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2023-12-04 - 08:12

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 792 highest latencies:
System rack9slot8s.osadl.org (updated Mon Dec 04, 2023 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
819501660,0irq/47-4a10000014507-21kworker/u2:219:05:220
81850840,0irq/46-4a10000019753-21ssh23:01:130
81850820,0irq/46-4a10000021671-21ssh21:51:120
81950810,0irq/47-4a1000007305-21ssh22:32:470
81950810,0irq/47-4a10000014716-21ssh22:49:480
81850800,0irq/46-4a1000003355-21ssh23:38:220
81950790,0irq/47-4a10000026077-21http20:05:050
81950790,0irq/47-4a1000002245-21snmpd21:49:150
81950790,0irq/47-4a10000013893-21ssh21:33:430
81850790,0irq/46-4a1000003431-21diskmemload00:40:030
81850790,0irq/46-4a10000018891-21ssh22:59:280
90482780,0chrt7141-21kworker/u2:523:51:260
81950780,0irq/47-4a10000024282-21ssh00:27:370
81950780,0irq/47-4a1000001708-21apt-get22:21:060
81850780,0irq/46-4a10000029458-21ssh23:23:420
81850780,0irq/46-4a10000027637-21ssh22:05:010
81850780,0irq/46-4a10000010734-21ssh22:40:280
81950770,0irq/47-4a1000003453-21ssh21:10:040
81950770,0irq/47-4a10000030797-21rm23:26:420
81850770,0irq/46-4a100000480-21kworker/u2:300:07:430
81850770,0irq/46-4a10000030494-21ssh22:11:260
81850770,0irq/46-4a10000021634-21kworker/u2:722:15:390
81850770,0irq/46-4a10000015123-21ssh21:36:240
81950760,0irq/47-4a1000006064-21apt22:30:010
81950760,0irq/47-4a10000026035-21munin-run20:05:030
81950760,0irq/47-4a10000024045-21ssh23:11:070
81950760,0irq/47-4a10000023807-21munin-run19:50:030
81950760,0irq/47-4a10000023124-21ssh23:09:100
81950760,0irq/47-4a10000010313-21ssh21:25:230
81850760,0irq/46-4a1000007970-21ssh21:20:070
81850760,0irq/46-4a1000005070-21ssh23:42:170
81850760,0irq/46-4a10000026285-21ssh23:16:190
81850760,0irq/46-4a10000020679-21runrttasks19:28:490
81850760,0irq/46-4a10000019754-21ssh00:16:490
81850760,0irq/46-4a10000019709-21kworker/u2:200:20:470
81850760,0irq/46-4a10000017576-21ssh00:11:380
81850760,0irq/46-4a10000012694-21cron00:00:100
179502760,0chrt17415-21kworker/u2:119:13:150
112982760,0chrt11148-21kworker/u2:123:56:360
81950750,0irq/47-4a1000007870-21munin-run21:20:020
81950750,0irq/47-4a10000018152-21ssh21:43:190
81850750,0irq/46-4a1000008981-21ssh22:36:340
81850750,0irq/46-4a1000007606-21ssh23:48:100
81850750,0irq/46-4a1000003705-21ssh21:10:260
81850750,0irq/46-4a10000032401-21ssh23:30:210
81850750,0irq/46-4a10000029913-21cron20:30:010
81850750,0irq/46-4a10000029664-21ssh22:09:400
81850750,0irq/46-4a10000028443-21munin-run20:20:010
81850750,0irq/46-4a10000023884-21ssh21:56:180
195992750,0sleep017415-21kworker/u2:119:21:000
160062750,0sleep010421-21kworker/u2:322:52:400
15642750,0chrt1530-21kworker/u2:220:57:190
81850740,0irq/46-4a10000028712-21kworker/u2:320:35:010
81850740,0irq/46-4a10000026040-21ssh00:31:480
226682740,0chrt22592-21kworker/u2:319:41:530
81850730,0irq/46-4a10000021865-21runrttasks19:36:320
81850730,0irq/46-4a10000018488-21ssh19:15:130
241542730,0chrt24086-21kworker/u2:319:52:030
210852730,0chrt18912-21kworker/u2:519:31:090
81950720,0irq/47-4a10000025254-21cron20:00:010
81850720,0irq/46-4a10000027280-21sshd20:11:480
309382720,0sleep030205-21kworker/u2:120:36:280
81950710,0irq/47-4a1000002245-21snmpd20:54:000
81950710,0irq/47-4a1000002118-21runrttasks21:00:320
287622710,0sleep028711-21kworker/u2:120:21:370
319852690,0chrt31727-21kworker/u2:520:43:460
81950630,0irq/47-4a10000020447-21kworker/u2:220:46:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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