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2024-05-26 - 08:50

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, 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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 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 rack0slot8s.osadl.org (updated Sun May 26, 2024 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2889911080,97ptp4l0-21swapper/119:06:381
94480890,84rtkit-daemon0-21swapper/1019:07:082
271727362,8sleep110-21swapper/1119:05:263
370626151,8sleep50-21swapper/519:09:577
351626049,9sleep60-21swapper/619:07:108
366725839,10sleep70-21swapper/719:09:239
343925645,9sleep00-21swapper/019:06:040
340325644,10sleep40-21swapper/419:05:316
84092540,0sleep70-21swapper/721:20:009
63012520,0sleep10-21swapper/122:40:141
263142520,0sleep00-21swapper/022:25:120
296412480,0sleep80-21swapper/821:05:1210
261162460,0sleep110-21swapper/1123:05:283
415799211,16cyclictest0-21swapper/423:20:016
414799213,11cyclictest0-21swapper/220:05:014
415799201,14cyclictest0-21swapper/420:10:006
414799203,12cyclictest0-21swapper/223:30:014
417299192,13cyclictest0-21swapper/723:20:019
414799193,10cyclictest0-21swapper/219:15:004
288991190,10ptp4l11993-21cat22:45:301
4189991816,1cyclictest0-21swapper/1020:05:012
417699180,17cyclictest0-21swapper/823:10:1510
417299182,11cyclictest17889-21kworker/u24:222:20:019
414799183,9cyclictest0-21swapper/221:50:014
414799183,11cyclictest0-21swapper/200:25:014
4134991815,2cyclictest968-21turbostat22:35:000
413499181,3cyclictest0-21swapper/019:10:200
288991180,1ptp4l21-21ksoftirqd/100:00:391
288991180,1ptp4l21-21ksoftirqd/100:00:381
288991180,0ptp4l0-21swapper/121:00:221
143822180,1sleep2261rcuc/222:50:164
417299172,9cyclictest0-21swapper/722:00:019
417299171,11cyclictest27848-21kworker/u24:023:35:019
417299170,16cyclictest0-21swapper/722:50:199
417299170,16cyclictest0-21swapper/720:10:219
414799174,8cyclictest0-21swapper/219:40:004
414199172,9cyclictest0-21swapper/100:10:011
414199172,9cyclictest0-21swapper/100:10:001
413499170,16cyclictest0-21swapper/023:40:250
288991170,1ptp4l0-21swapper/121:20:221
288991170,1ptp4l0-21swapper/100:15:221
288991170,0ptp4l0-21swapper/120:10:241
24832177,7sleep80-21swapper/819:05:2410
417699165,7cyclictest0-21swapper/820:44:5910
417699163,8cyclictest0-21swapper/820:35:0010
417699163,7cyclictest0-21swapper/800:10:0110
417699163,7cyclictest0-21swapper/800:10:0010
417699162,9cyclictest0-21swapper/819:45:0010
417299164,7cyclictest0-21swapper/700:00:019
416399162,8cyclictest0-21swapper/523:30:007
415799160,11cyclictest0-21swapper/420:35:006
414799163,8cyclictest0-21swapper/221:17:054
414799162,9cyclictest0-21swapper/221:40:014
413499164,7cyclictest0-21swapper/021:30:010
413499163,8cyclictest0-21swapper/022:24:590
288991160,1ptp4l21-21ksoftirqd/123:00:281
288991160,0ptp4l0-21swapper/123:55:171
288991160,0ptp4l0-21swapper/121:15:191
288991160,0ptp4l0-21swapper/120:40:141
418999151,10cyclictest0-21swapper/1000:25:012
417699152,8cyclictest0-21swapper/819:40:0010
417699152,8cyclictest0-21swapper/819:20:0010
417299154,7cyclictest0-21swapper/723:45:009
417299153,8cyclictest0-21swapper/720:10:019
417299151,9cyclictest0-21swapper/721:45:009
416799152,8cyclictest0-21swapper/600:15:018
416799152,8cyclictest0-21swapper/600:15:018
416399152,9cyclictest0-21swapper/522:15:007
413499153,8cyclictest0-21swapper/000:10:010
413499153,8cyclictest0-21swapper/000:10:000
413499153,7cyclictest0-21swapper/022:15:010
413499153,7cyclictest0-21swapper/021:20:320
413499152,8cyclictest0-21swapper/021:55:010
413499152,8cyclictest0-21swapper/020:45:380
288991150,6ptp4l0-21swapper/122:20:351
288991150,1ptp4l21-21ksoftirqd/122:15:011
288991150,1ptp4l21-21ksoftirqd/100:35:201
288991150,0ptp4l0-21swapper/120:35:261
4189991410,3cyclictest0-21swapper/1023:30:212
417299142,8cyclictest0-21swapper/720:00:019
417299142,7cyclictest1267-21kworker/u24:119:25:009
416799141,8cyclictest18661-21kworker/u24:120:35:018
416399143,7cyclictest0-21swapper/522:55:337
416399142,7cyclictest0-21swapper/520:20:017
415799141,9cyclictest0-21swapper/422:10:006
414799143,6cyclictest0-21swapper/219:35:004
414199142,8cyclictest0-21swapper/119:30:011
413499142,8cyclictest0-21swapper/020:50:010
413499142,7cyclictest0-21swapper/020:25:010
413499141,8cyclictest0-21swapper/021:20:000
288991140,1ptp4l21-21ksoftirqd/123:40:221
288991140,10ptp4l3662-21snmpd19:23:521
288991140,0ptp4l0-21swapper/123:45:211
288991140,0ptp4l0-21swapper/123:45:211
288991140,0ptp4l0-21swapper/122:50:181
288991140,0ptp4l0-21swapper/122:25:121
288991140,0ptp4l0-21swapper/121:55:141
288991140,0ptp4l0-21swapper/121:40:371
288991140,0ptp4l0-21swapper/120:45:291
288991140,0ptp4l0-21swapper/119:45:421
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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