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2026-08-22 - 22:01
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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 Sat Aug 22, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
159477921190,2sleep11403301-21cyclictest09:25:061
16451702960,2sleep30-21swapper/309:53:303
15939632690,0sleep01593969-21cut09:25:050
17503122350,2sleep20-21swapper/210:50:092
16599862330,1sleep20-21swapper/210:00:072
1403303992919,6cyclictest1584607-21909:20:030
17951472270,1sleep00-21swapper/011:15:130
1403304992414,6cyclictest1932476-21irqcore12:35:021
1403303992411,8cyclictest1905474-21munin-run12:20:020
1403304992317,2cyclictest82050irq/121-eno109:15:111
1403303992313,5cyclictest1856829-21kthreadcore11:50:060
1403303992312,6cyclictest376-21systemd-journal09:55:020
1403303992310,4cyclictest1801012-21kthreadcore11:20:060
140330399228,6cyclictest0-21swapper/010:35:100
140330399220,11cyclictest1611103-21munin-run09:35:010
140330499218,3cyclictest0-21swapper/111:50:011
140330499218,3cyclictest0-21swapper/111:50:011
1403304992111,6cyclictest1905344-21gltestperf12:20:011
140330399219,4cyclictest1624874-21kthreadcore09:40:090
140330399218,5cyclictest1895167-21runrttasks12:13:550
140330399218,5cyclictest0-21swapper/011:25:110
140330399218,2cyclictest0-21swapper/011:30:040
140330399215,4cyclictest0-21swapper/011:06:540
2447398200,2rtkit-daemon24472-21rtkit-daemon10:57:101
140330499208,3cyclictest0-21swapper/110:50:061
1403304992011,5cyclictest1825007-21perl11:35:001
140330399209,3cyclictest1698751-21ssh10:23:060
140330399208,4cyclictest1907898-21kthreadcore12:20:050
140330399204,7cyclictest0-21swapper/012:29:420
1403303992011,5cyclictest1703537-21kthreadcore10:25:050
140330399200,10cyclictest0-21swapper/008:29:410
14462932190,2sleep30-21swapper/307:40:073
140330499199,6cyclictest1619604-21munin-run09:40:011
140330499198,7cyclictest1673619-21munin-run10:10:011
1403304991916,2cyclictest975-21in:imuxsock12:03:121
1403304991911,3cyclictest1645701-21/usr/sbin/munin09:55:011
1403304991910,5cyclictest1490064-21latency_hist08:15:031
140330399199,6cyclictest1574374-21/usr/sbin/munin09:14:550
140330399199,6cyclictest1574374-21/usr/sbin/munin09:14:550
140330399197,5cyclictest0-21swapper/010:34:590
1403303991910,8cyclictest1728786-21kthreadcore10:40:040
1403303991910,8cyclictest1637292-21cstates09:49:580
1403303991910,5cyclictest0-21swapper/009:38:450
140330399190,17cyclictest1409324-21tr07:14:580
140330499188,7cyclictest1718050-21cat10:35:011
140330499187,7cyclictest1691390-21awk10:20:001
140330499187,7cyclictest1403827-21cat07:10:021
140330499187,4cyclictest1890713-21kthreadcore12:10:051
140330499183,4cyclictest1625139-21needreboot09:40:101
1403304991815,2cyclictest1483155-21if_enp1s008:10:011
1403304991814,3cyclictest932-1atopacctd08:20:011
1403304991814,3cyclictest1790374-21kthreadcore11:15:061
1403304991814,3cyclictest1604619-21kthreadcore09:30:051
1403304991814,3cyclictest1564712-21phc2sys09:05:081
1403304991814,3cyclictest1514604-21kthreadcore08:30:051
1403304991814,3cyclictest1442444-21kthreadcore07:40:061
1403304991811,3cyclictest191rcu_preempt11:50:331
1403304991811,3cyclictest1727183-21systemctl10:40:011
140330399185,4cyclictest778-21dbus-daemon11:45:010
140330399182,11cyclictest0-21swapper/010:55:270
1403303991816,1cyclictest1427902-21latency_hist07:30:020
1403303991815,2cyclictest862-21gmain07:25:020
140330399181,3cyclictest1842046-21/usr/sbin/munin11:45:090
