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2026-08-30 - 16:04
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack0slot2.osadl.org (updated Sun Aug 30, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
152241525419,30sleep70-21swapper/707:06:387
152249624231,8sleep40-21swapper/407:07:474
152236524131,7sleep50-21swapper/507:05:555
1522922993735,2cyclictest1908593-21kworker/u16:5+events_unbound10:14:474
1522922993634,2cyclictest1764648-21kworker/u16:2+events_unbound09:47:594
1522922993634,2cyclictest1483734-21kworker/u16:0+flush-8:007:59:444
1522922993633,2cyclictest1871356-21kworker/u16:0+events_unbound10:11:004
1522922993533,2cyclictest2229227-21kworker/u16:1+events_unbound12:34:454
1522922993533,2cyclictest2139818-21kworker/u16:3+events_unbound12:08:474
1522922993533,2cyclictest2091542-21kworker/u16:1+events_unbound11:53:074
1522922993533,2cyclictest2091542-21kworker/u16:1+events_unbound11:47:354
1522922993533,2cyclictest2007123-21kworker/u16:4+flush-8:011:00:224
1522922993533,2cyclictest1956082-21kworker/u16:2+events_unbound10:27:354
1522922993533,2cyclictest1883737-21kworker/u16:1+events_unbound10:08:594
1522922993432,2cyclictest2228690-21kworker/u16:0+events_unbound12:22:554
1522922993432,2cyclictest2139818-21kworker/u16:3+flush-8:011:44:444
1522922993432,2cyclictest2043031-21kworker/u16:2+events_unbound11:26:194
1522922993432,2cyclictest1832605-21kworker/u16:3+events_unbound10:04:004
1522922993432,2cyclictest1764648-21kworker/u16:2+events_unbound09:54:004
1522922993431,2cyclictest2179985-21kworker/u16:4+events_unbound12:24:474
1522922993330,2cyclictest1760696-21kworker/u16:1+events_unbound09:10:064
1522935993226,5cyclictest648-21systemd-journal09:24:447
1522922993230,2cyclictest2179985-21kworker/u16:4+events_unbound12:19:384
1522922993230,2cyclictest2139818-21kworker/u16:3+events_unbound12:12:594
1522922993230,2cyclictest2091542-21kworker/u16:1+events_unbound11:57:544
1522922993230,2cyclictest2091542-21kworker/u16:1+events_unbound11:57:544
1522922993230,2cyclictest2091542-21kworker/u16:1+events_unbound11:24:354
1522922993230,2cyclictest1764648-21kworker/u16:2+events_unbound09:42:234
1522922993230,2cyclictest1764648-21kworker/u16:2+events_unbound09:29:234
1522922993230,2cyclictest1764648-21kworker/u16:2+events_unbound09:22:194
152249823222,7sleep60-21swapper/607:07:496
1522922993129,2cyclictest1764648-21kworker/u16:2+flush-8:009:34:034
1522922993129,2cyclictest1764648-21kworker/u16:2+events_unbound09:55:284
1522922993129,2cyclictest1764648-21kworker/u16:2+events_unbound09:55:284
1522935993025,4cyclictest2266259-21latency_hist12:34:447
1522935993025,4cyclictest1809641-21latency_hist09:29:457
1522935993024,5cyclictest1555845-21latency_hist07:24:457
1522922993028,2cyclictest2254335-21kworker/u16:5+events_unbound12:31:274
1522922993028,2cyclictest2007123-21kworker/u16:4+events_unbound11:08:594
1522935992924,4cyclictest2081285-21latency_hist11:19:447
1522935992924,4cyclictest2081285-21latency_hist11:19:447
152293599290,27cyclictest2229214-21latency_hist12:19:447
1522922992927,2cyclictest2116885-21kworker/u16:0+events_unbound12:04:194
1522922992927,2cyclictest2116885-21kworker/u16:0+events_unbound11:35:514
