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2024-05-27 - 09:08

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 Mon May 27, 2024 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
819501800,0irq/47-4a10000011766-21runrttasks19:09:360
81850810,0irq/46-4a10000029874-21kworker/u2:221:21:230
81950790,0irq/47-4a10000026544-21ssh23:24:570
81850790,0irq/46-4a10000017490-21ssh23:04:240
81950780,0irq/47-4a10000023389-21sendmail-mta22:05:000
81850780,0irq/46-4a1000009800-21kworker/u2:222:50:040
81850780,0irq/46-4a1000002439-21runrttasks23:43:420
81850780,0irq/46-4a10000024124-21rm23:19:280
81850780,0irq/46-4a10000021948-21rm00:28:410
81850780,0irq/46-4a10000021264-21rm23:12:520
81850780,0irq/46-4a10000015105-21kworker/u2:421:47:420
81850780,0irq/46-4a10000011106-21kworker/u2:522:55:350
71932787,0sleep07199-21ssh22:41:110
81850770,0irq/46-4a1000002280-21runrttasks23:26:010
81950760,0irq/47-4a1000008739-21ssh21:32:230
81950760,0irq/47-4a1000006851-21snmpd21:19:050
81950760,0irq/47-4a10000024452-21ssh22:07:190
81850760,0irq/46-4a1000009576-21chrt23:59:560
81850760,0irq/46-4a1000003694-21rm22:33:270
81850760,0irq/46-4a1000003628-21kworker/u2:223:50:340
81850760,0irq/46-4a10000031150-21seq23:35:080
81850760,0irq/46-4a10000031084-21diskmemload22:24:190
81850760,0irq/46-4a10000030698-21ssh23:34:200
81850760,0irq/46-4a10000025471-21seq00:37:280
81850760,0irq/46-4a10000020891-21ssh21:59:310
81850760,0irq/46-4a10000019075-21ssh23:07:570
81850760,0irq/46-4a10000013969-21latency_hist00:10:060
81850760,0irq/46-4a10000013518-21rm21:43:010
81950750,0irq/47-4a10000032179-21ssh21:12:220
81950750,0irq/47-4a10000031094-21ssh21:10:020
81850750,0irq/46-4a1000007330-21ssh21:29:200
81850750,0irq/46-4a10000020359-21munin-run00:25:010
81850750,0irq/46-4a10000018895-21ssh21:55:020
81850750,0irq/46-4a10000010753-21ssh21:36:500
81850740,0irq/46-4a10000032480-21ssh22:25:120
81850740,0irq/46-4a10000031084-21diskmemload23:47:350
81850740,0irq/46-4a10000025457-21apt-get20:35:040
81850740,0irq/46-4a10000024397-21runrttasks00:34:420
81850740,0irq/46-4a10000012894-21ssh22:54:000
81850740,0irq/46-4a10000010221-21ssh00:01:130
56662740,0chrt22013-21kworker/u2:322:37:530
81950730,0irq/47-4a10000030339-21apt21:05:010
81850730,0irq/46-4a10000028006-21rm22:15:110
81850730,0irq/46-4a10000024294-21kworker/u2:122:14:390
81850730,0irq/46-4a10000024262-21kworker/u2:020:35:050
81850730,0irq/46-4a10000013364-21kworker/u2:119:25:090
81850730,0irq/46-4a10000013325-21ssh00:08:410
135072730,0sleep013368-21kworker/u2:619:17:590
81950720,0irq/47-4a1000005938-21kworker/u2:519:13:360
81850720,0irq/46-4a10000027900-21munin-run20:50:010
81850720,0irq/46-4a10000020118-21kworker/u2:420:15:030
81850720,0irq/46-4a10000017341-21seq19:40:360
269992720,0sleep026760-21kworker/u2:120:43:490
236702720,0sleep023506-21kworker/u2:520:22:440
207112720,0sleep019723-21kworker/u2:220:03:150
144812720,0sleep014025-21kworker/u2:719:24:450
81950710,0irq/47-4a10000028980-21sshd20:55:210
227332710,0chrt20118-21kworker/u2:420:16:450
188072710,0chrt16484-21kworker/u2:019:50:290
185932700,0chrt18217-21kworker/u2:219:49:430
179192700,0sleep013864-21kworker/u2:400:19:180
169262700,0chrt16484-21kworker/u2:019:40:000
283622690,0sleep028342-21kworker/u2:520:51:200
81850680,0irq/46-4a10000024705-21munin-run20:30:020
81850650,0irq/46-4a10000020135-21munin-run20:00:020
11871994924,0cyclictest0-21swapper20:08:000
11871994732,0cyclictest15537-21latency_hist19:30:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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