140330399181,3cyclictest1842046-21/usr/sbin/munin11:45:090
140330399180,9cyclictest1499880-21tr08:20:050
140330399180,7cyclictest171ktimers/009:20:040
2213291170,4phc2sys0-21swapper/311:10:013
1403305991714,1cyclictest0-21swapper/209:55:002
1403305991713,1cyclictest0-21swapper/207:40:022
140330499178,5cyclictest1532268-21latency_hist08:45:031
140330499176,6cyclictest1914438-21hddtemp_smartct12:25:021
140330499174,5cyclictest1832525-21sh11:38:231
1403304991715,1cyclictest1700620-21sh10:25:021
1403304991714,2cyclictest1627843-21/usr/sbin/munin09:45:091
1403304991713,3cyclictest1883334-21kthreadcore12:05:061
1403304991713,3cyclictest1813522-21sh11:26:061
1403304991713,3cyclictest1739152-21kthreadcore10:45:061
1403304991713,3cyclictest1664171-21sh10:04:591
1403304991713,3cyclictest1536947-21missed_timers08:45:051
1403304991713,3cyclictest1465942-21kthreadcore07:55:051
140330499171,11cyclictest1206-21snmpd09:57:241
140330399176,5cyclictest191rcu_preempt07:55:080
140330399175,5cyclictest1593049-21kworker/u16:3-rpciod11:04:430
140330399175,2cyclictest0-21swapper/012:38:320
1403303991715,1cyclictest1886657-21apt-get12:09:420
1403303991714,2cyclictest1497518-21irqrtprio08:20:030
1403303991710,6cyclictest1830294-21latency11:35:080
1403303991710,5cyclictest778-21dbus-daemon08:55:090
140330399170,13cyclictest0-21swapper/008:30:070
2213291160,3phc2sys0-21swapper/309:38:403
2213291160,1phc2sys0-21swapper/312:12:423
2213291160,1phc2sys0-21swapper/310:45:073
1403305991614,1cyclictest0-21swapper/210:35:092
1403305991613,1cyclictest0-21swapper/211:15:082
140330499169,4cyclictest0-21swapper/108:25:031
140330499166,3cyclictest1916508-21kthreadcore12:25:061
1403304991613,2cyclictest977-21rs:main1
1403304991612,3cyclictest1730060-21kthreadcore10:40:051
1403304991612,3cyclictest1676807-21kthreadcore10:10:051
1403304991612,3cyclictest1589285-21kthreadcore09:20:071
1403304991612,3cyclictest1568924-21kthreadcore09:10:041
1403304991612,3cyclictest1568924-21kthreadcore09:10:041
1403304991612,3cyclictest1555633-21kthreadcore09:00:041
1403304991612,3cyclictest1551941-21aten_repower_po08:59:511
1403304991612,3cyclictest1505396-21kthreadcore08:25:051
1403304991612,3cyclictest1450309-21kthreadcore07:45:031
1403304991612,3cyclictest1429223-21kthreadcore07:30:041
1403304991612,3cyclictest1423039-21kthreadcore07:25:031
140330399166,6cyclictest0-21swapper/008:40:110
140330399166,4cyclictest215-21jbd2/sda2-807:51:160
140330399164,4cyclictest1682451-21munin-run10:15:010
1403303991613,2cyclictest1866069-21proc_pri11:55:080
1403303991613,2cyclictest1474596-21mailstats08:00:090
1403303991613,2cyclictest1433062-21mailstats07:30:090
1403303991612,3cyclictest24610-21gmain12:02:490
1403303991612,3cyclictest1411239-21kthreadcore07:15:040
140330399160,8cyclictest1683132-21irqrtprio10:15:030
1403305991513,1cyclictest0-21swapper/212:40:012
1403305991512,1cyclictest0-21swapper/212:10:172
1403305991512,1cyclictest0-21swapper/212:10:002
1403305991512,1cyclictest0-21swapper/211:05:052
1403305991512,1cyclictest0-21swapper/211:00:092
1403305991512,1cyclictest0-21swapper/210:29:592
1403305991512,1cyclictest0-21swapper/210:15:022
1403305991512,1cyclictest0-21swapper/209:34:592
1403305991512,1cyclictest0-21swapper/209:10:012
1403305991512,1cyclictest0-21swapper/207:21:092
1403304991512,2cyclictest778-21dbus-daemon07:55:021
1403304991512,2cyclictest1863539-21kthreadcore11:55:051
1403304991512,2cyclictest1520508-21kthreadcore08:35:061
