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2026-07-21 - 20:01
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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 Jul 21, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2147022997141,28cyclictest2192811-21kworker/1:109:20:171
214702299700,4cyclictest2149724-21fschecks_time07:15:151
2147022996940,28cyclictest2250712-21kworker/1:210:30:001
2147022996938,29cyclictest2192811-21kworker/1:109:25:151
214702299681,3cyclictest2323660-21kworker/1:011:45:011
2147022996634,30cyclictest2317524-21kworker/1:111:45:151
2147022996536,14cyclictest41282-1kworker/1:2H07:44:191
2147022996462,1cyclictest0-21swapper/109:49:251
2147022996433,15cyclictest2245263-21kworker/1:110:20:121
214702299641,2cyclictest0-21swapper/109:33:281
2147016996449,12cyclictest2207670-1kworker/0:1H12:05:130
2147022996338,23cyclictest41282-1kworker/1:2H09:00:011
2147022996233,27cyclictest41282-1kworker/1:2H09:09:591
214702299620,61cyclictest0-21swapper/108:50:231
2147022996136,15cyclictest2358637-21kworker/1:312:20:141
2147022996041,18cyclictest2240282-21kworker/1:310:10:201
2147022995943,15cyclictest2292831-21kworker/1:111:14:551
2147022995843,14cyclictest2202461-21kworker/1:209:38:251
2147022995831,19cyclictest2184847-21kworker/1:009:15:161
2147022995742,14cyclictest41282-1kworker/1:2H09:04:481
2147022995742,14cyclictest2283118-21kworker/1:211:00:371
2147022995742,14cyclictest2262631-21kworker/1:310:50:141
2147022995742,14cyclictest2175588-21kworker/1:208:45:331
2147022995741,15cyclictest2172499-21kworker/1:108:29:331
2147022995740,16cyclictest2317524-21kworker/1:111:35:141
2147022995740,16cyclictest2156706-21kworker/1:107:50:121
2147022995739,17cyclictest2167205-21kworker/1:008:25:001
2147022995739,16cyclictest2218131-21kworker/1:110:00:001
2147022995738,17cyclictest2346972-21kworker/1:012:15:141
2147022995735,15cyclictest2146729-21kworker/1:207:20:011
2147022995641,14cyclictest41282-1kworker/1:2H11:50:141
2147022995641,14cyclictest2368452-21kworker/1:212:30:181
2147022995641,14cyclictest2308223-21kworker/1:311:25:171
2147022995641,14cyclictest2250712-21kworker/1:210:30:141
2147022995641,14cyclictest2218131-21kworker/1:109:54:421
2147022995641,14cyclictest2153703-21kworker/1:107:30:001
2147022995639,16cyclictest2167205-21kworker/1:008:15:141
2147022995637,16cyclictest2331712-21kworker/1:212:05:141
2147022995631,16cyclictest2273435-21kworker/1:110:55:121
2147016995645,3cyclictest2207670-1kworker/0:1H12:00:140
2147029995549,3cyclictest1382011-1kworker/3:1H09:19:373
2147025995550,3cyclictest3592471-1kworker/2:0H07:12:232
2147022995540,14cyclictest41282-1kworker/1:2H12:27:541
2147022995540,14cyclictest2346972-21kworker/1:012:10:161
2147022995540,14cyclictest2174047-21kworker/1:008:38:551
2147022995540,14cyclictest2161719-21kworker/1:007:55:321
2147022995540,14cyclictest2146729-21kworker/1:207:14:121
2147022995539,15cyclictest2218131-21kworker/1:110:05:141
2147022995539,15cyclictest2165132-21kworker/1:208:10:141
214702299551,52cyclictest0-21swapper/111:55:261
214702299550,54cyclictest0-21swapper/110:41:491
2147029995449,3cyclictest1382011-1kworker/3:1H10:35:253
2147029995448,4cyclictest2167662-21kworker/3:208:17:073
2147029995448,4cyclictest1382011-1kworker/3:1H08:20:053
2147022995439,14cyclictest2302484-21kworker/1:211:24:551
2147022995439,14cyclictest2161719-21kworker/1:008:02:241
2147022995438,15cyclictest2287932-21kworker/1:011:05:011
2147022995437,16cyclictest2212144-21kworker/1:009:44:411
2147022995436,17cyclictest2154293-21kworker/1:307:35:141
2147016995450,2cyclictest2161433-21kworker/0:007:59:560
2147029995348,3cyclictest2145833-21kworker/3:107:32:243
2147025995349,2cyclictest2152154-21kworker/2:208:02:542
2147022995338,14cyclictest2184847-21kworker/1:009:10:151
2147022995338,14cyclictest2172499-21kworker/1:108:34:261
2147022995337,15cyclictest2292831-21kworker/1:111:15:061
2147022995337,15cyclictest2156706-21kworker/1:107:45:231
2147022995336,16cyclictest2228151-21kworker/1:010:00:181
2147022995336,16cyclictest2175588-21kworker/1:208:45:001
214702299530,52cyclictest0-21swapper/112:40:011
2147016995349,2cyclictest1969060-1kworker/0:2H08:26:230
2147025995247,3cyclictest3592471-1kworker/2:0H10:30:312
2147025995246,4cyclictest3592471-1kworker/2:0H12:31:232
2147022995237,14cyclictest2262631-21kworker/1:310:45:001
214702299520,51cyclictest0-21swapper/110:16:441
2147016995247,3cyclictest1969060-1kworker/0:2H07:27:490
2147025995147,2cyclictest2338397-21kworker/2:212:04:232
2147025995147,2cyclictest2178661-21kworker/2:108:55:542
2147025995146,3cyclictest3592471-1kworker/2:0H10:45:242
2147025995146,3cyclictest2247585-21kworker/2:210:21:492
2147025995146,3cyclictest2152154-21kworker/2:207:57:482
2147022995135,15cyclictest2152163-21kworker/1:007:27:551
2147025995045,3cyclictest2316954-21kworker/2:111:43:242
2147022995035,14cyclictest2165132-21kworker/1:208:05:241
214702299500,2cyclictest0-21swapper/110:35:201
2147016995045,4cyclictest2291829-21kworker/0:011:12:510
2147029994945,2cyclictest2145833-21kworker/3:107:51:553
2147025994946,2cyclictest2166072-21kworker/2:108:24:242
2147025994944,3cyclictest3592471-1kworker/2:0H07:20:112
2147025994943,3cyclictest3592471-1kworker/2:0H12:10:162
2147022994934,14cyclictest2308223-21kworker/1:311:30:151
2147022994933,15cyclictest2331712-21kworker/1:212:04:231
2147016994945,3cyclictest2207670-1kworker/0:1H11:52:230
2147016994945,3cyclictest1969060-1kworker/0:2H08:53:490
2147016994944,3cyclictest2207670-1kworker/0:1H12:20:270
2147016994943,4cyclictest1969060-1kworker/0:2H07:45:000
2147029994844,3cyclictest2312707-21kworker/3:211:39:553
2147029994843,3cyclictest2167662-21kworker/3:209:05:133
2147029994842,4cyclictest1382011-1kworker/3:1H12:15:473
2147029994842,4cyclictest1382011-1kworker/3:1H07:29:233
2147025994845,2cyclictest2237839-21kworker/2:210:09:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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