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2024-04-27 - 15:06

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 highest latencies:
System rack9slot8s.osadl.org (updated Sat Apr 27, 2024 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1011890,0ktimersoftd/06851-21snmpd19:06:220
41099911531,0cyclictest11648-21rm00:16:320
41099911424,0cyclictest8228-21ssh21:48:430
41099911336,0cyclictest5358-21munin-node19:15:160
41099911330,0cyclictest22644-21diskmemload22:25:560
41099911328,0cyclictest3410-21ssh21:38:250
41099911328,0cyclictest30943-21ssh23:47:140
41099911328,0cyclictest27842-21ssh22:30:530
41099911327,0cyclictest19414-21ssh00:35:050
41099911323,0cyclictest1866-21ssh22:44:580
41099911320,0cyclictest28709-21rm23:42:320
41099911228,0cyclictest14454-21ssh22:02:090
41099911227,0cyclictest22002-21ssh23:28:080
41099911226,0cyclictest5161-21ssh21:41:580
41099911222,0cyclictest18082-21ssh00:31:590
41099911211,0cyclictest25764-21ssh23:36:100
41099911126,0cyclictest3805-21ssh22:48:570
41099911126,0cyclictest15052-21ssh23:13:100
41099911042,0cyclictest81850irq/46-4a10000022:54:460
41099911012,0cyclictest24828-21sh21:14:430
41099911010,0cyclictest1578-21ssh21:34:300
41099910935,0cyclictest9038-21latency_hist19:40:030
41099910934,0cyclictest27862-21ssh21:20:530
41099910933,0cyclictest9206-21rm00:10:460
41099910929,0cyclictest32761-21ssh23:50:580
41099910920,0cyclictest24561-21ssh23:33:400
41099910911,0cyclictest30035-21ssh22:35:210
41099910831,0cyclictest2207-21latency_hist23:55:040
41099910827,0cyclictest31050-21ssh21:27:580
4109991078,0cyclictest6893-21ssh22:55:310
41099910740,0cyclictest81850irq/46-4a10000022:16:500
41099910736,0cyclictest81850irq/46-4a10000022:10:570
41099910729,0cyclictest13353-21rm00:20:260
41099910713,0cyclictest19455-21apt-get20:50:030
41099910710,0cyclictest25057-21munin-run22:25:020
4109991069,0cyclictest16439-21ssh22:06:250
41099910631,0cyclictest18810-21rm23:21:080
41099910630,0cyclictest16473-21munin-run20:30:020
41099910628,0cyclictest11594-21rm23:05:420
41099910628,0cyclictest11495-21kworker/u2:020:00:030
41099910627,0cyclictest16451-21sh23:16:050
41099910625,0cyclictest6459-21ssh00:04:410
41099910621,0cyclictest11768-21ssh21:56:190
41099910610,0cyclictest9490-21ssh23:01:090
41099910530,0cyclictest16532-21rm00:28:140
41099910524,0cyclictest8069-21ssh00:08:200
41099910521,0cyclictest9766-21ssh21:51:590
41099910512,0cyclictest26741-21ssh21:18:490
41099910430,0cyclictest7068-21kworker/u2:519:45:000
41099910422,0cyclictest81950irq/47-4a10000021:05:010
41099910328,0cyclictest4107-21cyclictest20:39:000
41099910313,0cyclictest14220-21apt20:15:000
4109991029,0cyclictest10078-21sshd19:46:500
41099910227,0cyclictest14915-21seq20:19:460
41099910219,0cyclictest17215-21munin-run20:35:020
41099910216,0cyclictest6806-21latency_hist19:25:030
41099910211,0cyclictest11193-21sshd19:54:490
41099910126,0cyclictest8250-21apt19:35:010
41099910113,0cyclictest4899-21latency_hist19:15:030
41099910111,0cyclictest12082-21latency_hist20:00:040
41099910028,0cyclictest22098-21sshd21:05:490
41099910025,0cyclictest19454-21latency_hist20:50:060
41099910012,0cyclictest18718-21apt20:45:020
4109999925,0cyclictest13209-21sshd20:07:580
4109999912,0cyclictest15316-21sshd20:21:490
4109999812,0cyclictest7515-21munin-run19:30:010
4109999810,0cyclictest6851-21snmpd20:59:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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