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2026-08-30 - 00:14
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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 100 highest latencies:
System rackeslot3.osadl.org (updated Sat Aug 29, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1808842996864,2cyclictest0-21swapper/112:35:291
1808842996735,30cyclictest1641795-1kworker/1:0H10:45:301
1808842996442,20cyclictest2015665-21kworker/1:112:20:131
180884299640,62cyclictest0-21swapper/108:45:151
1808842996144,16cyclictest1945629-21kworker/1:110:59:591
1808842996137,21cyclictest1641795-1kworker/1:0H09:05:011
1808842996131,28cyclictest1814067-21kworker/1:007:25:171
1808842996041,18cyclictest1980834-21kworker/1:111:40:001
1808842996040,19cyclictest1857647-21kworker/1:009:25:141
1808842996039,19cyclictest1641795-1kworker/1:0H12:30:171
1808842995949,8cyclictest0-21swapper/109:05:161
1808842995942,16cyclictest2004907-21kworker/1:012:15:321
1808842995941,16cyclictest1935881-21kworker/1:010:53:131
1808842995848,8cyclictest0-21swapper/107:19:541
1808842995842,15cyclictest1889180-21kworker/1:010:00:011
1808842995841,15cyclictest1824892-21kworker/1:008:00:151
1808842995839,17cyclictest1857647-21kworker/1:009:40:121
1808842995838,19cyclictest1641795-1kworker/1:0H11:30:381
1808842995838,19cyclictest1641795-1kworker/1:0H11:30:371
1808842995837,19cyclictest1976085-21kworker/1:011:35:151
1808842995837,19cyclictest1641795-1kworker/1:0H10:35:291
180884299580,56cyclictest0-21swapper/109:23:511
1808842995754,2cyclictest0-21swapper/107:14:381
1808842995751,4cyclictest0-21swapper/108:40:121
1808842995741,15cyclictest1830562-21kworker/1:008:15:131
1808842995739,16cyclictest1641795-1kworker/1:0H11:20:131
1808842995737,18cyclictest1641795-1kworker/1:0H11:00:181
180884299571,2cyclictest0-21swapper/108:08:371
180884299570,55cyclictest0-21swapper/110:42:291
1808842995641,14cyclictest2004907-21kworker/1:012:25:191
1808842995641,14cyclictest1966340-21kworker/1:211:25:371
1808842995641,14cyclictest1874427-21kworker/1:109:45:141
1808842995641,14cyclictest1833115-21kworker/1:108:25:171
1808842995640,15cyclictest1945629-21kworker/1:111:05:301
1808842995639,16cyclictest1840835-21kworker/1:108:55:141
1808842995638,17cyclictest2000058-21kworker/1:112:00:121
1808842995638,17cyclictest1916674-21kworker/1:010:30:121
1808842995637,18cyclictest1906181-21kworker/1:010:20:221
1808842995634,21cyclictest1893969-21kworker/1:210:05:151
180884299560,54cyclictest1829812-21http08:15:001
180884299560,53cyclictest954417-21systemd-journal09:50:251
180884299560,53cyclictest954417-21systemd-journal09:50:241
180884299560,53cyclictest0-21swapper/111:50:141
1808847995550,4cyclictest1613000-1kworker/3:2H11:10:463
1808847995546,7cyclictest1613000-1kworker/3:2H09:34:543
1808846995549,4cyclictest3267504-1kworker/2:1H07:35:362
1808842995540,14cyclictest1961418-21kworker/1:111:18:461
1808842995540,14cyclictest1901005-21kworker/1:310:16:121
1808842995540,14cyclictest1874427-21kworker/1:109:55:251
1808842995540,14cyclictest1857647-21kworker/1:009:31:131
1808842995540,14cyclictest1840835-21kworker/1:108:50:151
1808842995540,14cyclictest1641795-1kworker/1:0H10:10:131
1808842995538,16cyclictest1955154-21kworker/1:011:10:161
1808842995537,16cyclictest1911862-21kworker/1:110:25:161
1808842995535,19cyclictest1641795-1kworker/1:0H11:45:151
180884299551,2cyclictest0-21swapper/107:30:141
1808838995551,2cyclictest1868170-21kworker/0:109:53:180
1808838995551,2cyclictest1868170-21kworker/0:109:53:170
1808847995443,4cyclictest1613000-1kworker/3:2H09:05:163
1808846995448,4cyclictest3267504-1kworker/2:1H09:45:062
1808846995447,4cyclictest3267504-1kworker/2:1H08:17:062
1808842995439,14cyclictest1820273-21kworker/1:207:50:051
1808847995347,3cyclictest1613000-1kworker/3:2H07:25:153
1808846995348,3cyclictest1823349-21kworker/2:108:05:262
1808846995347,4cyclictest3267504-1kworker/2:1H10:45:132
1808842995338,14cyclictest1834657-21kworker/1:208:30:011
1808842995338,14cyclictest1834657-21kworker/1:208:30:001
180884299533,49cyclictest1852011-21kworker/1:309:18:071
180884299533,49cyclictest0-21swapper/112:08:481
1808842995334,17cyclictest1834657-21kworker/1:208:40:011
180884299530,51cyclictest0-21swapper/112:10:251
1808847995246,4cyclictest1613000-1kworker/3:2H10:00:003
1808846995248,2cyclictest1882691-21kworker/2:010:00:302
1808846995247,3cyclictest1917683-21kworker/2:210:43:122
1808846995245,4cyclictest3267504-1kworker/2:1H08:00:002
1808842995237,14cyclictest1811226-21kworker/1:207:20:261
1808842995236,15cyclictest1820273-21kworker/1:207:45:271
1808842995236,14cyclictest1985718-21kworker/1:211:55:011
180884299521,2cyclictest0-21swapper/107:38:131
1808838995249,2cyclictest1839299-21kworker/0:209:21:430
1808838995248,3cyclictest1583174-1kworker/0:0H09:28:130
1808838995248,2cyclictest1966948-21kworker/0:011:34:130
1808838995248,2cyclictest1966948-21kworker/0:011:34:120
1808838995247,3cyclictest1863631-21kworker/0:209:36:440
1808847995148,2cyclictest1613000-1kworker/3:2H10:01:433
1808847995146,3cyclictest3963806-21kworker/3:210:30:233
1808847995146,3cyclictest1613000-1kworker/3:2H11:43:133
1808846995146,3cyclictest3267504-1kworker/2:1H11:20:432
1808846995146,3cyclictest2031023-21kworker/2:112:37:432
1808846995146,3cyclictest1893310-21kworker/2:110:20:372
1808842995136,14cyclictest1820273-21kworker/1:207:55:011
1808842995135,15cyclictest1869495-21kworker/1:309:35:151
1808842995134,16cyclictest1815606-21kworker/1:107:40:151
1808838995148,2cyclictest1927522-21kworker/0:010:42:120
1808838995147,3cyclictest1583174-1kworker/0:0H10:59:590
1808838995147,2cyclictest2031390-21kworker/0:112:35:490
1808838995147,2cyclictest1826443-21kworker/0:208:17:340
1808838995146,3cyclictest1982624-21kworker/0:312:16:180
1808838995146,3cyclictest1847002-21kworker/0:009:07:480
1808847995046,2cyclictest3963806-21kworker/3:211:05:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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