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2026-04-18 - 16:13
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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 Sat Apr 18, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
166083421060,3sleep30-21swapper/307:20:023
18028492960,3sleep30-21swapper/309:10:543
18677392330,2sleep20-21swapper/209:55:472
1645796992820,2cyclictest134050irq/121-eno112:40:021
1645797992320,1cyclictest0-21swapper/209:15:012
1645796992320,2cyclictest1290-21dbus-daemon11:20:011
2649091221,2phc2sys0-21swapper/312:12:343
1645796992216,2cyclictest134050irq/121-eno109:10:001
164579699220,7cyclictest0-21swapper/110:10:441
1645795992211,6cyclictest0-21swapper/009:50:540
2649091211,2phc2sys0-21swapper/309:28:223
164579699218,1cyclictest134050irq/121-eno111:47:351
1645795992119,1cyclictest3851702-21mta-sts-daemon11:05:580
1645795992118,2cyclictest1779880-21apt-key08:55:000
1645795992118,2cyclictest0-21swapper/009:10:030
164579599210,7cyclictest1730011-21apt-get08:15:460
1645797992017,1cyclictest0-21swapper/212:40:002
1645797992017,1cyclictest0-21swapper/211:45:012
1645797992017,1cyclictest0-21swapper/208:25:002
1645796992017,2cyclictest1290-21dbus-daemon12:15:021
1645795992018,1cyclictest0-21swapper/010:00:010
1645795992017,2cyclictest1821639-21/usr/sbin/munin09:25:000
1645795992017,2cyclictest1729498-21apt-key08:15:000
1645795992017,2cyclictest1652002-21cron07:15:000
1645795992014,5cyclictest3851703-21mta-sts-daemon11:40:020
2649091192,3phc2sys0-21swapper/310:48:373
1645795991916,2cyclictest1958384-21fschecks_count10:55:490
1645795991916,2cyclictest1-21systemd10:50:010
1645797991815,1cyclictest0-21swapper/211:20:012
1645797991815,1cyclictest0-21swapper/211:00:012
1645797991815,1cyclictest0-21swapper/210:05:502
1645796991815,2cyclictest1-21systemd11:05:581
1645796991815,2cyclictest0-21swapper/109:25:001
1645796991814,2cyclictest0-21swapper/107:15:021
1645796991813,3cyclictest3824565-21in:imuxsock11:55:021
1645796991811,3cyclictest1704830-21tail07:55:451
164579699180,4cyclictest2010030-21ssh11:29:441
1645795991815,2cyclictest1995215-21latency_hist11:20:010
1645795991811,5cyclictest1785939-21sed08:55:590
164579599181,12cyclictest0-21swapper/010:19:370
1645795991810,7cyclictest1801069-21kthreadcore09:10:530
2649091171,4phc2sys0-21swapper/310:15:453
2649091171,2phc2sys0-21swapper/310:12:323
2649091170,2phc2sys0-21swapper/311:47:493
2649091170,2phc2sys0-21swapper/311:39:233
2649091170,2phc2sys0-21swapper/311:12:163
2649091170,2phc2sys0-21swapper/309:56:333
2649091170,2phc2sys0-21swapper/309:36:573
2649091170,2phc2sys0-21swapper/309:24:343
19066482170,2sleep1351ktimers/110:20:511
164579799171,7cyclictest0-21swapper/210:20:442
1645797991715,1cyclictest0-21swapper/212:10:022
1645797991714,1cyclictest0-21swapper/211:50:572
1645797991714,1cyclictest0-21swapper/211:35:002
1645797991714,1cyclictest0-21swapper/209:50:492
1645797991714,1cyclictest0-21swapper/209:35:132
1645797991714,1cyclictest0-21swapper/209:15:502
1645797991713,2cyclictest0-21swapper/207:55:582
1645796991715,1cyclictest1779798-21apt-get08:55:001
1645796991714,2cyclictest2002791-21systemd-run11:25:011
1645796991714,2cyclictest1955397-21threads10:50:581
1645796991714,2cyclictest1678543-21pmu-power07:30:571
1645796991714,2cyclictest0-21swapper/109:35:011
164579699171,10cyclictest1290-21dbus-daemon10:50:001
