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2025-12-31 - 05:34

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #1

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 rack0slot1s.osadl.org (updated Wed Dec 31, 2025 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1520199116116,0cyclictest37-21ksoftirqd/320:36:053
1521299105103,2cyclictest0-21swapper/522:27:175
15201998080,0cyclictest37-21ksoftirqd/319:11:323
15208997474,0cyclictest192950irq/36-eth1-rx-21:42:514
15225997271,1cyclictest0-21swapper/720:36:057
1487026241,18sleep70-21swapper/719:08:217
1487826141,17sleep60-21swapper/619:08:296
1487726141,17sleep50-21swapper/519:08:285
15201995151,0cyclictest37-21ksoftirqd/319:36:533
15183994746,1cyclictest0-21swapper/021:42:510
1476224535,7sleep20-21swapper/219:06:492
1484724028,8sleep40-21swapper/419:08:024
1474523717,17sleep30-21swapper/319:06:333
15225993635,1cyclictest0-21swapper/719:11:327
1487223615,18sleep00-21swapper/019:08:220
1481723615,18sleep10-21swapper/119:07:361
15218993028,2cyclictest0-21swapper/620:35:586
1520199210,2cyclictest0-21swapper/319:34:573
1521899200,1cyclictest0-21swapper/600:35:186
1519099191,17cyclictest0-21swapper/121:15:201
1521299170,2cyclictest0-21swapper/521:09:465
1521299160,13cyclictest0-21swapper/522:06:035
15212991512,3cyclictest0-21swapper/500:23:325
15212991512,3cyclictest0-21swapper/500:23:325
1521299150,15cyclictest0-21swapper/520:05:025
1521299150,14cyclictest0-21swapper/522:15:475
1521299150,13cyclictest0-21swapper/522:56:325
1521299150,13cyclictest0-21swapper/521:59:475
1521299150,12cyclictest0-21swapper/522:54:175
1521299150,12cyclictest0-21swapper/522:48:485
1521299150,12cyclictest0-21swapper/500:30:485
1522599140,13cyclictest0-21swapper/720:48:327
15218991411,3cyclictest0-21swapper/622:22:476
1521899140,13cyclictest0-21swapper/620:10:016
1521899140,13cyclictest0-21swapper/620:10:016
1521299140,12cyclictest0-21swapper/523:31:485
15225991311,2cyclictest0-21swapper/720:58:177
15225991311,1cyclictest0-21swapper/723:07:327
1522599130,12cyclictest0-21swapper/720:30:477
1520899137,5cyclictest0-21swapper/400:39:484
15208991310,2cyclictest0-21swapper/422:32:014
15201991312,1cyclictest2487-21snmpd23:50:483
15190991311,2cyclictest2536-21lldpd00:06:311
1518399138,2cyclictest0-21swapper/019:35:010
1518399131,9cyclictest0-21swapper/022:25:000
1522599120,9cyclictest0-21swapper/721:09:027
1521899128,3cyclictest0-21swapper/623:00:036
1521899120,10cyclictest11371-21sh21:36:326
1520899120,11cyclictest0-21swapper/422:50:204
15195991211,1cyclictest2487-21snmpd21:08:022
15190991211,0cyclictest2487-21snmpd23:11:321
1518399129,2cyclictest0-21swapper/021:00:000
1518399121,1cyclictest0-21swapper/023:04:590
1518399120,12cyclictest0-21swapper/019:40:230
1522599117,4cyclictest0-21swapper/722:03:327
15225991110,1cyclictest0-21swapper/719:55:017
15218991110,1cyclictest0-21swapper/621:56:176
15208991110,1cyclictest0-21swapper/423:24:324
15201991111,0cyclictest2487-21snmpd21:39:473
15201991110,1cyclictest2487-21snmpd19:55:163
15195991111,0cyclictest2487-21snmpd20:50:312
15195991110,1cyclictest2487-21snmpd23:25:182
15190991111,0cyclictest15014-21cat20:10:151
15190991111,0cyclictest15014-21cat20:10:151
15190991110,0cyclictest2487-21snmpd20:17:171
15190991110,0cyclictest2487-21snmpd20:17:171
1518399118,2cyclictest202450auditd21:49:590
1518399118,1cyclictest31434-21mrtg20:45:000
1518399116,2cyclictest0-21swapper/020:55:010
1518399111,9cyclictest0-21swapper/022:40:190
1518399111,7cyclictest0-21swapper/019:15:160
1518399111,2cyclictest0-21swapper/021:15:120
15183991111,0cyclictest2487-21snmpd00:01:320
1518399110,9cyclictest0-21swapper/023:40:190
1518399110,9cyclictest0-21swapper/022:10:170
1518399110,9cyclictest0-21swapper/000:06:270
1518399110,10cyclictest12375-21latency_hist22:34:590
1518399110,10cyclictest0-21swapper/021:05:150
1518399110,10cyclictest0-21swapper/019:35:190
1522599108,2cyclictest0-21swapper/721:29:327
1522599100,9cyclictest26740-21perf00:40:017
1521899101,8cyclictest1512-21munin-run20:50:006
1520899107,2cyclictest0-21swapper/420:20:474
15201991010,0cyclictest2487-21snmpd21:20:313
1520199100,9cyclictest0-21swapper/321:27:473
15195991010,0cyclictest2487-21snmpd21:59:022
1519099100,1cyclictest0-21swapper/119:13:161
1518399108,2cyclictest0-21swapper/021:14:210
1518399108,1cyclictest0-21swapper/020:50:010
1518399108,1cyclictest0-21swapper/000:15:200
1518399108,1cyclictest0-21swapper/000:15:200
1518399107,2cyclictest0-21swapper/023:05:190
1518399107,1cyclictest0-21swapper/020:10:320
1518399107,1cyclictest0-21swapper/020:10:320
1518399106,3cyclictest0-21swapper/023:00:000
1518399106,1cyclictest0-21swapper/021:34:590
1518399101,8cyclictest0-21swapper/000:20:060
1518399101,8cyclictest0-21swapper/000:20:060
1518399100,9cyclictest25902-21crond19:30:000
1518399100,9cyclictest10263-21latency_hist22:05:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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