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2026-03-30 - 20:21

OSADL QA Farm on Real-time of Mainline Linux

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

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: 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 r0s0s.osadl.org (updated Mon Mar 30, 2026 12:46:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1879132313284,21sleep10-21swapper/107:05:321
1879132313284,21sleep10-21swapper/107:05:311
1885602303286,10sleep60-21swapper/607:09:476
1885602303286,10sleep60-21swapper/607:09:466
1862482295270,18sleep30-21swapper/307:05:023
1862482295270,18sleep30-21swapper/307:05:013
1885342292272,13sleep00-21swapper/007:09:250
1885342292272,13sleep00-21swapper/007:09:240
1883922292258,26sleep50-21swapper/507:07:295
1883922292258,26sleep50-21swapper/507:07:285
1884622290273,11sleep40-21swapper/407:08:254
1884622290273,11sleep40-21swapper/407:08:244
1883472288269,12sleep70-21swapper/707:06:517
1883472288269,12sleep70-21swapper/707:06:507
1882862285266,12sleep20-21swapper/207:05:572
1882862285266,12sleep20-21swapper/207:05:562
189053994725,1cyclictest0-21swapper/711:22:057
189050993530,4cyclictest449069-21snmpd09:05:214
18905199344,30cyclictest189044-21cyclictest08:25:405
189053993330,3cyclictest449069-21snmpd07:39:317
189053993330,2cyclictest449069-21snmpd08:22:547
189052993330,2cyclictest449069-21snmpd09:03:006
189052993330,2cyclictest449069-21snmpd09:03:006
189052993330,2cyclictest449069-21snmpd08:07:206
189052993330,2cyclictest449069-21snmpd07:51:026
189052993329,3cyclictest449069-21snmpd11:03:076
189052993329,3cyclictest449069-21snmpd09:27:466
189050993330,2cyclictest449069-21snmpd11:32:534
189050993330,2cyclictest309274-21cat11:05:154
189050993330,2cyclictest221023-21cat08:10:154
18905099330,1cyclictest0-21swapper/407:18:124
189049993330,2cyclictest449069-21snmpd12:05:343
189049993330,2cyclictest449069-21snmpd09:05:063
189047993330,2cyclictest449069-21snmpd10:57:251
189047993330,2cyclictest449069-21snmpd07:44:201
189046993330,2cyclictest449069-21snmpd11:27:320
189046993330,2cyclictest449069-21snmpd10:04:590
189046993330,2cyclictest449069-21snmpd09:52:230
189046993330,2cyclictest449069-21snmpd07:29:410
189053993230,2cyclictest449069-21snmpd10:33:017
189053993230,1cyclictest449069-21snmpd10:41:317
189053993230,1cyclictest449069-21snmpd10:11:487
189053993229,2cyclictest449069-21snmpd11:40:247
189053993229,2cyclictest449069-21snmpd08:17:237
18905399320,31cyclictest0-21swapper/712:28:167
18905399320,31cyclictest0-21swapper/709:40:147
18905399320,31cyclictest0-21swapper/709:25:167
18905399320,31cyclictest0-21swapper/708:51:247
189052993230,1cyclictest449069-21snmpd09:10:466
189050993229,2cyclictest449069-21snmpd09:10:044
189050993229,2cyclictest238624-21cat08:45:164
18905099320,30cyclictest0-21swapper/408:25:504
189049993230,2cyclictest449069-21snmpd10:58:323
189049993229,2cyclictest449069-21snmpd10:26:063
189049993229,2cyclictest449069-21snmpd08:13:263
18904999320,30cyclictest0-21swapper/307:45:433
189048993230,2cyclictest449069-21snmpd11:25:242
189048993230,2cyclictest449069-21snmpd10:09:382
189048993230,2cyclictest449069-21snmpd09:37:342
18904899320,31cyclictest0-21swapper/208:25:272
189047993230,2cyclictest449069-21snmpd10:13:181
189047993230,1cyclictest449069-21snmpd12:08:541
189047993230,1cyclictest449069-21snmpd10:37:421
189047993229,3cyclictest449069-21snmpd10:17:341
189047993229,2cyclictest449069-21snmpd09:11:491
189047993229,2cyclictest449069-21snmpd08:59:191
189046993230,1cyclictest449069-21snmpd09:57:120
189046993230,1cyclictest449069-21snmpd08:05:070
189046993230,1cyclictest449069-21snmpd07:31:340
189046993229,2cyclictest449069-21snmpd11:43:010
18904699320,31cyclictest0-21swapper/011:13:020
18904699320,30cyclictest0-21swapper/007:37:130
189053993130,1cyclictest449069-21snmpd12:21:057
189053993130,1cyclictest449069-21snmpd09:04:467
189053993130,1cyclictest449069-21snmpd09:04:457
189053993130,1cyclictest449069-21snmpd07:48:257
189053993129,1cyclictest449069-21snmpd12:10:097
189053993129,1cyclictest449069-21snmpd09:48:267
189053993128,2cyclictest449069-21snmpd11:10:187
189053993128,2cyclictest449069-21snmpd07:20:097
18905399310,30cyclictest0-21swapper/712:00:157
18905399310,30cyclictest0-21swapper/710:09:087
18905399310,30cyclictest0-21swapper/708:56:347
18905399310,29cyclictest0-21swapper/710:03:327
18905399310,28cyclictest0-21swapper/708:25:057
18905399310,1cyclictest0-21swapper/710:45:157
18905399310,1cyclictest0-21swapper/709:50:157
189052993130,1cyclictest449069-21snmpd10:53:506
189052993130,1cyclictest449069-21snmpd10:53:496
189052993130,1cyclictest449069-21snmpd10:21:276
189052993130,1cyclictest449069-21snmpd07:57:436
189052993129,2cyclictest449069-21snmpd07:44:166
189052993129,1cyclictest449069-21snmpd08:33:276
189052993129,1cyclictest449069-21snmpd08:00:356
189052993128,2cyclictest449069-21snmpd09:16:136
18905299310,31cyclictest0-21swapper/609:06:396
18905299310,30cyclictest0-21swapper/611:36:176
18905299310,30cyclictest0-21swapper/610:20:006
18905299310,1cyclictest0-21swapper/612:33:556
18905299310,1cyclictest0-21swapper/609:41:056
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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