1645796991710,3cyclictest2050786-21kthreadcore11:55:511
1645796991710,3cyclictest0-21swapper/110:35:011
164579599179,2cyclictest0-21swapper/010:40:440
164579599178,5cyclictest1995633-21/usr/sbin/munin11:20:510
164579599178,5cyclictest1891419-21kthreadcore10:10:510
164579599178,5cyclictest0-21swapper/009:40:450
164579599177,5cyclictest0-21swapper/010:10:000
164579599177,4cyclictest3851702-21mta-sts-daemon11:27:030
164579599176,7cyclictest0-21swapper/012:10:490
1645795991714,2cyclictest1807883-21sh09:15:500
1645795991714,2cyclictest1742447-21systemd08:25:010
1645795991713,3cyclictest1844410-21kworker/u16:0+nfsiod10:20:160
2649091161,5phc2sys0-21swapper/308:50:543
2649091160,2phc2sys0-21swapper/310:52:043
2649091160,2phc2sys0-21swapper/309:19:423
1645797991614,1cyclictest0-21swapper/212:35:002
1645797991614,1cyclictest0-21swapper/211:05:012
1645797991614,1cyclictest0-21swapper/209:10:012
1645797991614,1cyclictest0-21swapper/209:00:562
1645797991613,1cyclictest0-21swapper/212:17:032
1645797991613,1cyclictest0-21swapper/212:00:512
1645797991613,1cyclictest0-21swapper/211:20:552
1645797991613,1cyclictest0-21swapper/210:55:012
1645797991613,1cyclictest0-21swapper/210:36:302
164579799160,7cyclictest0-21swapper/210:15:462
164579699168,3cyclictest0-21swapper/111:45:001
164579699168,3cyclictest0-21swapper/110:06:111
164579699168,3cyclictest0-21swapper/109:16:001
1645796991613,2cyclictest3851702-21mta-sts-daemon10:00:451
1645796991613,2cyclictest2108606-21cron12:35:001
1645796991613,2cyclictest1868561-21irqrtprio09:55:511
1645796991613,2cyclictest1735001-21pmu-power08:15:561
1645796991613,2cyclictest1722314-21processes08:05:571
1645796991612,3cyclictest1844410-21kworker/u16:0+nfsiod09:49:521
1645796991612,2cyclictest0-21swapper/110:20:021
164579599168,4cyclictest0-21swapper/010:51:140
164579599167,5cyclictest0-21swapper/009:46:000
164579599166,6cyclictest2025230-21latency_hist11:40:000
164579599166,5cyclictest0-21swapper/011:48:140
164579599165,6cyclictest0-21swapper/008:07:150
164579599161,4cyclictest2107558-21ssh12:31:450
1645795991614,1cyclictest2093895-21latency_hist12:25:020
1645795991613,2cyclictest3827634-1atopacctd09:05:020
1645795991613,2cyclictest3824565-21in:imuxsock07:45:020
1645795991612,3cyclictest3851705-21mta-sts-daemon08:25:530
1645795991611,4cyclictest2061364-21cut12:00:530
1645795991611,1cyclictest501rcuop/211:53:430
164579599160,1cyclictest0-21swapper/007:55:460
383433398150,7rtkit-daemon3851704-21mta-sts-daemon11:37:231
2649091151,2phc2sys0-21swapper/310:05:473
2649091150,2phc2sys0-21swapper/312:18:463
2649091150,2phc2sys0-21swapper/311:25:353
2649091150,2phc2sys0-21swapper/311:15:313
2649091150,2phc2sys0-21swapper/310:01:253
1645797991513,1cyclictest0-21swapper/212:30:012
1645797991513,1cyclictest0-21swapper/211:35:492
1645797991513,1cyclictest0-21swapper/207:50:012
1645797991512,1cyclictest0-21swapper/211:25:572
1645797991512,1cyclictest0-21swapper/210:41:532
1645797991512,1cyclictest0-21swapper/210:25:522
1645797991512,1cyclictest0-21swapper/208:55:012
1645797991512,1cyclictest0-21swapper/207:55:012
1645797991512,1cyclictest0-21swapper/207:45:002
1645797991512,1cyclictest0-21swapper/207:29:452
1645797991512,1cyclictest0-21swapper/207:25:002
1645797991511,2cyclictest0-21swapper/210:14:232
164579799150,12cyclictest0-21swapper/208:45:462
164579699159,5cyclictest3851704-21mta-sts-daemon09:25:381
