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2026-06-27 - 23:09
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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 Sat Jun 27, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165462999127117,7cyclictest1762226-21latency_hist12:40:000
165462999127117,7cyclictest1712121-21latency_hist10:05:020
165463399123115,6cyclictest1697767-21kworker/u8:2+events_unbound09:45:011
165462999123113,7cyclictest1666250-21kworker/u8:3+flush-179:008:50:010
165463399114106,6cyclictest1686384-21kworker/u8:0+events_unbound08:50:271
165463399114103,8cyclictest1717111-21kworker/u8:1+events_unbound10:20:231
165462999114102,9cyclictest1720331-21latency_hist10:30:010
16546339911094,6cyclictest1733818-21kworker/u8:1+flush-179:011:15:201
16546339911094,6cyclictest1733818-21kworker/u8:1+flush-179:011:15:201
165463399110102,5cyclictest1717195-21kworker/u8:3+flush-179:011:35:241
16546339910991,7cyclictest1744764-21kworker/u8:1+events_unbound12:05:231
165463399109104,3cyclictest1717111-21kworker/u8:1+events_unbound10:35:241
16546339910697,6cyclictest1659341-21kworker/u8:1+events_unbound07:40:021
165463399105100,4cyclictest1654573-21kworker/u8:2+events_unbound07:25:241
165463399104100,3cyclictest1725608-21kworker/u8:0+flush-179:011:05:261
16546339910398,4cyclictest1713825-21kworker/u8:0+events_unbound10:15:251
16546339910395,6cyclictest1720316-21kworker/u8:2+events_unbound10:40:021
16546339910393,6cyclictest1692783-21kworker/u8:3+events_unbound09:45:221
16546339910295,4cyclictest1747934-21kworker/u8:3+events_unbound12:35:181
16546339910293,6cyclictest1666250-21kworker/u8:3+flush-179:008:25:021
16546339910195,4cyclictest1666250-21kworker/u8:3+flush-179:008:20:211
16546339910191,7cyclictest1694370-21apt-get09:10:001
16546339910094,4cyclictest1754312-21kworker/u8:1+flush-179:012:20:191
16546299910092,6cyclictest1752679-21latency_hist12:10:010
1654633999991,5cyclictest1717195-21kworker/u8:3+events_unbound10:25:171
1654633999888,7cyclictest1686403-21latency_hist08:45:011
1654633999690,5cyclictest1754247-21kworker/u8:0+events_unbound12:25:251
1654633999688,5cyclictest1702541-21kworker/u8:0+events_unbound09:35:251
1654633999684,4cyclictest1669674-21kworker/u8:1+events_unbound08:15:011
1654629999588,5cyclictest1677119-21kworker/u8:2+flush-179:008:55:000
1654633999485,6cyclictest1666250-21kworker/u8:3+events_unbound07:50:201
1654633999387,4cyclictest1733818-21kworker/u8:1+flush-179:011:30:191
1654629999384,6cyclictest1747899-21latency_hist11:55:010
1654633999186,4cyclictest1717195-21kworker/u8:3+events_unbound11:10:251
1654629999080,8cyclictest1699646-21apt-get09:25:120
1654633998986,2cyclictest0-21swapper/111:53:591
1654633998984,4cyclictest1692783-21kworker/u8:3+events_unbound09:25:261
1654633998983,4cyclictest1717195-21kworker/u8:3+flush-179:011:25:171
1654633998983,4cyclictest1697767-21kworker/u8:2+flush-179:010:05:211
1654633998980,6cyclictest1697767-21kworker/u8:2+events_unbound09:30:171
1654633998879,7cyclictest1686384-21kworker/u8:0+events_unbound08:45:151
1654633998858,26cyclictest1659302-21apt-get07:24:591
1654633998781,4cyclictest1659341-21kworker/u8:1+events_unbound07:30:241
