302487291153,3phc2sys0-21swapper/309:48:523
302487291150,2phc2sys0-21swapper/310:25:113
302487291150,2phc2sys0-21swapper/309:33:253
302487291150,2phc2sys0-21swapper/309:18:203
127335991513,1cyclictest0-21swapper/209:40:012
127335991513,1cyclictest0-21swapper/208:30:012
127335991512,1cyclictest0-21swapper/210:46:002
127335991512,1cyclictest0-21swapper/210:33:052
127335991512,1cyclictest0-21swapper/209:55:562
127335991512,1cyclictest0-21swapper/209:50:432
127335991512,1cyclictest0-21swapper/208:05:012
127335991512,1cyclictest0-21swapper/207:40:002
127335991512,1cyclictest0-21swapper/207:40:002
127335991511,2cyclictest1508632sleep207:25:592
127335991511,2cyclictest0-21swapper/207:15:222
12733599150,8cyclictest0-21swapper/210:05:332
12733399158,6cyclictest0-21swapper/107:40:001
12733399158,6cyclictest0-21swapper/107:40:001
12733399158,3cyclictest615792-21/usr/sbin/munin12:21:021
12733399158,3cyclictest523670-21cstates11:30:511
12733399153,6cyclictest0-21swapper/107:30:021
127333991512,2cyclictest496435-21systemd-run11:15:011
127333991512,2cyclictest381514-21munin-plugin-st10:10:011
127333991512,2cyclictest351786-21kthreadcore09:51:031
127333991512,2cyclictest264937-21sed09:00:571
127333991512,2cyclictest220978-21cron08:25:001
127333991512,2cyclictest185234-21sort07:55:511
127333991512,2cyclictest1661-21polkitd07:25:021
127333991512,2cyclictest1652-1atopacctd08:00:561
127333991512,2cyclictest127323-21cyclictest08:32:171
127333991512,2cyclictest0-21swapper/110:45:021
127333991512,2cyclictest0-21swapper/107:55:001
127333991511,3cyclictest172446-21kworker/u16:0+nfsiod09:28:481
127333991511,2cyclictest133357-21latency_hist07:15:021
12732999159,5cyclictest184749-21tail07:55:490
12732999157,7cyclictest175844-21tr07:45:570
12732999157,4cyclictest0-21swapper/010:15:500
12732999156,5cyclictest0-21swapper/010:33:560
127329991513,1cyclictest337606-21perf09:45:010
127329991512,2cyclictest499819-21kthreadcore11:15:580
127329991512,2cyclictest499819-21kthreadcore11:15:580
127329991512,2cyclictest312651-21sort09:30:540
127329991512,2cyclictest203717-21fschecks_time08:10:530
127329991512,2cyclictest197781-21gltestperf08:05:560
127329991512,2cyclictest1-21systemd08:54:560
127329991511,3cyclictest479035-21kworker/u16:3+nfsiod11:27:210
127329991511,3cyclictest416892-21kworker/u16:0+nfsiod12:25:320
127329991511,3cyclictest172446-21kworker/u16:0+nfsiod09:13:080
302487291145,2phc2sys0-21swapper/309:06:043
302487291144,3phc2sys0-21swapper/311:05:593
302487291141,4phc2sys0-21swapper/311:55:493
302487291141,4phc2sys0-21swapper/311:55:493
302487291140,3phc2sys0-21swapper/311:36:023
302487291140,3phc2sys0-21swapper/309:28:573
302487291140,2phc2sys0-21swapper/311:44:563
302487291140,2phc2sys0-21swapper/310:50:163
302487291140,2phc2sys0-21swapper/309:36:273
12733599145,4cyclictest0-21swapper/211:20:502
127335991412,1cyclictest0-21swapper/212:35:572
127335991412,1cyclictest0-21swapper/210:15:022
127335991412,1cyclictest0-21swapper/208:50:012
127335991411,1cyclictest0-21swapper/212:25:522
127335991411,1cyclictest0-21swapper/212:05:002
127335991411,1cyclictest0-21swapper/211:56:392
127335991411,1cyclictest0-21swapper/211:56:392
127335991411,1cyclictest0-21swapper/211:50:542
127335991411,1cyclictest0-21swapper/210:21:012
127335991411,1cyclictest0-21swapper/209:41:042
127335991411,1cyclictest0-21swapper/209:10:592
127335991411,1cyclictest0-21swapper/208:40:552
127335991411,1cyclictest0-21swapper/207:45:562
127335991410,2cyclictest0-21swapper/211:01:022
12733399148,5cyclictest496104-21kworker/u16:1-rpciod12:07:501
12733399148,5cyclictest170550irq/121-eno112:35:061
12733399147,3cyclictest452994-21/usr/sbin/munin10:50:551
127333991412,1cyclictest127323-21cyclictest11:20:071
127333991411,2cyclictest90877-21kworker/u16:2-events_power_efficient08:30:011
127333991411,2cyclictest610369-21sh12:20:021
127333991411,2cyclictest594774-21kthreadcore12:10:561
127333991411,2cyclictest445667-21kthreadcore10:45:581
127333991411,2cyclictest416892-21kworker/u16:0+nfsiod10:36:561
127333991411,2cyclictest235928-21kthreadcore08:35:591
127333991410,3cyclictest271476-21irqrtprio09:05:591
127333991410,3cyclictest256573-21phc2sys08:51:011
127333991410,2cyclictest0-21swapper/111:40:501
12732999141,7cyclictest610194-21munin-run12:20:010
127329991411,2cyclictest343514-21mailstats09:46:040
