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2023-03-29 - 21:35

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 Wed Mar 29, 2023 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7699899670,65cyclictest0-21swapper/210:34:332
76998996634,30cyclictest174141-21kworker/2:210:25:152
7699899660,64cyclictest0-21swapper/210:04:202
76998996511,52cyclictest96167-21fschecks_time08:05:152
76998996430,33cyclictest128638-21kworker/2:109:25:162
76998996336,25cyclictest151569-21kworker/2:110:11:032
76998996334,28cyclictest259331-21kworker/2:212:30:172
76998996241,19cyclictest174141-21kworker/2:211:01:022
76998996045,14cyclictest151569-21kworker/2:110:15:192
76998996044,15cyclictest249895-21kworker/2:012:05:012
76998996044,15cyclictest100894-21kworker/2:008:22:042
76998996043,15cyclictest109350-21kworker/2:008:55:312
76998996042,17cyclictest174141-21kworker/2:211:05:062
76998996042,17cyclictest109350-21kworker/2:009:15:162
76998996042,16cyclictest76884-21kworker/2:307:15:012
76998996042,16cyclictest143158-21kworker/2:009:51:342
76998996040,18cyclictest79610-21kworker/2:107:35:202
76998995944,14cyclictest87154-21kworker/2:207:40:192
76998995944,14cyclictest109350-21kworker/2:008:50:162
76998995943,15cyclictest79610-21kworker/2:107:25:212
76998995943,15cyclictest231333-21kworker/2:212:01:072
76998995942,16cyclictest231333-21kworker/2:211:50:162
76998995942,16cyclictest174141-21kworker/2:210:45:152
76998995942,16cyclictest151569-21kworker/2:109:55:292
76998995942,15cyclictest2209262-1kworker/2:0H10:55:192
76998995941,17cyclictest169423-21kworker/2:010:20:152
76998995941,15cyclictest100894-21kworker/2:008:30:152
76998995936,21cyclictest231333-21kworker/2:211:45:192
76998995842,15cyclictest212303-21kworker/2:011:15:172
76998995842,15cyclictest115491-21kworker/2:209:06:022
76998995842,15cyclictest109350-21kworker/2:009:10:162
76998995841,16cyclictest2209262-1kworker/2:0H08:00:162
76998995840,17cyclictest128638-21kworker/2:109:30:172
76998995840,17cyclictest124207-21kworker/2:209:20:462
76998995833,24cyclictest143158-21kworker/2:009:45:012
76998995741,15cyclictest87154-21kworker/2:207:53:582
76998995741,15cyclictest87154-21kworker/2:207:48:582
76998995741,15cyclictest87154-21kworker/2:207:48:572
76998995741,15cyclictest259331-21kworker/2:212:35:042
76998995741,15cyclictest212303-21kworker/2:011:40:002
76998995741,15cyclictest128638-21kworker/2:109:39:182
76998995741,15cyclictest100894-21kworker/2:008:25:182
76998995740,16cyclictest212303-21kworker/2:011:30:162
76998995738,17cyclictest253956-21kworker/2:112:15:202
76998995640,15cyclictest87154-21kworker/2:208:19:012
76998995640,15cyclictest87154-21kworker/2:208:10:242
76998995640,15cyclictest79610-21kworker/2:107:30:152
76998995640,15cyclictest174141-21kworker/2:210:50:052
76998995640,15cyclictest109350-21kworker/2:009:00:072
76998995640,15cyclictest105499-21kworker/2:208:39:052
76998995639,16cyclictest107386-21kworker/2:108:42:022
76998995638,17cyclictest76884-21kworker/2:307:10:152
76998995635,19cyclictest87154-21kworker/2:207:55:162
77001995550,3cyclictest82264-21kworker/3:107:33:383
76998995539,15cyclictest231333-21kworker/2:211:55:012
76998995539,15cyclictest231333-21kworker/2:211:55:012
76998995539,15cyclictest2209262-1kworker/2:0H12:28:322
76998995539,15cyclictest212303-21kworker/2:011:25:152
76998995539,15cyclictest174141-21kworker/2:211:10:172
76998995539,15cyclictest174141-21kworker/2:210:35:162
76998995539,15cyclictest151569-21kworker/2:110:09:212
76998995539,15cyclictest128638-21kworker/2:109:40:192
76998995538,16cyclictest79610-21kworker/2:107:20:192
76998995537,17cyclictest259331-21kworker/2:212:20:202
76998995438,15cyclictest231333-21kworker/2:211:42:342
76998995438,15cyclictest212303-21kworker/2:011:20:152
76998995438,15cyclictest174141-21kworker/2:210:41:032
76998995437,16cyclictest109350-21kworker/2:008:45:182
77001995349,3cyclictest252150-21kworker/3:212:09:523
77001995348,3cyclictest75534-21kworker/3:007:17:083
77001995348,3cyclictest1798844-1kworker/3:2H10:00:273
77001995348,3cyclictest1798844-1kworker/3:2H09:00:223
77001995348,3cyclictest135278-21kworker/3:209:34:273
76998995351,1cyclictest0-21swapper/212:14:332
76996995348,3cyclictest75355-1kworker/1:1H09:02:021
77001995249,2cyclictest143152-21kworker/3:109:52:043
77001995248,3cyclictest87122-21kworker/3:207:49:263
77001995248,3cyclictest87122-21kworker/3:207:49:253
77001995248,3cyclictest202778-21kworker/3:011:21:033
77001995246,3cyclictest1798844-1kworker/3:2H08:03:593
76991995248,2cyclictest87157-21kworker/0:107:43:340
76991995247,3cyclictest1608679-1kworker/0:1H10:00:360
76991995245,5cyclictest1608679-1kworker/0:1H09:00:150
77001995147,3cyclictest97133-21kworker/3:108:35:363
77001995147,3cyclictest97133-21kworker/3:108:29:333
77001995146,3cyclictest234969-21kworker/3:111:50:243
76996995148,2cyclictest124133-21kworker/1:209:25:421
76991995148,2cyclictest82261-21kworker/0:207:24:030
77001995047,2cyclictest248309-21kworker/3:012:03:333
77001995047,2cyclictest234969-21kworker/3:111:48:353
77001995046,2cyclictest97133-21kworker/3:108:44:383
77001995045,3cyclictest231007-21kworker/3:211:44:093
77001995045,3cyclictest200837-1kworker/3:1H11:25:013
77001995045,3cyclictest200837-1kworker/3:1H11:15:173
77001995044,4cyclictest1798844-1kworker/3:2H07:28:573
77001995044,3cyclictest200837-1kworker/3:1H12:25:163
76991995046,2cyclictest1608679-1kworker/0:1H11:00:150
77001994946,2cyclictest97133-21kworker/3:108:11:343
77001994945,3cyclictest272193-21kworker/3:212:39:283
77001994945,3cyclictest252150-21kworker/3:212:20:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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