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2023-03-27 - 16:25

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 792 highest latencies:
System rack9slot5s.osadl.org (updated Mon Mar 27, 2023 12:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28733991312,1cyclictest68350irq/133-lan12:21:581
28733991312,1cyclictest68350irq/133-lan11:11:501
28733991312,1cyclictest68350irq/133-lan09:57:311
28733991312,1cyclictest68350irq/133-lan08:08:171
2187199130,2rtkit-daemon21870-21rtkit-daemon07:31:091
28733991212,0cyclictest68350irq/133-lan12:01:001
28733991211,1cyclictest68350irq/133-lan12:28:151
28733991211,1cyclictest68350irq/133-lan12:06:261
28733991211,1cyclictest68350irq/133-lan11:42:591
28733991211,1cyclictest68350irq/133-lan11:20:171
28733991211,1cyclictest68350irq/133-lan10:55:561
28733991211,1cyclictest68350irq/133-lan09:51:101
28733991211,1cyclictest68350irq/133-lan08:26:391
28733991211,1cyclictest22-21ksoftirqd/110:12:521
2187199120,1rtkit-daemon21870-21rtkit-daemon09:58:100
28733991111,0cyclictest68350irq/133-lan11:54:271
28733991111,0cyclictest68350irq/133-lan10:40:141
28733991111,0cyclictest68350irq/133-lan10:15:311
28733991111,0cyclictest68350irq/133-lan10:05:171
28733991111,0cyclictest68350irq/133-lan09:15:481
28733991111,0cyclictest68350irq/133-lan09:05:201
28733991111,0cyclictest68350irq/133-lan07:35:171
28733991111,0cyclictest68350irq/133-lan07:20:251
28733991111,0cyclictest68350irq/133-lan07:17:331
28733991110,1cyclictest68350irq/133-lan10:45:491
28733991110,1cyclictest68350irq/133-lan09:49:581
28733991110,1cyclictest68350irq/133-lan09:36:311
28733991110,1cyclictest68350irq/133-lan09:21:251
28733991110,1cyclictest68350irq/133-lan08:10:201
28733991110,1cyclictest68350irq/133-lan07:44:401
28733991110,1cyclictest68350irq/133-lan07:11:231
2187199110,1rtkit-daemon21870-21rtkit-daemon10:06:110
2873399109,1cyclictest68350irq/133-lan10:02:211
2873399109,1cyclictest68350irq/133-lan09:43:521
2873399109,1cyclictest68350irq/133-lan09:33:091
2873399109,1cyclictest68350irq/133-lan07:55:141
28733991010,0cyclictest68350irq/133-lan12:12:111
28733991010,0cyclictest68350irq/133-lan11:34:111
28733991010,0cyclictest68350irq/133-lan11:25:051
28733991010,0cyclictest68350irq/133-lan11:05:221
28733991010,0cyclictest68350irq/133-lan11:00:131
28733991010,0cyclictest68350irq/133-lan10:22:391
28733991010,0cyclictest68350irq/133-lan09:27:491
28733991010,0cyclictest68350irq/133-lan09:11:011
28733991010,0cyclictest68350irq/133-lan08:55:181
28733991010,0cyclictest68350irq/133-lan08:30:161
28733991010,0cyclictest68350irq/133-lan08:15:591
28733991010,0cyclictest68350irq/133-lan07:45:211
28733991010,0cyclictest68350irq/133-lan07:28:561
28733991010,0cyclictest68350irq/133-lan07:28:551
2187199100,2rtkit-daemon21870-21rtkit-daemon11:24:550
287339999,0cyclictest68350irq/133-lan11:17:461
287339999,0cyclictest68350irq/133-lan10:51:121
287339999,0cyclictest68350irq/133-lan10:36:151
287339999,0cyclictest68350irq/133-lan09:00:151
287339999,0cyclictest68350irq/133-lan08:50:191
287339998,1cyclictest68350irq/133-lan12:35:421
287339998,1cyclictest68350irq/133-lan11:46:241
287339998,1cyclictest68350irq/133-lan10:25:421
287339998,1cyclictest68350irq/133-lan08:00:151
287329998,1cyclictest18640-21lspci12:00:000
218719990,4rtkit-daemon1-21systemd07:08:220
218719990,1rtkit-daemon21870-21rtkit-daemon07:18:590
287339988,0cyclictest68350irq/133-lan12:30:221