1522922992927,2cyclictest2068951-21kworker/u16:0+events_unbound11:16:504
1522922992927,2cyclictest2068951-21kworker/u16:0+events_unbound11:16:504
1522922992927,2cyclictest1702107-21kworker/u16:0+events_unbound09:16:314
1522922992826,2cyclictest1883737-21kworker/u16:1+events_unbound10:49:284
1522922992826,2cyclictest1883737-21kworker/u16:1+events_unbound10:43:444
1522922992826,2cyclictest1871356-21kworker/u16:0+events_unbound10:37:194
1522922992825,2cyclictest1575651-21kworker/u16:3+events_unbound08:14:554
1522935992722,4cyclictest1896067-21latency_hist10:04:447
1522922992725,2cyclictest2104194-21kworker/u16:3+events_unbound11:34:004
1522922992725,2cyclictest1653237-21kworker/u16:4+events_unbound08:20:554
19567752260,1chrt1956773-21ssh10:27:577
152293599269,16cyclictest2152058-21ssh11:45:077
1522922992624,2cyclictest2007123-21kworker/u16:4+events_unbound11:10:584
1522922992624,2cyclictest1883737-21kworker/u16:1+events_unbound10:54:004
1522922992624,2cyclictest1653237-21kworker/u16:4+events_unbound09:08:544
1522922992523,2cyclictest1883737-21kworker/u16:1+flush-8:010:20:384
1522922992523,2cyclictest1883737-21kworker/u16:1+events_unbound10:31:474
1522922992523,2cyclictest1653237-21kworker/u16:4+events_unbound08:32:564
1522922992523,2cyclictest1653237-21kworker/u16:4+events_unbound08:32:564
1522922992523,2cyclictest1624356-21kworker/u16:1+events_unbound08:47:554
1522922992422,2cyclictest2007123-21kworker/u16:4+events_unbound10:56:074
1522935992220,1cyclictest2192229-21ssh12:04:447
1522922992220,2cyclictest1832605-21kworker/u16:3+flush-8:009:37:584
1522922992220,2cyclictest1653237-21kworker/u16:4+flush-8:008:40:074
1522922992220,2cyclictest1653237-21kworker/u16:4+events_unbound08:25:364
1522922992220,2cyclictest1532523-21kworker/u16:2+flush-8:007:19:454
1522922992220,2cyclictest1483734-21kworker/u16:0+events_unbound07:51:544
1522922992119,2cyclictest1575651-21kworker/u16:3+events_unbound08:05:444
1522922992119,2cyclictest1483734-21kworker/u16:0+events_unbound07:46:554
1522922992119,2cyclictest1483734-21kworker/u16:0+events_unbound07:46:554
21679742200,1chrt2167964-21ssh11:54:447
21679742200,1chrt2167964-21ssh11:54:447
1522922992018,2cyclictest1653237-21kworker/u16:4+events_unbound08:55:544
1522922992018,2cyclictest1575651-21kworker/u16:3+events_unbound08:35:544
1522922992018,2cyclictest1493718-21kworker/u16:4+events_unbound07:10:554
152293599190,17cyclictest5701-21gnome-shell09:30:547
1522922991917,2cyclictest1532523-21kworker/u16:2+events_unbound08:10:084
152293599180,16cyclictest0-21swapper/711:25:087
152293599170,15cyclictest1277-21snmpd07:13:167
1522922991715,2cyclictest1532523-21kworker/u16:2+events_unbound07:34:074
1522922991714,2cyclictest1702107-21kworker/u16:0+flush-8:009:00:014
1522935991613,2cyclictest0-21swapper/709:44:457
1522935991611,4cyclictest648-21systemd-journal08:14:407
152293199160,1cyclictest0-21swapper/612:00:436
152293199160,15cyclictest1603564-21ntpq07:45:106
152293199160,15cyclictest1603564-21ntpq07:45:106
1522926991615,1cyclictest1832605-21kworker/u16:3+events_unbound10:02:465
1522922991614,2cyclictest1483734-21kworker/u16:0+flush-8:007:35:034
1522922991614,2cyclictest1483734-21kworker/u16:0+events_unbound07:27:554
