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2026-08-18 - 16:30
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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 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23135997540,33cyclictest2012883-1kworker/1:0H11:20:161
23135997241,28cyclictest48462-21kworker/1:008:40:151
23135997142,28cyclictest177640-21kworker/1:211:25:151
23135996943,16cyclictest53729-21kworker/1:308:50:131
23135996841,15cyclictest81451-21kworker/1:109:40:071
23135996835,21cyclictest2012883-1kworker/1:0H07:40:011
23135996738,18cyclictest2012883-1kworker/1:0H07:30:011
2313599650,63cyclictest23638-21fschecks_time07:10:151
23135996461,2cyclictest0-21swapper/110:03:241
2313599640,62cyclictest0-21swapper/109:20:411
23135996361,1cyclictest0-21swapper/107:52:261
23135996260,1cyclictest0-21swapper/112:38:561
23135996142,18cyclictest131376-21kworker/1:210:35:151
23135996058,2cyclictest0-21swapper/109:51:561
23135996040,18cyclictest2012883-1kworker/1:0H08:49:591
23135996038,21cyclictest28759-21kworker/1:307:40:131
23135995942,16cyclictest2012883-1kworker/1:0H10:00:011
23135995855,2cyclictest0-21swapper/110:34:251
23135995854,2cyclictest157188-21fschecks_time10:55:151
23135995843,14cyclictest36105-21kworker/1:007:55:021
23135995843,14cyclictest239903-21kworker/1:012:26:491
23135995843,14cyclictest158330-21kworker/1:011:05:131
23135995841,16cyclictest59935-21kworker/1:209:10:101
23135995841,16cyclictest59935-21kworker/1:209:10:101
23135995841,16cyclictest158330-21kworker/1:011:00:151
23135995840,17cyclictest224506-21kworker/1:312:15:141
23135995837,20cyclictest202170-21kworker/1:211:45:131
23135995743,14cyclictest158330-21kworker/1:011:17:381
23135995742,14cyclictest48462-21kworker/1:008:30:151
23135995742,14cyclictest28759-21kworker/1:307:30:141
23135995742,14cyclictest2012883-1kworker/1:0H09:29:001
23135995742,14cyclictest197424-21kworker/1:011:40:141
23135995742,14cyclictest116562-21kworker/1:010:15:121
23135995740,16cyclictest234809-21kworker/1:212:30:151
23135995642,14cyclictest44423-21kworker/1:008:19:261
23135995642,14cyclictest42288-21kworker/1:208:25:161
23135995642,14cyclictest42288-21kworker/1:208:08:551
23135995641,14cyclictest57720-21kworker/1:109:00:131
23135995641,14cyclictest48462-21kworker/1:008:36:561
23135995641,14cyclictest37644-21kworker/1:108:04:261
23135995641,14cyclictest202170-21kworker/1:212:05:141
23135995641,14cyclictest2012883-1kworker/1:0H07:15:141
23135995640,15cyclictest53729-21kworker/1:308:55:181
23135995640,15cyclictest2012883-1kworker/1:0H10:05:151
23135995639,16cyclictest202170-21kworker/1:211:54:251
23135995550,3cyclictest42955-21fschecks_time08:10:131
23135995540,14cyclictest76709-21kworker/1:209:30:151
23135995540,14cyclictest2012883-1kworker/1:0H09:45:051
23135995540,14cyclictest187775-21kworker/1:011:30:151
23135995539,15cyclictest234809-21kworker/1:212:20:161
23135995538,16cyclictest2012883-1kworker/1:0H10:42:251
23135995538,16cyclictest2012883-1kworker/1:0H10:42:241
23135995537,16cyclictest2012883-1kworker/1:0H10:25:141
23135995537,16cyclictest152862-21kworker/1:210:50:191
23135995537,16cyclictest152862-21kworker/1:210:50:191
23135995536,18cyclictest57720-21kworker/1:109:05:161
23140995450,3cyclictest2957204-21kworker/3:210:58:553
23140995449,3cyclictest2957204-21kworker/3:209:24:363
23138995449,3cyclictest183385-21kworker/2:211:34:262
23135995439,14cyclictest66164-21kworker/1:309:17:011
23135995439,14cyclictest46010-21kworker/1:108:21:561
23135995439,14cyclictest33382-21kworker/1:207:45:141
23135995439,14cyclictest177640-21kworker/1:211:35:141
23135995439,14cyclictest141035-21kworker/1:010:45:151
23135995425,27cyclictest2012883-1kworker/1:0H07:25:001
23131995449,3cyclictest2318914-1kworker/0:1H10:58:500
23135995350,2cyclictest0-21swapper/112:01:241
23135995338,14cyclictest81451-21kworker/1:109:35:141
23140995248,2cyclictest2713781-1kworker/3:1H08:17:013
23140995247,3cyclictest2957204-21kworker/3:210:40:343
23140995247,3cyclictest2957204-21kworker/3:210:40:343
23140995246,4cyclictest2713781-1kworker/3:1H11:35:153
23135995237,14cyclictest167930-21kworker/1:211:10:001
23131995246,4cyclictest2318914-1kworker/0:1H11:17:310
23140995146,3cyclictest2957204-21kworker/3:208:31:233
23135995136,14cyclictest116562-21kworker/1:010:20:151
23135995135,15cyclictest202170-21kworker/1:211:55:151
23131995146,3cyclictest106515-21kworker/0:110:02:240
23140995047,2cyclictest2957204-21kworker/3:209:37:243
23140995045,3cyclictest2713781-1kworker/3:1H09:55:423
23140995045,3cyclictest2713781-1kworker/3:1H07:48:253
23140995045,3cyclictest220360-21kworker/3:012:08:503
23135995035,14cyclictest229370-21kworker/1:112:14:591
23131995044,4cyclictest2318914-1kworker/0:1H11:10:050
23131995044,4cyclictest2318914-1kworker/0:1H11:07:250
23131995043,4cyclictest2318914-1kworker/0:1H08:45:150
23140994946,2cyclictest2957204-21kworker/3:211:06:293
23140994946,2cyclictest2713781-1kworker/3:1H12:27:573
23140994945,3cyclictest2713781-1kworker/3:1H10:39:543
23140994944,3cyclictest2713781-1kworker/3:1H10:30:213
23140994944,3cyclictest2713781-1kworker/3:1H09:04:243
23140994943,4cyclictest2713781-1kworker/3:1H12:14:273
23135994934,14cyclictest110600-21kworker/1:110:13:241
23131994944,3cyclictest2318914-1kworker/0:1H10:36:260
23140994844,3cyclictest2713781-1kworker/3:1H12:00:173
23140994844,3cyclictest2713781-1kworker/3:1H08:40:333
23140994843,3cyclictest2957204-21kworker/3:208:59:333
23140994843,3cyclictest220360-21kworker/3:012:24:363
23138994844,3cyclictest3685223-1kworker/2:2H12:20:222
23138994844,3cyclictest133351-21kworker/2:110:40:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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