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2025-11-25 - 06:49

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 Tue Nov 25, 2025 00:46:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3822642217202,9sleep40-21swapper/419:06:0114
38258926146,9sleep110-21swapper/1119:09:493
38243725447,4sleep170-21swapper/1719:08:159
38248225346,4sleep50-21swapper/519:08:4315
38244025346,4sleep190-21swapper/1919:08:1711
38225025144,4sleep130-21swapper/1319:05:495
38254125043,4sleep20-21swapper/219:09:1912
38245924945,2sleep70-21swapper/719:08:2517
38242524842,4sleep60-21swapper/619:08:0416
38236824843,3sleep10-21swapper/119:07:181
37921024842,3sleep80-21swapper/819:05:0518
38223024741,3sleep150-21swapper/1519:05:327
38225124538,4sleep140-21swapper/1419:05:516
38255524437,4sleep100-21swapper/1019:09:282
38230924436,5sleep180-21swapper/1819:06:3510
38230724335,5sleep160-21swapper/1619:06:338
216599430,41ntpd0-21swapper/919:05:2019
38226324233,6sleep30-21swapper/319:06:0013
38222724135,4sleep120-21swapper/1219:05:284
38253923831,4sleep00-21swapper/019:09:180
38296599350,34cyclictest0-21swapper/223:31:0312
383004993332,1cyclictest205950irq/149-eno123:39:174
383004993332,1cyclictest205950irq/149-eno121:26:304
38296599330,32cyclictest0-21swapper/223:19:4012
38296599330,32cyclictest0-21swapper/219:30:3412
38296599330,31cyclictest0-21swapper/219:23:5212
383004993232,0cyclictest205950irq/149-eno122:30:324
383004993232,0cyclictest205950irq/149-eno119:41:254
383004993231,1cyclictest205950irq/149-eno123:56:244
383004993231,1cyclictest205950irq/149-eno123:48:414
383004993231,1cyclictest205950irq/149-eno123:10:034
383004993231,1cyclictest205950irq/149-eno120:18:344
383004993231,1cyclictest205950irq/149-eno119:30:344
383004993231,1cyclictest205950irq/149-eno119:10:594
38296599320,31cyclictest0-21swapper/223:04:0012
38296599320,31cyclictest0-21swapper/221:26:0412
38296599320,31cyclictest0-21swapper/220:52:5012
38296599320,31cyclictest0-21swapper/220:52:5012
38296599320,0cyclictest0-21swapper/221:18:5912
382961993231,1cyclictest646685-21kworker/0:2+pm00:29:320
383004993131,0cyclictest205950irq/149-eno121:03:084
383004993131,0cyclictest205950irq/149-eno120:25:214
383004993131,0cyclictest205950irq/149-eno119:56:574
383004993130,1cyclictest205950irq/149-eno123:05:204
383004993130,1cyclictest205950irq/149-eno122:59:534
383004993130,1cyclictest205950irq/149-eno122:42:134
383004993130,1cyclictest205950irq/149-eno122:27:294
383004993130,1cyclictest205950irq/149-eno122:21:104
383004993130,1cyclictest205950irq/149-eno122:07:044
383004993130,1cyclictest205950irq/149-eno121:35:404
383004993130,1cyclictest205950irq/149-eno119:48:084
383004993130,1cyclictest205950irq/149-eno119:36:124
38296599310,31cyclictest0-21swapper/221:08:2112
38296599310,30cyclictest0-21swapper/221:58:4912
383004993030,0cyclictest205950irq/149-eno100:00:334
383004993029,1cyclictest205950irq/149-eno123:41:114
383004993029,1cyclictest205950irq/149-eno122:39:314
383004993029,1cyclictest205950irq/149-eno122:17:204
383004993029,1cyclictest205950irq/149-eno120:38:564
383004993029,1cyclictest205950irq/149-eno120:00:194
383004993029,1cyclictest205950irq/149-eno119:51:494
382965993025,4cyclictest635021-21fschecks_count00:05:1512
38296599300,30cyclictest0-21swapper/220:43:2612
38296599300,29cyclictest0-21swapper/222:42:0112
38296599300,29cyclictest0-21swapper/222:12:1112
38296599300,29cyclictest0-21swapper/219:50:1712
38296599300,0cyclictest0-21swapper/219:56:1912
383004992929,0cyclictest205950irq/149-eno121:20:444
383004992928,1cyclictest205950irq/149-eno123:24:504
383004992928,1cyclictest205950irq/149-eno123:16:064
383004992928,1cyclictest205950irq/149-eno122:11:324
383004992928,1cyclictest205950irq/149-eno121:45:544
383004992928,1cyclictest205950irq/149-eno120:32:464
382996992929,0cyclictest0-21swapper/1000:14:282
382996992929,0cyclictest0-21swapper/1000:14:282
38299499290,28cyclictest0-21swapper/921:25:4019
382989992929,0cyclictest0-21swapper/821:15:0018
382963992926,2cyclictest489466-40tracker-miner-f21:14:591
383004992828,0cyclictest205950irq/149-eno100:38:494
383004992827,1cyclictest205950irq/149-eno123:27:294
383004992827,1cyclictest205950irq/149-eno121:50:154
383004992827,1cyclictest205950irq/149-eno121:16:014
383004992827,1cyclictest205950irq/149-eno121:10:054
383004992827,1cyclictest205950irq/149-eno121:06:114
382994992828,0cyclictest0-21swapper/900:02:5919
382989992819,8cyclictest587636-40tracker-miner-f23:10:1718
382965992828,0cyclictest0-21swapper/223:13:5612
382965992828,0cyclictest0-21swapper/220:21:2012
382965992828,0cyclictest0-21swapper/200:30:2412
382965992826,2cyclictest0-21swapper/222:05:1612
38296599280,28cyclictest0-21swapper/223:46:2312
38296599280,27cyclictest0-21swapper/222:25:2012
38296599280,27cyclictest0-21swapper/221:42:2612
382961992828,0cyclictest607657-21kworker/0:0+kacpi_notify23:49:440
382961992828,0cyclictest447008-21kworker/0:0+kacpi_notify20:29:570
38301999270,16cyclictest561103-40tracker-miner-f22:39:009
383004992726,1cyclictest205950irq/149-eno123:02:324
383004992726,1cyclictest205950irq/149-eno120:51:494
383004992726,1cyclictest205950irq/149-eno120:51:484
383004992726,1cyclictest205950irq/149-eno120:48:174
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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