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2023-03-21 - 05:28

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 376 highest latencies:
System rack9slot5s.osadl.org (updated Tue Mar 21, 2023 00:43:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27825991312,1cyclictest68350irq/133-lan00:21:531
27825991212,0cyclictest68350irq/133-lan21:07:091
27825991211,1cyclictest68350irq/133-lan23:54:041
27825991211,1cyclictest68350irq/133-lan23:41:391
27825991211,1cyclictest68350irq/133-lan23:10:201
27825991211,1cyclictest68350irq/133-lan22:35:241
27825991211,1cyclictest68350irq/133-lan21:48:531
27825991211,1cyclictest68350irq/133-lan21:31:291
27825991211,1cyclictest68350irq/133-lan20:35:191
27825991211,1cyclictest68350irq/133-lan20:15:291
27825991211,1cyclictest68350irq/133-lan00:25:171
27825991111,0cyclictest68350irq/133-lan23:58:451
27825991111,0cyclictest68350irq/133-lan23:06:271
27825991111,0cyclictest68350irq/133-lan22:40:431
27825991111,0cyclictest68350irq/133-lan22:11:581
27825991111,0cyclictest68350irq/133-lan21:39:511
27825991111,0cyclictest68350irq/133-lan19:40:191
27825991111,0cyclictest68350irq/133-lan19:32:331
27825991110,1cyclictest68350irq/133-lan23:47:131
27825991110,1cyclictest68350irq/133-lan22:58:411
27825991110,1cyclictest68350irq/133-lan22:33:391
27825991110,1cyclictest68350irq/133-lan22:15:171
27825991110,1cyclictest68350irq/133-lan21:59:581
27825991110,1cyclictest68350irq/133-lan21:52:011
27825991110,1cyclictest68350irq/133-lan21:42:071
27825991110,1cyclictest68350irq/133-lan21:24:241
27825991110,1cyclictest68350irq/133-lan20:30:381
27825991110,1cyclictest68350irq/133-lan19:15:261
27825991110,1cyclictest68350irq/133-lan00:30:151
27825991110,1cyclictest68350irq/133-lan00:05:291
2187199110,4rtkit-daemon5015-21lldpd19:06:201
2782599109,1cyclictest68350irq/133-lan22:52:221
2782599109,1cyclictest68350irq/133-lan21:15:251
2782599109,1cyclictest68350irq/133-lan20:00:171
2782599109,1cyclictest68350irq/133-lan19:27:411
2782599109,1cyclictest68350irq/133-lan19:20:231
27825991010,0cyclictest68350irq/133-lan23:25:171
27825991010,0cyclictest68350irq/133-lan23:20:181
27825991010,0cyclictest68350irq/133-lan23:19:081
27825991010,0cyclictest68350irq/133-lan21:00:191
27825991010,0cyclictest68350irq/133-lan20:55:221
27825991010,0cyclictest68350irq/133-lan20:45:181
27825991010,0cyclictest68350irq/133-lan19:50:261
27825991010,0cyclictest68350irq/133-lan00:36:581
27825991010,0cyclictest68350irq/133-lan00:10:161
27825991010,0cyclictest68350irq/133-lan00:00:491
2187199100,2rtkit-daemon21870-21rtkit-daemon20:49:060
2187199100,2rtkit-daemon21870-21rtkit-daemon20:42:070
278259999,0cyclictest68350irq/133-lan22:25:221
278259999,0cyclictest68350irq/133-lan21:27:261
278259999,0cyclictest68350irq/133-lan21:13:501
278259999,0cyclictest68350irq/133-lan20:50:221
278259999,0cyclictest68350irq/133-lan20:25:171
278259999,0cyclictest68350irq/133-lan20:20:191
278259999,0cyclictest68350irq/133-lan20:10:161
278259999,0cyclictest68350irq/133-lan19:55:181
278259999,0cyclictest68350irq/133-lan19:45:191
278259999,0cyclictest68350irq/133-lan00:17:131
278259998,1cyclictest68350irq/133-lan23:30:281
278259998,1cyclictest68350irq/133-lan22:45:211
278259998,1cyclictest68350irq/133-lan20:40:141
278259998,1cyclictest68350irq/133-lan19:10:181
278259988,0cyclictest68350irq/133-lan23:35:241
