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2024-11-23 - 20:44

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 Sat Nov 23, 2024 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
819501930,0irq/47-4a10000024326-21runrttasks07:06:270
81950920,0irq/47-4a10000012559-21rm09:14:140
81950910,0irq/47-4a10000011963-21ssh10:39:420
81950900,0irq/47-4a1000007023-21runrttasks10:25:570
81950900,0irq/47-4a1000006677-21ssh11:46:150
81950900,0irq/47-4a10000022395-21ssh12:23:140
81950890,0irq/47-4a10000019805-21rm09:33:550
81950890,0irq/47-4a10000019297-21ssh10:58:410
81950890,0irq/47-4a10000016874-21ssh12:10:100
1756528911,0sleep017571-21ssh09:27:320
81950880,0irq/47-4a1000006851-21snmpd10:31:140
81950880,0irq/47-4a10000017836-21ssh10:55:020
81950880,0irq/47-4a10000014356-21rm10:46:110
81950870,0irq/47-4a1000008852-21rm11:51:260
81950870,0irq/47-4a10000024993-21ssh12:29:200
81950870,0irq/47-4a10000011877-21ssh11:58:390
81850870,0irq/46-4a10000030662-21ssh11:26:300
81950860,0irq/47-4a1000006851-21snmpd11:06:240
81950860,0irq/47-4a1000006567-21http10:25:070
81950860,0irq/47-4a1000002801-21ssh10:15:080
81950860,0irq/47-4a10000023254-21ssh09:42:500
81950860,0irq/47-4a1000002117-21sendmail-mta08:45:300
81950860,0irq/47-4a10000020302-21rm11:00:590
81950860,0irq/47-4a1000001463-21ssh10:11:440
81950860,0irq/47-4a10000013697-21rm09:17:120
81950850,0irq/47-4a1000006851-21snmpd08:40:320
81950850,0irq/47-4a1000003173-21munin-run08:20:030
81950850,0irq/47-4a10000031656-21ssh10:05:300
81950850,0irq/47-4a10000028323-21ssh12:37:010
81950850,0irq/47-4a10000026248-21ssh09:50:520
81950850,0irq/47-4a10000025404-21ssh11:13:420
81950850,0irq/47-4a10000019626-21ssh12:16:440
81950850,0irq/47-4a10000015785-21rm12:07:440
81950850,0irq/47-4a10000013488-21rm12:02:180
81950850,0irq/47-4a10000010954-21diskmemload11:35:250
81950850,0irq/47-4a10000010954-21diskmemload09:56:190
81850850,0irq/46-4a10000026645-21sh11:16:410
81950840,0irq/47-4a1000008671-21apt-key08:55:060
81950840,0irq/47-4a10000028812-21ssh11:22:000
81950840,0irq/47-4a10000026678-21cron07:20:010
81950840,0irq/47-4a10000025325-21ssh09:48:340
81950840,0irq/47-4a10000010954-21diskmemload11:40:180
81850840,0irq/46-4a10000032285-21ssh11:30:130
81950830,0irq/47-4a10000021292-21ssh09:37:500
81950830,0irq/47-4a10000013516-21kworker/u2:009:22:090
81950830,0irq/47-4a10000013423-21rm10:43:470
81950830,0irq/47-4a10000013194-21kworker/u2:512:30:550
81950820,0irq/47-4a10000032208-21runrttasks07:56:490
81950820,0irq/47-4a10000030647-21ssh10:02:550
81950820,0irq/47-4a10000030068-21runrttasks07:42:170
81950820,0irq/47-4a10000025216-21seq07:12:340
81850820,0irq/46-4a1000006851-21snmpd08:50:370
81950810,0irq/47-4a1000005712-1kworker/u3:108:40:010
81950810,0irq/47-4a1000003148-21kworker/u2:408:30:000
81950810,0irq/47-4a1000003148-21kworker/u2:408:25:030
81950810,0irq/47-4a10000029090-21runrttasks07:35:320
81950810,0irq/47-4a10000028870-21sshd07:34:470
81850810,0irq/46-4a1000002280-21runrttasks09:04:200
81950800,0irq/47-4a1000004855-21sshd08:30:460
81950770,0irq/47-4a1000001994-21sshd08:11:460
277482770,0sleep025125-21kworker/u2:607:26:330
271812770,0sleep025125-21kworker/u2:607:22:530
81950760,0irq/47-4a100000749-21sshd08:03:460
81850750,0irq/46-4a10000031506-21runrttasks07:52:030
12402750,0sleep032216-21kworker/u2:308:06:390
81850700,0irq/46-4a10000010974-21ssh09:10:020
24810995034,0cyclictest30564-21runrttasks07:45:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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