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2026-03-13 - 01:18
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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
Characteristics of the 100 highest latencies:
System rackdslot1.osadl.org (updated Thu Mar 12, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
129421530,5sleep11194899cyclictest10:15:011
3892770,5sleep10-21swapper/107:55:121
134491660,27ptp4l0-21swapper/007:30:260
325202650,4sleep10-21swapper/107:55:001
134491630,4ptp4l24532-21cat08:45:211
134491620,5ptp4l0-21swapper/108:16:581
134491610,5ptp4l0-21swapper/107:07:411
134491610,3ptp4l24587-21apt-get12:15:101
134491590,4ptp4l0-21swapper/207:15:162
134491590,3ptp4l0-21swapper/111:41:211
134491590,3ptp4l0-21swapper/111:41:211
134491570,3ptp4l0-21swapper/209:10:002
134491570,3ptp4l0-21swapper/109:00:201
134491570,3ptp4l0-21swapper/107:41:211
134491560,4ptp4l0-21swapper/110:10:191
134491560,4ptp4l0-21swapper/110:05:021
134491560,3ptp4l0-21swapper/309:13:273
134491560,3ptp4l0-21swapper/110:49:081
134491560,3ptp4l0-21swapper/108:55:291
134491560,3ptp4l0-21swapper/108:05:491
134491560,3ptp4l0-21swapper/011:25:220
134491560,3ptp4l0-21swapper/010:39:490
134491560,3ptp4l0-21swapper/008:50:210
134491550,4ptp4l0-21swapper/111:07:571
134491550,4ptp4l0-21swapper/110:35:591
134491550,4ptp4l0-21swapper/110:00:131
134491550,3ptp4l0-21swapper/111:35:401
134491550,3ptp4l0-21swapper/007:50:220
134491540,3ptp4l0-21swapper/007:46:470
134491530,3ptp4l0-21swapper/107:25:181
134491520,4ptp4l0-21swapper/112:02:381
134491520,3ptp4l0-21swapper/110:53:351
134491520,10ptp4l9824-21df07:05:122
134491510,9ptp4l9615-21apt-get07:05:113
134491510,4ptp4l0-21swapper/211:33:072
134491510,3ptp4l0-21swapper/109:40:351
134491510,3ptp4l0-21swapper/109:40:351
134491500,4ptp4l0-21swapper/312:06:193
134491500,4ptp4l0-21swapper/111:47:051
134491500,4ptp4l0-21swapper/111:31:551
134491500,4ptp4l0-21swapper/111:21:491
134491500,4ptp4l0-21swapper/110:40:091
134491500,4ptp4l0-21swapper/109:51:191
134491500,3ptp4l0-21swapper/109:24:281
134491490,4ptp4l0-21swapper/112:33:501
134491490,4ptp4l0-21swapper/111:52:131
134491490,4ptp4l0-21swapper/109:29:581
134491490,4ptp4l0-21swapper/108:51:401
134491490,4ptp4l0-21swapper/011:06:280
134491490,4ptp4l0-21swapper/008:24:470
134491480,4ptp4l0-21swapper/312:36:243
134491480,4ptp4l0-21swapper/309:50:533
134491480,4ptp4l0-21swapper/108:41:181
134491480,4ptp4l0-21swapper/108:35:081
134491480,4ptp4l0-21swapper/012:22:430
134491480,4ptp4l0-21swapper/010:16:390
134491480,4ptp4l0-21swapper/009:57:250
134491480,3ptp4l0-21swapper/112:05:141
134491480,3ptp4l0-21swapper/109:48:371
134491480,10ptp4l0-21swapper/010:33:030
11950994841,4cyclictest11357-21sed11:45:173
134491470,6ptp4l1850-21ls07:55:260
134491470,6ptp4l0-21swapper/007:07:000
134491470,4ptp4l0-21swapper/207:33:002
134491470,4ptp4l0-21swapper/112:28:511
134491470,4ptp4l0-21swapper/112:12:301
134491470,4ptp4l0-21swapper/108:27:161
134491470,4ptp4l0-21swapper/108:27:161
134491470,4ptp4l0-21swapper/010:52:270
134491470,3ptp4l0-21swapper/109:32:471
134491470,3ptp4l0-21swapper/011:58:440
134491470,3ptp4l0-21swapper/008:42:360
134491460,4ptp4l0-21swapper/307:34:253
134491460,4ptp4l0-21swapper/209:05:352
134491460,4ptp4l0-21swapper/207:59:322
134491460,4ptp4l0-21swapper/207:21:272
134491460,4ptp4l0-21swapper/207:21:272
134491460,4ptp4l0-21swapper/009:47:020
134491460,3ptp4l0-21swapper/109:35:121
134491460,3ptp4l0-21swapper/108:32:321
134491460,3ptp4l0-21swapper/012:37:360
134491460,3ptp4l0-21swapper/007:10:060
134491460,12ptp4l0-21swapper/208:45:162
134491450,4ptp4l0-21swapper/112:38:591
134491450,10ptp4l0-21swapper/207:43:362
134491440,9ptp4l0-21swapper/208:57:502
134491440,9ptp4l0-21swapper/207:29:262
134491440,4ptp4l0-21swapper/208:01:342
134491440,4ptp4l0-21swapper/108:20:501
134491440,3ptp4l0-21swapper/211:40:532
134491440,3ptp4l0-21swapper/211:40:532
134491440,3ptp4l0-21swapper/210:15:202
134491440,3ptp4l0-21swapper/111:28:141
134491430,5ptp4l3810-21sed12:40:002
134491430,4ptp4l6167-21apt-get11:35:113
134491430,3ptp4l0-21swapper/310:28:023
134491430,3ptp4l0-21swapper/210:02:292
134491430,3ptp4l0-21swapper/209:48:282
134491430,3ptp4l0-21swapper/111:03:531
134491420,9ptp4l0-21swapper/211:16:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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