127329991411,2cyclictest343514-21mailstats09:46:040
127329991411,2cyclictest138172-21kthreadcore07:15:560
127329991411,2cyclictest0-21swapper/008:30:010
302487291133,2phc2sys0-21swapper/310:19:213
302487291130,4phc2sys0-21swapper/310:35:473
302487291130,3phc2sys0-21swapper/308:11:013
302487291130,2phc2sys0-21swapper/312:34:043
302487291130,2phc2sys0-21swapper/312:26:043
302487291130,2phc2sys0-21swapper/312:05:163
302487291130,2phc2sys0-21swapper/311:31:443
302487291130,2phc2sys0-21swapper/310:34:013
302487291130,2phc2sys0-21swapper/308:27:053
12733599139,2cyclictest0-21swapper/207:10:562
12733599131,8cyclictest0-21swapper/209:30:012
127335991311,1cyclictest0-21swapper/211:15:552
127335991311,1cyclictest0-21swapper/211:15:552
127335991311,1cyclictest0-21swapper/211:15:012
127335991311,1cyclictest0-21swapper/209:05:582
127335991311,1cyclictest0-21swapper/207:35:002
127335991311,1cyclictest0-21swapper/207:10:012
127335991310,1cyclictest0-21swapper/210:40:582
127335991310,1cyclictest0-21swapper/210:00:532
127335991310,1cyclictest0-21swapper/208:35:522
127335991310,1cyclictest0-21swapper/207:51:102
127333991310,2cyclictest421180-21kthreadcore10:31:011
127333991310,2cyclictest246402-21gltestperf08:45:551
127333991310,2cyclictest1700-21systemd-logind07:45:011
127333991310,2cyclictest137980-21kthreadcore07:15:561
127333991310,2cyclictest0-21swapper/110:55:551
12732999135,7cyclictest163916-21tr07:35:580
12732999135,7cyclictest163916-21tr07:35:580
12732999133,2cyclictest0-21swapper/007:25:520
127329991311,1cyclictest215370-21head08:20:560
127329991311,1cyclictest1635-21dbus-daemon08:45:010
127329991310,2cyclictest248498-21kthreadcore08:46:000
127329991310,2cyclictest233785-21cpuspeed_turbos08:35:530
127329991310,2cyclictest230748-21kthreadcore08:30:590
127329991310,2cyclictest166676-21cpuspeed_turbos07:40:520
127329991310,2cyclictest0-21swapper/007:55:000
302487291123,2phc2sys0-21swapper/310:59:563
302487291123,2phc2sys0-21swapper/307:45:573
302487291122,4phc2sys0-21swapper/311:20:013
302487291122,4phc2sys0-21swapper/311:20:013
302487291122,2phc2sys0-21swapper/311:25:113
302487291121,2phc2sys0-21swapper/308:40:513
302487291120,2phc2sys0-21swapper/310:42:193
302487291120,2phc2sys0-21swapper/310:03:533
302487291120,2phc2sys0-21swapper/308:31:013
302487291120,2phc2sys0-21swapper/308:17:113
302487291120,2phc2sys0-21swapper/308:02:083
302487291120,2phc2sys0-21swapper/307:38:233
302487291120,2phc2sys0-21swapper/307:38:233
12733599129,1cyclictest0-21swapper/208:50:562
12733599129,1cyclictest0-21swapper/208:30:592
12733599129,1cyclictest0-21swapper/208:10:012
12733599129,1cyclictest0-21swapper/207:40:552
127335991210,1cyclictest0-21swapper/208:55:542
127335991210,1cyclictest0-21swapper/207:20:592
12733399129,2cyclictest240797-21irqrtprio08:40:591
12733399129,2cyclictest173611-21sed07:45:551
12733399128,3cyclictest205518-21kthreadcore08:10:571
12733399124,7cyclictest0-21swapper/107:30:501
3296832110,2sleep30-21swapper/309:40:543
302487291112,2phc2sys0-21swapper/310:48:563
302487291111,3phc2sys0-21swapper/310:22:543
302487291110,3phc2sys0-21swapper/311:20:503
302487291110,2phc2sys0-21swapper/309:57:093
302487291110,2phc2sys0-21swapper/308:45:403
302487291110,2phc2sys0-21swapper/307:52:313
302487291110,2phc2sys0-21swapper/307:25:503
12733399118,2cyclictest197157-21head08:05:531
12733399111,3cyclictest127180-21latency_hist07:10:011
12732999114,2cyclictest142159-21aten_repower_en07:20:520
302487291101,2phc2sys0-21swapper/309:10:043
302487291101,2phc2sys0-21swapper/308:10:023
302487291100,3phc2sys0-21swapper/309:00:553
302487291100,2phc2sys0-21swapper/312:21:503
302487291100,2phc2sys0-21swapper/312:19:333
302487291100,2phc2sys0-21swapper/310:13:323
302487291100,2phc2sys0-21swapper/308:51:013
302487291100,2phc2sys0-21swapper/307:31:393
302487291100,2phc2sys0-21swapper/307:18:193
302487291100,2phc2sys0-21swapper/307:10:023
30248729192,2phc2sys0-21swapper/308:55:303
30248729191,2phc2sys0-21swapper/307:05:493
30248729190,3phc2sys0-21swapper/307:40:513
30248729190,2phc2sys0-21swapper/311:50:043
30248729190,2phc2sys0-21swapper/308:35:543
30248729190,2phc2sys0-21swapper/308:20:033
30248729190,2phc2sys0-21swapper/307:55:513
1273299980,6cyclictest1-21systemd07:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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