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2022-07-06 - 06:32

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #9, slot #5

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 Celeron G5905 @3500 MHz, Linux 5.10.47-rt46 (Profile)

Latency plot of shadow in rack #9, slot #5
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, Linux 4.9.20-rt16, x86_64 highest latencies:
System rack9slot5s.osadl.org (updated Wed Jul 06, 2022 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2187199130,2rtkit-daemon21870-21rtkit-daemon00:22:200
2187199120,2rtkit-daemon21870-21rtkit-daemon21:50:491
21494991212,0cyclictest68350irq/133-lan23:51:381
21494991212,0cyclictest68350irq/133-lan23:08:131
21494991211,1cyclictest68350irq/133-lan22:37:401
21494991211,1cyclictest68350irq/133-lan22:17:481
21494991211,1cyclictest68350irq/133-lan21:06:441
21494991211,1cyclictest68350irq/133-lan00:11:461
2187199110,1rtkit-daemon21870-21rtkit-daemon20:17:240
2187199110,1rtkit-daemon21870-21rtkit-daemon00:06:490
21494991111,0cyclictest68350irq/133-lan23:59:421
21494991111,0cyclictest68350irq/133-lan23:40:191
21494991111,0cyclictest68350irq/133-lan23:26:561
21494991111,0cyclictest68350irq/133-lan22:50:161
21494991111,0cyclictest68350irq/133-lan22:42:351
21494991111,0cyclictest68350irq/133-lan22:42:351
21494991111,0cyclictest68350irq/133-lan22:20:531
21494991111,0cyclictest68350irq/133-lan21:25:171
21494991111,0cyclictest68350irq/133-lan21:17:361
21494991111,0cyclictest68350irq/133-lan20:50:211
21494991111,0cyclictest68350irq/133-lan20:03:201
21494991111,0cyclictest68350irq/133-lan00:20:121
21494991110,1cyclictest68350irq/133-lan23:10:141
21494991110,1cyclictest68350irq/133-lan21:35:161
21494991110,1cyclictest68350irq/133-lan21:20:141
21494991110,1cyclictest68350irq/133-lan21:10:571
21494991110,1cyclictest68350irq/133-lan21:01:301
21494991110,1cyclictest68350irq/133-lan20:35:161
21494991110,1cyclictest68350irq/133-lan19:55:001
21494991110,1cyclictest68350irq/133-lan19:40:131
21494991110,1cyclictest68350irq/133-lan19:30:121
21494991110,1cyclictest68350irq/133-lan19:20:131
21494991110,1cyclictest68350irq/133-lan00:25:321
21494991110,1cyclictest68350irq/133-lan00:17:571
2187199100,4rtkit-daemon1-21systemd19:07:050
2149499109,1cyclictest68350irq/133-lan22:06:091
2149499109,1cyclictest68350irq/133-lan21:46:101
2149499109,1cyclictest68350irq/133-lan19:51:231
2149499109,1cyclictest68350irq/133-lan00:01:271
21494991010,0cyclictest68350irq/133-lan23:49:281
21494991010,0cyclictest68350irq/133-lan23:22:381
21494991010,0cyclictest68350irq/133-lan22:55:141
21494991010,0cyclictest68350irq/133-lan22:46:001
21494991010,0cyclictest68350irq/133-lan22:12:031
21494991010,0cyclictest68350irq/133-lan21:43:071
21494991010,0cyclictest68350irq/133-lan20:40:211
21494991010,0cyclictest68350irq/133-lan20:15:141
21494991010,0cyclictest68350irq/133-lan19:46:321
21494991010,0cyclictest68350irq/133-lan19:35:011
21494991010,0cyclictest68350irq/133-lan19:26:571
21494991010,0cyclictest68350irq/133-lan19:10:101
21494991010,0cyclictest68350irq/133-lan00:07:121
218719990,2rtkit-daemon21870-21rtkit-daemon00:26:130
218719990,1rtkit-daemon21870-21rtkit-daemon21:51:040
214949999,0cyclictest68350irq/133-lan23:30:131
214949999,0cyclictest68350irq/133-lan22:33:471
214949999,0cyclictest68350irq/133-lan21:32:101
214949999,0cyclictest68350irq/133-lan00:36:371
214949998,1cyclictest68350irq/133-lan23:39:551
214949998,1cyclictest68350irq/133-lan23:18:321
214949998,1cyclictest68350irq/133-lan23:00:191
214949998,1cyclictest68350irq/133-lan22:29:421
214949998,1cyclictest68350irq/133-lan20:30:191
214949998,1cyclictest68350irq/133-lan20:30:191
214949998,1cyclictest68350irq/133-lan20:26:501
214949988,0cyclictest68350irq/133-lan20:45:171
214949988,0cyclictest68350irq/133-lan20:20:121
214949988,0cyclictest68350irq/133-lan20:14:171
214949987,1cyclictest68350irq/133-lan00:33:281
218719970,1rtkit-daemon3088-21snmpd23:36:360
218719970,1rtkit-daemon3088-21snmpd20:36:550
218719970,0rtkit-daemon21870-21rtkit-daemon22:29:100
214949977,0cyclictest68350irq/133-lan22:02:041
214949977,0cyclictest68350irq/133-lan21:56:581
214949976,1cyclictest68350irq/133-lan19:15:181
214939974,2cyclictest3088-21snmpd22:12:520
214939974,2cyclictest3088-21snmpd19:58:310
218719960,5rtkit-daemon21492-21cyclictest23:44:310
218719960,1rtkit-daemon575-21rpcbind00:11:090
218719960,1rtkit-daemon1193-21sendmail-mta21:38:000
218719960,1rtkit-daemon1120-21gpm19:14:520
218719960,0rtkit-daemon21870-21rtkit-daemon22:20:210
214949965,1cyclictest3088-21snmpd20:59:151
214949964,2cyclictest6720-21cat20:05:141
214939965,1cyclictest3088-21snmpd23:45:430
214939965,1cyclictest3088-21snmpd23:29:310
214939965,1cyclictest3088-21snmpd20:40:170
214939965,1cyclictest3088-21snmpd20:13:580
214939965,1cyclictest3088-21snmpd00:18:300
214939964,2cyclictest3088-21snmpd23:53:130
214939964,2cyclictest3088-21snmpd22:52:060
214939964,2cyclictest3088-21snmpd21:15:030
214939964,2cyclictest3088-21snmpd20:59:360
214939964,2cyclictest3088-21snmpd20:05:090
214939964,2cyclictest3088-21snmpd19:33:500
214939964,2cyclictest3088-21snmpd00:37:380
218719950,4rtkit-daemon26222-21munin-node22:18:200
214939954,1cyclictest3088-21snmpd23:31:000
214939954,1cyclictest3088-21snmpd23:12:270
214939954,1cyclictest3088-21snmpd22:42:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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