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2023-10-03 - 23:00
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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 rackcslot1.osadl.org (updated Tue Oct 03, 2023 12:48:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13989210750,4sleep110-21swapper/1107:09:583
45372910,1sleep110-21swapper/1107:45:013
174822840,1sleep00-21swapper/009:00:010
169862780,0sleep10-21swapper/108:05:181
1394426858,7sleep80-21swapper/807:09:1910
1394026862,4sleep40-21swapper/407:09:156
1386226660,4sleep20-21swapper/207:08:134
1392626152,6sleep70-21swapper/707:09:069
1387926055,3sleep60-21swapper/607:08:298
1386325952,5sleep30-21swapper/307:08:145
1372525852,4sleep10-21swapper/107:06:111
1372025851,5sleep90-21swapper/907:06:0711
322062560,1sleep50-21swapper/507:35:317
1395425650,4sleep50-21swapper/507:09:287
1379225650,4sleep00-21swapper/007:07:100
1191025648,4sleep100-21swapper/1007:05:202
1451199275,16cyclictest0-21swapper/1008:00:012
1451999231,15cyclictest0-21swapper/1108:00:013
1449699234,14cyclictest0-21swapper/712:10:019
1451999223,14cyclictest0-21swapper/1112:00:023
1451199225,12cyclictest0-21swapper/1011:00:012
1450299221,4cyclictest0-21swapper/810:25:3410
1447899224,13cyclictest0-21swapper/610:20:018
1451199213,12cyclictest0-21swapper/1011:45:012
1451199213,12cyclictest0-21swapper/1011:45:012
1449699214,13cyclictest0-21swapper/712:25:019
1444599215,15cyclictest0-21swapper/110:10:011
1451999204,11cyclictest0-21swapper/1111:15:013
1451999203,12cyclictest0-21swapper/1111:50:013
1451999203,12cyclictest0-21swapper/1111:50:013
1451999203,11cyclictest0-21swapper/1109:05:013
1446299203,13cyclictest0-21swapper/411:50:016
1446299203,13cyclictest0-21swapper/411:50:016
1444599204,12cyclictest0-21swapper/112:05:011
1444599204,12cyclictest0-21swapper/110:20:011
1444599204,12cyclictest0-21swapper/109:40:021
1451999194,12cyclictest0-21swapper/1112:05:013
1451999193,11cyclictest0-21swapper/1109:15:013
1449699194,11cyclictest0-21swapper/710:55:019
1449699193,11cyclictest0-21swapper/709:15:019
1447899198,7cyclictest906-21snmpd10:40:018
1446299193,13cyclictest0-21swapper/408:05:016
1445299194,12cyclictest0-21swapper/208:30:004
1445299193,11cyclictest0-21swapper/211:25:014
1444599195,12cyclictest0-21swapper/107:45:011
1444599194,13cyclictest0-21swapper/112:10:011
1444599194,12cyclictest0-21swapper/111:05:011
1444599193,13cyclictest0-21swapper/109:45:011
1443999196,12cyclictest3-21ksoftirqd/010:23:230
1451199183,12cyclictest0-21swapper/1012:40:012
1451199183,10cyclictest0-21swapper/1012:20:282
1449699181,16cyclictest0-21swapper/712:04:379
1446299184,11cyclictest0-21swapper/410:00:016
1446299182,12cyclictest0-21swapper/411:00:016
1444599183,11cyclictest0-21swapper/108:00:011
14439991816,1cyclictest3-21ksoftirqd/011:58:000
14439991811,6cyclictest3-21ksoftirqd/012:16:360
1451199174,10cyclictest0-21swapper/1010:05:012
1451199173,10cyclictest0-21swapper/1009:19:412
1450299176,7cyclictest0-21swapper/809:50:0110
1449699176,7cyclictest0-21swapper/707:50:019
1449699171,15cyclictest0-21swapper/708:15:119
1447099173,10cyclictest0-21swapper/507:35:017
14470991712,3cyclictest967-21lldpd08:43:367
1446299171,8cyclictest0-21swapper/412:24:186
14462991712,4cyclictest0-21swapper/409:12:386
14462991712,3cyclictest967-21lldpd08:24:236
1446299171,15cyclictest0-21swapper/412:25:166
1445299172,10cyclictest967-21lldpd08:25:014
1443999171,3cyclictest0-21swapper/010:51:370
1443999171,2cyclictest0-21swapper/010:00:100
1443999170,3cyclictest0-21swapper/009:24:010
1443999170,2cyclictest0-21swapper/010:44:240
63332160,0sleep20-21swapper/211:15:204
1451999161,3cyclictest0-21swapper/1110:12:073
14519991611,3cyclictest906-21snmpd10:45:333
1451199161,14cyclictest0-21swapper/1008:58:192
1451199161,14cyclictest0-21swapper/1007:52:302
1450699161,3cyclictest0-21swapper/908:30:5611
1450299161,3cyclictest0-21swapper/811:04:2710
14502991612,3cyclictest0-21swapper/811:29:4510
14502991612,3cyclictest0-21swapper/811:29:4510
1450299161,14cyclictest0-21swapper/808:43:5210
14502991611,4cyclictest0-21swapper/808:28:0410
1450299161,14cyclictest0-21swapper/808:07:5210
1449699169,6cyclictest967-21lldpd10:45:019
1449699164,9cyclictest0-21swapper/711:40:029
1449699164,9cyclictest0-21swapper/711:40:019
14496991612,3cyclictest0-21swapper/711:06:569
14496991612,3cyclictest0-21swapper/709:19:479
1447899163,10cyclictest0-21swapper/607:45:018
1447899162,11cyclictest0-21swapper/608:25:008
1447099164,9cyclictest0-21swapper/510:45:017
14470991611,3cyclictest967-21lldpd08:45:287
1446299162,8cyclictest906-21snmpd07:40:016
14462991612,3cyclictest967-21lldpd08:14:176
14462991612,3cyclictest0-21swapper/409:42:276
1446299161,14cyclictest0-21swapper/409:48:176
1445799164,10cyclictest0-21swapper/311:25:015
14457991612,3cyclictest0-21swapper/310:25:515
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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