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2026-05-03 - 18:16
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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 rackeslot6.osadl.org (updated Sun May 03, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
205907099115107,6cyclictest2136157-21kworker/u8:1+events_unbound12:10:000
205907099110102,6cyclictest2112302-21latency_hist09:55:000
205907099108102,4cyclictest2114667-21kworker/u8:0+events_unbound10:20:000
20590709910696,7cyclictest2104348-21latency_hist09:30:000
2059070999993,4cyclictest2098944-21kworker/u8:1+flush-179:009:25:020
2059073999660,26cyclictest2074925-21latency_hist08:00:001
2059070999287,4cyclictest2136157-21kworker/u8:1+events_unbound12:00:000
2059070999182,6cyclictest2143425-21kworker/u8:2+flush-179:011:45:000
2059070998777,7cyclictest2079664-21kworker/u8:0+flush-179:008:30:150
2059073998471,9cyclictest2105920-21kworker/u8:3+flush-179:009:50:001
2059070998479,4cyclictest2065316-21kworker/u8:2+flush-179:007:35:240
2059070998477,5cyclictest2136157-21kworker/u8:1+flush-179:011:55:000
2059073998368,12cyclictest2091107-21apt-get08:50:001
2059070998377,4cyclictest2127188-21kworker/u8:3+events_unbound11:00:240
2059070998377,4cyclictest2127188-21kworker/u8:3+events_unbound11:00:230
2059070998377,4cyclictest2127188-21kworker/u8:3+events_unbound10:45:250
2059070998273,6cyclictest2136157-21kworker/u8:1+flush-179:011:10:140
2059070998175,4cyclictest2039482-21kworker/u8:2+events_unbound07:15:000
2059070998075,4cyclictest2096145-21apt-get09:05:020
2059070997969,8cyclictest2141752-21apt-get11:21:570
2059070997873,4cyclictest2104887-21kworker/u8:0+flush-179:009:30:240
2059070997661,11cyclictest2089541-21kworker/u8:3+flush-179:008:45:010
2059070997572,2cyclictest1-21systemd11:30:000
2059070997566,6cyclictest2127131-21kworker/u8:2+flush-179:010:50:150
2059070997466,5cyclictest2160946-21kworker/u8:1+flush-179:012:35:220
2059070997463,8cyclictest2139915-21latency_hist11:20:000
2059073997364,7cyclictest2154522-21kworker/u8:3+events_unbound12:05:001
2059073997363,7cyclictest2141721-21kworker/u8:3+events_unbound11:29:591
2059070997367,4cyclictest2114159-21latency_hist10:00:020
2059070997363,7cyclictest2044263-21kworker/u8:3+flush-179:007:15:210
2059070997266,4cyclictest2065316-21kworker/u8:2+events_unbound07:40:250
2059070997265,6cyclictest2083120-21kworker/u8:2+flush-179:009:15:000
2059070997167,3cyclictest2114667-21kworker/u8:0+flush-179:010:05:000
2059070997154,3cyclictest2143425-21kworker/u8:2+events_unbound11:40:010
2059070997056,11cyclictest1213033-21systemd-journal08:10:000
2059073996959,7cyclictest2096145-21apt-get09:04:591
2059070996963,4cyclictest2112285-21kworker/u8:1+events_unbound10:25:150
2059073996761,4cyclictest2127131-21kworker/u8:2+events_unbound10:45:001
2059073996756,8cyclictest2097978-21latency_hist09:10:001
2059073996755,10cyclictest2119449-21apt-get10:15:111
2059073996748,16cyclictest2044263-21kworker/u8:3+flush-179:007:15:251
2059070996758,6cyclictest2125538-21kworker/u8:0+flush-179:010:35:160
2059070996758,6cyclictest2125538-21kworker/u8:0+flush-179:010:35:160
2059074996663,2cyclictest0-21swapper/212:37:592
2059073996651,12cyclictest2136157-21kworker/u8:1+flush-179:011:55:231
