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2023-04-01 - 23:07

x86 Intel Atom x6425E @2000 MHz, Linux 5.15.49-rt47 (Profile)

Latency plot of system in rack #e, slot #3
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 rackeslot3 (updated Sat Apr 01, 2023 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
170247699660,64cyclictest0-21swapper/209:19:322
1702476996540,24cyclictest1803001-21kworker/2:110:30:352
1702476996461,2cyclictest0-21swapper/212:31:032
1702476996445,17cyclictest1862086-21kworker/2:211:50:202
170247699640,63cyclictest0-21swapper/208:50:522
1702476996359,2cyclictest0-21swapper/208:20:002
1702476996258,3cyclictest0-21swapper/212:38:372
1702476996240,19cyclictest1807918-21kworker/2:210:40:192
1702476996142,17cyclictest1702596-21kworker/2:107:15:002
1702476996038,20cyclictest1750987-21kworker/2:209:45:152
1702476995956,2cyclictest0-21swapper/207:16:032
1702476995955,2cyclictest0-21swapper/211:55:422
1702476995941,16cyclictest1882653-21kworker/2:212:10:472
1702476995940,18cyclictest1787292-21kworker/2:010:15:002
1702476995936,21cyclictest3842219-1kworker/2:2H08:35:012
1702476995842,14cyclictest1716140-21kworker/2:107:55:202
1702476995755,1cyclictest0-21swapper/211:11:022
1702476995742,14cyclictest3842219-1kworker/2:2H07:42:032
1702476995742,14cyclictest1750987-21kworker/2:210:00:212
1702476995740,16cyclictest1818754-21kworker/2:110:50:292
1702476995739,16cyclictest1762869-1kworker/2:0H11:49:342
1702476995738,17cyclictest1803001-21kworker/2:110:35:262
1702476995737,18cyclictest1882653-21kworker/2:212:15:182
170247699570,55cyclictest0-21swapper/209:54:032
1702476995641,14cyclictest1857446-21kworker/2:111:42:012
1702476995641,14cyclictest1843985-21kworker/2:011:30:012
1702476995641,14cyclictest1739411-21kworker/2:109:10:212
1702476995641,14cyclictest1722686-21kworker/2:308:24:552
1702476995641,14cyclictest1720752-21kworker/2:008:05:232
1702476995640,15cyclictest1823133-21kworker/2:010:55:222
1702476995640,15cyclictest1739411-21kworker/2:109:05:222
1702476995639,16cyclictest1709972-21kworker/2:007:30:182
1702476995638,16cyclictest1843985-21kworker/2:011:25:002
1702476995638,16cyclictest1750987-21kworker/2:209:30:192
1702476995631,21cyclictest1762869-1kworker/2:0H11:40:012
1702481995550,3cyclictest1534052-1kworker/3:1H12:10:223
1702481995550,3cyclictest1534052-1kworker/3:1H09:37:343
1702481995550,3cyclictest1534052-1kworker/3:1H09:37:333
1702476995553,1cyclictest0-21swapper/211:03:382
1702476995540,14cyclictest1882653-21kworker/2:212:28:032
1702476995540,14cyclictest1838726-21kworker/2:211:20:012
1702476995540,14cyclictest1787292-21kworker/2:010:25:252
1702476995540,14cyclictest1729122-21kworker/2:008:55:232
1702476995540,14cyclictest1722686-21kworker/2:308:25:242
1702476995539,15cyclictest1750987-21kworker/2:209:39:352
1702476995539,15cyclictest1750987-21kworker/2:209:39:342
1702476995538,16cyclictest1823133-21kworker/2:011:07:032
1702476995537,17cyclictest1702596-21kworker/2:107:20:202
170247699550,54cyclictest0-21swapper/207:39:542
170247699550,2cyclictest0-21swapper/210:08:042
1702481995448,4cyclictest1534052-1kworker/3:1H08:50:583
1702476995439,14cyclictest1707806-21kworker/2:207:25:022
1702476995438,15cyclictest1750987-21kworker/2:209:55:192
1702476995438,15cyclictest1750987-21kworker/2:209:40:062
1702476995437,16cyclictest1716140-21kworker/2:108:00:182
1702476995437,16cyclictest1709972-21kworker/2:007:45:202
1702476995437,15cyclictest1807918-21kworker/2:210:45:212
1702476995436,16cyclictest1762869-1kworker/2:0H11:15:302
1702476995436,16cyclictest1732629-21kworker/2:208:45:222
1702476995436,16cyclictest1729122-21kworker/2:008:35:222
1702473995448,5cyclictest1702364-21kworker/1:007:33:581
1702473995448,3cyclictest1859514-21kworker/1:112:15:311
1702476995338,14cyclictest1873251-21kworker/2:112:05:222
1702476995338,14cyclictest1787292-21kworker/2:010:15:012
1702476995338,14cyclictest1750987-21kworker/2:209:27:022
1702476995338,14cyclictest1729122-21kworker/2:008:40:022
1702476995336,16cyclictest3842219-1kworker/2:2H07:50:202
1702476995336,16cyclictest1873251-21kworker/2:112:01:112
1702476995336,16cyclictest1787292-21kworker/2:010:20:012
1702473995349,3cyclictest3274650-1kworker/1:0H10:21:331
1702473995348,3cyclictest3274650-1kworker/1:0H09:00:181
1702473995348,3cyclictest3274650-1kworker/1:0H08:45:211
1702471995348,4cyclictest1865563-21kworker/0:112:03:030
1702471995348,3cyclictest1608679-1kworker/0:1H09:30:110
1702471995347,3cyclictest1608679-1kworker/0:1H12:25:210
1702481995247,3cyclictest1534052-1kworker/3:1H11:00:043
1702481995247,3cyclictest1534052-1kworker/3:1H10:36:033
1702476995236,15cyclictest1729122-21kworker/2:009:00:012
1702476995235,14cyclictest1882653-21kworker/2:212:20:012
1702476995235,14cyclictest1882653-21kworker/2:212:20:012
1702473995248,2cyclictest1766766-21kworker/1:111:11:021
1702473995247,3cyclictest3274650-1kworker/1:0H07:55:301
1702473995247,3cyclictest1702364-21kworker/1:007:36:371
1702471995250,1cyclictest1783739-21kworker/0:110:14:550
1702471995248,2cyclictest1848445-21kworker/0:011:40:050
1702481995147,2cyclictest1729119-21kworker/3:008:57:023
1702476995135,15cyclictest1750987-21kworker/2:209:24:582
1702473995147,2cyclictest1766766-21kworker/1:111:03:381
1702473995147,2cyclictest1702364-21kworker/1:007:26:031
1702471995148,2cyclictest1865563-21kworker/0:111:55:250
1702481995047,2cyclictest1790612-21kworker/3:110:17:033
1702481995046,3cyclictest1699124-21kworker/3:207:16:023
1702481995045,3cyclictest1534052-1kworker/3:1H08:01:043
1702473995047,2cyclictest1702364-21kworker/1:008:17:021
1702473995047,2cyclictest1702364-21kworker/1:007:24:271
1702473995045,3cyclictest1702364-21kworker/1:008:24:551
1702473995043,4cyclictest3274650-1kworker/1:0H08:40:251
1702471995047,2cyclictest1706123-21kworker/0:008:04:020
1702471995046,2cyclictest1793223-21kworker/0:010:45:210
1702471995044,3cyclictest1608679-1kworker/0:1H07:29:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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