1654629998675,7cyclictest1671306-21apt-get08:00:010
1654633998579,4cyclictest1686384-21kworker/u8:0+flush-179:009:00:201
1654633998578,4cyclictest1725608-21kworker/u8:0+events_unbound10:45:211
1654629998575,7cyclictest1678189-21latency_hist08:20:010
1654629998575,6cyclictest1213033-21systemd-journal10:15:000
1654629998477,5cyclictest1669674-21kworker/u8:1+flush-179:008:10:180
1654629998475,6cyclictest1-21systemd11:20:010
1654629998475,6cyclictest1-21systemd11:20:010
1654629998473,8cyclictest1710521-21latency_hist10:00:010
1654633998375,6cyclictest1692783-21kworker/u8:3+events_unbound09:50:211
1654633998277,3cyclictest1741516-21kworker/u8:0+events_unbound12:00:191
1654629998270,8cyclictest1659341-21kworker/u8:1+flush-179:007:45:000
1654633998176,4cyclictest1664920-21kworker/u8:0+flush-179:007:45:231
1654629998175,5cyclictest1697767-21kworker/u8:2+flush-179:010:05:230
1654629998172,6cyclictest1686384-21kworker/u8:0+flush-179:008:55:250
1654633998074,4cyclictest1741516-21kworker/u8:0+events_unbound11:40:191
1654629998070,8cyclictest1662982-21apt-get07:35:130
1654629998066,9cyclictest1702541-21kworker/u8:0+events_unbound09:35:230
1654633997974,3cyclictest1666250-21kworker/u8:3+events_unbound08:35:221
1654633997973,4cyclictest1669674-21kworker/u8:1+flush-179:008:10:211
1654633997972,5cyclictest1717195-21kworker/u8:3+events_unbound10:55:241
1654633997968,8cyclictest510-21rs:main1
1654633997872,4cyclictest1697767-21kworker/u8:2+events_unbound09:55:261
1654633997773,3cyclictest1744764-21kworker/u8:1+flush-179:011:45:261
1654633997773,3cyclictest1697767-21kworker/u8:2+flush-179:010:10:241
1654633997772,4cyclictest1754247-21kworker/u8:0+flush-179:012:15:241
1654633997765,9cyclictest1213033-21systemd-journal11:05:001
1654629997766,7cyclictest1717195-21kworker/u8:3+events_unbound11:00:000
1654629997670,4cyclictest1713825-21kworker/u8:0+flush-179:010:20:150
1654633997571,3cyclictest1692783-21kworker/u8:3+flush-179:010:00:161
1654633997570,4cyclictest1659341-21kworker/u8:1+flush-179:007:35:261
1654629997464,8cyclictest1666784-21apt-get07:45:100
1654629997464,7cyclictest1754262-21latency_hist12:15:010
1654633997367,4cyclictest1654472-21kworker/u8:1+events_unbound07:10:211
1654633997267,3cyclictest1669674-21kworker/u8:1+events_unbound08:05:231
1654629997258,9cyclictest1677119-21kworker/u8:2+flush-179:008:40:180
1654633997168,1cyclictest1733818-21kworker/u8:1+events_unbound11:20:181
1654633997166,4cyclictest1666250-21kworker/u8:3+flush-179:008:00:161
1654629997166,3cyclictest1677119-21kworker/u8:2+flush-179:008:30:160
1654629997160,8cyclictest1717111-21kworker/u8:1+flush-179:010:20:000
1654633997065,4cyclictest1747934-21kworker/u8:3+flush-179:012:30:271
1654633997065,4cyclictest1747934-21kworker/u8:3+flush-179:012:30:261
1654629997065,2cyclictest1666250-21kworker/u8:3+events_unbound07:50:240
1654629997063,5cyclictest1680290-21apt-get08:25:130
1654629997063,4cyclictest1662725-21latency_hist07:35:010
1654629997060,8cyclictest1657964-21apt-get07:20:120
1654633996964,4cyclictest1692783-21kworker/u8:3+flush-179:009:15:261
1654633996963,4cyclictest1686384-21kworker/u8:0+flush-179:008:55:201
1654629996964,3cyclictest1725608-21kworker/u8:0+events_unbound10:45:250