1403304991512,2cyclictest1414978-21kthreadcore07:20:041
1403304991511,3cyclictest1803152-21kthreadcore11:20:071
1403304991511,3cyclictest1773158-21kthreadcore11:05:051
1403304991511,3cyclictest1766207-21kthreadcore11:00:051
1403304991511,3cyclictest1701836-21kthreadcore10:25:041
1403304991511,3cyclictest1539972-21kthreadcore08:50:041
1403304991511,3cyclictest1471855-21kthreadcore08:00:051
1403304991511,3cyclictest1438169-21kthreadcore07:35:061
1403304991511,3cyclictest1408063-21pmu-power07:10:071
1403304991510,4cyclictest0-21swapper/111:43:591
140330399156,4cyclictest191rcu_preempt09:55:430
140330399155,3cyclictest1482241-21/usr/sbin/munin08:10:100
140330399155,2cyclictest0-21swapper/012:30:450
140330399151,7cyclictest1668713-21cut10:05:070
140330399151,6cyclictest1744008-21/usr/sbin/munin10:50:090
140330399151,6cyclictest0-21swapper/011:10:160
1403303991511,3cyclictest1739925-21kthreadcore10:45:070
1403303991511,3cyclictest1660540-21kthreadcore10:00:070
1403303991511,3cyclictest1521009-21kthreadcore08:35:060
1403303991511,3cyclictest1479044-21kthreadcore08:05:060
1403303991511,3cyclictest1436368-21kthreadcore07:35:050
140330399150,1cyclictest1558779-21apt-get09:04:420
2213291142,2phc2sys0-21swapper/311:00:113
2213291140,5phc2sys0-21swapper/309:34:203
2213291140,2phc2sys0-21swapper/310:57:253
2213291140,1phc2sys0-21swapper/310:16:343
1403305991412,1cyclictest0-21swapper/211:45:042
1403305991412,1cyclictest0-21swapper/211:45:042
1403305991412,1cyclictest0-21swapper/210:40:062
1403305991412,1cyclictest0-21swapper/210:15:092
1403305991412,1cyclictest0-21swapper/207:50:012
1403305991412,1cyclictest0-21swapper/207:30:052
1403305991411,1cyclictest0-21swapper/210:55:072
1403305991411,1cyclictest0-21swapper/210:34:592
1403305991411,1cyclictest0-21swapper/210:21:092
1403305991411,1cyclictest0-21swapper/209:55:452
1403305991411,1cyclictest0-21swapper/209:28:092
1403305991411,1cyclictest0-21swapper/209:15:092
1403305991411,1cyclictest0-21swapper/208:44:592
1403305991411,1cyclictest0-21swapper/208:15:082
1403305991411,1cyclictest0-21swapper/207:10:092
140330499148,2cyclictest2447398rtkit-daemon07:15:091
1403304991410,3cyclictest1784958-21kthreadcore11:10:041
1403303991411,2cyclictest1453685-21pmu-power07:45:070
1403303991410,3cyclictest1561633-21kthreadcore09:05:050
1403303991410,3cyclictest1542280-21kthreadcore08:50:050
1403303991410,3cyclictest1536330-21kthreadcore08:45:040
1403303991410,3cyclictest1442222-21irqcore07:40:040
2213291130,2phc2sys0-21swapper/312:30:433
2213291130,2phc2sys0-21swapper/311:51:103
2213291130,2phc2sys0-21swapper/311:28:323
2213291130,1phc2sys0-21swapper/310:53:043
1403305991311,1cyclictest0-21swapper/212:30:052
1403305991311,1cyclictest0-21swapper/211:55:052
1403305991311,1cyclictest0-21swapper/211:35:062
1403305991311,1cyclictest0-21swapper/211:25:072
1403305991311,1cyclictest0-21swapper/211:20:062
1403305991311,1cyclictest0-21swapper/211:12:102
1403305991311,1cyclictest0-21swapper/209:45:062
1403305991311,1cyclictest0-21swapper/209:20:072
1403305991311,1cyclictest0-21swapper/209:10:052
1403305991311,1cyclictest0-21swapper/209:10:052
1403305991311,1cyclictest0-21swapper/208:50:052
1403305991311,1cyclictest0-21swapper/208:35:112
1403305991311,1cyclictest0-21swapper/208:10:052
1403305991311,1cyclictest0-21swapper/208:05:052
1403305991311,1cyclictest0-21swapper/207:25:042
1403305991311,1cyclictest0-21swapper/207:10:022
1403305991310,1cyclictest0-21swapper/212:20:012