2059070996662,3cyclictest2079664-21kworker/u8:0+flush-179:008:15:190
2059073996560,3cyclictest2079664-21kworker/u8:0+events_unbound08:25:211
2059070996559,5cyclictest2068521-21kworker/u8:1+events_unbound07:50:010
2059070996559,4cyclictest2154522-21kworker/u8:3+events_unbound12:25:000
2059070996558,4cyclictest2141721-21kworker/u8:3+flush-179:011:30:190
2059070996557,5cyclictest2058980-21kworker/u8:0+flush-179:007:25:210
2059073996458,4cyclictest2143649-21apt-get11:30:121
2059070996456,5cyclictest2083120-21kworker/u8:2+flush-179:008:35:190
2059070996456,5cyclictest2083120-21kworker/u8:2+flush-179:008:35:190
2059070996357,4cyclictest2079664-21kworker/u8:0+events_unbound08:25:180
2059070996357,4cyclictest2068521-21kworker/u8:1+events_unbound08:05:000
2059070996353,7cyclictest2112285-21kworker/u8:1+flush-179:010:10:190
2059073996252,7cyclictest2065316-21kworker/u8:2+flush-179:007:40:211
2059070996258,3cyclictest2156364-21kworker/u8:2+flush-179:012:35:010
2059070996254,5cyclictest2127188-21kworker/u8:3+events_unbound10:55:150
2059074996057,2cyclictest0-21swapper/209:47:592
2059073996055,4cyclictest2079664-21kworker/u8:0+flush-179:008:20:251
2059073996051,7cyclictest2106194-21apt-get09:35:121
2059070996054,4cyclictest2105920-21kworker/u8:3+flush-179:009:45:240
2059070995954,4cyclictest2154522-21kworker/u8:3+flush-179:012:25:250
2059070995954,4cyclictest2127188-21kworker/u8:3+flush-179:010:41:100
2059070995954,4cyclictest2117639-21kworker/u8:3+flush-179:010:20:130
2059073995849,7cyclictest2159561-21/usr/sbin/munin12:20:221
2059070995851,5cyclictest2083120-21kworker/u8:2+flush-179:009:20:010
2059073995749,6cyclictest1213033-21systemd-journal08:15:101
2059070995748,6cyclictest2071708-21kworker/u8:2+flush-179:007:55:210
2059077995654,1cyclictest0-21swapper/309:29:593
2059073995647,7cyclictest2083120-21kworker/u8:2+flush-179:009:45:001
2059073995546,7cyclictest2114667-21kworker/u8:0+flush-179:010:05:151
2059070995548,5cyclictest2153190-21kworker/u8:0+flush-179:012:00:200
2059070995548,5cyclictest2136157-21kworker/u8:1+flush-179:012:10:100
2059070995450,3cyclictest2114667-21kworker/u8:0+flush-179:010:05:220
2059070995449,4cyclictest2083120-21kworker/u8:2+events_unbound08:45:260
2059070995442,9cyclictest2091608-21apt-get08:50:110
2059073995345,6cyclictest1213033-21systemd-journal12:27:101
2059070995348,3cyclictest2143425-21kworker/u8:2+events_unbound11:45:150
4577091520,8ptp4l61490irq/134-eno1-TxRx-007:06:573
4577091520,8ptp4l61490irq/134-eno1-TxRx-007:06:573
2059073995247,4cyclictest2136157-21kworker/u8:1+flush-179:011:25:011
205907399521,49cyclictest1-21systemd08:40:021
205907399521,49cyclictest1-21systemd08:40:011
2059073995149,1cyclictest0-21swapper/110:28:591
2059073995143,6cyclictest2109797-21kworker/u8:0+events_unbound09:50:251
2059073995044,5cyclictest2068521-21kworker/u8:1+flush-179:008:10:011
2059073995043,5cyclictest2143425-21kworker/u8:2+flush-179:011:40:001
2059073995040,8cyclictest2121058-21apt-get10:20:111
2059073995040,8cyclictest1213033-21systemd-journal08:55:001
2059073995038,10cyclictest2150017-21apt-get11:50:121
2059070994945,3cyclictest2083120-21kworker/u8:2+events_unbound09:00:250
2059073994841,5cyclictest2112285-21kworker/u8:1+flush-179:010:00:221