1654629996959,6cyclictest1717195-21kworker/u8:3+flush-179:011:40:260
1654633996863,4cyclictest1677119-21kworker/u8:2+flush-179:008:30:221
1654629996860,6cyclictest1683462-21apt-get08:35:130
1654629996756,8cyclictest1747934-21kworker/u8:3+flush-179:012:30:230
1654629996756,8cyclictest1747934-21kworker/u8:3+flush-179:012:30:230
1654629996661,2cyclictest1720316-21kworker/u8:2+events_unbound10:40:010
1654629996656,7cyclictest1717195-21kworker/u8:3+flush-179:011:15:010
1654629996557,5cyclictest1720338-21apt-get10:30:030
1654629996557,5cyclictest1677119-21kworker/u8:2+flush-179:009:05:170
1654629996556,7cyclictest1744984-21apt-get11:45:130
1654629996457,5cyclictest1749762-21apt-get12:00:120
1654639996360,2cyclictest0-21swapper/311:24:583
1654633996359,3cyclictest1720316-21kworker/u8:2+flush-179:010:30:271
1654633996359,3cyclictest1717195-21kworker/u8:3+flush-179:010:50:271
1654629996356,4cyclictest1692783-21kworker/u8:3+flush-179:009:10:250
1654633996254,6cyclictest1747934-21kworker/u8:3+flush-179:012:00:011
1654629996250,8cyclictest1666250-21kworker/u8:3+flush-179:008:10:010
1654633996048,9cyclictest1751084-21kworker/u8:2+flush-179:012:10:201
1654629996049,8cyclictest1679776-21latency_hist08:25:010
1654639995955,2cyclictest0-21swapper/311:51:593
1654633995954,4cyclictest1666250-21kworker/u8:3+flush-179:007:55:261
1654629995848,7cyclictest1654573-21kworker/u8:2+flush-179:007:30:000
1654629995746,8cyclictest1733818-21kworker/u8:1+flush-179:011:20:230
1654639995654,1cyclictest0-21swapper/311:30:003
1654633995652,3cyclictest1637694-21kworker/u8:3+events_unbound07:15:231
1654629995647,7cyclictest1692783-21kworker/u8:3+events_unbound09:20:260
1654629995543,9cyclictest1717195-21kworker/u8:3+flush-179:010:50:220
1654629995450,3cyclictest1692783-21kworker/u8:3+flush-179:009:50:260
1654629995431,20cyclictest1213033-21systemd-journal12:19:350
1654629995346,5cyclictest1702564-21latency_hist09:35:020
1654629995333,18cyclictest1657689-21idleruntime-cro07:20:000
1654636995249,2cyclictest0-21swapper/212:34:592
1654636995249,2cyclictest0-21swapper/212:34:582
1654629995244,6cyclictest1754312-21kworker/u8:1+flush-179:012:25:000
1654629995234,15cyclictest1741790-21apt-get11:35:110
1654629995219,2cyclictest0-21swapper/009:16:000
1654629995140,7cyclictest1686384-21kworker/u8:0+flush-179:009:00:260
4577091500,13ptp4l441ktimers/307:09:563
1654629995043,4cyclictest1744764-21kworker/u8:1+flush-179:011:55:260
1654629994842,4cyclictest1717195-21kworker/u8:3+flush-179:011:25:180
1654629994833,11cyclictest1213033-21systemd-journal11:33:340
1654639994744,2cyclictest0-21swapper/307:16:593
1654636994717,1cyclictest0-21swapper/209:15:592
1654629994741,4cyclictest1692783-21kworker/u8:3+events_unbound09:45:250
1654639994640,4cyclictest1718755-21turbostat10:29:553
1654629994542,2cyclictest1666250-21kworker/u8:3+flush-179:008:00:130
1654639994437,5cyclictest1744738-21turbostat11:45:003
165463699440,42cyclictest0-21swapper/207:34:002
165463699440,36cyclictest0-21swapper/210:40:002
1654629994438,4cyclictest1757475-21turbostat12:29:550
1654629994335,6cyclictest1733590-21grep11:10:000
165462999420,29cyclictest0-21swapper/011:00:130
1654636994139,1cyclictest0-21swapper/209:35:002
