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2026-04-14 - 06:48
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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 Apr 14, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
163944221040,2sleep01639446-21cut22:05:580
15687282590,1sleep11568727-21ssh21:18:091
1401412992826,1cyclictest0-21swapper/200:30:022
1401405992515,6cyclictest3824500-21cron21:10:000
14140262240,1sleep01414030-21tr19:16:010
1401412992219,1cyclictest0-21swapper/200:05:002
1401412992218,2cyclictest0-21swapper/219:45:002
1401412992218,1cyclictest0-21swapper/221:55:512
1401405992213,5cyclictest1597857-21timerwakeupswit21:36:040
1401405992212,6cyclictest1567680-21mailstats21:16:050
17791062210,2sleep20-21swapper/223:37:392
16755632210,2sleep30-21swapper/322:30:543
1401412992118,1cyclictest0-21swapper/200:21:062
1401410992118,2cyclictest1535371-21apt-config20:55:001
1401410992118,2cyclictest0-21swapper/122:20:001
1401410992117,3cyclictest1853299-21needreboot00:26:011
1401405992118,2cyclictest1584481-21grep21:30:010
1401405992117,3cyclictest1290-21dbus-daemon00:30:020
1401412992017,1cyclictest0-21swapper/223:25:002
1401412992017,1cyclictest0-21swapper/221:20:002
1401410992011,3cyclictest0-21swapper/122:25:521
1401405992012,5cyclictest1679443-21kthreadcore22:31:000
1401405992011,5cyclictest3952720-21sshd23:58:300
383433398190,3rtkit-daemon3851703-21mta-sts-daemon19:57:290
15386552190,2sleep30-21swapper/320:55:593
140141299193,6cyclictest16212342sleep221:53:182
1401412991917,1cyclictest0-21swapper/223:40:542
1401412991917,1cyclictest0-21swapper/200:40:002
1401412991914,1cyclictest0-21swapper/219:20:012
140141099199,3cyclictest1401398-21cyclictest21:35:521
1401410991916,2cyclictest1802387-21dump-pmu-power23:55:001
1401410991916,2cyclictest1516593-21sendmail20:40:001
140140599192,4cyclictest134050irq/121-eno100:15:510
1401405991916,2cyclictest1750070-21grep23:20:020
1401405991911,4cyclictest1401398-21cyclictest21:24:100
1401405991911,4cyclictest1401398-21cyclictest21:24:100
2649091189,2phc2sys0-21swapper/321:16:003
2649091180,3phc2sys0-21swapper/322:11:513
2649091180,2phc2sys0-21swapper/323:28:313
2649091180,2phc2sys0-21swapper/319:45:533
2649091180,2phc2sys0-21swapper/319:45:533
17198412180,2sleep30-21swapper/323:00:003
140141299184,12cyclictest0-21swapper/221:40:272
1401412991815,1cyclictest0-21swapper/221:40:002
1401412991815,1cyclictest0-21swapper/221:30:002
140141299181,4cyclictest0-21swapper/222:25:522
1401412991814,2cyclictest0-21swapper/200:20:002
1401410991815,2cyclictest1719773-21latency_hist23:00:001
1401410991815,2cyclictest1605182-21mailstats21:41:051
1401410991815,2cyclictest1416246-21ls19:20:001
1401410991815,2cyclictest0-21swapper/120:45:001
1401410991814,3cyclictest1625399-21kthreadcore21:55:591
1401410991814,3cyclictest1479019-21dump-pmu-power20:10:001
1401410991814,2cyclictest1614578-21latency_hist21:50:011
1401410991810,3cyclictest0-21swapper/122:11:001
1401410991810,3cyclictest0-21swapper/121:22:371
1401410991810,3cyclictest0-21swapper/121:22:371
140140599189,5cyclictest1623692-21/usr/sbin/munin21:55:570
1401405991815,2cyclictest1825308-21sh00:10:010
1401405991815,2cyclictest1296-21polkitd22:30:010
1401405991812,1cyclictest1406921-21python319:11:040
1401405991811,6cyclictest0-21swapper/021:35:010
1401405991810,7cyclictest1864202-21if_err_enp1s0.800:35:580
2649091170,2phc2sys0-21swapper/321:39:163
2649091170,2phc2sys0-21swapper/300:03:413
14232352170,1sleep10-21swapper/119:25:521
