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2024-04-24 - 06:19

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 100 highest latencies:
System rack9slot8s.osadl.org (updated Wed Apr 24, 2024 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
818502030,0irq/46-4a10000032478-21kworker/0:219:06:110
11679910985,0cyclictest12094-21ssh23:17:560
11679910475,0cyclictest23193-21ssh23:42:500
11679910284,0cyclictest14181-21ssh23:22:340
11679910283,0cyclictest5883-21ssh23:03:580
11679910281,0cyclictest8107-21ssh23:08:590
11679910179,0cyclictest8755-21ssh00:26:010
11679910179,0cyclictest21781-21ssh23:39:470
11679910082,0cyclictest30257-21ssh22:45:360
11679910082,0cyclictest22439-21ssh21:15:450
11679910082,0cyclictest1138-21apt-get19:10:340
11679910077,0cyclictest20305-21runrttasks21:10:590
11679910075,0cyclictest25416-21ssh23:47:490
11679910070,0cyclictest18880-21sshd23:33:170
1167999981,0cyclictest21216-21ssh22:25:060
1167999978,0cyclictest23475-21ssh22:30:110
1167999976,0cyclictest27964-21ssh22:40:200
1167999879,0cyclictest6659-21ssh21:52:380
1167999877,0cyclictest20667-21ssh22:24:020
1167999876,0cyclictest6010-21ssh00:18:300
1167999876,0cyclictest2804-21ssh00:10:320
1167999876,0cyclictest1687-21ssh21:41:330
1167999876,0cyclictest1596-21ssh22:54:210
1167999875,0cyclictest12384-21ssh22:05:100
1167999867,0cyclictest31924-21chrt00:02:370
1167999866,0cyclictest28670-21sed23:55:040
1167999863,0cyclictest15397-21ssh22:12:050
1167999777,0cyclictest3981-21ssh21:46:370
1167999776,0cyclictest30768-21ssh21:34:150
1167999776,0cyclictest16001-21modprobe20:45:010
1167999775,0cyclictest24862-21ssh21:20:570
1167999768,0cyclictest9572-21ssh21:59:030
1167999764,0cyclictest26891-21sshd22:38:050
1167999679,0cyclictest10450-21ssh22:00:510
1167999677,0cyclictest12529-21ssh00:36:410
1167999676,0cyclictest10600-21ssh23:14:400
1167999674,0cyclictest633-21ssh00:05:180
1167999672,0cyclictest18239-21ssh22:18:320
1167999578,0cyclictest11489-21ssh00:33:550
1167999573,0cyclictest31871-21ssh21:36:360
1167999567,0cyclictest2112-21ssh22:55:180
1167999567,0cyclictest15675-21runrttasks23:25:520
1167999565,0cyclictest26720-21find21:25:090
1167999476,0cyclictest30342-21ssh23:59:010
1167999475,0cyclictest8269-21ssh00:24:510
1167999376,0cyclictest10043-21latency_hist20:05:030
1167999371,0cyclictest14755-21sshd20:36:190
1167999363,0cyclictest4833-21latency_hist19:30:030
1167999275,0cyclictest14498-21modprobe20:35:010
1167999274,0cyclictest4044-21munin-run19:25:020
1167999274,0cyclictest13753-21awk20:30:010
1167999269,0cyclictest12255-21munin-run20:20:000
1167999174,0cyclictest16239-21sshd20:46:120
1167999171,0cyclictest7533-21sshd19:48:100
1167999171,0cyclictest6851-21snmpd19:58:180
1167999171,0cyclictest5939-21sshd19:37:300
1167999171,0cyclictest2340-21df19:15:090
1167999171,0cyclictest10755-21idleruntime-cro20:10:010
1167999074,0cyclictest19732-21munin-run21:10:020
1167999074,0cyclictest17282-21runrttasks20:53:350
1167999073,0cyclictest7038-21modprobe19:45:020
1167999072,0cyclictest12570-21chrt20:21:350
1167999070,0cyclictest8015-21runrttasks19:51:090
1167998971,0cyclictest5520-21munin-plugin-st19:35:010
1167998968,0cyclictest11502-21modprobe20:15:010
1167998869,0cyclictest18627-21seq21:02:180
1167998869,0cyclictest17834-21chrt20:57:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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