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2022-09-25 - 03:50
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OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, 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 Core i3-8145UE @2200 MHz, Linux 5.10.27-rt36 (Profile)

Latency plot of shadow in rack #e, 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 highest latencies:
System rackeslot5s.osadl.org (updated Sun Sep 25, 2022 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11747993227,5cyclictest21340-21grep22:04:591
11747993226,3cyclictest31890-21diskmemload21:22:021
1174799310,30cyclictest0-21swapper/122:39:321
1174799310,28cyclictest31890-21diskmemload23:46:201
1174799300,30cyclictest0-21swapper/123:14:161
1174799300,29cyclictest1067-21ntp_states19:59:551
1174499300,2cyclictest29123-21ssh23:18:480
11747992929,0cyclictest0-21swapper/123:56:291
11747992928,1cyclictest0-21swapper/121:29:331
11747992927,2cyclictest0-21swapper/123:15:561
11747992927,2cyclictest0-21swapper/121:30:481
11747992927,2cyclictest0-21swapper/100:24:321
1174799290,29cyclictest31890-21diskmemload00:39:041
1174799290,29cyclictest27647-21snmpd00:03:071
1174799290,29cyclictest0-21swapper/121:19:341
1174799290,29cyclictest0-21swapper/100:17:051
1174799290,28cyclictest10664-21sh00:09:561
1174799290,28cyclictest0-21swapper/120:04:521
1174799290,1cyclictest6229-21grep21:49:551
1174799290,0cyclictest0-21swapper/122:11:101
11744992928,1cyclictest31890-21diskmemload21:48:390
11744992928,1cyclictest31890-21diskmemload21:39:140
11744992928,1cyclictest24013-21ntp_states21:35:000
1174499290,29cyclictest30790-21ssh23:52:280
1174499290,29cyclictest0-21swapper/022:16:450
1174499290,28cyclictest52950irq/127-eno122:36:130
1174499290,28cyclictest12503-21munin-run20:25:010
1174499290,1cyclictest20695-21ntpq00:14:580
1174499290,1cyclictest16235-21ntp_states23:05:070
11747992828,0cyclictest31890-21diskmemload22:05:131
11747992828,0cyclictest0-21swapper/123:50:041
11747992828,0cyclictest0-21swapper/123:42:151
11747992828,0cyclictest0-21swapper/123:21:101
11747992828,0cyclictest0-21swapper/121:50:581
11747992828,0cyclictest0-21swapper/121:10:171
11747992828,0cyclictest0-21swapper/119:24:581
11747992828,0cyclictest0-21swapper/100:25:031
11747992827,1cyclictest9059-21phc2sys-jitter22:25:051
11747992826,2cyclictest0-21swapper/122:30:091
11747992826,2cyclictest0-21swapper/121:56:041
1174799280,28cyclictest31890-21diskmemload23:30:201
1174799280,28cyclictest23913-21ntpq22:40:011
1174799280,28cyclictest0-21swapper/123:28:081
1174799280,28cyclictest0-21swapper/123:00:131
1174799280,28cyclictest0-21swapper/122:53:121
1174799280,28cyclictest0-21swapper/121:42:331
1174799280,28cyclictest0-21swapper/100:31:031
1174799280,28cyclictest0-21swapper/100:10:301
1174799280,0cyclictest31890-21diskmemload22:18:001
1174799280,0cyclictest0-21swapper/123:35:331
1174799280,0cyclictest0-21swapper/123:06:521
1174799280,0cyclictest0-21swapper/122:47:271
11744992828,0cyclictest31890-21diskmemload23:46:040
11744992828,0cyclictest31890-21diskmemload23:10:260
11744992828,0cyclictest31890-21diskmemload22:45:190
11744992828,0cyclictest31890-21diskmemload21:19:320
11744992828,0cyclictest0-21swapper/022:50:380
11744992828,0cyclictest0-21swapper/022:10:040
11744992828,0cyclictest0-21swapper/021:40:150
11744992828,0cyclictest0-21swapper/020:14:540
11744992828,0cyclictest0-21swapper/000:28:200