1654629994134,5cyclictest1654472-21kworker/u8:1+flush-179:007:10:160
165463999400,5cyclictest1736772-21turbostat11:20:013
165463999400,5cyclictest1736772-21turbostat11:20:013
165462999400,38cyclictest1725645-21perf10:45:000
1654636993936,2cyclictest0-21swapper/212:29:562
1654636993934,2cyclictest0-21swapper/210:02:592
165463699390,36cyclictest0-21swapper/207:14:552
1654639993833,4cyclictest1656107-21turbostat07:15:003
1654636993834,2cyclictest0-21swapper/207:24:552
165463699380,35cyclictest0-21swapper/210:09:592
165463699380,35cyclictest0-21swapper/208:56:582
165463699380,2cyclictest0-21swapper/209:45:592
1654636993734,2cyclictest0-21swapper/211:17:592
1654636993734,2cyclictest0-21swapper/211:17:592
1654636993734,2cyclictest0-21swapper/211:04:552
1654636993734,2cyclictest0-21swapper/210:55:012
1654636993734,2cyclictest0-21swapper/209:25:012
1654636993733,2cyclictest0-21swapper/211:41:592
1654636993730,5cyclictest0-21swapper/207:19:592
1654629993733,2cyclictest1692783-21kworker/u8:3+events_unbound09:40:140
4577091360,28ptp4l441ktimers/307:35:153
1654639993634,1cyclictest0-21swapper/310:32:593
165463999360,35cyclictest0-21swapper/308:09:593
165463999360,35cyclictest0-21swapper/307:56:593
1654636993632,2cyclictest0-21swapper/208:39:592
1654636993624,10cyclictest0-21swapper/210:15:002
165463699360,2cyclictest0-21swapper/209:28:582
165463699360,1cyclictest0-21swapper/212:25:012
165463699360,1cyclictest0-21swapper/209:40:012
1654639993533,1cyclictest0-21swapper/310:16:593
1654639993533,1cyclictest0-21swapper/310:04:593
1654639993533,1cyclictest0-21swapper/309:54:593
1654639993533,1cyclictest0-21swapper/309:19:003
1654636993533,1cyclictest0-21swapper/211:10:002
1654636993532,2cyclictest0-21swapper/211:28:582
165463699350,1cyclictest0-21swapper/212:00:002
4577091340,3ptp4l61490irq/134-eno1-TxRx-007:42:593
1654639993429,4cyclictest1686413-21turbostat08:45:013
1654639993331,1cyclictest0-21swapper/309:49:563
1654636993330,2cyclictest0-21swapper/211:36:592
1654636993326,6cyclictest0-21swapper/211:30:152
1654636993324,6cyclictest0-21swapper/212:19:542
1654636993324,1cyclictest0-21swapper/211:15:002
165463699330,31cyclictest0-21swapper/207:45:592
165463399331,3cyclictest908065-21snmpd09:20:141
1654639993230,1cyclictest0-21swapper/312:28:593
1654636993230,1cyclictest0-21swapper/210:44:592
1654636993229,2cyclictest0-21swapper/209:51:002
1654636993229,2cyclictest0-21swapper/208:00:592
165463699320,2cyclictest0-21swapper/207:55:142
1654639993129,1cyclictest0-21swapper/309:05:593
1654639993129,1cyclictest0-21swapper/308:38:593
1654639993129,1cyclictest0-21swapper/308:25:593
1654636993129,1cyclictest0-21swapper/211:00:002
1654636993128,2cyclictest0-21swapper/212:01:002
1654636993128,2cyclictest0-21swapper/208:29:592
165463699310,29cyclictest0-21swapper/207:40:032
165463699310,27cyclictest0-21swapper/212:35:142
165463699310,27cyclictest0-21swapper/207:25:022
165463699310,21cyclictest0-21swapper/208:20:122
1654639993028,1cyclictest0-21swapper/310:36:593
1654639993028,1cyclictest0-21swapper/309:57:593
1654639993028,1cyclictest0-21swapper/308:33:593
165463999300,1cyclictest0-21swapper/312:20:593
165463699300,27cyclictest0-21swapper/210:45:132