2059073994841,5cyclictest2112285-21kworker/u8:1+flush-179:009:55:161
2059073994840,6cyclictest2124208-21/usr/sbin/munin10:30:231
2059070994843,4cyclictest2117639-21kworker/u8:3+flush-179:010:30:200
2059073994738,7cyclictest2068521-21kworker/u8:1+events_unbound08:15:011
2059073994738,6cyclictest2093176-21/usr/sbin/munin08:55:171
2059070994739,5cyclictest2159323-21latency_hist12:20:020
2059073994640,4cyclictest2136157-21kworker/u8:1+events_unbound11:10:001
2059073994639,5cyclictest1213033-21systemd-journal08:02:091
2059070994638,6cyclictest2076555-21kworker/u8:3+events_unbound08:10:190
2059073994537,6cyclictest2154522-21kworker/u8:3+flush-179:012:15:011
2059073994537,6cyclictest1213033-21systemd-journal12:20:011
2059073994536,6cyclictest2127188-21kworker/u8:3+flush-179:010:55:211
2059070994540,4cyclictest2105920-21kworker/u8:3+events_unbound09:35:250
2059073994439,3cyclictest501-21systemd-logind11:15:001
2059073994438,4cyclictest2068521-21kworker/u8:1+flush-179:007:50:221
2059070994438,4cyclictest2135543-21grep11:05:140
2059073994335,5cyclictest2098235-21apt-get09:10:111
2059073994334,7cyclictest2165687-21apt-get12:40:001
2059073994330,12cyclictest2044263-21kworker/u8:3+flush-179:007:10:271
2059070994334,7cyclictest2094545-21latency_hist09:00:010
2059077994239,2cyclictest0-21swapper/309:39:553
205907799420,41cyclictest0-21swapper/310:59:593
2059073994236,5cyclictest2083120-21kworker/u8:2+flush-179:009:20:011
205907799410,34cyclictest0-21swapper/307:27:593
2059074994138,2cyclictest0-21swapper/210:33:592
2059073994136,4cyclictest2127131-21kworker/u8:2+flush-179:010:45:161
2059073994135,4cyclictest2058980-21kworker/u8:0+flush-179:007:25:221
205907399413,33cyclictest2088176-21apt-get08:40:141
205907399411,3cyclictest2149767-21munin-run11:50:001
205907399411,3cyclictest0-21swapper/109:25:141
2059070994134,6cyclictest2079664-21kworker/u8:0+flush-179:008:20:200
205907799400,1cyclictest0-21swapper/308:27:583
2059073994032,6cyclictest2138262-21kworker/u8:0+flush-179:011:15:151
2059070994035,4cyclictest2068521-21kworker/u8:1+flush-179:007:50:240
205907499390,36cyclictest0-21swapper/211:57:582
2059073993936,2cyclictest2135132-21awk11:05:001
2059073993936,2cyclictest2135132-21awk11:05:001
2059073993934,4cyclictest2065316-21kworker/u8:2+flush-179:007:35:161
2059073993931,6cyclictest2156364-21kworker/u8:2+events_unbound12:30:151
2059073993929,8cyclictest2062400-21/usr/sbin/munin07:20:221
2059070993936,2cyclictest211irq_work/007:21:000
2059070993936,2cyclictest0-21swapper/007:34:590
205907799380,1cyclictest0-21swapper/308:44:593
2059070993833,4cyclictest2083120-21kworker/u8:2+events_unbound09:40:240
2059077993734,2cyclictest0-21swapper/312:33:593
2059073993733,3cyclictest2148205-21systemd-run11:45:011
2059073993733,3cyclictest2071729-21munin-run07:50:011
2059073993732,4cyclictest2127131-21kworker/u8:2+flush-179:010:50:161
2059073993732,3cyclictest2105968-21systemd-run09:35:011
205907399370,36cyclictest0-21swapper/110:14:551
2059077993634,1cyclictest0-21swapper/308:52:593
205907799360,35cyclictest0-21swapper/312:36:593
205907799360,35cyclictest0-21swapper/310:41:593
205907799360,35cyclictest0-21swapper/309:34:553
2059077993532,2cyclictest0-21swapper/310:48:593