278259988,0cyclictest68350irq/133-lan23:01:531
278259988,0cyclictest68350irq/133-lan22:05:211
278259988,0cyclictest68350irq/133-lan22:00:151
278259987,1cyclictest68350irq/133-lan20:05:231
278259987,1cyclictest68350irq/133-lan19:35:041
278259977,0cyclictest68350irq/133-lan22:20:291
218719970,1rtkit-daemon21870-21rtkit-daemon23:52:180
218719970,1rtkit-daemon21870-21rtkit-daemon21:52:120
218719970,1rtkit-daemon21870-21rtkit-daemon00:07:470
278249965,1cyclictest5974-21snmpd00:14:540
278249964,2cyclictest5974-21snmpd23:02:390
278249964,2cyclictest5974-21snmpd19:57:550
278249964,2cyclictest5974-21snmpd19:25:380
278249964,2cyclictest5974-21snmpd19:18:150
278249964,2cyclictest5974-21snmpd19:10:140
278249963,3cyclictest5974-21snmpd22:56:410
278249963,2cyclictest5974-21snmpd23:24:150
278249963,2cyclictest5974-21snmpd22:03:090
278249963,2cyclictest5974-21snmpd21:10:080
218719960,5rtkit-daemon25804-21ntpd00:19:120
278249954,1cyclictest5974-21snmpd23:44:100
278249954,1cyclictest5974-21snmpd23:28:090
278249954,1cyclictest5974-21snmpd21:36:580
278249954,1cyclictest5974-21snmpd21:26:590
278249954,1cyclictest5974-21snmpd21:08:140
278249954,1cyclictest5974-21snmpd20:35:400
278249954,1cyclictest5974-21snmpd19:37:220
278249954,1cyclictest5974-21snmpd19:20:240
278249953,2cyclictest8313-21cron21:40:040
278249953,2cyclictest600-21dbus-daemon21:45:210
278249953,2cyclictest5974-21snmpd23:05:230
278249953,2cyclictest5974-21snmpd22:47:210
278249953,2cyclictest5974-21snmpd22:16:190
278249953,2cyclictest5974-21snmpd20:08:360
278249953,2cyclictest5974-21snmpd19:42:150
278249953,2cyclictest5974-21snmpd00:31:080
278249952,2cyclictest5974-21snmpd22:14:440
278249952,2cyclictest5656-20systemd-journal21:30:000
278249952,2cyclictest5656-20systemd-journal00:35:260
278249952,2cyclictest5015-21lldpd22:51:130
278249952,2cyclictest5015-21lldpd00:22:310
278249952,2cyclictest5015-21lldpd00:02:300
278249951,4cyclictest12-21ksoftirqd/022:38:560
278249951,3cyclictest5974-21snmpd21:55:390
278249951,2cyclictest16054-21python20:15:220
278249950,5cyclictest3731-21unixbench_singl21:20:260
278249950,5cyclictest31787-21diskmemload23:49:120
218719950,4rtkit-daemon25804-21ntpd19:34:370
278249944,0cyclictest16324-21apt-get22:05:190
278249944,0cyclictest0-21swapper/020:21:330
278249943,1cyclictest27962-21unixbench-2d22:40:310
278249942,2cyclictest600-21dbus-daemon19:50:250
278249942,2cyclictest5974-21snmpd23:39:580
278249942,2cyclictest5974-21snmpd20:03:090
278249942,2cyclictest27882-21grep19:10:000
278249942,2cyclictest20920-21df22:20:260
278249941,2cyclictest5974-21snmpd23:11:510
278249941,2cyclictest5974-21snmpd21:03:450
278249941,2cyclictest5974-21snmpd20:25:530
278249941,2cyclictest5974-21snmpd00:28:030
278249941,2cyclictest5656-20systemd-journal23:56:260
278249941,2cyclictest5656-20systemd-journal23:20:010
278249941,2cyclictest5015-21lldpd21:15:040
278249940,4cyclictest0-21swapper/022:26:020
278249940,3cyclictest5656-20systemd-journal20:54:590
278249940,3cyclictest5656-20systemd-journal20:31:260
278249940,1cyclictest14928-21latency_hist20:15:010
278249940,0cyclictest0-21swapper/019:48:400
218719940,0rtkit-daemon0-21swapper/023:33:010
278249931,2cyclictest27196-21tr20:55:130
278249931,1cyclictest23893-21apt-get22:30:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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