1401412991715,1cyclictest0-21swapper/223:05:592
1401412991715,1cyclictest0-21swapper/222:01:052
1401412991715,1cyclictest0-21swapper/219:30:022
1401412991715,1cyclictest0-21swapper/200:35:012
1401412991714,1cyclictest0-21swapper/223:55:012
1401412991714,1cyclictest0-21swapper/222:45:002
1401412991714,1cyclictest0-21swapper/222:35:012
1401412991714,1cyclictest0-21swapper/220:45:002
1401412991714,1cyclictest0-21swapper/219:15:022
1401412991713,2cyclictest0-21swapper/222:38:262
140141099179,3cyclictest1638156-21if_enp1s022:05:561
140141099179,3cyclictest0-21swapper/122:50:011
1401410991714,2cyclictest1636909-21munin-plugin-st22:05:011
1401410991714,2cyclictest1541844-21sendmail21:00:001
1401410991714,2cyclictest0-21swapper/122:35:021
1401410991713,3cyclictest3824500-21cron00:05:021
1401410991713,3cyclictest1561980-21latency_hist21:15:011
140141099170,3cyclictest1861483-21ssh00:31:111
140140599179,2cyclictest0-21swapper/000:21:050
140140599179,1cyclictest0-21swapper/000:05:010
1401405991714,2cyclictest1600494-21cut21:40:560
1401405991714,2cyclictest1497880-21cut20:25:000
1401405991714,2cyclictest1401398-21cyclictest20:30:010
1401405991714,2cyclictest1296-21polkitd19:40:010
1401405991714,2cyclictest1290-21dbus-daemon22:45:010
1401405991710,4cyclictest1401398-21cyclictest23:40:560
383433398160,3rtkit-daemon1703241-21ssh22:46:050
2649091160,3phc2sys0-21swapper/322:41:383
2649091160,2phc2sys0-21swapper/323:24:423
2649091160,2phc2sys0-21swapper/300:05:463
2649091160,1phc2sys0-21swapper/323:18:253
140141299169,2cyclictest0-21swapper/223:55:442
1401412991614,1cyclictest0-21swapper/223:00:002
1401412991614,1cyclictest0-21swapper/222:55:012
1401412991614,1cyclictest0-21swapper/221:11:002
1401412991613,1cyclictest0-21swapper/223:10:202
1401412991613,1cyclictest0-21swapper/222:10:552
1401412991613,1cyclictest0-21swapper/221:24:282
1401412991613,1cyclictest0-21swapper/221:24:282
1401412991612,2cyclictest0-21swapper/220:00:532
140141099169,6cyclictest3851705-21mta-sts-daemon21:00:531
1401410991614,1cyclictest1832858-21latency_hist00:15:001
1401410991613,2cyclictest3851702-21mta-sts-daemon00:39:141
1401410991613,2cyclictest1803551-21cstates23:55:521
1401410991613,2cyclictest1740993-21grep23:11:061
1401410991613,2cyclictest1727589-21cut23:05:021
1401410991613,2cyclictest1590913-21runrttasks21:32:171
1401410991613,2cyclictest1549424-21irqcore21:05:571
1401410991612,3cyclictest3824565-21in:imuxsock19:45:011
1401410991612,3cyclictest1841703-21if_enp1s000:20:571
1401410991612,2cyclictest0-21swapper/122:55:011
1401410991611,4cyclictest3851702-21mta-sts-daemon23:32:221
1401410991610,1cyclictest191rcu_preempt22:35:531
140140599169,3cyclictest1401398-21cyclictest22:11:560
140140599166,6cyclictest0-21swapper/023:05:560
140140599166,5cyclictest0-21swapper/022:15:590
140140599163,8cyclictest1529559-21aten2.4-expect20:50:530
140140599163,2cyclictest1535451-21kworker/u16:2+xprtiod22:55:470
1401405991613,2cyclictest3851875-21systemd-journal21:55:020
1401405991613,2cyclictest3851704-21mta-sts-daemon22:02:290
1401405991613,2cyclictest3827634-1atopacctd00:11:000
1401405991613,2cyclictest1862764-21sh00:35:000
1401405991613,2cyclictest1777973-21grep23:36:010
1401405991613,2cyclictest1764951-21systemd-run23:30:010
1401405991613,2cyclictest1447850-21munin-plugin-st19:45:000
1401405991613,2cyclictest1435280-21latency_hist19:35:010
1401405991613,2cyclictest1401398-21cyclictest19:20:510
1401405991613,2cyclictest1290-21dbus-daemon23:05:010