205907799350,1cyclictest0-21swapper/310:22:593
2059074993432,1cyclictest0-21swapper/211:05:002
2059074993432,1cyclictest0-21swapper/211:05:002
2059074993432,1cyclictest0-21swapper/209:04:592
2059074993430,2cyclictest0-21swapper/208:39:002
2059074993430,2cyclictest0-21swapper/208:38:592
2059077993331,1cyclictest0-21swapper/311:56:593
2059077993331,1cyclictest0-21swapper/310:26:593
2059077993331,1cyclictest0-21swapper/307:56:593
2059074993330,2cyclictest0-21swapper/210:15:592
205907399333,3cyclictest281ktimers/109:20:121
2059073993329,2cyclictest2156165-21systemd-run12:10:011
2059077993230,1cyclictest0-21swapper/308:23:593
2059077993230,1cyclictest0-21swapper/307:11:593
2059077993226,5cyclictest2159321-21turbostat12:20:013
2059074993229,2cyclictest0-21swapper/212:25:592
2059074993229,2cyclictest0-21swapper/211:40:582
2059074993229,2cyclictest0-21swapper/210:10:592
2059077993129,1cyclictest0-21swapper/311:49:003
2059077993129,1cyclictest0-21swapper/308:47:003
2059074993128,2cyclictest0-21swapper/209:14:002
2059077993028,1cyclictest0-21swapper/312:04:593
2059077993028,1cyclictest0-21swapper/308:11:593
2059077993028,1cyclictest0-21swapper/307:30:583
2059074993027,2cyclictest0-21swapper/211:30:142
2059074993027,2cyclictest0-21swapper/209:40:132
2059074993027,2cyclictest0-21swapper/207:21:592
2059074993026,2cyclictest0-21swapper/212:20:122
205907499300,2cyclictest0-21swapper/209:20:122
205907499300,28cyclictest0-21swapper/210:40:142
205907499300,28cyclictest0-21swapper/209:55:022
205907499300,28cyclictest0-21swapper/209:05:142
205907499300,28cyclictest0-21swapper/207:35:112
2059073993018,10cyclictest0-21swapper/110:40:011
2059073993018,10cyclictest0-21swapper/110:40:011
4577091290,2ptp4l431rcuc/308:40:003
4577091290,2ptp4l431rcuc/308:40:003
2059077992926,2cyclictest0-21swapper/312:05:133
205907799290,28cyclictest0-21swapper/309:55:013
205907799290,28cyclictest0-21swapper/309:10:583
205907799290,28cyclictest0-21swapper/308:15:043
205907799290,27cyclictest0-21swapper/312:25:133
205907799290,27cyclictest0-21swapper/309:55:013
205907799290,27cyclictest0-21swapper/307:20:133
2059074992927,1cyclictest0-21swapper/210:54:592
2059074992927,1cyclictest0-21swapper/210:29:592
2059074992927,1cyclictest0-21swapper/208:59:592
2059074992926,2cyclictest0-21swapper/212:15:592
2059074992926,2cyclictest0-21swapper/211:35:592
2059074992926,2cyclictest0-21swapper/208:15:142
2059074992926,2cyclictest0-21swapper/208:01:592
2059074992926,2cyclictest0-21swapper/207:53:592
2059074992926,2cyclictest0-21swapper/207:30:152
205907499290,27cyclictest0-21swapper/211:20:112
205907499290,27cyclictest0-21swapper/209:50:122
205907499290,27cyclictest0-21swapper/208:15:012
2059073992924,3cyclictest0-21swapper/108:35:011
2059077992826,1cyclictest0-21swapper/311:42:593
2059077992826,1cyclictest0-21swapper/310:00:593
2059077992826,1cyclictest0-21swapper/309:09:583
205907799280,27cyclictest2131937-21turbostat10:55:003
205907799280,27cyclictest0-21swapper/311:15:123
205907799280,26cyclictest0-21swapper/309:00:133
2059074992826,1cyclictest0-21swapper/207:40:132
2059074992825,2cyclictest0-21swapper/212:30:122
2059074992825,2cyclictest0-21swapper/211:17:592
2059074992825,2cyclictest0-21swapper/210:05:142
