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2023-11-28 - 20:37

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 here to display the system's profile data or here to proceed to next system.
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 376 highest latencies:
System rack9slot8s.osadl.org (updated Tue Nov 28, 2023 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
819501810,0irq/47-4a1000002245-21snmpd07:07:150
34572706,0sleep00-21swapper12:26:500
81950680,0irq/47-4a1000006565-21ssh12:33:460
81950680,0irq/47-4a1000003646-21ssh11:16:210
81950680,0irq/47-4a10000032082-21ssh09:56:030
81950680,0irq/47-4a10000024663-21ssh12:02:190
81850680,0irq/46-4a1000000-21swapper11:08:450
81950670,0irq/47-4a1000006513-1kworker/u3:610:13:180
81950670,0irq/47-4a1000005452-21ssh11:20:090
81950670,0irq/47-4a10000019679-21kworker/u2:112:14:150
81950670,0irq/47-4a10000019524-21kworker/u2:410:59:490
81950670,0irq/47-4a10000019295-21ssh09:27:500
81850670,0irq/46-4a1000000-21swapper07:15:130
263682679,0sleep025844-21apt-get12:05:470
81950660,0irq/47-4a1000004028-21ssh10:05:360
81950660,0irq/47-4a10000016479-21ssh11:44:350
81850660,0irq/46-4a10000026297-1kworker/u3:107:35:410
81850660,0irq/46-4a1000000-21swapper12:38:440
81850660,0irq/46-4a1000000-21swapper12:17:070
81850660,0irq/46-4a1000000-21swapper10:20:160
81850660,0irq/46-4a1000000-21swapper09:40:490
101660,0ktimersoftd/022708-21sh10:46:530
101660,0ktimersoftd/018784-21ssh10:38:190
81950650,0irq/47-4a100000414-21ssh12:20:100
81950650,0irq/47-4a10000016946-21ssh09:22:320
81850650,0irq/46-4a1000000-21swapper11:28:280
81850650,0irq/46-4a1000000-21swapper10:26:310
101650,0ktimersoftd/020354-21sh11:53:000
101650,0ktimersoftd/020081-21ssh10:41:020
81950640,0irq/47-4a1000008474-1kworker/u3:311:31:170
81850640,0irq/46-4a10000010906-21kworker/u2:209:10:570
81850640,0irq/46-4a1000000-21swapper10:34:010
101640,0ktimersoftd/07397-21runrttasks08:44:420
101640,0ktimersoftd/025211-21ssh10:52:250
101640,0ktimersoftd/011347-21diskmemload11:49:100
81950630,0irq/47-4a10000032382-21kworker/u2:510:00:490
81950630,0irq/47-4a10000021432-21ssh11:55:130
81950630,0irq/47-4a10000013890-21ssh11:38:550
81850630,0irq/46-4a10000028554-1kworker/u3:407:30:370
81850630,0irq/46-4a1000000-21swapper09:50:320
101630,0ktimersoftd/09266-21sh10:17:150
101630,0ktimersoftd/030060-21sh11:03:070
81950620,0irq/47-4a10000010160-21kworker/u2:509:35:230
81850620,0irq/46-4a1000008632-1kworker/u3:008:53:180
81850620,0irq/46-4a1000003464-21kworker/0:308:25:420
81850620,0irq/46-4a1000000-21swapper11:11:210
81950610,0irq/47-4a10000020988-21ssh09:31:350
81850610,0irq/46-4a1000007837-1kworker/u3:508:50:010
101610,0ktimersoftd/015119-21ssh09:18:310
81950600,0irq/47-4a1000008585-21kworker/u2:008:55:040
24810995947,0cyclictest81850irq/46-4a10000008:00:020
101590,0ktimersoftd/029180-21ssh09:49:510
101590,0ktimersoftd/00-21swapper08:10:280
101570,0ktimersoftd/00-21swapper07:54:150
81850560,0irq/46-4a1000003864-1kworker/u3:208:33:170
81850550,0irq/46-4a100000924-1kworker/u3:108:09:060
101550,0ktimersoftd/00-21swapper08:19:030
101540,0ktimersoftd/00-21swapper09:07:370
101540,0ktimersoftd/00-21swapper07:41:270
101540,0ktimersoftd/00-21swapper07:14:300
24810995343,0cyclictest101ktimersoftd/007:30:030
24810995140,0cyclictest81850irq/46-4a10000008:35:120
24810994938,0cyclictest81850irq/46-4a10000008:25:020
101490,0ktimersoftd/00-21swapper08:00:040
24810994838,0cyclictest101ktimersoftd/007:50:010
24810994833,0cyclictest10613-21munin-run09:05:020
24810994729,0cyclictest27146-21runrttasks07:22:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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