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2026-03-23 - 18:56
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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 Mon Mar 23, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
47787299691,65cyclictest0-21swapper/108:15:211
477872996813,54cyclictest634-21sshd08:50:341
477872996359,2cyclictest0-21swapper/108:30:131
477872996346,16cyclictest600855-21kworker/1:110:55:141
477872996143,17cyclictest497539-21kworker/1:008:10:191
47787299610,60cyclictest0-21swapper/110:16:271
477872996042,17cyclictest552061-21kworker/1:209:55:131
477872995956,2cyclictest26350irq/16-i801_smb11:45:061
477872995943,15cyclictest648233-21kworker/1:212:05:261
477872995943,15cyclictest495370-21kworker/1:208:00:331
477872995942,16cyclictest505510-21kworker/1:008:35:151
477872995843,14cyclictest671054-21kworker/1:212:30:001
477872995843,14cyclictest580562-21kworker/1:210:30:211
477872995843,14cyclictest518912-21kworker/1:209:24:571
477872995843,14cyclictest486199-21kworker/1:107:40:011
477872995842,15cyclictest671054-21kworker/1:212:30:131
477872995842,15cyclictest547723-21kworker/1:109:50:431
477872995842,15cyclictest515025-21kworker/1:009:05:151
477872995842,15cyclictest509504-21kworker/1:309:00:381
477872995842,15cyclictest509504-21kworker/1:308:55:171
477872995842,15cyclictest499076-21kworker/1:108:25:141
477872995841,16cyclictest479274-21kworker/1:207:25:151
477872995839,17cyclictest558315-21kworker/1:010:20:141
477872995742,14cyclictest507052-21kworker/1:208:44:551
477872995742,14cyclictest479274-21kworker/1:207:20:131
477872995742,14cyclictest1028966-1kworker/1:0H11:54:261
477872995742,14cyclictest1028966-1kworker/1:0H11:54:261
477872995741,15cyclictest486199-21kworker/1:107:50:171
477872995737,18cyclictest648233-21kworker/1:211:55:121
477872995737,18cyclictest648233-21kworker/1:211:55:121
477872995736,19cyclictest621232-21kworker/1:111:20:141
477872995641,14cyclictest580562-21kworker/1:210:35:011
477872995641,14cyclictest567650-21kworker/1:210:14:551
477872995641,14cyclictest495370-21kworker/1:208:05:151
477872995641,14cyclictest486199-21kworker/1:107:55:281
477872995641,14cyclictest1028966-1kworker/1:0H08:45:171
477872995640,15cyclictest539111-21kworker/1:209:40:001
477872995639,16cyclictest518912-21kworker/1:209:25:051
47787299562,2cyclictest0-21swapper/111:45:001
477872995541,14cyclictest648233-21kworker/1:212:00:161
477872995540,14cyclictest662436-21kworker/1:012:15:141
477872995540,14cyclictest621232-21kworker/1:111:25:001
477872995540,14cyclictest499076-21kworker/1:108:20:051
477872995538,16cyclictest611316-21kworker/1:311:10:141
477872995538,16cyclictest586612-21kworker/1:010:45:121
477872995537,17cyclictest611316-21kworker/1:311:15:141
477872995537,17cyclictest605156-21kworker/1:011:00:131
477872995537,17cyclictest586612-21kworker/1:010:50:151
477872995537,17cyclictest554234-21kworker/1:310:00:141
477872995537,17cyclictest477699-21kworker/1:007:15:011
47787299550,1cyclictest0-21swapper/112:10:381
477876995449,3cyclictest3728265-1kworker/3:2H08:30:223
47787299544,48cyclictest582056-21munin-plugin-st10:30:011
477872995439,14cyclictest671054-21kworker/1:212:21:291
477872995439,14cyclictest621232-21kworker/1:111:33:271
477872995439,14cyclictest547723-21kworker/1:109:49:281
477872995439,14cyclictest547723-21kworker/1:109:49:281
477872995439,14cyclictest515025-21kworker/1:009:15:151
477872995438,15cyclictest671054-21kworker/1:212:36:261
477872995438,15cyclictest605156-21kworker/1:011:05:021
477872995437,16cyclictest477699-21kworker/1:007:10:131
477872995435,17cyclictest621232-21kworker/1:111:35:141
477876995347,3cyclictest3728265-1kworker/3:2H12:30:133
477873995346,4cyclictest1031017-1kworker/2:2H11:55:092
477873995346,4cyclictest1031017-1kworker/2:2H11:55:092
477872995338,14cyclictest486199-21kworker/1:107:39:581
477872995337,15cyclictest530078-21kworker/1:009:30:001
477872995337,15cyclictest1028966-1kworker/1:0H10:05:161
477872995336,16cyclictest586612-21kworker/1:010:40:141
477872995335,17cyclictest530078-21kworker/1:009:35:131
477876995248,2cyclictest3728265-1kworker/3:2H07:42:273
477876995243,7cyclictest3728265-1kworker/3:2H07:20:133
477872995236,15cyclictest1028966-1kworker/1:0H07:48:571
477871995247,3cyclictest2494205-1kworker/0:2H12:10:390
477871995247,3cyclictest2494205-1kworker/0:2H10:26:330
477876995146,3cyclictest3728265-1kworker/3:2H12:14:273
477876995146,3cyclictest3728265-1kworker/3:2H11:00:133
477873995147,2cyclictest569378-21kworker/2:110:26:392
477873995146,3cyclictest1031017-1kworker/2:2H11:16:172
47787299510,2cyclictest0-21swapper/109:15:001
47787299510,1cyclictest0-21swapper/107:31:351
477871995142,7cyclictest2494205-1kworker/0:2H10:20:160
477876995047,2cyclictest504016-21kworker/3:009:24:523
477876995047,2cyclictest504016-21kworker/3:008:59:523
477876995047,2cyclictest504016-21kworker/3:008:41:263
477876995046,2cyclictest504016-21kworker/3:010:33:513
477876995045,3cyclictest3728265-1kworker/3:2H11:49:553
477876995045,3cyclictest3728265-1kworker/3:2H08:13:263
477876995042,6cyclictest3728265-1kworker/3:2H09:30:213
477873995047,2cyclictest638085-21kworker/2:011:46:232
477873995047,2cyclictest484415-21kworker/2:107:39:272
477873995046,2cyclictest510392-21kworker/2:008:57:572
477873995046,2cyclictest484415-21kworker/2:108:30:062
477873995045,4cyclictest484415-21kworker/2:108:35:482
477873995045,3cyclictest484415-21kworker/2:107:53:272
477873995045,3cyclictest1031017-1kworker/2:2H10:00:002
477873995044,3cyclictest1031017-1kworker/2:2H10:10:462
477871995044,3cyclictest2494205-1kworker/0:2H07:45:140
477876994944,3cyclictest3728265-1kworker/3:2H10:45:123
477873994946,2cyclictest484415-21kworker/2:108:11:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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