2059074992825,2cyclictest0-21swapper/209:29:002
205907499280,2cyclictest0-21swapper/212:00:142
205907499280,2cyclictest0-21swapper/210:55:132
205907499280,27cyclictest0-21swapper/209:30:132
205907499280,26cyclictest0-21swapper/212:07:592
205907499280,26cyclictest0-21swapper/211:50:132
205907499280,26cyclictest0-21swapper/208:45:592
205907399280,27cyclictest0-21swapper/107:33:591
205907799270,26cyclictest0-21swapper/311:00:133
205907799270,26cyclictest0-21swapper/311:00:133
205907799270,26cyclictest0-21swapper/309:49:593
205907799270,1cyclictest0-21swapper/312:24:593
205907799270,1cyclictest0-21swapper/311:20:023
2059074992725,1cyclictest0-21swapper/207:46:592
2059074992724,2cyclictest0-21swapper/212:14:552
4577091260,3ptp4l441ktimers/311:35:013
2059077992624,1cyclictest0-21swapper/311:11:593
205907799260,25cyclictest0-21swapper/310:16:593
205907799260,1cyclictest0-21swapper/312:12:583
2059074992624,1cyclictest0-21swapper/210:50:002
2059074992623,2cyclictest0-21swapper/207:16:582
205907499260,24cyclictest0-21swapper/210:36:592
205907499260,24cyclictest0-21swapper/210:36:592
205907499260,24cyclictest0-21swapper/208:53:002
205907499260,24cyclictest0-21swapper/208:25:002
4577091250,3ptp4l441ktimers/308:10:003
4577091250,3ptp4l441ktimers/307:45:013
2059077992523,1cyclictest0-21swapper/311:26:593
2059077992523,1cyclictest0-21swapper/311:08:593
2059077992523,1cyclictest0-21swapper/310:06:593
2059077992523,1cyclictest0-21swapper/308:00:123
205907799250,24cyclictest0-21swapper/310:14:593
205907799250,1cyclictest0-21swapper/309:23:003
2059074992522,2cyclictest0-21swapper/210:01:592
2059074992522,2cyclictest0-21swapper/208:29:552
4577091240,3ptp4l61490irq/134-eno1-TxRx-007:55:003
4577091240,3ptp4l61490irq/134-eno1-TxRx-007:50:003
4577091240,3ptp4l61490irq/134-eno1-TxRx-007:39:563
4577091240,3ptp4l441ktimers/308:34:563
2059077992422,1cyclictest0-21swapper/311:34:003
2059077992422,1cyclictest0-21swapper/309:16:593
2059074992421,2cyclictest0-21swapper/210:20:122
2059074992421,2cyclictest0-21swapper/207:26:592
4577091230,3ptp4l61490irq/134-eno1-TxRx-011:54:553
4577091230,3ptp4l61490irq/134-eno1-TxRx-009:00:013
4577091230,3ptp4l61490irq/134-eno1-TxRx-007:20:013
4577091230,3ptp4l441ktimers/310:40:013
4577091230,3ptp4l441ktimers/310:40:013
4577091230,3ptp4l441ktimers/310:35:013
2059074992321,1cyclictest0-21swapper/209:16:592
2059074992320,2cyclictest0-21swapper/209:36:592
4577091220,2ptp4l441ktimers/309:45:003
231999220,13rtkit-daemon495-21gpm07:09:281
231999220,13rtkit-daemon495-21gpm07:09:271
2059074992220,1cyclictest0-21swapper/208:30:122
2059074992219,2cyclictest0-21swapper/211:25:592
2059074992219,2cyclictest0-21swapper/207:12:002
2059074992118,2cyclictest0-21swapper/207:57:582
2059074992017,2cyclictest0-21swapper/208:05:122
2059074991715,1cyclictest0-21swapper/211:05:132
2059074991714,2cyclictest0-21swapper/211:10:592
2059070991611,4cyclictest0-21swapper/007:10:020
2059070991611,4cyclictest0-21swapper/007:10:020
205907499119,1cyclictest0-21swapper/211:45:142
20590749985,2cyclictest0-21swapper/208:40:012
20590749930,2cyclictest0-21swapper/207:10:022
20590749930,2cyclictest0-21swapper/207:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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