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2024-04-27 - 14:03
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack1slot8.osadl.org (updated Sat Apr 27, 2024 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
215742915893,15sleep10-21swapper/107:06:001
2201299895817,55cyclictest1865-21switchtime09:10:261
2201199858799,52cyclictest0-21swapper/009:10:260
2201299461393,28cyclictest22469-21forks07:10:111
2201199440353,81cyclictest0-21swapper/007:10:110
2277991060,4rtkit-daemon2276-21rtkit-daemon10:27:310
22011991053,10cyclictest547-21diskmemload09:21:590
22011999613,62cyclictest0-21swapper/007:33:000
22011999413,59cyclictest0-21swapper/011:45:580
2201199909,63cyclictest0-21swapper/009:28:580
227799890,4rtkit-daemon2276-21rtkit-daemon12:07:420
22011998714,61cyclictest0-21swapper/007:26:590
227799830,13rtkit-daemon0-21swapper/111:53:571
22012998318,32cyclictest0-21swapper/112:39:581
227799820,20rtkit-daemon0-21swapper/109:09:591
22011998214,48cyclictest0-21swapper/009:59:590
22011998214,48cyclictest0-21swapper/009:59:580
3792810,12sleep1271ktimersoftd/111:00:211
227799810,19rtkit-daemon0-21swapper/108:53:391
227799810,19rtkit-daemon0-21swapper/108:01:091
22012998119,30cyclictest0-21swapper/108:29:581
22012998116,31cyclictest0-21swapper/111:46:591
22012998116,30cyclictest0-21swapper/109:18:581
22012998114,29cyclictest0-21swapper/111:15:591
227799800,4rtkit-daemon2276-21rtkit-daemon11:19:360
227799800,20rtkit-daemon0-21swapper/110:52:071
2201299807,35cyclictest0-21swapper/108:36:581
22012998017,28cyclictest0-21swapper/109:33:591
227799790,19rtkit-daemon0-21swapper/108:12:041
22012997916,28cyclictest0-21swapper/108:48:581
22012997915,31cyclictest0-21swapper/109:42:591
22012997915,31cyclictest0-21swapper/107:45:581
22012997914,31cyclictest0-21swapper/111:44:581
22012997914,30cyclictest0-21swapper/107:50:591
227799780,4rtkit-daemon2276-21rtkit-daemon12:28:340
227799780,4rtkit-daemon2276-21rtkit-daemon07:46:170
2201299786,37cyclictest0-21swapper/108:22:001
22012997816,33cyclictest0-21swapper/110:01:581
22012997814,30cyclictest0-21swapper/112:11:591
22012997814,30cyclictest0-21swapper/112:11:581
22012997813,30cyclictest0-21swapper/109:35:581
22012997813,29cyclictest0-21swapper/111:33:591
134962780,3sleep013493-21ssh09:30:310
227799770,21rtkit-daemon0-21swapper/109:01:451
22012997715,29cyclictest0-21swapper/109:51:591
22012997714,31cyclictest0-21swapper/110:14:591
22012997713,30cyclictest0-21swapper/110:31:591
22012997713,30cyclictest0-21swapper/110:31:591
22012997712,31cyclictest0-21swapper/111:24:591
227799760,20rtkit-daemon0-21swapper/109:21:001
227799760,19rtkit-daemon0-21swapper/109:29:491
2201299765,40cyclictest0-21swapper/110:08:591
22012997618,27cyclictest0-21swapper/107:55:581
22012997613,33cyclictest0-21swapper/108:05:591
2201199762,58cyclictest29138-21latency_hist10:55:000
227799750,20rtkit-daemon0-21swapper/110:23:411
22012997519,26cyclictest0-21swapper/112:23:591
22012997517,28cyclictest0-21swapper/112:03:581
22012997517,27cyclictest0-21swapper/107:42:001
22012997515,29cyclictest0-21swapper/110:46:591
22012997513,29cyclictest0-21swapper/108:17:581
22012997511,34cyclictest0-21swapper/111:35:591
22012997510,29cyclictest0-21swapper/110:16:591
2201199753,34cyclictest471-21munin-node11:00:230
2201199742,65cyclictest11083-21ssh12:15:060
22012997310,30cyclictest0-21swapper/108:55:581
22011997238,28cyclictest0-21swapper/008:30:000
2201299718,34cyclictest0-21swapper/107:22:001
2201299715,32cyclictest0-21swapper/111:14:581