1522935991510,4cyclictest648-21systemd-journal10:59:397
152293599150,2cyclictest2250683-21ssh12:25:097
152292699150,14cyclictest0-21swapper/509:54:475
152292699150,14cyclictest0-21swapper/509:54:475
1522922991513,2cyclictest1532523-21kworker/u16:2+events_unbound07:40:554
152293599147,6cyclictest1970120-21turbostat10:34:447
152293599146,7cyclictest5907-21gmain08:35:107
1522935991412,1cyclictest1945216-21ssh10:24:207
1522935991411,2cyclictest0-21swapper/707:24:457
152293599140,1cyclictest0-21swapper/709:00:097
152293599140,13cyclictest1784945-21turbostat09:19:447
1522926991413,1cyclictest0-21swapper/512:29:175
1522926991413,1cyclictest0-21swapper/511:53:015
1522926991413,1cyclictest0-21swapper/510:55:295
1522926991413,1cyclictest0-21swapper/508:49:595
152292699140,1cyclictest0-21swapper/511:30:385
152292699140,1cyclictest0-21swapper/509:28:085
1522922991412,2cyclictest1624356-21kworker/u16:1+events_unbound08:00:474
152293599139,3cyclictest1277-21snmpd09:09:487
152293599139,3cyclictest1277-21snmpd07:58:557
152293599138,4cyclictest1277-21snmpd08:32:117
152293599138,4cyclictest1277-21snmpd08:32:117
1522935991311,1cyclictest2010279-21ssh10:50:027
1522935991310,2cyclictest1277-21snmpd11:03:357
152293599130,1cyclictest0-21swapper/708:40:097
152293599130,12cyclictest1907624-21ssh10:08:187
152293599130,11cyclictest1277-21snmpd08:46:207
152293599130,11cyclictest1017-21in:imjournal11:07:107
1522931991312,1cyclictest0-21swapper/610:14:566
1522931991312,1cyclictest0-21swapper/607:55:066
1522931991311,1cyclictest0-21swapper/611:05:046
152293199130,1cyclictest0-21swapper/610:48:026
1522926991312,1cyclictest0-21swapper/512:08:565
1522926991312,1cyclictest0-21swapper/511:59:485
1522926991312,1cyclictest0-21swapper/511:35:035
1522926991312,1cyclictest0-21swapper/511:12:405
1522926991312,1cyclictest0-21swapper/511:00:415
1522926991312,1cyclictest0-21swapper/507:24:515
152292699130,13cyclictest0-21swapper/511:06:405
152292699130,13cyclictest0-21swapper/510:19:325
152292699130,0cyclictest0-21swapper/511:25:265
1522922991312,1cyclictest0-21swapper/407:24:454
152293599129,2cyclictest1277-21snmpd07:17:047
152293599129,2cyclictest0-21swapper/710:15:087
152293599128,3cyclictest1277-21snmpd10:35:537
152293599128,3cyclictest1277-21snmpd08:17:567
152293599127,4cyclictest1277-21snmpd08:00:377
152293599123,7cyclictest1277-21snmpd07:30:047
1522935991212,0cyclictest0-21swapper/711:31:497
1522935991211,0cyclictest0-21swapper/712:19:537
1522935991210,1cyclictest0-21swapper/712:04:447
152293599120,1cyclictest0-21swapper/709:05:097
152293599120,11cyclictest1880479-21ssh09:55:097
152293599120,11cyclictest1880479-21ssh09:55:097
152293599120,11cyclictest1277-21snmpd10:09:587
152293599120,10cyclictest1277-21snmpd11:19:487
152293199128,3cyclictest2020782-21cat10:55:006
1522931991211,1cyclictest0-21swapper/611:58:216
1522931991211,1cyclictest0-21swapper/611:58:216
1522931991211,1cyclictest0-21swapper/611:14:316
1522931991211,1cyclictest0-21swapper/610:40:576
1522931991211,1cyclictest0-21swapper/610:25:116
1522931991211,1cyclictest0-21swapper/608:10:526
1522931991211,1cyclictest0-21swapper/607:25:116
152293199120,1cyclictest0-21swapper/611:19:156
152293199120,1cyclictest0-21swapper/611:19:156
