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2023-05-28 - 02:11

x86 Intel Core i7-X990 @3467 MHz, Linux 4.9.47-rt37 (Profile)

Latency plot of system in rack #c, slot #1
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 Sat May 27, 2023 12:48:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
261521170,1sleep60-21swapper/612:09:598
3907991050,95rtkit-daemon0-21swapper/307:07:475
3141621040,1sleep90-21swapper/912:01:0111
390799890,83rtkit-daemon0-21swapper/1107:05:283
1076628058,6sleep90-21swapper/907:09:0111
1059627655,6sleep50-21swapper/507:06:317
832927159,8sleep00-21swapper/007:05:030
1073827057,9sleep70-21swapper/707:08:349
1071527060,7sleep20-21swapper/207:08:174
1059026846,7sleep10-21swapper/107:06:271
1076126758,6sleep40-21swapper/407:08:556
1074126758,6sleep100-21swapper/1007:08:382
1063726657,6sleep60-21swapper/607:07:098
1054026656,7sleep80-21swapper/807:05:4710
260322640,1sleep20-21swapper/211:00:344
185012600,1sleep90-21swapper/912:33:1611
183382560,0sleep00-21swapper/012:31:320
56222500,1sleep10-21swapper/112:10:421
78922430,1sleep60-21swapper/610:34:468
1131499316,21cyclictest0-21swapper/212:35:004
1130899266,15cyclictest0-21swapper/111:30:021
1135399252,16cyclictest0-21swapper/810:45:0210
1135399250,11cyclictest0-21swapper/812:30:0010
1134199245,16cyclictest0-21swapper/612:40:008
1134199244,14cyclictest0-21swapper/612:05:008
1135399235,15cyclictest0-21swapper/811:20:0210
1134199235,17cyclictest0-21swapper/612:15:018
1134199234,13cyclictest0-21swapper/610:55:018
1132199235,13cyclictest0-21swapper/308:45:015
1132199233,14cyclictest0-21swapper/310:40:015
1130499234,13cyclictest0-21swapper/012:05:000
1134799224,13cyclictest0-21swapper/709:10:029
1134799224,13cyclictest0-21swapper/709:10:019
1134799224,12cyclictest0-21swapper/710:25:019
1133699224,13cyclictest0-21swapper/509:35:027
1131499224,14cyclictest0-21swapper/212:00:004
1131499224,13cyclictest0-21swapper/211:40:014
1130899224,13cyclictest0-21swapper/112:00:001
1130899223,14cyclictest0-21swapper/110:30:021
1137099215,12cyclictest0-21swapper/1111:25:023
1134799214,13cyclictest0-21swapper/708:10:009
1134799212,14cyclictest0-21swapper/707:30:019
1134199214,13cyclictest0-21swapper/607:30:008
1134199213,13cyclictest0-21swapper/609:05:018
1133699214,13cyclictest0-21swapper/509:00:017
1133699213,13cyclictest0-21swapper/510:35:027
1130899213,12cyclictest0-21swapper/111:45:011
1130499210,20cyclictest0-21swapper/010:59:150
1136499204,12cyclictest0-21swapper/1010:15:012
1136499203,12cyclictest0-21swapper/1012:05:002
1135399204,12cyclictest0-21swapper/812:40:0010
1135399203,13cyclictest0-21swapper/811:55:0110
1134799202,13cyclictest0-21swapper/712:35:009
1134199203,12cyclictest0-21swapper/610:00:028
1133699203,12cyclictest0-21swapper/511:25:017
1132199204,11cyclictest0-21swapper/308:00:015
1131499203,12cyclictest0-21swapper/210:30:024
1130899204,12cyclictest0-21swapper/110:20:011
1130899203,13cyclictest0-21swapper/108:20:001
1130899203,12cyclictest0-21swapper/110:10:011
1137099194,11cyclictest0-21swapper/1109:45:013
1137099193,11cyclictest0-21swapper/1110:05:023
1137099193,11cyclictest0-21swapper/1107:35:013
1136499194,11cyclictest0-21swapper/1012:20:012
1134799194,11cyclictest0-21swapper/708:25:029
1134799193,11cyclictest0-21swapper/708:50:029
1134199193,11cyclictest0-21swapper/611:40:008
1134199193,11cyclictest0-21swapper/608:10:018
1133699193,11cyclictest0-21swapper/511:30:027
1131499193,15cyclictest0-21swapper/212:25:004
1131499193,11cyclictest0-21swapper/211:08:114
1130899190,17cyclictest0-21swapper/107:20:231
1130499193,12cyclictest0-21swapper/011:15:020
1136499184,10cyclictest0-21swapper/1010:20:012
1136499183,11cyclictest0-21swapper/1008:30:022
1135399183,10cyclictest0-21swapper/808:55:0210
1135399182,11cyclictest0-21swapper/808:06:3210
11347991814,3cyclictest0-21swapper/712:11:329
1134199183,10cyclictest0-21swapper/607:45:028
1133699183,11cyclictest0-21swapper/508:00:017
1132199183,10cyclictest0-21swapper/311:45:015
11359991714,2cyclictest0-21swapper/911:49:5611
1135399170,3cyclictest0-21swapper/810:05:2110
1134199173,9cyclictest0-21swapper/609:20:028
1134199173,9cyclictest0-21swapper/609:20:018
1132599174,10cyclictest0-21swapper/408:00:016
1130499173,10cyclictest0-21swapper/010:05:010
210652160,1sleep10-21swapper/110:55:191
1137099160,15cyclictest0-21swapper/1112:00:413
1135999161,3cyclictest0-21swapper/908:40:2211
1134799163,9cyclictest0-21swapper/711:31:449
1134799163,10cyclictest0-21swapper/709:50:019
1134799160,15cyclictest0-21swapper/711:14:429
1134199160,15cyclictest0-21swapper/611:50:028
1133699161,14cyclictest0-21swapper/507:55:017
1132599164,9cyclictest0-21swapper/412:15:016
1132599160,15cyclictest0-21swapper/412:26:226
1130499163,9cyclictest0-21swapper/012:10:010
266222150,1sleep60-21swapper/611:55:218
11370991511,3cyclictest0-21swapper/1112:10:393
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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