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2026-08-18 - 09:33
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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 Tue Aug 18, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1845244996938,29cyclictest1897306-21kworker/1:321:35:151
184524499693,2cyclictest1879591-21kworker/1:121:15:151
184524499660,64cyclictest0-21swapper/123:01:541
1845244996241,19cyclictest1976686-21kworker/1:122:55:131
1845244996232,29cyclictest2008651-21kworker/1:023:30:151
1845244996158,2cyclictest0-21swapper/123:41:541
1845244996130,30cyclictest1912486-21kworker/1:022:05:141
184524499610,1cyclictest0-21swapper/123:39:531
1845244996039,19cyclictest1979464-21kworker/1:323:15:121
1845244995942,15cyclictest2012883-1kworker/1:0H00:00:121
1845244995938,14cyclictest2053306-21kworker/1:000:35:151
1845244995841,16cyclictest1863269-21kworker/1:320:22:231
1845244995839,18cyclictest2033561-21kworker/1:000:00:021
1845244995753,2cyclictest0-21swapper/122:45:111
1845244995742,14cyclictest1897306-21kworker/1:321:30:111
1845244995742,14cyclictest1879591-21kworker/1:121:00:171
1845244995742,14cyclictest1863269-21kworker/1:320:11:481
1845244995740,16cyclictest2053306-21kworker/1:000:25:161
1845244995738,17cyclictest1952405-21kworker/1:022:35:151
1845244995737,19cyclictest3951836-1kworker/1:2H19:55:001
1845244995737,18cyclictest1971881-21kworker/1:022:50:151
1845244995736,19cyclictest2012883-1kworker/1:0H00:15:011
184524499570,56cyclictest2042789-21fschecks_count00:05:171
1845244995641,14cyclictest2023196-21kworker/1:223:45:141
1845244995641,14cyclictest1934890-21kworker/1:222:25:161
1845244995641,14cyclictest1863269-21kworker/1:320:30:141
1845244995641,14cyclictest1863269-21kworker/1:320:25:161
1845244995640,15cyclictest2012883-1kworker/1:0H00:17:361
1845244995640,15cyclictest1979464-21kworker/1:323:10:001
1845244995640,15cyclictest1907731-21kworker/1:121:45:151
1845244995640,15cyclictest1879591-21kworker/1:121:10:001
1845244995639,16cyclictest1879591-21kworker/1:121:05:171
1845244995638,17cyclictest1871874-21kworker/1:020:55:171
1845244995637,17cyclictest1850860-21kworker/1:319:30:141
1845244995636,19cyclictest1871874-21kworker/1:020:35:131
1845244995540,14cyclictest3951836-1kworker/1:2H21:51:561
1845244995540,14cyclictest3951836-1kworker/1:2H19:35:131
1845244995540,14cyclictest2003893-21kworker/1:123:25:461
1845244995540,14cyclictest1930010-21kworker/1:122:04:231
1845244995540,14cyclictest1912486-21kworker/1:022:10:071
1845244995540,14cyclictest1912486-21kworker/1:022:10:061
1845244995539,15cyclictest3951836-1kworker/1:2H19:20:161
1845244995539,15cyclictest1939769-21kworker/1:122:15:001
1845244995539,15cyclictest1852886-21kworker/1:119:44:581
1845244995538,16cyclictest1871874-21kworker/1:020:45:171
1845244995538,16cyclictest1871874-21kworker/1:020:45:161
1845244995439,14cyclictest3951836-1kworker/1:2H20:15:221
1845244995439,14cyclictest1979464-21kworker/1:323:20:001
1845244995439,14cyclictest1852886-21kworker/1:119:57:541
1845244995439,14cyclictest1850860-21kworker/1:319:25:171
1845244995439,14cyclictest1846650-21kworker/1:119:16:491
1845244995438,15cyclictest1962424-21kworker/1:222:42:481
1845244995437,16cyclictest2062961-21kworker/1:200:30:141
1845244995435,18cyclictest1871874-21kworker/1:020:50:151
1845242995450,3cyclictest1882703-21kworker/0:222:00:220
1845244995338,14cyclictest2053306-21kworker/1:000:21:251
1845244995336,16cyclictest1979464-21kworker/1:323:05:131
1845244995333,18cyclictest1890907-21kworker/1:021:20:141
184524499530,2cyclictest0-21swapper/119:10:221
1845244995237,14cyclictest1924724-21kworker/1:321:55:231
1845244995237,14cyclictest1861061-21kworker/1:020:00:381
1845244995237,14cyclictest1852886-21kworker/1:119:45:291
1845244995236,15cyclictest1897306-21kworker/1:321:25:191
1845244995235,16cyclictest1943077-21kworker/1:322:20:151
1845244995235,15cyclictest3951836-1kworker/1:2H20:05:131
1845242995247,3cyclictest2318914-1kworker/0:1H23:37:220
1845242995247,3cyclictest2318914-1kworker/0:1H23:30:150
1845242995247,3cyclictest2318914-1kworker/0:1H22:05:330
1845242995247,3cyclictest1987544-21kworker/0:323:50:050
1845242995247,3cyclictest1945211-21kworker/0:122:21:530
1845247995148,2cyclictest2010234-21kworker/3:100:12:243
1845247995147,2cyclictest1811498-21kworker/3:119:39:553
1845244995136,14cyclictest1871874-21kworker/1:020:40:201
1845244995135,15cyclictest1952405-21kworker/1:022:32:051
1845244995134,16cyclictest1907731-21kworker/1:121:40:171
1845242995148,2cyclictest2318914-1kworker/0:1H23:06:080
1845242995148,2cyclictest1839266-21kworker/0:019:16:480
1845247995047,2cyclictest1919310-21kworker/3:022:13:233
1845247995047,2cyclictest1919310-21kworker/3:022:13:223
1845247995045,4cyclictest2713781-1kworker/3:1H00:03:243
1845245995046,3cyclictest2046453-21kworker/2:200:19:252
1845244995034,15cyclictest2029060-21kworker/1:323:50:151
1845242995046,3cyclictest2318914-1kworker/0:1H20:29:490
1845242995045,3cyclictest2318914-1kworker/0:1H20:35:250
1845247994946,2cyclictest2010234-21kworker/3:100:34:553
1845245994945,2cyclictest3685223-1kworker/2:2H20:02:232
1845245994943,3cyclictest3685223-1kworker/2:2H20:55:152
1845242994946,2cyclictest1882703-21kworker/0:221:32:240
1845242994945,3cyclictest2318914-1kworker/0:1H23:12:340
1845242994944,4cyclictest2318914-1kworker/0:1H22:57:220
1845242994944,3cyclictest1839266-21kworker/0:019:20:270
1845242994943,4cyclictest2318914-1kworker/0:1H21:46:220
1845247994844,3cyclictest2713781-1kworker/3:1H23:24:543
1845247994842,4cyclictest2069263-21kworker/3:000:39:593
1845245994845,2cyclictest1870345-21kworker/2:021:35:322
1845245994844,3cyclictest1870345-21kworker/2:021:52:282
1845245994843,3cyclictest3685223-1kworker/2:2H22:21:232
1845242994843,3cyclictest1867247-21kworker/0:220:20:310
1845242994841,4cyclictest2318914-1kworker/0:1H22:28:230
1845247994744,2cyclictest1919310-21kworker/3:022:15:393
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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