152293199120,1cyclictest0-21swapper/607:40:366
152293199120,12cyclictest0-21swapper/612:36:586
152293199120,12cyclictest0-21swapper/610:20:276
152293199120,12cyclictest0-21swapper/609:47:216
152293199120,12cyclictest0-21swapper/609:21:486
1522926991211,1cyclictest0-21swapper/512:15:435
1522926991211,1cyclictest0-21swapper/511:19:265
1522926991211,1cyclictest0-21swapper/511:19:265
1522926991211,1cyclictest0-21swapper/510:33:055
1522926991211,1cyclictest0-21swapper/510:13:325
1522926991211,1cyclictest0-21swapper/507:39:315
1522922991211,1cyclictest0-21swapper/408:53:504
152293599118,2cyclictest1277-21snmpd12:36:057
152293599118,2cyclictest1277-21snmpd09:37:007
152293599118,2cyclictest1277-21snmpd07:45:587
152293599118,2cyclictest1277-21snmpd07:45:587
152293599117,3cyclictest6275-21gmain09:51:027
152293599117,3cyclictest1277-21snmpd12:12:287
152293599117,3cyclictest1277-21snmpd11:09:457
152293599117,3cyclictest1277-21snmpd10:48:567
152293599117,2cyclictest919-21NetworkManager08:24:577
152293599116,4cyclictest1672701-21latency_hist08:24:447
152293599115,5cyclictest5853-21gnome-software08:06:587
152293599115,5cyclictest1739806-21uname08:55:087
152293599115,4cyclictest2164347-21rm11:50:087
152293599110,1cyclictest0-21swapper/708:50:097
152293199117,3cyclictest86-21ksoftirqd/609:50:076
152293199113,7cyclictest1899318-21kthreadcore10:05:016
152293199112,8cyclictest2111439-21cut11:30:046
1522931991110,1cyclictest0-21swapper/612:05:276
1522931991110,1cyclictest0-21swapper/611:37:516
1522931991110,1cyclictest0-21swapper/608:41:176
1522931991110,1cyclictest0-21swapper/608:17:016
1522931991110,1cyclictest0-21swapper/607:35:146
152293199110,9cyclictest1532974-21tune2fs07:14:466
152293199110,3cyclictest1668551-21kthreadcore08:20:036
152293199110,1cyclictest0-21swapper/609:05:256
152293199110,1cyclictest0-21swapper/608:37:026
152293199110,11cyclictest0-21swapper/609:12:496
152293199110,11cyclictest0-21swapper/608:48:146
152293199110,10cyclictest1723868-21kthreadcore08:50:026
152293199110,10cyclictest1626625-21cat08:00:026
1522926991110,1cyclictest0-21swapper/512:23:175
1522926991110,1cyclictest0-21swapper/509:09:325
1522926991110,1cyclictest0-21swapper/508:45:445
1522926991110,1cyclictest0-21swapper/507:54:495
152292699110,11cyclictest0-21swapper/509:01:205
152292699110,11cyclictest0-21swapper/507:24:045
152293599108,2cyclictest5704-21gmain11:42:307
152293599106,3cyclictest1277-21snmpd10:40:357
152293599106,3cyclictest1277-21snmpd07:53:107
152293599103,6cyclictest6387-21gmain09:40:027
152293599100,2cyclictest0-21swapper/711:34:587
152293199109,1cyclictest0-21swapper/608:57:136
152293199109,1cyclictest0-21swapper/607:34:276
152293199107,2cyclictest1523868-21perl07:10:006
152293199106,3cyclictest2156852-21sed11:50:016
152293199106,3cyclictest2152220-21ps11:45:106
152293199105,4cyclictest2257662-21cut12:30:036
152293199105,4cyclictest1799090-21grep09:25:016
152293199104,5cyclictest0-21swapper/610:35:036
152293199103,6cyclictest0-21swapper/612:10:036
152293199101,8cyclictest1776798-21kthreadcore09:15:036
152293199100,9cyclictest2234001-21kthreadcore12:20:036
152293199100,9cyclictest2133171-21kthreadcore11:40:026
152293199100,9cyclictest1880222-21latency09:55:076