1403305991310,1cyclictest0-21swapper/212:00:062
1403305991310,1cyclictest0-21swapper/211:35:012
1403305991310,1cyclictest0-21swapper/210:05:132
1403305991310,1cyclictest0-21swapper/209:04:432
1403305991310,1cyclictest0-21swapper/208:30:052
1403303991310,2cyclictest778-21dbus-daemon07:10:020
2213291120,2phc2sys0-21swapper/312:23:563
2213291120,2phc2sys0-21swapper/310:27:083
2213291120,2phc2sys0-21swapper/310:06:413
2213291120,2phc2sys0-21swapper/310:04:383
140330599129,1cyclictest0-21swapper/208:55:062
140330599129,1cyclictest0-21swapper/208:20:552
1403305991210,1cyclictest0-21swapper/212:25:072
1403305991210,1cyclictest0-21swapper/212:20:062
1403305991210,1cyclictest0-21swapper/211:50:052
1403305991210,1cyclictest0-21swapper/211:45:022
1403305991210,1cyclictest0-21swapper/210:45:072
1403305991210,1cyclictest0-21swapper/209:40:092
1403305991210,1cyclictest0-21swapper/209:35:052
1403305991210,1cyclictest0-21swapper/208:25:042
1403305991210,1cyclictest0-21swapper/208:00:042
1403305991210,1cyclictest0-21swapper/207:55:052
1403305991210,1cyclictest0-21swapper/207:50:052
1403305991210,1cyclictest0-21swapper/207:40:052
1403305991210,1cyclictest0-21swapper/207:19:162
2213291113,2phc2sys0-21swapper/312:01:033
2213291111,3phc2sys0-21swapper/309:25:013
2213291110,1phc2sys0-21swapper/312:17:353
2213291110,1phc2sys0-21swapper/312:06:203
2213291110,1phc2sys0-21swapper/310:24:343
18499782110,2sleep30-21swapper/311:47:363
18499782110,2sleep30-21swapper/311:47:363
140330599119,1cyclictest0-21swapper/208:45:292
2213291104,1phc2sys0-21swapper/308:24:503
2213291102,1phc2sys0-21swapper/310:42:193
2213291101,3phc2sys0-21swapper/309:59:173
2213291101,3phc2sys0-21swapper/308:35:033
2213291101,2phc2sys0-21swapper/311:11:213
2213291100,2phc2sys0-21swapper/312:27:363
2213291100,2phc2sys0-21swapper/311:35:023
2213291100,2phc2sys0-21swapper/309:14:563
2213291100,2phc2sys0-21swapper/309:14:563
2213291100,2phc2sys0-21swapper/308:25:063
2213291100,2phc2sys0-21swapper/308:18:073
2213291100,1phc2sys0-21swapper/312:39:473
2213291100,1phc2sys0-21swapper/311:56:543
2213291100,1phc2sys0-21swapper/308:40:133
221329192,1phc2sys0-21swapper/309:45:223
221329192,1phc2sys0-21swapper/307:37:153
221329191,3phc2sys0-21swapper/311:35:493
221329191,3phc2sys0-21swapper/309:05:083
221329191,3phc2sys0-21swapper/307:55:033
221329191,3phc2sys0-21swapper/307:34:423
221329191,2phc2sys0-21swapper/311:40:073
221329191,2phc2sys0-21swapper/309:27:303
221329191,2phc2sys0-21swapper/309:17:523
221329191,2phc2sys0-21swapper/308:35:083
221329191,1phc2sys0-21swapper/307:10:023
221329190,6phc2sys1475275-21chrt08:04:003
221329190,6phc2sys1468348-21chrt07:58:593
221329190,2phc2sys0-21swapper/311:24:573
221329190,2phc2sys0-21swapper/310:14:563
221329190,2phc2sys0-21swapper/309:40:493
221329190,2phc2sys0-21swapper/308:49:423
221329190,2phc2sys0-21swapper/307:14:593
221329190,1phc2sys0-21swapper/311:15:463
221329190,1phc2sys0-21swapper/310:37:173
221329190,1phc2sys0-21swapper/310:34:363
221329190,1phc2sys0-21swapper/308:14:323
221329190,1phc2sys0-21swapper/307:28:013
221329181,1phc2sys0-21swapper/308:55:073
221329180,3phc2sys0-21swapper/307:45:043
221329180,2phc2sys0-21swapper/309:00:043
221329180,2phc2sys0-21swapper/307:15:113
221329180,1phc2sys0-21swapper/308:08:023
221329180,1phc2sys0-21swapper/307:24:413
221329170,2phc2sys0-21swapper/308:50:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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