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2023-03-21 - 19:31

x86 Intel Celeron N3350 @1100 MHz, Linux 5.15.32-rt39 (Profile)

Latency plot of system in rack #6, slot #4
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by a total of 26352 SMIs that occured during the measurement.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 --smi -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 rack6slot4.osadl.org (updated Tue Mar 21, 2023 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1768199342339,2cyclictest14012-21kworker/1:108:13:461
1768199338335,2cyclictest14012-21kworker/1:108:19:401
1768199337334,2cyclictest25172-21kworker/1:110:29:191
1768199336333,2cyclictest18179-21kworker/1:108:46:571
1768199334331,2cyclictest29751-21kworker/1:111:34:231
1768199334331,2cyclictest26312-21kworker/1:111:05:441
1768199334331,2cyclictest26308-21kworker/1:012:05:461
1768199332329,2cyclictest14012-21kworker/1:108:23:431
1768199332329,2cyclictest14012-21kworker/1:108:09:161
1768199332329,2cyclictest0-21swapper/107:13:511
1768199332325,6cyclictest19615-21kworker/1:111:27:341
1768199331328,2cyclictest7995-21kworker/1:109:32:501
1768199331328,2cyclictest18179-21kworker/1:109:09:411
1768199330327,2cyclictest4198-21kworker/1:212:22:511
1768199330327,2cyclictest20173-21kworker/1:010:13:131
1768199330327,2cyclictest14012-21kworker/1:107:18:411
1768199330327,2cyclictest11341-21kworker/1:208:30:051
1768199329327,1cyclictest0-21swapper/111:48:321
1768199329327,1cyclictest0-21swapper/109:00:281
1768199329326,2cyclictest4198-21kworker/1:212:28:531
1768199329326,2cyclictest4198-21kworker/1:212:28:521
1768199329326,2cyclictest19615-21kworker/1:111:24:131
1768199329326,2cyclictest11975-21kworker/1:211:55:421
1768199328326,1cyclictest0-21swapper/111:19:071
1768199328325,2cyclictest415-21kworker/1:009:59:241
1768199328325,2cyclictest31021-21kworker/1:112:16:051
1768199328325,2cyclictest18179-21kworker/1:108:57:591
1768199328325,2cyclictest18179-21kworker/1:108:50:391
1768199328325,2cyclictest14012-21kworker/1:107:32:171
1768199327324,2cyclictest15898-21kworker/1:009:38:291
1768199326324,1cyclictest0-21swapper/110:23:351
1768199326324,1cyclictest0-21swapper/108:27:211
1768199326318,4cyclictest26723-21diskmemload09:26:531
1768199325322,2cyclictest2494-21kworker/1:211:41:051
1768199324321,2cyclictest5496-21kworker/1:210:49:381
1768199324321,2cyclictest15898-21kworker/1:009:41:041
1768199324321,2cyclictest14012-21kworker/1:107:48:211
1768199324321,2cyclictest14012-21kworker/1:107:42:411
1768199324321,2cyclictest11975-21kworker/1:212:02:211
1768199323320,2cyclictest14012-21kworker/1:107:56:191
1768199323320,2cyclictest10428-21kworker/1:110:05:151
1768199323319,3cyclictest3234-21kworker/1:009:22:111
1768199322319,2cyclictest5313-21kworker/1:011:10:181
1768199322319,2cyclictest415-21kworker/1:010:01:071
1768199322319,2cyclictest18179-21kworker/1:109:13:381
1768199322319,2cyclictest15336-21kworker/1:210:19:441
1768199322319,2cyclictest14012-21kworker/1:107:26:271
1768199321318,2cyclictest26312-21kworker/1:110:56:331
1768199320318,1cyclictest0-21swapper/108:02:501
1768199320317,2cyclictest7259-21kworker/1:111:50:071
1768199320317,2cyclictest26312-21kworker/1:111:01:121
1768199320317,2cyclictest11619-21kworker/1:010:42:461
1767499320316,2cyclictest22470-21ls12:35:310
1768199319316,2cyclictest415-21kworker/1:009:52:281
1768199319316,2cyclictest27640-21kworker/1:209:47:101
1768199319316,2cyclictest25172-21kworker/1:110:30:371
1768199319316,2cyclictest14012-21kworker/1:107:36:531
1768199318315,2cyclictest26308-21kworker/1:012:10:541
1768199318314,2cyclictest5496-21kworker/1:210:51:301
1768199317315,1cyclictest0-21swapper/108:42:191
17681993170,314cyclictest26723-21diskmemload10:35:331
1768199316313,2cyclictest14012-21kworker/1:107:51:081
1768199316313,2cyclictest13735-21kworker/1:112:35:151
1768199316313,2cyclictest13735-21kworker/1:112:31:361
1767499316311,3cyclictest20806-21kworker/0:111:02:260
1768199315312,2cyclictest0-21swapper/109:16:171
1767499315310,4cyclictest23167-21kworker/0:009:24:210
1768199314312,1cyclictest0-21swapper/111:38:041
1768199314311,2cyclictest14012-21kworker/1:107:22:441
1768199313310,2cyclictest11341-21kworker/1:208:37:061
1767499313307,4cyclictest3255-21latency_hist11:40:010
1767499310307,2cyclictest1670-21kworker/0:111:45:000
1767499310305,3cyclictest26698-21kworker/0:010:24:160
17674993090,307cyclictest166162sleep008:40:000
1767499307302,4cyclictest21415-21kworker/0:012:13:350
1767499306301,3cyclictest21415-21kworker/0:012:29:160
1767499306301,3cyclictest21415-21kworker/0:012:29:160
1767499306301,3cyclictest20806-21kworker/0:110:55:300
1767499305303,1cyclictest0-21swapper/010:42:540
1767499305303,1cyclictest0-21swapper/008:29:370
1767499305301,3cyclictest21415-21kworker/0:012:08:180
170602305250,20sleep10-21swapper/107:05:421
1767499304302,1cyclictest0-21swapper/008:05:270
172232304276,20sleep00-21swapper/007:07:290
1767499303299,3cyclictest9186-21switchtime11:10:220
1767499302299,2cyclictest7138-21kworker/0:209:27:250
1767499302299,2cyclictest2574-21runrttasks10:29:050
1767499302298,3cyclictest14640-21kworker/0:211:17:060
1767499300297,2cyclictest0-21swapper/010:16:390
1767499300294,4cyclictest28084-21kworker/0:209:53:460
1767499299297,1cyclictest0-21swapper/011:26:070
1767499299296,2cyclictest0-21swapper/009:45:220
1767499299292,5cyclictest26723-21diskmemload10:39:180
1767499299291,6cyclictest21646-21grep08:55:000
17674992980,296cyclictest0-21swapper/011:54:310
17674992980,296cyclictest0-21swapper/009:35:200
1767499297292,3cyclictest5902-21kworker/0:009:58:420
1767499297292,3cyclictest17045-21expr12:30:190
1767499296294,1cyclictest0-21swapper/007:45:140
1767499294292,1cyclictest0-21swapper/010:46:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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