152293199100,9cyclictest1880222-21latency09:55:076
152293199100,9cyclictest1829670-21kthreadcore09:35:046
152293199100,3cyclictest1684077-21kthreadcore08:30:036
152293199100,3cyclictest1684077-21kthreadcore08:30:036
152293199100,2cyclictest2083704-21grep11:20:006
152293199100,2cyclictest0-21swapper/607:20:006
152293199100,10cyclictest0-21swapper/608:26:386
152292699109,1cyclictest0-21swapper/512:34:295
152292699109,1cyclictest0-21swapper/510:39:055
152292699109,1cyclictest0-21swapper/510:07:335
152292699109,1cyclictest0-21swapper/509:44:045
152292699109,1cyclictest0-21swapper/508:28:425
152292699109,1cyclictest0-21swapper/508:05:135
152292699109,1cyclictest0-21swapper/507:44:535
152292699109,1cyclictest0-21swapper/507:44:535
152292699109,1cyclictest0-21swapper/507:40:185
152292699107,2cyclictest2214363-21unixbench_singl12:10:135
152292699105,4cyclictest1703052-21cat08:40:005
15229359994,4cyclictest1591060-21cut07:40:067
15229359990,8cyclictest1277-21snmpd07:35:017
15229319997,2cyclictest86-21ksoftirqd/610:49:586
15229319997,2cyclictest86-21ksoftirqd/609:30:006
15229319996,2cyclictest2035449-21kthreadcore11:00:036
15229319996,2cyclictest1909667-21perl10:09:576
15229319996,2cyclictest0-21swapper/609:00:136
15229319995,3cyclictest2245482-21cut12:25:026
15229319995,3cyclictest1884835-21tune2fs09:59:586
15229319994,5cyclictest0-21swapper/612:15:056
15229319990,8cyclictest1959062-21hddtemp_smartct10:29:596
15229319990,8cyclictest1834889-21cpuspeed_turbos09:39:576
15229319990,4cyclictest2095103-21sed11:25:006
15229269998,1cyclictest0-21swapper/511:44:405
15229269998,1cyclictest0-21swapper/508:37:135
15229269998,1cyclictest0-21swapper/507:52:085
15229269997,1cyclictest1683028-21cpuspeed_turbos08:29:575
15229269997,1cyclictest1683028-21cpuspeed_turbos08:29:575
15229269996,2cyclictest0-21swapper/508:15:005
15229269994,4cyclictest1942383-21awk10:20:105
15229269990,8cyclictest0-21swapper/510:50:125
15229319984,3cyclictest1635139-21cut08:05:016
15229319983,4cyclictest1608053-21grep07:50:016
15229269987,1cyclictest0-21swapper/512:39:415
15229269986,1cyclictest0-21swapper/510:40:055
15229269986,1cyclictest0-21swapper/507:29:595
15229269985,2cyclictest1664439-21irqcore08:20:005
15229269984,3cyclictest2083365-21kthreadcore11:20:005
15229269983,4cyclictest1826598-21kthreadcore09:35:025
15229269983,4cyclictest1813872-21cut09:30:045
15229269983,4cyclictest1777240-21grep09:15:035
15229269983,4cyclictest1644497-21cut08:09:595
15229269983,4cyclictest1624609-21grep07:59:575
15229269983,4cyclictest1525737-21cut07:10:035
15229269980,3cyclictest1538135-21kthreadcore07:15:015
15229269975,1cyclictest0-21swapper/511:45:025
15229269975,1cyclictest0-21swapper/510:24:595
15229269975,1cyclictest0-21swapper/509:45:025
15229269975,1cyclictest0-21swapper/508:54:585
15229269974,2cyclictest2170002-21kthreadcore11:55:015
15229269974,2cyclictest2170002-21kthreadcore11:55:015
15229269974,2cyclictest1860664-21kthreadcore09:50:015
15229269974,2cyclictest1760781-21cpu09:09:575
15229269973,3cyclictest1995291-21awk10:44:555
15229269973,3cyclictest1786665-21cut09:20:035
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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