1401405991612,3cyclictest1690066-21kworker/u16:3+nfsiod23:48:380
1401405991611,2cyclictest3851698-21mta-sts-daemon23:34:160
1401405991610,5cyclictest1735635-21cpuspeed_turbos23:10:530
1401405991610,5cyclictest1665256-21grep22:21:020
2649091151,2phc2sys0-21swapper/320:21:223
2649091150,3phc2sys0-21swapper/323:40:413
2649091150,2phc2sys0-21swapper/300:22:473
2649091150,1phc2sys0-21swapper/323:47:433
2649091150,1phc2sys0-21swapper/323:37:043
140141299153,9cyclictest1529059-21taskset20:49:562
140141299151,7cyclictest0-21swapper/223:45:542
1401412991513,1cyclictest0-21swapper/200:05:522
1401412991512,1cyclictest0-21swapper/223:25:372
1401412991512,1cyclictest0-21swapper/223:15:312
1401412991512,1cyclictest0-21swapper/221:50:002
1401412991512,1cyclictest0-21swapper/220:26:002
1401412991512,1cyclictest0-21swapper/220:25:012
1401412991512,1cyclictest0-21swapper/220:12:432
1401412991512,1cyclictest0-21swapper/200:11:032
140141099158,3cyclictest1485848-21aten2.4-expect20:15:531
1401410991513,1cyclictest3851704-21mta-sts-daemon23:26:041
1401410991512,2cyclictest3851705-21mta-sts-daemon21:29:371
1401410991512,2cyclictest1785347-21latency23:41:011
1401410991512,2cyclictest1775898-21kthreadcore23:36:001
1401410991512,2cyclictest1751750-21kthreadcore23:20:591
1401410991512,2cyclictest1728625-21gltestperf23:05:561
1401410991512,2cyclictest1617817-21kthreadcore21:51:001
1401410991512,2cyclictest1407940-21cstates19:15:011
1401410991511,3cyclictest1690066-21kworker/u16:3+nfsiod00:17:451
1401410991511,3cyclictest1421894-21pmu-power19:21:001
1401410991510,4cyclictest3851703-21mta-sts-daemon00:03:091
1401410991510,2cyclictest3851703-21mta-sts-daemon22:24:581
140141099150,3cyclictest1749807-21idleruntime-cro23:20:001
140141099150,3cyclictest0-21swapper/120:34:591
140140599154,3cyclictest0-21swapper/021:00:580
1401405991512,2cyclictest3834328-21sendmail-mta19:50:330
1401405991512,2cyclictest1710315-21latency22:51:010
1401405991512,2cyclictest1686079-21kthreadcore22:36:010
383433398140,2rtkit-daemon3851704-21mta-sts-daemon19:28:110
2649091141,3phc2sys0-21swapper/323:50:523
2649091141,3phc2sys0-21swapper/300:30:523
2649091140,3phc2sys0-21swapper/321:53:413
2649091140,3phc2sys0-21swapper/320:17:213
2649091140,3phc2sys0-21swapper/319:50:583
2649091140,2phc2sys0-21swapper/321:10:313
2649091140,1phc2sys0-21swapper/322:02:103
140141299147,1cyclictest0-21swapper/222:05:452
140141299143,9cyclictest1466482-21chrt19:59:552
140141299142,10cyclictest14790022chrt20:09:572
1401412991412,1cyclictest0-21swapper/222:45:522
1401412991412,1cyclictest0-21swapper/221:05:012
1401412991412,1cyclictest0-21swapper/219:51:032
1401412991411,1cyclictest0-21swapper/223:31:032
1401412991411,1cyclictest0-21swapper/221:31:262
1401412991411,1cyclictest0-21swapper/220:35:542
1401412991411,1cyclictest0-21swapper/219:46:022
1401412991411,1cyclictest0-21swapper/219:46:022
1401412991411,1cyclictest0-21swapper/219:35:592
140141099149,4cyclictest3851704-21mta-sts-daemon20:27:361
1401410991412,1cyclictest3851702-21mta-sts-daemon22:41:231
1401410991411,2cyclictest1788724-21gltestperf23:45:581
1401410991411,2cyclictest1524115-21sort20:45:581
1401410991411,2cyclictest1460761-21aten_repower_fr19:55:531
1401410991411,2cyclictest1455715-21kthreadcore19:50:591
1401410991411,2cyclictest1401398-21cyclictest19:31:371
1401410991410,3cyclictest1480396-21irqcore20:10:551
1401410991410,3cyclictest1452818-21kthreadcore19:46:001
1401410991410,3cyclictest1452818-21kthreadcore19:46:001
