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2025-01-15 - 08:24

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 Wed Jan 15, 2025 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
818501560,0irq/46-4a10000023284-21runrttasks19:06:440
81950890,0irq/47-4a10000011570-21kworker/u2:300:11:490
81950880,0irq/47-4a10000028512-21ssh23:14:350
81950880,0irq/47-4a10000019989-21ssh22:53:290
81950870,0irq/47-4a10000021363-21ssh00:15:590
81950850,0irq/47-4a10000010855-21ssh21:12:140
81850850,0irq/46-4a10000010563-21chrt23:49:420
81950840,0irq/47-4a1000007756-21ssh23:42:580
81950840,0irq/47-4a1000007069-21ssh22:22:050
243812846,0sleep024384-21ssh23:04:190
81950830,0irq/47-4a1000004493-21munin-run23:35:010
81950830,0irq/47-4a10000030450-21sendmail-msp22:00:020
81950830,0irq/47-4a10000029572-21ssh00:36:310
81950830,0irq/47-4a10000027264-21ssh21:52:100
81950830,0irq/47-4a10000014711-21kworker/u2:621:23:070
81950830,0irq/47-4a10000011480-21ssh23:51:500
81950820,0irq/47-4a1000007333-21kworker/u2:623:58:190
81950820,0irq/47-4a10000029772-21ssh23:17:300
81950820,0irq/47-4a10000029257-21kworker/u2:123:36:280
81950820,0irq/47-4a10000026707-21ssh23:10:030
81950820,0irq/47-4a10000025757-21kworker/u2:000:31:070
81950820,0irq/47-4a10000024932-21ssh21:46:220
81950820,0irq/47-4a1000002479-21apt20:20:010
81950820,0irq/47-4a10000020624-21ssh21:35:410
81950820,0irq/47-4a10000017655-21ssh22:47:390
81950820,0irq/47-4a10000015377-21ssh00:01:160
81950820,0irq/47-4a10000012198-21ssh21:15:270
81950820,0irq/47-4a10000010689-21ssh22:30:480
81850820,0irq/46-4a10000020735-21seq22:55:080
81850820,0irq/46-4a10000018855-21ssh00:10:030
4442820,0chrt31488-21kworker/u2:120:05:560
81950810,0irq/47-4a1000008408-21munin-run21:00:020
81950810,0irq/47-4a1000003310-21ssh22:12:560
81950810,0irq/47-4a10000032693-21awk20:05:020
81950810,0irq/47-4a10000031535-21rm23:21:400
81950810,0irq/47-4a10000027808-21sshd19:33:150
81950810,0irq/47-4a10000025251-21ssh00:25:310
81950810,0irq/47-4a10000023324-21ssh00:20:420
81950810,0irq/47-4a10000022869-21sshd21:41:150
81950810,0irq/47-4a10000018917-21ssh21:31:530
81950810,0irq/47-4a10000017464-21ssh21:28:260
81950810,0irq/47-4a10000016185-21rm22:44:060
81950810,0irq/47-4a10000013830-21rm22:38:210
81950810,0irq/47-4a1000001317-21kworker/u2:322:29:450
81950810,0irq/47-4a1000001166-21ssh23:26:450
81950800,0irq/47-4a1000005682-21ssh22:18:510
81950800,0irq/47-4a10000030676-21ssh22:00:230
81950800,0irq/47-4a1000001771-21ssh22:09:160
95762790,0chrt1317-21kworker/u2:321:07:370
81950790,0irq/47-4a1000001317-21kworker/u2:320:45:010
81950780,0irq/47-4a1000008921-21sshd21:03:160
81950780,0irq/47-4a10000025129-21sshd19:16:150
70512780,0sleep01317-21kworker/u2:320:50:100
81950770,0irq/47-4a1000005325-21sshd20:39:150
81950770,0irq/47-4a10000025903-21sshd19:21:150
81950770,0irq/47-4a10000023855-21sshd19:10:160
81850770,0irq/46-4a10000029800-21kworker/u2:019:50:140
81850770,0irq/46-4a1000002280-21runrttasks19:57:070
291612760,0chrt29049-21kworker/u2:619:42:070
81850750,0irq/46-4a10000030251-21cron19:50:010
12012750,0chrt553-21kworker/u2:220:10:580
286332740,0chrt25178-21kworker/u2:119:39:000
81850730,0irq/46-4a1000006512-1kworker/u3:020:50:010
37132730,0chrt2462-21kworker/u2:220:28:050
81850720,0irq/46-4a1000002860-21seq20:22:070
42222720,0sleep03960-21kworker/u2:420:31:150
269232710,0chrt25178-21kworker/u2:119:28:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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