22012997111,30cyclictest0-21swapper/112:06:591
22011997143,22cyclictest0-21swapper/010:20:130
22012997014,28cyclictest0-21swapper/109:55:591
22012997014,28cyclictest0-21swapper/109:55:581
22012997011,33cyclictest0-21swapper/111:27:591
2201199705,54cyclictest0-21swapper/007:43:000
2201199702,45cyclictest31771-21ssh11:55:050
22012996911,19cyclictest32012-21rm10:59:591
22011996917,40cyclictest0-21swapper/011:12:590
22012996817,27cyclictest0-21swapper/107:28:581
22011996841,21cyclictest0-21swapper/008:40:210
22011996840,21cyclictest0-21swapper/010:44:250
2201199684,58cyclictest0-21swapper/009:54:360
2201199678,38cyclictest0-21swapper/009:15:110
22011996744,17cyclictest0-21swapper/010:38:400
2201199673,58cyclictest547-21diskmemload11:20:140
2201199673,43cyclictest0-21swapper/011:50:270
2201199672,58cyclictest547-21diskmemload12:03:550
2201199672,58cyclictest19071-21processes09:40:220
2201199672,50cyclictest20364-21latency_hist08:35:010
2201199672,48cyclictest14001-21netstat08:15:250
2201199672,44cyclictest22936-21munin-run11:40:000
2201199672,43cyclictest8772-21ssh12:10:200
2201199672,43cyclictest8772-21ssh12:10:200
22011996645,15cyclictest0-21swapper/008:50:300
22011996644,16cyclictest0-21swapper/010:11:500
2201199662,57cyclictest15756-21gltestperf09:35:160
2201199662,50cyclictest21177-21ssh12:30:530
2201199662,48cyclictest24423-21processes10:45:240
2201199662,35cyclictest32497-21ssh10:04:450
2201199662,35cyclictest16758-21idleruntime-cro08:25:010
22011996616,44cyclictest88450irq/46-eth0-tx-10:18:380
2170626625,30sleep00-21swapper/007:07:220
2201199653,56cyclictest16528-21ssh10:31:360
2201199653,56cyclictest16528-21ssh10:31:350
22011996524,34cyclictest0-21swapper/011:05:430
2201199652,56cyclictest15585-21sh12:21:310
2201199652,48cyclictest7211-21unixbench_singl07:55:360
22011996516,33cyclictest0-21swapper/008:06:580
2201199646,31cyclictest0-21swapper/011:33:250
22011996441,17cyclictest0-21swapper/010:51:240
22011996441,17cyclictest0-21swapper/009:47:360
2201199642,56cyclictest5044-21snmpd07:54:000
2201199642,56cyclictest1233-21ntp_offset10:05:280
22011996342,15cyclictest0-21swapper/011:27:030
22011996340,17cyclictest0-21swapper/009:00:130
2201199632,49cyclictest23980-21rm12:35:350
22011996240,16cyclictest0-21swapper/008:57:130
22011996236,20cyclictest0-21swapper/009:10:000
227799610,9rtkit-daemon0-21swapper/111:06:421
227799610,3rtkit-daemon0-21swapper/112:26:231
227799610,10rtkit-daemon0-21swapper/107:33:231
2201199613,52cyclictest24592-21chrt08:45:200
2201199612,53cyclictest24687-21sh11:41:300
227799600,8rtkit-daemon0-21swapper/107:36:221
227799590,18rtkit-daemon2276-21rtkit-daemon09:45:341
2201199593,32cyclictest27409-21latency_hist07:25:020
22011995914,39cyclictest31165-21munin-node07:35:250
2201199585,47cyclictest0-21swapper/008:01:590
2201199572,49cyclictest19859-21grep08:30:290
22011995713,31cyclictest0-21swapper/007:15:490
227799560,10rtkit-daemon0-21swapper/108:33:391
2201199562,48cyclictest12966-21sleep08:13:080
227799550,4rtkit-daemon2276-21rtkit-daemon12:31:091
22012995514,35cyclictest0-21swapper/110:40:591
227799540,4rtkit-daemon2276-21rtkit-daemon07:16:271
22012995413,31cyclictest0-21swapper/108:43:591
22012995318,29cyclictest0-21swapper/112:16:581
22012995216,30cyclictest0-21swapper/110:26:591
22012995117,28cyclictest0-21swapper/111:56:591
22012995015,29cyclictest0-21swapper/110:36:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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