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2024-07-19 - 05:46

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #9, slot #8

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 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack9slot8s.osadl.org (updated Fri Jul 19, 2024 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
818501790,0irq/46-4a1000006152-21seq19:08:520
81950940,0irq/47-4a10000032700-21rm00:02:190
81950910,0irq/47-4a10000022049-21rm23:36:380
81950900,0irq/47-4a10000015685-21ssh22:04:370
81950890,0irq/47-4a10000011199-21sendmail19:40:030
81850890,0irq/46-4a10000019889-21ssh22:14:360
81950870,0irq/47-4a10000031354-21apt-get21:25:540
81950870,0irq/47-4a10000029090-21ssh21:19:460
81950870,0irq/47-4a10000028083-21ssh23:51:020
81950870,0irq/47-4a10000025509-21ssh21:11:110
81950860,0irq/47-4a10000031154-21ssh23:58:340
81950860,0irq/47-4a10000022505-21munin-run20:55:010
81950860,0irq/47-4a10000017826-21ssh23:26:330
81950860,0irq/47-4a10000013057-21rm00:35:520
81950860,0irq/47-4a10000011628-21ssh23:11:520
81850860,0irq/46-4a1000007988-21chrt21:46:090
81950850,0irq/47-4a1000005367-21grep21:40:040
81950850,0irq/47-4a10000025328-21rm23:44:380
81950850,0irq/47-4a10000024934-21diskmemload23:08:490
81950850,0irq/47-4a10000024593-21ssh22:25:360
81850850,0irq/46-4a10000030944-21chrt22:40:400
81950840,0irq/47-4a1000007070-21munin-run19:15:030
81950840,0irq/47-4a1000002974-21ssh00:09:340
81950840,0irq/47-4a10000027419-21ssh23:49:380
81950840,0irq/47-4a1000002172-21ssh22:49:390
81950830,0irq/47-4a1000007535-21ssh00:21:290
81950830,0irq/47-4a1000006851-21snmpd19:17:500
81950830,0irq/47-4a1000005229-21ssh00:15:250
81950830,0irq/47-4a10000024934-21diskmemload00:12:200
81950830,0irq/47-4a10000020292-21munin-run20:40:020
81950830,0irq/47-4a10000019349-21apt-config23:30:080
81950830,0irq/47-4a1000001654-21ssh21:31:180
81950830,0irq/47-4a10000014293-21ssh23:18:180
81950830,0irq/47-4a10000012261-21rm00:33:590
81850830,0irq/46-4a10000017809-21ssh22:09:380
81850830,0irq/46-4a10000010304-1kworker/u3:421:54:210
81950820,0irq/47-4a1000008992-21munin-run19:25:020
81950820,0irq/47-4a1000007982-21ssh23:03:130
81950820,0irq/47-4a1000005468-21rm21:40:090
81950820,0irq/47-4a10000027699-21ssh22:33:060
81950820,0irq/47-4a10000016056-21rm23:22:220
81950820,0irq/47-4a10000015651-21apt-get20:10:020
81950820,0irq/47-4a10000014419-21kworker/u2:620:20:060
81950820,0irq/47-4a10000011857-21ssh21:55:170
81950810,0irq/47-4a10000028993-21ssh22:36:050
81950810,0irq/47-4a1000002543-21ssh22:50:200
81950810,0irq/47-4a10000024934-21diskmemload22:58:280
81950810,0irq/47-4a10000024493-21kworker/u2:621:20:200
81950810,0irq/47-4a10000023684-21runrttasks21:02:360
81950810,0irq/47-4a10000022781-21ssh22:21:170
81950810,0irq/47-4a10000020553-21rm22:16:000
81850810,0irq/46-4a1000009058-21runrttasks00:25:230
81950800,0irq/47-4a1000006851-21snmpd20:13:010
81950800,0irq/47-4a10000018383-21kworker/u2:020:30:020
81950800,0irq/47-4a10000010173-21sshd19:32:500
81850800,0irq/46-4a10000016835-21chrt20:16:180
81950790,0irq/47-4a1000009684-21sshd19:29:520
81950790,0irq/47-4a10000012669-21cron19:50:020
81950790,0irq/47-4a10000011914-21sshd19:44:500
81950780,0irq/47-4a10000019130-1kworker/u3:120:35:020
81950780,0irq/47-4a10000017635-21kworker/u2:220:40:040
81950780,0irq/47-4a10000014387-21sshd20:00:510
81850780,0irq/46-4a1000006851-21snmpd21:05:380
81850780,0irq/46-4a10000023302-21wc21:00:030
81850760,0irq/46-4a10000014188-21lockfile-create20:00:010
81950750,0irq/47-4a10000021731-21sshd20:49:500
129472720,0chrt12265-21kworker/u2:019:51:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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