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2026-09-19 - 09:16
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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 Sep 19, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2146887997738,37cyclictest2355757-21kworker/1:200:30:131
2146887997440,30cyclictest880596-1kworker/1:2H22:00:141
2146887997440,30cyclictest880596-1kworker/1:2H22:00:141
2146887997344,27cyclictest2237442-21kworker/1:122:10:151
2146887997241,29cyclictest2190402-21kworker/1:121:44:221
2146887997141,28cyclictest2331452-21kworker/1:323:55:141
2146887996943,25cyclictest2152505-21kworker/1:319:30:131
2146887996940,27cyclictest880596-1kworker/1:2H21:10:121
2146887996742,24cyclictest2324390-21kworker/1:223:50:141
2146887996740,25cyclictest2340859-21kworker/1:200:05:141
2146887996638,27cyclictest2306355-21kworker/1:000:00:161
2146887996637,27cyclictest2180516-21kworker/1:121:00:131
2146887996437,24cyclictest880596-1kworker/1:2H20:05:141
2146887996425,20cyclictest2319574-21kworker/1:123:45:141
2146890996245,14cyclictest1310283-1kworker/2:2H22:15:002
2146887996044,15cyclictest2271857-21kworker/1:022:50:131
2146887996036,14cyclictest2146697-21kworker/1:219:20:131
2146887996034,14cyclictest880596-1kworker/1:2H20:20:141
2146887995957,1cyclictest0-21swapper/122:17:061
2146887995943,15cyclictest2146697-21kworker/1:219:10:071
2146887995941,16cyclictest2285741-21kworker/1:123:15:131
2146887995940,17cyclictest2228209-21kworker/1:222:05:151
2146887995932,26cyclictest880596-1kworker/1:2H21:00:001
2146887995843,14cyclictest880596-1kworker/1:2H23:31:421
2146887995843,14cyclictest880596-1kworker/1:2H23:31:421
2146887995843,14cyclictest2314325-21kworker/1:223:40:001
2146887995843,14cyclictest2257748-21kworker/1:222:40:161
2146887995843,14cyclictest2218904-21kworker/1:221:51:171
2146887995843,14cyclictest2190402-21kworker/1:121:21:171
2146887995843,14cyclictest2170655-21kworker/1:220:46:141
2146887995843,14cyclictest2164221-21kworker/1:220:10:161
2146887995842,15cyclictest2159592-21kworker/1:119:53:121
2146887995840,17cyclictest2340859-21kworker/1:200:10:131
2146887995742,14cyclictest880596-1kworker/1:2H19:48:051
2146887995742,14cyclictest2285741-21kworker/1:123:13:221
2146887995742,14cyclictest2257748-21kworker/1:222:31:221
2146887995742,14cyclictest2190402-21kworker/1:121:30:241
2146887995741,15cyclictest2351053-21kworker/1:000:20:131
2146887995740,16cyclictest2182387-21kworker/1:321:15:131
2146887995740,16cyclictest2170655-21kworker/1:221:05:141
2146887995740,16cyclictest2170655-21kworker/1:220:30:121
2146887995641,14cyclictest2271857-21kworker/1:022:49:551
2146887995641,14cyclictest2257748-21kworker/1:222:36:231
2146887995640,15cyclictest2247251-21kworker/1:022:20:161
2146887995640,15cyclictest2204762-21kworker/1:021:35:231
2146887995637,18cyclictest2223602-21kworker/1:122:00:001
2146887995540,14cyclictest2306355-21kworker/1:023:35:161
2146887995540,14cyclictest2287317-21kworker/1:323:05:141
2146887995540,14cyclictest2281013-21kworker/1:223:00:131
2146887995540,14cyclictest2167302-21kworker/1:120:17:411
2146887995540,14cyclictest2164221-21kworker/1:220:01:001
2146887995540,14cyclictest2152505-21kworker/1:319:40:131
2146887995540,14cyclictest2152505-21kworker/1:319:25:161
2146887995539,15cyclictest2346397-21kworker/1:100:15:151
2146887995539,15cyclictest2167302-21kworker/1:120:25:071
2146887995537,17cyclictest2190402-21kworker/1:121:45:141
2146892995440,11cyclictest526925-1kworker/3:2H19:45:133
2146890995437,14cyclictest1310283-1kworker/2:2H21:00:122
2146887995439,14cyclictest2367311-21kworker/1:100:38:091
2146887995439,14cyclictest2170655-21kworker/1:220:50:221
2146887995439,14cyclictest2159592-21kworker/1:119:55:331
2146887995439,14cyclictest2146697-21kworker/1:219:15:011
2146887995438,15cyclictest2306355-21kworker/1:023:27:521
2146887995438,15cyclictest2190402-21kworker/1:121:25:061
2146887995437,16cyclictest2355757-21kworker/1:200:28:401
2146892995347,3cyclictest2286874-21kworker/3:100:05:003
2146887995338,14cyclictest2170655-21kworker/1:220:40:131
2146887995338,14cyclictest2152505-21kworker/1:319:35:501
2146887995337,15cyclictest2276383-21kworker/1:122:55:061
2146887995334,18cyclictest2247251-21kworker/1:022:25:141
2146883995349,3cyclictest3930334-1kworker/0:2H00:00:370
2146883995349,3cyclictest2161131-21kworker/0:019:55:120
2146883995349,2cyclictest2338414-21kworker/0:000:08:160
2146883995348,3cyclictest2191523-21kworker/0:222:10:140
2146890995245,4cyclictest1310283-1kworker/2:2H22:31:222
2146887995249,2cyclictest2285741-21kworker/1:123:22:061
2146887995236,15cyclictest2170655-21kworker/1:220:35:341
2146883995247,3cyclictest3930334-1kworker/0:2H21:40:310
2146892995147,2cyclictest2340155-21kworker/3:200:23:263
2146892995146,3cyclictest526925-1kworker/3:2H19:43:413
2146890995145,3cyclictest1310283-1kworker/2:2H23:40:142
2146883995148,2cyclictest2352272-21kworker/0:100:27:340
2146892995045,3cyclictest526925-1kworker/3:2H23:11:423
2146892995045,3cyclictest526925-1kworker/3:2H20:44:553
2146892995045,3cyclictest526925-1kworker/3:2H00:35:163
2146892995033,14cyclictest526925-1kworker/3:2H23:40:003
2146890995045,3cyclictest2303331-21kworker/2:023:25:502
2146883995045,3cyclictest3930334-1kworker/0:2H23:31:510
2146883995045,3cyclictest3930334-1kworker/0:2H23:31:510
2146892994944,3cyclictest526925-1kworker/3:2H20:15:123
2146892994935,13cyclictest526925-1kworker/3:2H23:04:553
2146892994933,14cyclictest526925-1kworker/3:2H23:19:553
2146883994945,3cyclictest3930334-1kworker/0:2H21:36:470
2146883994945,2cyclictest3930334-1kworker/0:2H19:24:410
2146883994945,2cyclictest2146699-21kworker/0:119:14:160
2146892994844,2cyclictest526925-1kworker/3:2H22:03:533
2146892994844,2cyclictest526925-1kworker/3:2H22:03:533
2146892994838,9cyclictest526925-1kworker/3:2H21:25:113
2146892994829,3cyclictest526925-1kworker/3:2H00:09:553
2146890994844,2cyclictest1310283-1kworker/2:2H00:34:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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