165463699300,21cyclictest0-21swapper/210:20:122
165463999290,27cyclictest0-21swapper/312:30:153
165463999290,27cyclictest0-21swapper/312:30:153
165463999290,27cyclictest0-21swapper/309:20:593
1654636992926,2cyclictest0-21swapper/212:08:592
1654636992926,2cyclictest0-21swapper/209:00:132
1654636992925,2cyclictest0-21swapper/208:44:552
1654636992919,2cyclictest0-21swapper/209:56:592
165463699290,2cyclictest0-21swapper/210:30:122
165463699290,2cyclictest0-21swapper/208:15:142
165463699290,27cyclictest0-21swapper/208:45:142
165463699290,27cyclictest0-21swapper/208:10:142
165463699290,26cyclictest0-21swapper/208:54:592
1654639992826,1cyclictest4577091ptp4l11:30:163
1654639992826,1cyclictest0-21swapper/312:35:133
1654639992826,1cyclictest0-21swapper/311:35:133
1654639992826,1cyclictest0-21swapper/310:55:133
1654639992826,1cyclictest0-21swapper/310:53:593
1654639992826,1cyclictest0-21swapper/309:34:003
1654639992826,1cyclictest0-21swapper/308:52:593
1654639992826,1cyclictest0-21swapper/308:10:143
1654639992826,1cyclictest0-21swapper/307:25:023
1654639992825,2cyclictest0-21swapper/308:15:133
165463999280,2cyclictest0-21swapper/312:05:143
165463999280,27cyclictest0-21swapper/311:00:133
165463999280,27cyclictest0-21swapper/310:20:123
165463999280,27cyclictest0-21swapper/307:45:123
165463999280,26cyclictest0-21swapper/312:10:133
165463999280,26cyclictest0-21swapper/310:10:023
165463999280,26cyclictest0-21swapper/309:10:033
165463999280,26cyclictest0-21swapper/308:00:023
165463999280,26cyclictest0-21swapper/307:20:143
4577091270,6ptp4l441ktimers/307:55:013
1654639992725,1cyclictest0-21swapper/307:30:123
165463999270,26cyclictest0-21swapper/311:55:593
165463999270,1cyclictest0-21swapper/311:05:593
165463699270,25cyclictest0-21swapper/208:08:592
165463699270,25cyclictest0-21swapper/207:53:592
4577091260,3ptp4l61490irq/134-eno1-TxRx-012:20:013
1654639992624,1cyclictest0-21swapper/311:49:593
1654639992624,1cyclictest0-21swapper/310:45:133
165463999260,25cyclictest0-21swapper/309:05:003
165463999260,24cyclictest0-21swapper/308:56:003
4577091250,3ptp4l441ktimers/308:25:013
1654639992523,1cyclictest0-21swapper/309:28:583
4577091240,3ptp4l441ktimers/310:45:003
4577091240,3ptp4l441ktimers/310:09:563
4577091240,3ptp4l441ktimers/309:39:553
231999240,12rtkit-daemon1653251-21cpu07:05:140
1654639992422,1cyclictest0-21swapper/311:11:593
1654639992422,1cyclictest0-21swapper/308:45:593
4577091230,3ptp4l441ktimers/309:44:553
4577091230,2ptp4l441ktimers/312:05:013
1654636992320,2cyclictest0-21swapper/212:12:592
1654636992320,2cyclictest0-21swapper/211:49:552
1654636992219,2cyclictest0-21swapper/210:28:002
1654636992219,2cyclictest0-21swapper/209:13:582
1654636992219,2cyclictest0-21swapper/209:10:002
1654636992118,2cyclictest0-21swapper/211:20:592
1654636992018,1cyclictest0-21swapper/207:39:582
231999170,8rtkit-daemon495-21gpm07:09:561
1654636991713,2cyclictest1747917-21turbostat11:55:002
165463699129,2cyclictest0-21swapper/210:19:552
16546369996,2cyclictest0-21swapper/209:40:122
16546369985,2cyclictest0-21swapper/208:30:162
16546369930,2cyclictest0-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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