164579699159,4cyclictest1762687-21sed08:40:501
164579699155,2cyclictest134050irq/121-eno110:30:001
164579699154,2cyclictest134050irq/121-eno112:15:451
1645796991513,1cyclictest1844521-21cut09:40:021
1645796991512,2cyclictest3851705-21mta-sts-daemon09:00:011
1645796991512,2cyclictest3851703-21mta-sts-daemon07:16:041
1645796991512,2cyclictest2101094-21sh12:30:001
1645796991512,2cyclictest2089567-21kthreadcore12:20:531
1645796991512,2cyclictest2057500-21irqcore12:00:501
1645796991512,2cyclictest2017723-21latency_hist11:35:001
1645796991512,2cyclictest1865182-21mailstats09:50:591
1645796991512,2cyclictest1799728-21aten2.4-expect09:10:481
1645796991512,2cyclictest1743865-21kthreadcore08:25:531
1645796991512,2cyclictest1686420-21cstates07:40:481
1645796991511,3cyclictest3851705-21mta-sts-daemon11:00:531
1645796991511,3cyclictest1715551-21kthreadcore08:00:541
1645796991511,3cyclictest1-21systemd07:51:151
1645796991511,2cyclictest1673333-21latency_hist07:30:021
1645796991511,2cyclictest0-21swapper/111:00:021
164579599158,1cyclictest0-21swapper/009:25:510
164579599155,6cyclictest0-21swapper/011:00:150
164579599155,3cyclictest501rcuop/207:20:460
1645795991513,1cyclictest0-21swapper/012:20:010
1645795991512,2cyclictest3851704-21mta-sts-daemon11:32:280
1645795991512,2cyclictest3851702-21mta-sts-daemon11:11:420
1645795991512,2cyclictest1837456-21aten_repower_cu09:35:460
1645795991512,2cyclictest1836934-21gpgconf09:35:010
1645795991512,2cyclictest1645793-21cyclictest11:55:540
1645795991511,3cyclictest1921640-21kthreadcore10:30:520
1645795991510,2cyclictest3851705-21mta-sts-daemon10:38:370
164579599150,3cyclictest2071107-21latency_hist12:10:000
164579599150,13cyclictest1716882-21dump-pmu-power08:05:000
383433398140,5rtkit-daemon3851703-21mta-sts-daemon07:35:030
2649091140,2phc2sys0-21swapper/312:30:313
2649091140,2phc2sys0-21swapper/312:26:043
1645797991412,1cyclictest0-21swapper/212:10:552
1645797991412,1cyclictest0-21swapper/211:45:532
1645797991412,1cyclictest0-21swapper/211:15:012
1645797991412,1cyclictest0-21swapper/209:30:522
1645797991411,1cyclictest0-21swapper/212:20:492
1645797991411,1cyclictest0-21swapper/210:45:502
1645797991411,1cyclictest0-21swapper/210:30:462
1645797991411,1cyclictest0-21swapper/209:46:022
1645797991411,1cyclictest0-21swapper/209:25:452
1645797991411,1cyclictest0-21swapper/208:15:002
1645797991410,2cyclictest0-21swapper/207:13:502
164579799140,8cyclictest0-21swapper/208:25:462
164579699148,5cyclictest3834332-21rtkit-daemon10:42:001
164579699147,3cyclictest1661081-21aten_repower_po07:20:471
1645796991411,2cyclictest3880722-21gmain08:25:011
1645796991411,2cyclictest3834789-21rpcbind11:10:021
1645796991411,2cyclictest3827634-1atopacctd10:35:541
1645796991411,2cyclictest2066246-21kthreadcore12:05:531
1645796991411,2cyclictest1845537-21sort09:40:481
1645796991411,2cyclictest1698323-21systemd-run07:50:021
1645796991411,2cyclictest1680359-21fschecks_count07:35:491
1645796991411,2cyclictest0-21swapper/108:35:001
1645796991410,3cyclictest1770532-21kthreadcore08:45:541
164579599147,5cyclictest1-21systemd07:35:000
1645795991411,2cyclictest3851704-21mta-sts-daemon08:43:580
1645795991411,2cyclictest1875851-21tr10:00:510
1645795991411,2cyclictest1751198-21kthreadcore08:30:540
1645795991411,2cyclictest1693145-21irqcore07:45:520
164579599140,3cyclictest0-21swapper/010:25:230
