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2024-04-26 - 01:32

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #1, slot #6

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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  Intel
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Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot6s.osadl.org (updated Thu Apr 25, 2024 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
242299990,6rtkit-daemon0-21swapper/310:49:323
242299980,6rtkit-daemon0-21swapper/310:34:403
242299930,4rtkit-daemon2421-21rtkit-daemon07:29:321
814099895,29cyclictest0-21swapper/106:44:031
814099895,24cyclictest0-21swapper/107:14:101
814099875,12cyclictest0-21swapper/109:24:161
814099864,26cyclictest0-21swapper/110:32:421
814099864,26cyclictest0-21swapper/110:32:421
8140998626,11cyclictest7421-21gltestperf06:24:251
8140998626,11cyclictest7421-21gltestperf06:24:251
8140998624,11cyclictest32306-21aten_r1power_en08:19:091
814099854,32cyclictest0-21swapper/107:44:371
814099854,27cyclictest0-21swapper/107:34:361
814099844,33cyclictest0-21swapper/107:49:151
814099844,28cyclictest0-21swapper/107:59:171
814099844,28cyclictest0-21swapper/107:59:171
814099844,28cyclictest0-21swapper/107:09:291
814099844,28cyclictest0-21swapper/107:09:291
814099843,9cyclictest1303-21aten_r1power_fr06:14:171
8140998424,14cyclictest0-21swapper/110:14:301
8140998414,19cyclictest0-21swapper/105:56:101
814099835,30cyclictest3508-21python07:19:361
814099834,31cyclictest0-21swapper/107:29:021
814099834,24cyclictest23368-21yum-updatesd-he10:09:111
814099834,23cyclictest0-21swapper/106:19:381
814099834,23cyclictest0-21swapper/106:19:381
8140998329,7cyclictest12399-21tr07:39:131
8140998329,10cyclictest15288-21unixbench_singl05:34:421
8140998325,15cyclictest0-21swapper/109:49:151
8140998324,13cyclictest0-21swapper/110:44:221
8140998323,11cyclictest31284-21gltestperf09:19:211
814099824,23cyclictest0-21swapper/106:59:121
8140998223,9cyclictest28158-21sendmail_mailqu07:04:361
814099814,13cyclictest0-21swapper/109:09:051
814099804,31cyclictest0-21swapper/110:25:141
814099804,17cyclictest0-21swapper/107:54:441
814099804,13cyclictest0-21swapper/109:14:311
814099804,12cyclictest0-21swapper/110:39:311
814099804,12cyclictest0-21swapper/109:02:441
814099804,12cyclictest0-21swapper/105:49:221
814099803,21cyclictest17416-21crond08:53:571
814099803,21cyclictest17416-21crond08:53:571
8140998017,16cyclictest7150irq/45-ahci06:54:031
8140998013,12cyclictest0-21swapper/110:53:331
8140998013,11cyclictest0-21swapper/106:47:491
814099797,24cyclictest0-21swapper/108:48:581
814099795,34cyclictest0-21swapper/109:59:211
814099795,28cyclictest0-21swapper/108:38:581
814099795,22cyclictest0-21swapper/109:39:311
814099795,22cyclictest0-21swapper/109:39:311
814099795,12cyclictest0-21swapper/108:54:211
814099794,25cyclictest0-21swapper/106:32:051
814099793,30cyclictest0-21swapper/105:44:291
8140997922,12cyclictest11844-21kernelversion09:44:211
814099785,24cyclictest0-21swapper/105:26:541
814099784,27cyclictest0-21swapper/106:04:381
242299780,4rtkit-daemon2421-21rtkit-daemon09:49:050
814099775,21cyclictest0-21swapper/105:29:231
814099775,21cyclictest0-21swapper/105:29:231
8140997724,9cyclictest30217-21unixbench_singl10:19:321
8140997714,10cyclictest1286-21runrttasks08:29:111
242299770,4rtkit-daemon2421-21rtkit-daemon10:48:100
242299770,4rtkit-daemon2421-21rtkit-daemon09:43:050
242299770,4rtkit-daemon2421-21rtkit-daemon09:43:050
242299770,4rtkit-daemon2421-21rtkit-daemon09:10:060
242299770,4rtkit-daemon2421-21rtkit-daemon07:35:100
242299770,4rtkit-daemon2421-21rtkit-daemon07:16:100
814099764,27cyclictest0-21swapper/109:34:341
814099764,25cyclictest0-21swapper/110:38:301
814099754,30cyclictest0-21swapper/109:32:501
814099754,21cyclictest0-21swapper/108:24:101
814099754,12cyclictest0-21swapper/105:39:191
8140997517,11cyclictest0-21swapper/108:43:591
242299750,4rtkit-daemon2421-21rtkit-daemon07:20:100
242299750,4rtkit-daemon2421-21rtkit-daemon06:55:110
814099744,26cyclictest0-21swapper/108:08:011
8140997419,7cyclictest23930-21cat06:59:021
814099724,28cyclictest0-21swapper/108:09:091
814099724,21cyclictest0-21swapper/105:59:161
814099724,13cyclictest31202-21telnet06:09:121
813799686,16cyclictest0-21swapper/005:29:060
814099674,13cyclictest0-21swapper/109:04:061
8137996422,19cyclictest0-21swapper/006:44:040
242299640,4rtkit-daemon25597-21runrttasks05:56:360
813799634,39cyclictest0-21swapper/007:09:270
813799634,39cyclictest0-21swapper/007:09:270
263822634,50sleep30-21swapper/309:09:203
242299620,5rtkit-daemon20759-21df_inode08:59:140
8142996128,23cyclictest21892-21latency_hist07:59:003
813799617,28cyclictest0-21swapper/007:09:020
39382613,50sleep00-21swapper/008:24:300
242299610,8rtkit-daemon0-21swapper/106:20:430
242299610,8rtkit-daemon0-21swapper/106:20:430
242299610,5rtkit-daemon2421-21rtkit-daemon09:57:571
242299610,4rtkit-daemon14552-21munin-node07:44:240
242299610,4rtkit-daemon11817-21iostat_ios09:44:200
814299603,27cyclictest0-21swapper/306:54:173
813799604,13cyclictest0-21swapper/008:54:270
8137996018,24cyclictest0-21swapper/006:14:250
242299600,6rtkit-daemon0-21swapper/108:34:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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