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2025-11-26 - 10:07

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #6

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 rack0slot6s.osadl.org (updated Wed Nov 26, 2025 00:46:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21578072670,0sleep80-21swapper/819:22:5718
22930562640,0sleep170-21swapper/1722:03:419
22549882570,0sleep40-21swapper/421:18:0414
214394225651,3sleep160-21swapper/1619:09:068
214399425448,3sleep130-21swapper/1319:09:425
214392325247,3sleep180-21swapper/1819:08:4810
214380225243,6sleep90-21swapper/919:07:1819
214379325244,5sleep10-21swapper/119:07:111
214367025145,4sleep50-21swapper/519:05:3515
214391325043,4sleep80-21swapper/819:08:3718
214385324944,3sleep30-21swapper/319:07:5213
214401724845,2sleep60-21swapper/619:09:5616
214392024843,3sleep150-21swapper/1519:08:457
214386224841,4sleep110-21swapper/1119:08:013
214368024740,4sleep140-21swapper/1419:05:436
214378824638,5sleep170-21swapper/1719:07:079
214372324642,2sleep70-21swapper/719:06:1717
216599450,0ntpd0-21swapper/1020:06:082
214382424538,5sleep40-21swapper/419:07:3414
214382024537,5sleep20-21swapper/219:07:3112
214375024527,5sleep100-21swapper/1019:06:402
214376124336,4sleep190-21swapper/1919:06:4811
214437599428,33cyclictest0-21swapper/321:06:1713
214437599427,34cyclictest0-21swapper/300:21:1713
214368724134,4sleep00-21swapper/019:05:500
214372823730,4sleep120-21swapper/1219:06:214
214437199360,1cyclictest2254990-40tracker-miner-f21:18:3212
214437199340,33cyclictest2194607-40tracker-miner-f20:05:4912
214437199340,33cyclictest0-21swapper/219:32:0912
214437199340,33cyclictest0-21swapper/219:32:0812
2144406993332,1cyclictest205950irq/149-eno123:44:184
2144406993332,1cyclictest205950irq/149-eno120:49:044
214438099330,32cyclictest2144011-40tracker-miner-f19:10:0015
214437199330,32cyclictest0-21swapper/222:26:3012
214437199330,32cyclictest0-21swapper/221:08:0912
214437199330,32cyclictest0-21swapper/220:11:5712
2144406993232,0cyclictest205950irq/149-eno119:11:154
2144406993231,1cyclictest205950irq/149-eno123:49:404
2144406993231,1cyclictest205950irq/149-eno122:56:294
2144406993231,1cyclictest205950irq/149-eno122:56:284
2144406993231,1cyclictest205950irq/149-eno122:48:054
2144406993231,1cyclictest205950irq/149-eno122:48:054
2144406993231,1cyclictest205950irq/149-eno122:14:524
2144406993231,1cyclictest205950irq/149-eno121:05:464
2144406993231,1cyclictest205950irq/149-eno120:19:234
2144406993231,1cyclictest205950irq/149-eno119:36:154
2144406993231,1cyclictest205950irq/149-eno119:36:144
214439199320,31cyclictest2153502-40tracker-miner-f19:17:1417
214437199320,32cyclictest2276009-40tracker-miner-f21:42:4912
214437199320,32cyclictest0-21swapper/222:14:4012
214437199320,32cyclictest0-21swapper/221:03:3112
214437199320,31cyclictest0-21swapper/219:29:2612
214437199320,31cyclictest0-21swapper/219:23:2412
214437199320,31cyclictest0-21swapper/219:13:2112
214437199320,1cyclictest2229521-40tracker-miner-f20:47:2912
214437199320,0cyclictest0-21swapper/220:19:2312
214441399312,1cyclictest1861-21NetworkManager21:39:556
2144406993131,0cyclictest205950irq/149-eno123:05:324
2144406993130,1cyclictest205950irq/149-eno123:57:364
2144406993130,1cyclictest205950irq/149-eno122:42:034
2144406993130,1cyclictest205950irq/149-eno122:18:224
2144406993130,1cyclictest205950irq/149-eno121:53:394
2144406993130,1cyclictest205950irq/149-eno121:36:124
2144406993130,1cyclictest205950irq/149-eno121:13:094
2144406993130,1cyclictest205950irq/149-eno120:20:224
2144406993130,1cyclictest205950irq/149-eno120:14:394
214439199310,30cyclictest2373113-40tracker-miner-f23:37:0817
214439199310,30cyclictest2170526-40tracker-miner-f19:39:1517
214439199310,30cyclictest2170526-40tracker-miner-f19:39:1417
214438499310,0cyclictest0-21swapper/619:10:0116
214437199310,31cyclictest0-21swapper/222:46:5912
214437199310,31cyclictest0-21swapper/222:46:5912
214437199310,30cyclictest0-21swapper/221:27:4712
2144423993029,1cyclictest2546789-21usb-storage19:12:439
214442399300,0cyclictest0-21swapper/1720:24:079
2144413993023,7cyclictest0-21swapper/1419:52:006
2144406993029,1cyclictest205950irq/149-eno121:55:084
2144406993029,1cyclictest205950irq/149-eno121:43:024
2144406993029,1cyclictest205950irq/149-eno121:15:224
2144406993029,1cyclictest205950irq/149-eno121:00:554
2144406993029,1cyclictest205950irq/149-eno120:54:024
2144406993029,1cyclictest205950irq/149-eno119:59:094
2144371993030,0cyclictest0-21swapper/222:09:1712
2144371993029,1cyclictest0-21swapper/220:21:2212
2144371993029,1cyclictest0-21swapper/219:16:3912
2144371993028,2cyclictest0-21swapper/219:47:2812
2144371993027,3cyclictest2326560-40tracker-miner-f22:41:1012
2144406992929,0cyclictest205950irq/149-eno122:32:314
2144406992929,0cyclictest205950irq/149-eno100:25:074
2144406992928,1cyclictest205950irq/149-eno123:29:364
2144406992928,1cyclictest205950irq/149-eno123:03:104
2144406992928,1cyclictest205950irq/149-eno121:22:154
2144406992928,1cyclictest205950irq/149-eno119:41:154
2144406992928,1cyclictest205950irq/149-eno119:41:144
2144406992928,1cyclictest205950irq/149-eno119:16:034
2144406992928,1cyclictest205950irq/149-eno100:00:514
2144371992929,0cyclictest0-21swapper/220:04:4812
2144371992929,0cyclictest0-21swapper/219:35:2712
2144371992929,0cyclictest0-21swapper/219:35:2612
2144371992928,1cyclictest2356322-40tracker-miner-f23:18:2612
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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