164579599140,2cyclictest2116104-21systemctl12:40:000
164579599140,2cyclictest1767621-21/usr/sbin/munin08:45:540
2649091130,3phc2sys0-21swapper/309:00:463
2649091130,2phc2sys0-21swapper/310:44:203
2649091130,2phc2sys0-21swapper/310:39:023
2649091130,2phc2sys0-21swapper/308:31:013
2649091130,1phc2sys0-21swapper/308:39:063
164579799139,2cyclictest0-21swapper/207:35:492
164579799131,6cyclictest0-21swapper/208:20:002
1645797991311,1cyclictest0-21swapper/210:00:472
1645797991311,1cyclictest0-21swapper/209:40:522
1645797991311,1cyclictest0-21swapper/208:40:442
1645797991311,1cyclictest0-21swapper/207:15:472
1645797991310,2cyclictest0-21swapper/211:05:532
1645797991310,1cyclictest0-21swapper/209:20:412
1645797991310,1cyclictest0-21swapper/208:55:472
1645797991310,1cyclictest0-21swapper/208:35:562
1645797991310,1cyclictest0-21swapper/207:30:542
164579699139,3cyclictest1755871-21idleruntime08:35:501
1645796991310,2cyclictest1790177-21kthreadcore09:00:541
1645796991310,2cyclictest1726369-21kthreadcore08:10:531
164579599135,7cyclictest0-21swapper/012:25:510
164579599135,4cyclictest1702433-21tr07:50:530
1645795991310,2cyclictest3824565-21in:imuxsock07:15:370
1645795991310,2cyclictest1673113-21munin-plugin-st07:30:000
383433398120,3rtkit-daemon3827634-1atopacctd07:05:010
2649091125,3phc2sys0-21swapper/311:50:563
2649091120,5phc2sys0-21swapper/309:50:473
2649091120,2phc2sys0-21swapper/311:00:193
2649091120,2phc2sys0-21swapper/309:08:153
2649091120,1phc2sys0-21swapper/312:06:323
2649091120,1phc2sys0-21swapper/312:02:233
164579799129,2cyclictest0-21swapper/208:31:482
1645797991210,1cyclictest0-21swapper/211:55:542
1645797991210,1cyclictest0-21swapper/208:10:012
1645797991210,1cyclictest0-21swapper/208:00:472
164579599121,7cyclictest0-21swapper/008:35:470
2649091117,1phc2sys0-21swapper/312:38:043
2649091112,2phc2sys0-21swapper/310:30:163
2649091111,3phc2sys0-21swapper/309:44:553
2649091110,2phc2sys0-21swapper/311:10:013
2649091110,2phc2sys0-21swapper/310:56:203
2649091110,1phc2sys0-21swapper/312:22:073
2649091110,1phc2sys0-21swapper/308:08:163
2649091110,1phc2sys0-21swapper/308:03:523
2649091110,1phc2sys0-21swapper/307:13:333
18355082110,4sleep30-21swapper/309:31:403
2649091103,1phc2sys0-21swapper/311:32:333
2649091102,2phc2sys0-21swapper/311:40:473
2649091101,2phc2sys0-21swapper/311:20:593
2649091101,2phc2sys0-21swapper/310:20:463
2649091100,4phc2sys0-21swapper/307:45:463
2649091100,2phc2sys0-21swapper/311:56:063
2649091100,2phc2sys0-21swapper/309:46:153
2649091100,2phc2sys0-21swapper/308:15:463
2649091100,2phc2sys0-21swapper/307:55:023
2649091100,2phc2sys0-21swapper/307:40:593
264909191,2phc2sys0-21swapper/307:30:533
264909191,2phc2sys0-21swapper/307:20:473
264909190,3phc2sys0-21swapper/307:35:453
264909190,2phc2sys0-21swapper/310:25:033
264909190,2phc2sys0-21swapper/308:55:293
264909190,2phc2sys0-21swapper/308:48:203
264909190,2phc2sys0-21swapper/308:44:563
264909190,2phc2sys0-21swapper/308:25:523
264909190,2phc2sys0-21swapper/308:20:473
264909190,2phc2sys0-21swapper/308:10:413
264909190,2phc2sys0-21swapper/307:55:543
264909190,2phc2sys0-21swapper/307:25:483
264909190,2phc2sys0-21swapper/307:05:483
16457979997,1cyclictest0-21swapper/207:10:012
16457969996,2cyclictest0-21swapper/107:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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