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2025-12-07 - 17:17
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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 rackcslot2.osadl.org (updated Sun Dec 07, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
65627635,36sleep00-21swapper/007:04:440
51426956,9sleep10-21swapper/107:03:301
206212640,0sleep020618-21seq07:56:510
1065993410,3cyclictest0-21swapper/011:15:300
1066993211,16cyclictest12918-21kworker/1:110:25:231
1066992910,7cyclictest0-21swapper/110:36:441
106599290,13cyclictest0-21swapper/009:36:580
1066992810,5cyclictest0-21swapper/110:13:191
1066992710,3cyclictest0-21swapper/107:56:561
1066992710,2cyclictest0-21swapper/109:31:061
1065992718,8cyclictest4472-21ssh11:41:330
106599270,1cyclictest0-21swapper/011:04:090
1066992622,1cyclictest0-21swapper/111:11:231
1066992620,4cyclictest10889-21apache207:36:541
1065992610,4cyclictest0-21swapper/011:55:510
1065992610,1cyclictest0-21swapper/009:07:460
1065992610,0cyclictest0-21swapper/012:16:550
106599260,1cyclictest0-21swapper/011:45:310
106699255,11cyclictest0-21swapper/109:06:541
1066992520,4cyclictest5396-21ssh10:16:561
1065992521,3cyclictest10889-21apache209:59:090
1065992516,6cyclictest97850irq/107-eth1-rx12:26:530
1065992510,11cyclictest0-21swapper/010:11:510
1066992414,4cyclictest23267-21sensors_temp11:22:001
1066992413,4cyclictest31980-21sh10:09:381
106699241,2cyclictest0-21swapper/111:34:411
1066992410,9cyclictest0-21swapper/112:03:121
1066992410,7cyclictest0-21swapper/111:41:531
1066992410,2cyclictest0-21swapper/110:00:161
106699240,1cyclictest18384-21cat11:16:401
1065992410,9cyclictest0-21swapper/009:47:030
1065992410,1cyclictest0-21swapper/010:18:010
106599240,23cyclictest0-21swapper/012:32:490
106699232,14cyclictest18548-21ssh11:16:511
1066992321,1cyclictest0-21swapper/112:01:321
1066992311,4cyclictest0-21swapper/112:09:381
1066992310,2cyclictest0-21swapper/110:54:381
1066992310,1cyclictest0-21swapper/109:53:111
106699230,14cyclictest0-21swapper/109:11:571
1065992319,2cyclictest0-21swapper/010:34:400
1065992316,4cyclictest81ktimersoftd/011:26:440
1065992310,4cyclictest0-21swapper/010:28:430
106599230,6cyclictest0-21swapper/009:51:550
106599230,3cyclictest0-21swapper/009:45:120
106699226,10cyclictest0-21swapper/108:21:541
106699226,10cyclictest0-21swapper/107:42:011
1066992219,2cyclictest10889-21apache210:28:181
1066992217,3cyclictest1063-21cyclictest10:42:371
1066992212,6cyclictest97250irq/100-eth0-rx09:46:231
1066992211,5cyclictest231ktimersoftd/109:31:591
106599222,18cyclictest0-21swapper/012:11:570
1065992217,1cyclictest81ktimersoftd/010:54:340
1065992216,5cyclictest10905-21apache209:30:500
1065992213,3cyclictest0-21swapper/009:13:530
1065992210,6cyclictest0-21swapper/010:24:270
106599220,1cyclictest0-21swapper/010:37:230
106699211,19cyclictest13871-21ssh11:52:591
1066992110,8cyclictest0-21swapper/110:05:591
1066992110,4cyclictest27103-21/usr/sbin/munin09:21:571
1066992110,4cyclictest0-21swapper/111:36:571
1066992110,4cyclictest0-21swapper/108:47:051
1066992110,10cyclictest0-21swapper/112:24:581
106599219,10cyclictest10855-21apache208:06:520
106599214,11cyclictest0-21swapper/008:46:540
106599213,18cyclictest0-21swapper/010:44:510
106599212,18cyclictest0-21swapper/010:04:330
1065992119,2cyclictest817-21apache208:20:010
1065992119,1cyclictest817-21apache207:55:260
106599211,11cyclictest0-21swapper/008:12:000
106699205,9cyclictest0-21swapper/107:11:591
106699203,13cyclictest0-21swapper/112:12:211
1066992012,2cyclictest0-21swapper/109:01:521
106699201,15cyclictest0-21swapper/111:29:281
1066992010,7cyclictest0-21swapper/112:27:361
1066992010,3cyclictest0-21swapper/107:16:541
1066992010,1cyclictest0-21swapper/109:17:241
106699200,1cyclictest0-21swapper/111:03:081
106599203,10cyclictest0-21swapper/007:41:510
1065992019,1cyclictest10889-21apache210:07:340
1065992016,3cyclictest10889-21apache210:51:170
1065992010,7cyclictest0-21swapper/009:18:520
1065992010,3cyclictest0-21swapper/011:21:540
1065992010,0cyclictest0-21swapper/011:20:560
106599200,2cyclictest0-21swapper/008:31:490
106599200,19cyclictest0-21swapper/009:24:390
106599200,17cyclictest0-21swapper/007:07:330
1053022010,0sleep10-21swapper/111:48:541
63882190,0sleep10-21swapper/109:36:501
106699196,8cyclictest0-21swapper/107:26:521
106699194,13cyclictest0-21swapper/108:56:511
106699192,4cyclictest0-21swapper/109:48:231
1066991919,0cyclictest0-21swapper/112:31:521
1066991919,0cyclictest0-21swapper/110:57:161
1066991912,3cyclictest0-21swapper/108:37:001
1066991910,7cyclictest0-21swapper/108:19:411
1066991910,6cyclictest0-21swapper/107:26:401
1066991910,3cyclictest1111-21runrttasks07:51:331
1066991910,2cyclictest0-21swapper/112:16:521
106599193,8cyclictest0-21swapper/008:21:590
1065991915,3cyclictest10889-21apache212:05:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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