287339988,0cyclictest68350irq/133-lan12:15:161
287339988,0cyclictest68350irq/133-lan10:30:171
287339988,0cyclictest68350irq/133-lan08:45:151
287339988,0cyclictest68350irq/133-lan08:35:211
287339987,1cyclictest68350irq/133-lan08:41:421
287339987,1cyclictest68350irq/133-lan08:21:561
287339987,1cyclictest68350irq/133-lan07:51:011
218719980,2rtkit-daemon21870-21rtkit-daemon11:56:031
218719980,1rtkit-daemon21870-21rtkit-daemon10:11:380
218719980,1rtkit-daemon21870-21rtkit-daemon09:06:060
287339977,0cyclictest68350irq/133-lan11:36:121
218719970,2rtkit-daemon26526-21munin-node12:27:010
287329965,1cyclictest5974-21snmpd12:11:090
287329965,1cyclictest5974-21snmpd11:02:100
287329965,1cyclictest5974-21snmpd09:26:100
287329965,1cyclictest5974-21snmpd09:03:540
287329964,2cyclictest5974-21snmpd11:50:110
287329964,2cyclictest5974-21snmpd11:06:340
287329964,2cyclictest5974-21snmpd10:26:450
287329964,2cyclictest5974-21snmpd09:50:140
287329964,2cyclictest5974-21snmpd08:58:270
287329964,2cyclictest20890-21cat08:30:170
218719960,0rtkit-daemon21870-21rtkit-daemon07:42:350
287329954,1cyclictest5974-21snmpd12:15:240
287329954,1cyclictest5974-21snmpd12:02:000
287329954,1cyclictest5974-21snmpd10:31:100
287329954,1cyclictest5974-21snmpd10:16:290
287329954,1cyclictest5974-21snmpd09:15:220
287329954,1cyclictest5974-21snmpd09:12:510
287329954,1cyclictest5974-21snmpd08:28:230
287329954,1cyclictest5974-21snmpd08:20:470
287329954,1cyclictest5974-21snmpd07:10:100
287329953,2cyclictest5974-21snmpd12:36:430
287329953,2cyclictest5974-21snmpd10:39:090
287329953,2cyclictest5974-21snmpd10:03:020
287329953,2cyclictest5974-21snmpd08:40:260
287329953,2cyclictest5974-21snmpd07:35:250
287329953,2cyclictest2775-21cat07:30:160
287329953,2cyclictest21157-21apt-get10:20:140
287329952,2cyclictest5974-21snmpd10:43:000
287329952,2cyclictest5974-21snmpd08:49:510
287329952,2cyclictest5656-20systemd-journal11:27:480
287329950,5cyclictest12-21ksoftirqd/007:49:530
218719950,0rtkit-daemon21870-21rtkit-daemon10:55:380
218719950,0rtkit-daemon21870-21rtkit-daemon08:09:450
218719950,0rtkit-daemon21870-21rtkit-daemon07:58:160
287329944,0cyclictest0-21swapper/009:36:030
287329943,1cyclictest5974-21snmpd12:20:540
287329943,1cyclictest30517-21grep10:50:200
287329943,1cyclictest12-21ksoftirqd/009:45:020
287329943,1cyclictest12-21ksoftirqd/008:15:140
287329942,2cyclictest5974-21snmpd11:40:590
287329942,2cyclictest5974-21snmpd11:30:440
287329942,2cyclictest5974-21snmpd08:00:400
287329942,2cyclictest5281-21diskstats11:15:150
287329942,2cyclictest21397-21grep12:05:340
287329942,2cyclictest11396-21smartctl11:35:260
287329941,2cyclictest846-21apt-get07:25:120
287329941,2cyclictest846-21apt-get07:25:120
287329941,2cyclictest5974-21snmpd09:32:550
287329941,2cyclictest5974-21snmpd07:50:250
287329941,2cyclictest5656-20systemd-journal08:50:480
287329941,2cyclictest5656-20systemd-journal08:11:480
287329941,2cyclictest5015-21lldpd07:20:180
287329941,2cyclictest2974-21apt-get09:20:170
287329941,2cyclictest27919-21apt-get12:30:200
287329940,4cyclictest32248-21diskmemload11:11:360
287329940,3cyclictest5656-20systemd-journal09:45:000
287329940,3cyclictest5015-21lldpd10:45:120
287329931,2cyclictest32248-21diskmemload11:45:130
287329931,1cyclictest22103-21apt-get08:35:130
287339920,2cyclictest28736-21grep07:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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