1174499280,28cyclictest31890-21diskmemload23:58:190
1174499280,28cyclictest31890-21diskmemload23:38:170
1174499280,28cyclictest31890-21diskmemload23:31:560
1174499280,28cyclictest31890-21diskmemload23:25:010
1174499280,28cyclictest31890-21diskmemload23:04:150
1174499280,28cyclictest31890-21diskmemload22:30:050
1174499280,28cyclictest31890-21diskmemload22:29:410
1174499280,28cyclictest31890-21diskmemload22:07:030
1174499280,28cyclictest31890-21diskmemload22:00:160
1174499280,28cyclictest31890-21diskmemload21:25:400
1174499280,28cyclictest31890-21diskmemload21:12:160
1174499280,28cyclictest31890-21diskmemload00:33:530
1174499280,28cyclictest31890-21diskmemload00:05:410
1174499280,28cyclictest0-21swapper/023:40:360
1174499280,28cyclictest0-21swapper/022:41:350
1174499280,28cyclictest0-21swapper/022:22:100
1174499280,28cyclictest0-21swapper/021:54:150
1174499280,28cyclictest0-21swapper/020:09:480
1174499280,28cyclictest0-21swapper/000:35:300
1174499280,0cyclictest0-21swapper/022:57:240
1174499280,0cyclictest0-21swapper/021:55:450
1174499280,0cyclictest0-21swapper/021:20:120
1174499280,0cyclictest0-21swapper/000:21:020
1174499280,0cyclictest0-21swapper/000:15:370
1174499280,0cyclictest0-21swapper/000:00:090
11747992727,0cyclictest0-21swapper/122:20:011
1174799270,0cyclictest0-21swapper/122:55:201
11744992727,0cyclictest31890-21diskmemload23:20:010
11744992727,0cyclictest0-21swapper/019:49:550
11744992726,1cyclictest17749-21munin-plugin-st19:25:010
11747992626,0cyclictest0-21swapper/120:34:551
11744992626,0cyclictest0-21swapper/020:59:550
11747992525,0cyclictest0-21swapper/120:54:481
11744992525,0cyclictest14487-21perf19:15:000
11747992424,0cyclictest0-21swapper/119:29:481
11744992424,0cyclictest0-21swapper/019:39:550
11744992222,0cyclictest0-21swapper/021:04:480
11744992222,0cyclictest0-21swapper/019:34:480
11747992020,0cyclictest0-21swapper/120:59:491
11747991818,0cyclictest26206-21apt-get19:44:491
11747991818,0cyclictest0-21swapper/119:14:541
11744991717,0cyclictest13126-21apt-get20:29:480
11744991716,1cyclictest15092-21apt-get19:19:480
11747991513,1cyclictest5375-21ntp_states20:09:541
11747991513,1cyclictest23316-21dpkg19:35:001
1174799150,1cyclictest29099-21ntp_states21:04:551
1174799150,1cyclictest213762sleep120:45:381
11744991513,1cyclictest22063-21diskstats20:49:510
11744991513,1cyclictest19009-21taskset19:25:500
11747991413,1cyclictest19060-21munin-plugin-st20:40:001
11747991313,0cyclictest0-21swapper/121:05:031
11747991313,0cyclictest0-21swapper/120:43:171
11747991313,0cyclictest0-21swapper/120:25:061
1174799130,13cyclictest0-21swapper/120:22:171
1174799130,13cyclictest0-21swapper/120:17:261
1174799130,13cyclictest0-21swapper/120:10:341
1174799130,13cyclictest0-21swapper/119:50:101
1174799130,13cyclictest0-21swapper/119:47:451
1174799130,13cyclictest0-21swapper/119:35:461
1174799130,13cyclictest0-21swapper/119:16:051
11744991313,0cyclictest0-21swapper/021:05:150
11744991313,0cyclictest0-21swapper/020:50:220
11744991313,0cyclictest0-21swapper/020:42:130
11744991313,0cyclictest0-21swapper/020:15:350
11744991313,0cyclictest0-21swapper/020:00:340
11744991313,0cyclictest0-21swapper/019:58:230
1174499130,13cyclictest0-21swapper/020:36:080
1174499130,13cyclictest0-21swapper/020:33:260
1174499130,13cyclictest0-21swapper/019:52:180
1174499130,0cyclictest0-21swapper/019:41:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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