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2025-12-10 - 13:28
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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 Wed Dec 10, 2025 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
185751099671,1cyclictest0-21swapper/120:14:461
1857510996644,20cyclictest1954173-21kworker/1:100:10:001
1857510996644,20cyclictest1954173-21kworker/1:100:10:001
185751099660,2cyclictest0-21swapper/122:27:081
1857510996559,3cyclictest0-21swapper/100:00:161
1857510996461,2cyclictest0-21swapper/123:25:281
1857510996461,2cyclictest0-21swapper/120:07:161
1857510996436,27cyclictest1867948-1kworker/1:2H20:35:001
1857510996247,14cyclictest1936362-21kworker/1:123:15:151
1857510996242,18cyclictest1954173-21kworker/1:100:25:161
1857510996159,1cyclictest0-21swapper/122:23:451
1857510996143,16cyclictest1863287-21kworker/1:219:40:131
1857510996138,21cyclictest1879760-21kworker/1:020:40:151
1857510996057,2cyclictest0-21swapper/120:21:471
1857510996043,16cyclictest1879760-21kworker/1:020:55:191
1857510996041,18cyclictest1954173-21kworker/1:100:10:151
1857510996041,18cyclictest1954173-21kworker/1:100:10:151
1857510996041,17cyclictest1863287-21kworker/1:219:35:151
1857510996040,18cyclictest1799056-1kworker/1:0H19:15:001
1857510996038,20cyclictest1954173-21kworker/1:100:30:141
1857510996038,20cyclictest1867948-1kworker/1:2H21:50:001
1857510995944,14cyclictest1911189-21kworker/1:022:03:511
1857510995843,14cyclictest1954173-21kworker/1:100:15:141
1857510995843,14cyclictest1942568-21kworker/1:023:45:141
1857510995843,14cyclictest1900017-21kworker/1:221:42:101
1857510995843,14cyclictest1879760-21kworker/1:020:25:161
1857510995842,15cyclictest1942568-21kworker/1:023:50:161
1857510995841,16cyclictest1911189-21kworker/1:022:05:151
1857510995754,2cyclictest0-21swapper/120:04:451
1857510995753,2cyclictest0-21swapper/121:55:001
1857510995743,14cyclictest1924249-21kworker/1:222:50:011
1857510995743,14cyclictest1900017-21kworker/1:221:15:261
1857510995742,14cyclictest1942568-21kworker/1:023:35:151
1857510995742,14cyclictest1924249-21kworker/1:222:55:121
1857510995742,14cyclictest1900017-21kworker/1:221:35:161
1857510995742,14cyclictest1900017-21kworker/1:221:34:461
1857510995742,14cyclictest1879760-21kworker/1:020:45:161
1857510995742,14cyclictest1863287-21kworker/1:219:48:471
1857510995742,14cyclictest1855911-21kworker/1:119:20:421
1857510995742,14cyclictest1799056-1kworker/1:0H19:15:271
1857510995741,15cyclictest1924249-21kworker/1:222:35:171
1857510995740,16cyclictest1942568-21kworker/1:023:40:151
1857510995739,17cyclictest1924249-21kworker/1:223:00:151
1857510995739,16cyclictest1879760-21kworker/1:021:05:151
1857510995642,14cyclictest1873071-21kworker/1:019:55:141
1857510995641,14cyclictest1924249-21kworker/1:222:45:141
1857510995639,16cyclictest1954173-21kworker/1:100:35:151
1857510995639,16cyclictest1900017-21kworker/1:221:27:011
1857510995638,16cyclictest1863287-21kworker/1:219:25:151
1857514995551,2cyclictest1914387-21kworker/2:023:48:062
1857510995540,14cyclictest1936362-21kworker/1:123:20:481
1857510995539,15cyclictest1954173-21kworker/1:100:21:471
1857510995539,15cyclictest1942568-21kworker/1:023:30:151
1857510995539,15cyclictest1867948-1kworker/1:2H23:10:161
1857510995538,16cyclictest1879760-21kworker/1:020:15:191
1857510995536,17cyclictest1863287-21kworker/1:219:30:141
1857508995550,3cyclictest1901394-21kworker/0:021:32:010
1857508995549,4cyclictest1751615-1kworker/0:0H00:05:190
1857508995549,4cyclictest1751615-1kworker/0:0H00:05:180
1857514995451,2cyclictest1911134-21kworker/2:221:55:462
1857514995450,2cyclictest1914387-21kworker/2:023:09:462
1857514995449,3cyclictest1866262-21kworker/2:020:22:252
1857510995440,14cyclictest1911189-21kworker/1:022:15:011
1857510995440,14cyclictest1900017-21kworker/1:221:22:471
1857510995439,14cyclictest1879760-21kworker/1:020:35:011
1857510995438,15cyclictest1867948-1kworker/1:2H22:42:451
1857510995436,17cyclictest1936362-21kworker/1:123:05:151
1857510995436,16cyclictest1942568-21kworker/1:023:55:171
1857508995450,2cyclictest1897645-21kworker/0:121:12:160
1857515995348,3cyclictest1940880-21kworker/3:123:54:553
1857514995349,2cyclictest1914387-21kworker/2:022:41:122
1857514995347,4cyclictest99490-1kworker/2:2H19:10:162
1857510995337,15cyclictest1863287-21kworker/1:219:50:231
1857510995336,16cyclictest1924249-21kworker/1:222:30:171
1857510995336,16cyclictest1911189-21kworker/1:021:55:171
1857508995350,2cyclictest1894385-21kworker/0:221:03:510
1857515995245,4cyclictest614388-1kworker/3:2H20:30:143
1857515995232,12cyclictest614388-1kworker/3:2H19:55:143
1857514995249,2cyclictest1914387-21kworker/2:022:25:272
1857514995248,3cyclictest99490-1kworker/2:2H22:23:452
1857510995237,14cyclictest1879760-21kworker/1:021:10:261
1857508995248,3cyclictest1957441-21kworker/0:000:35:380
1857515995138,10cyclictest614388-1kworker/3:2H21:00:163
1857514995147,3cyclictest1889526-21kworker/2:220:55:252
1857514995147,3cyclictest1844295-21kworker/2:219:33:512
1857514995147,2cyclictest1914387-21kworker/2:023:52:332
1857514995146,3cyclictest99490-1kworker/2:2H21:15:152
1857510995136,14cyclictest1911189-21kworker/1:022:13:461
1857510995135,15cyclictest1879760-21kworker/1:021:01:161
1857508995147,2cyclictest1911137-21kworker/0:122:05:110
1857508995147,2cyclictest1897645-21kworker/0:121:23:470
1857508995147,2cyclictest1891139-21kworker/0:020:58:140
1857514995047,2cyclictest1889526-21kworker/2:221:07:452
1857514995047,2cyclictest1866262-21kworker/2:019:48:102
1857514995046,3cyclictest1866262-21kworker/2:020:06:132
1857514995046,2cyclictest99490-1kworker/2:2H20:45:272
1857514995046,2cyclictest1866262-21kworker/2:020:31:462
1857510995035,14cyclictest1879760-21kworker/1:020:50:171
1857508995047,2cyclictest1947618-21kworker/0:123:59:310
1857508995047,2cyclictest1926016-21kworker/0:123:00:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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