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2025-07-04 - 09:42
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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 rack0slot4.osadl.org (updated Fri Jul 04, 2025 00:46:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6378052363355,5sleep110-21swapper/1119:07:083
6376932362354,5sleep130-21swapper/1319:05:355
6377552357312,14sleep150-21swapper/1519:06:247
6378852356313,14sleep100-21swapper/1019:08:122
6377572350310,14sleep00-21swapper/019:06:260
6377052347324,15sleep80-21swapper/819:05:4614
6377862345323,14sleep90-21swapper/919:06:5115
6379752343320,15sleep140-21swapper/1419:09:206
6377972343321,14sleep30-21swapper/319:07:019
6377332343329,9sleep20-21swapper/219:06:118
6379412341318,15sleep60-21swapper/619:08:5612
6379252340315,16sleep70-21swapper/719:08:4113
6379192340316,15sleep10-21swapper/119:08:351
6379132340317,15sleep120-21swapper/1219:08:314
6377612340318,14sleep40-21swapper/419:06:3010
6377192336313,15sleep50-21swapper/519:05:5811
63844999182180,1cyclictest838713-21nodev-device-ev23:00:199
63847499114114,0cyclictest0-21swapper/1123:00:193
638442991040,103cyclictest838680-21daemon-init23:00:180
638449999392,1cyclictest0-21swapper/323:50:169
638454999291,1cyclictest0-21swapper/500:00:2011
638480998988,1cyclictest0-21swapper/1319:30:215
638470998786,1cyclictest877220-21nodev-device-ev23:45:182
638449998584,1cyclictest0-21swapper/321:15:219
638447998584,1cyclictest676250-21nodev-device-ev19:50:181
638449997574,1cyclictest0-21swapper/319:25:229
638454997473,1cyclictest0-21swapper/519:40:2011
638474997170,1cyclictest825905-21nodev-device-ev22:45:203
638448996968,1cyclictest0-21swapper/221:25:188
638460996864,3cyclictest872967-21nodev-device-ev23:40:2013
638474996766,1cyclictest0-21swapper/1122:00:193
638474996665,1cyclictest778885-21nodev-device-ev21:50:183
638470996362,1cyclictest804522-21nodev-device-ev22:20:182
638464996362,1cyclictest643455-21nodev-device-ev19:15:0014
638470996157,3cyclictest920062-21nodev-device-ev00:35:192
638442995756,1cyclictest0-21swapper/000:20:190
63848099511,25cyclictest0-21swapper/1322:34:515
63848099511,25cyclictest0-21swapper/1322:12:535
638466995046,4cyclictest0-21swapper/923:30:2315
638442995049,1cyclictest0-21swapper/019:45:210
638470994847,1cyclictest753245-21nodev-device-ev21:20:212
638464994847,1cyclictest0-21swapper/821:05:2014
638466994440,0cyclictest0-21swapper/922:30:1515
638466994339,4cyclictest0-21swapper/919:35:1315
638466994339,0cyclictest0-21swapper/922:05:2015
638466994330,8cyclictest0-21swapper/919:15:1315
638466994322,17cyclictest0-21swapper/900:21:4415
638466994137,4cyclictest0-21swapper/921:27:2115
638466994133,4cyclictest105-21ksoftirqd/923:20:2315
63848099401,25cyclictest0-21swapper/1323:40:445
638466994036,4cyclictest0-21swapper/900:26:0015
638466994036,0cyclictest0-21swapper/922:57:1915
638466994020,16cyclictest105-21ksoftirqd/921:54:2515
63846699400,1cyclictest1031rcuc/923:55:1115
638464994040,0cyclictest0-21swapper/821:35:4514
638464994040,0cyclictest0-21swapper/821:35:4514
638486993938,1cyclictest885772-21nodev-device-ev23:55:187
63848099391,25cyclictest0-21swapper/1321:50:555
63848099391,25cyclictest0-21swapper/1321:28:575
63848099391,25cyclictest0-21swapper/1320:34:025
63848099391,25cyclictest0-21swapper/1319:28:095
63848099391,25cyclictest0-21swapper/1300:35:405
63848099391,25cyclictest0-21swapper/1300:24:415
63848099391,25cyclictest0-21swapper/1300:02:435
63848099390,26cyclictest0-21swapper/1300:13:425
638466993935,4cyclictest0-21swapper/923:51:5915
638466993935,4cyclictest0-21swapper/922:15:2015
638466993935,4cyclictest0-21swapper/921:22:4915
638466993935,0cyclictest0-21swapper/922:10:2415
638466993931,4cyclictest813049-21kworker/9:0+mm_percpu_wq23:18:0715
638466993931,4cyclictest0-21swapper/922:35:1215
638466993924,11cyclictest0-21swapper/922:50:2315
638486993837,1cyclictest911511-21nodev-device-ev00:25:197
638470993837,1cyclictest0-21swapper/1023:30:182
638466993834,4cyclictest0-21swapper/920:32:0115
638466993823,11cyclictest0-21swapper/920:50:2515
63846699380,34cyclictest0-21swapper/921:30:5715
63846699380,34cyclictest0-21swapper/921:30:5615
638464993838,0cyclictest0-21swapper/821:20:5714
638486993736,1cyclictest0-21swapper/1522:25:177
638466993733,4cyclictest0-21swapper/923:04:5515
638466993733,4cyclictest0-21swapper/921:05:3715
638466993729,4cyclictest0-21swapper/923:38:2315
63846499371,35cyclictest951ktimers/823:14:4014
638456993736,1cyclictest0-21swapper/623:05:1912
638466993633,3cyclictest0-21swapper/900:19:3515
638466993632,4cyclictest0-21swapper/922:04:5615
638466993632,4cyclictest0-21swapper/921:02:4115
638466993632,4cyclictest0-21swapper/920:41:3715
638466993632,4cyclictest0-21swapper/900:35:3615
638466993632,4cyclictest0-21swapper/900:14:5515
638466993628,4cyclictest813049-21kworker/9:0-events23:27:5115
638466993628,4cyclictest615059-21kworker/9:2-events19:44:4115
638466993620,12cyclictest0-21swapper/920:29:5215
638466993532,3cyclictest0-21swapper/923:49:1915
638466993531,4cyclictest0-21swapper/920:48:2515
638466993531,4cyclictest0-21swapper/919:50:0915
638466993531,4cyclictest0-21swapper/919:45:2915
638466993531,4cyclictest0-21swapper/919:12:0915
638466993531,4cyclictest0-21swapper/900:00:1515
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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