140140599147,6cyclictest1555687-21grep21:10:550
140140599145,5cyclictest1608912-21kthreadcore21:45:580
1401405991411,2cyclictest3851702-21mta-sts-daemon20:36:070
1401405991411,2cyclictest1800621-21processes23:51:030
1401405991411,2cyclictest1517590-21cut20:40:550
1401405991411,2cyclictest1491570-21latency_hist20:20:000
1401405991411,2cyclictest1485318-21cron20:15:000
1401405991411,2cyclictest1474689-21kthreadcore20:05:580
1401405991411,2cyclictest1407682-21munin-node20:55:440
1401405991411,2cyclictest1-21systemd20:34:450
1401405991411,2cyclictest0-21swapper/020:50:000
1401405991410,3cyclictest3851704-21mta-sts-daemon23:20:490
2649091131,2phc2sys0-21swapper/322:49:093
2649091130,2phc2sys0-21swapper/323:59:023
2649091130,2phc2sys0-21swapper/323:14:293
2649091130,2phc2sys0-21swapper/322:54:533
2649091130,2phc2sys0-21swapper/319:55:363
2649091130,2phc2sys0-21swapper/300:13:053
2649091130,1phc2sys0-21swapper/323:33:103
2649091130,1phc2sys0-21swapper/319:23:153
140141299139,2cyclictest0-21swapper/223:01:002
140141299136,2cyclictest0-21swapper/222:17:352
140141299132,8cyclictest1416820-21chrt19:20:032
1401412991311,1cyclictest0-21swapper/220:30:552
1401412991311,1cyclictest0-21swapper/219:30:582
1401412991310,1cyclictest0-21swapper/222:20:502
1401412991310,1cyclictest0-21swapper/221:05:582
140141299130,10cyclictest0-21swapper/220:15:522
1401410991310,2cyclictest3851702-21mta-sts-daemon19:35:171
1401410991310,2cyclictest1469178-21kthreadcore20:00:591
140141099130,7cyclictest1290-21dbus-daemon19:10:011
1401405991310,2cyclictest1468007-21irqrtprio20:00:580
1401405991310,2cyclictest1449696-21kthreadcore19:45:580
1401405991310,2cyclictest1449696-21kthreadcore19:45:580
2649091122,2phc2sys0-21swapper/321:55:523
2649091120,2phc2sys0-21swapper/322:38:373
2649091120,2phc2sys0-21swapper/321:00:563
2649091120,1phc2sys0-21swapper/320:37:363
2649091120,1phc2sys0-21swapper/319:28:203
140141299129,1cyclictest0-21swapper/220:55:592
140141299124,2cyclictest0-21swapper/220:50:142
1401410991210,1cyclictest1492343-21cstates20:20:541
2649091111,2phc2sys0-21swapper/323:07:073
2649091111,2phc2sys0-21swapper/322:05:513
2649091110,2phc2sys0-21swapper/321:49:593
2649091110,2phc2sys0-21swapper/321:32:483
2649091110,2phc2sys0-21swapper/320:50:343
2649091110,2phc2sys0-21swapper/320:11:403
2649091110,2phc2sys0-21swapper/320:04:303
2649091110,2phc2sys0-21swapper/319:18:383
2649091110,2phc2sys0-21swapper/300:39:033
2649091110,2phc2sys0-21swapper/300:27:043
2649091110,1phc2sys0-21swapper/323:03:503
2649091110,1phc2sys0-21swapper/320:25:063
2649091110,1phc2sys0-21swapper/319:13:133
2649091103,2phc2sys0-21swapper/300:17:293
2649091101,2phc2sys0-21swapper/322:21:303
2649091101,2phc2sys0-21swapper/320:05:593
2649091100,2phc2sys0-21swapper/321:40:293
2649091100,2phc2sys0-21swapper/321:29:513
2649091100,2phc2sys0-21swapper/321:22:133
2649091100,2phc2sys0-21swapper/321:22:133
2649091100,2phc2sys0-21swapper/320:40:533
140140599105,4cyclictest1-21systemd19:10:010
264909191,3phc2sys0-21swapper/319:10:013
264909190,3phc2sys0-21swapper/319:40:013
264909190,2phc2sys0-21swapper/322:25:313
264909190,2phc2sys0-21swapper/322:15:053
264909190,2phc2sys0-21swapper/321:05:583
264909190,2phc2sys0-21swapper/319:40:543
264909190,2phc2sys0-21swapper/319:30:563
1504541294,3sleep30-21swapper/320:30:553
14014129997,1cyclictest0-21swapper/219:10:012
264909181,2phc2sys0-21swapper/320:45:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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