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2023-01-29 - 17:50

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, 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 
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x86 Intel Core i9-10900K @3700 MHz, Linux 6.1.0-rc7-rt5 (Profile)

Latency plot of shadow in rack #0, slot #6
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot6s.osadl.org (updated Sun Jan 29, 2023 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4996720780,77pipewire-pulse0-21swapper/1919:06:1611
4992120750,73pipewire0-21swapper/1019:07:362
4992120730,71pipewire0-21swapper/119:05:331
4992120720,71pipewire0-21swapper/519:06:1015
4992120700,69pipewire0-21swapper/719:06:4217
4992120700,68pipewire0-21swapper/1219:09:054
4992120660,64pipewire0-21swapper/019:07:460
4992120640,63pipewire0-21swapper/1519:06:007
4992120640,62pipewire0-21swapper/1719:06:429
4992120630,62pipewire0-21swapper/619:06:2716
4992120610,60pipewire0-21swapper/819:07:0818
4992120610,60pipewire0-21swapper/1819:07:1310
4992120600,59pipewire0-21swapper/1419:09:276
4992120590,58pipewire0-21swapper/319:05:3813
4992120580,56pipewire0-21swapper/1119:08:263
4992120560,55pipewire0-21swapper/1619:06:268
4992120550,54pipewire0-21swapper/219:09:0012
38349692530,0sleep40-21swapper/400:02:3714
37425952520,0sleep00-21swapper/022:12:040
4992120510,50pipewire0-21swapper/1319:09:175
3586856995130,21cyclictest0-21swapper/420:39:3014
3586856995130,21cyclictest0-21swapper/420:39:3014
36754352480,0sleep190-21swapper/1920:52:1611
358684999486,35cyclictest0-21swapper/222:02:3012
3586856994732,0cyclictest0-21swapper/420:29:3514
358690599460,37cyclictest49909-10wireplumber19:59:4111
18170698460,45rtkit-daemon0-21swapper/919:06:5819
358690599450,44cyclictest49909-10wireplumber22:56:2011
358690599450,1cyclictest49909-10wireplumber00:05:5011
358687199450,44cyclictest0-21swapper/922:12:4219
358687199450,1cyclictest0-21swapper/921:29:3719
358686999450,44cyclictest0-21swapper/821:09:1318
358686999450,1cyclictest0-21swapper/821:03:3518
4992120440,43pipewire0-21swapper/419:09:2614
358690599440,43cyclictest0-21swapper/1920:06:0511
358690599440,37cyclictest0-21swapper/1923:36:5111
358690099440,42cyclictest0-21swapper/1821:17:3210
3586891994444,0cyclictest0-21swapper/1520:39:307
3586891994444,0cyclictest0-21swapper/1520:39:307
358687199440,43cyclictest49909-10wireplumber23:33:1419
358687199440,37cyclictest49909-10wireplumber23:13:0619
358687199440,37cyclictest49909-10wireplumber21:43:1319
358686999440,1cyclictest0-21swapper/823:59:0318
3586905994335,7cyclictest49909-10wireplumber19:40:2511
358690599430,42cyclictest0-21swapper/1923:57:3211
358690599430,42cyclictest0-21swapper/1920:46:1311
358690599430,37cyclictest49909-10wireplumber22:24:4111
358690599430,36cyclictest0-21swapper/1921:10:2111
358690599430,33cyclictest0-21swapper/1922:18:4911
358690599430,1cyclictest0-21swapper/1921:29:1911
358690099430,42cyclictest0-21swapper/1822:09:2710
358690099430,41cyclictest3864450-40tracker-miner-f00:38:5010
358690099430,41cyclictest3864450-40tracker-miner-f00:38:5010
358690099430,38cyclictest3825348-21ntpq23:50:2510
358690099430,0cyclictest0-21swapper/1820:46:5010
3586888994332,1cyclictest49909-10wireplumber00:15:476
3586885994343,0cyclictest0-21swapper/1320:39:305
3586885994343,0cyclictest0-21swapper/1320:39:305
358687199430,42cyclictest0-21swapper/922:16:4119
358687199430,38cyclictest0-21swapper/919:24:3519
358687199430,33cyclictest0-21swapper/900:35:1519
358687199430,33cyclictest0-21swapper/900:35:1519
3586869994335,5cyclictest0-21swapper/820:25:0118
358686999430,42cyclictest49909-10wireplumber19:59:3118
358686999430,36cyclictest0-21swapper/821:13:2418
36544482420,0sleep10-21swapper/120:26:361
358690599420,41cyclictest49909-10wireplumber23:00:0711
358690599420,40cyclictest0-21swapper/1921:08:1911
358690599420,37cyclictest0-21swapper/1900:12:1711
358690599420,1cyclictest49909-10wireplumber19:16:2711
358690599420,1cyclictest0-21swapper/1923:20:1911
358690099420,33cyclictest0-21swapper/1822:10:0810
358689599420,41cyclictest0-21swapper/1621:48:068
358689599420,34cyclictest49909-10wireplumber22:25:488
358689199427,34cyclictest3763715-40tracker-miner-f22:39:567
358689199427,34cyclictest3763715-40tracker-miner-f22:39:567
3586871994233,8cyclictest0-21swapper/900:31:0119
358687199420,36cyclictest49909-10wireplumber20:21:4519
358686999420,36cyclictest0-21swapper/800:21:1818
358686999420,33cyclictest49909-10wireplumber19:49:2218
3586866994241,0cyclictest0-21swapper/720:17:0717
37173362410,0sleep150-21swapper/1521:41:177
3586905994131,9cyclictest0-21swapper/1923:13:2911
358690599410,35cyclictest0-21swapper/1921:38:5711
358690599410,33cyclictest0-21swapper/1921:23:0111
358690599410,0cyclictest0-21swapper/1923:15:5711
358690599410,0cyclictest0-21swapper/1900:26:5611
3586900994134,7cyclictest49909-10wireplumber23:56:2710
358690099410,36cyclictest49909-10wireplumber23:31:4010
358690099410,34cyclictest49909-10wireplumber20:22:4810
358690099410,0cyclictest0-21swapper/1820:09:0610
358689599410,33cyclictest49909-10wireplumber20:42:558
358689599410,33cyclictest49909-10wireplumber20:42:548
3586871994133,6cyclictest0-21swapper/920:46:5019
3586871994133,6cyclictest0-21swapper/900:29:2319
3586871994132,9cyclictest49909-10wireplumber23:37:2119
358687199410,40cyclictest0-21swapper/920:50:5819
358687199410,34cyclictest0-21swapper/919:49:3519
358687199410,0cyclictest0-21swapper/923:49:5519
3586869994135,6cyclictest0-21swapper/823:20:0518
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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