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2025-12-22 - 09:52

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 Mon Dec 22, 2025 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1470899122121,1cyclictest0-21swapper/720:42:507
1466699111111,0cyclictest192950irq/36-eth1-rx-22:25:130
1469799109107,1cyclictest192950irq/36-eth1-rx-22:15:145
1467499103101,2cyclictest0-21swapper/122:15:141
146979910099,0cyclictest192950irq/36-eth1-rx-21:42:145
146919910099,1cyclictest0-21swapper/422:25:134
14687999797,0cyclictest37-21ksoftirqd/321:11:183
14674999694,1cyclictest0-21swapper/121:42:141
14697999292,0cyclictest192950irq/36-eth1-rx-21:46:145
14674998987,1cyclictest0-21swapper/121:46:141
14697997775,2cyclictest0-21swapper/523:48:435
14666997777,0cyclictest192950irq/36-eth1-rx-22:20:130
14687997171,0cyclictest37-21ksoftirqd/300:27:433
14674997069,1cyclictest21-21ksoftirqd/123:48:431
14691996665,1cyclictest0-21swapper/422:20:134
14704996261,1cyclictest0-21swapper/623:32:156
1428826242,17sleep40-21swapper/419:07:284
14708995958,1cyclictest0-21swapper/723:42:507
1445925933,23sleep60-21swapper/619:09:556
1423725543,8sleep00-21swapper/019:06:440
1446625130,18sleep10-21swapper/119:09:581
1416225029,18sleep70-21swapper/719:05:477
14666994544,1cyclictest0-21swapper/000:02:140
14680994444,0cyclictest29-21ksoftirqd/221:13:042
1428924222,17sleep50-21swapper/519:07:305
1442023714,8sleep30-21swapper/319:09:193
1416623615,18sleep20-21swapper/219:05:502
14691993232,0cyclictest192950irq/36-eth1-rx-00:02:144
14666993029,1cyclictest0-21swapper/022:19:130
14687992828,0cyclictest37-21ksoftirqd/320:42:503
1470499203,16cyclictest12171-21munin-run23:20:006
1470499191,17cyclictest27294-21mrtg23:50:006
1470499180,2cyclictest0-21swapper/620:10:226
1468799180,16cyclictest0-21swapper/323:23:253
1470899171,14cyclictest32361-21munin-run00:00:007
1469199170,2cyclictest0-21swapper/423:01:154
1468799170,16cyclictest0-21swapper/323:52:173
1468799170,16cyclictest0-21swapper/300:21:543
1468799170,16cyclictest0-21swapper/300:12:213
1468799170,14cyclictest0-21swapper/323:34:533
14691991616,0cyclictest192950irq/36-eth1-rx-22:19:134
1468799160,16cyclictest0-21swapper/323:43:463
1468799160,16cyclictest0-21swapper/322:50:583
1468799160,16cyclictest0-21swapper/322:49:543
1468799160,15cyclictest0-21swapper/323:56:183
1468799160,15cyclictest0-21swapper/323:03:493
1468799160,15cyclictest0-21swapper/322:59:413
1468799160,15cyclictest0-21swapper/300:30:453
1468799160,14cyclictest0-21swapper/323:45:143
1468799160,14cyclictest0-21swapper/323:27:533
1468799160,13cyclictest0-21swapper/300:16:533
1470499150,12cyclictest0-21swapper/622:48:306
1469799150,4cyclictest0-21swapper/522:35:315
1468799150,14cyclictest0-21swapper/300:37:183
1468799150,14cyclictest0-21swapper/300:37:173
1468799150,14cyclictest0-21swapper/300:03:063
1467499151,13cyclictest0-21swapper/122:20:151
1469799140,2cyclictest0-21swapper/522:34:015
1466699149,2cyclictest0-21swapper/019:45:000
1466699141,9cyclictest0-21swapper/021:50:000
14704991310,2cyclictest0-21swapper/619:33:596
14691991312,1cyclictest0-21swapper/423:35:304
14680991312,1cyclictest2487-21snmpd20:21:452
14680991312,1cyclictest2487-21snmpd20:21:442
14674991312,1cyclictest2487-21snmpd22:34:011
1466699131,9cyclictest0-21swapper/021:55:000
14666991310,1cyclictest0-21swapper/022:40:000
14708991210,2cyclictest0-21swapper/700:03:157
14704991211,1cyclictest0-21swapper/620:16:446
1470499120,9cyclictest0-21swapper/621:29:456
14680991210,1cyclictest2487-21snmpd23:46:002
1466699121,8cyclictest0-21swapper/023:15:000
1466699121,8cyclictest0-21swapper/021:30:000
1466699121,8cyclictest0-21swapper/021:20:000
1466699120,9cyclictest0-21swapper/023:25:000
1466699120,9cyclictest0-21swapper/022:10:000
1470899110,2cyclictest0-21swapper/721:07:297
14704991110,1cyclictest0-21swapper/622:03:156
14691991110,1cyclictest0-21swapper/421:39:314
1468799110,10cyclictest5252-21cut20:55:203
14680991111,0cyclictest2487-21snmpd22:40:002
14680991111,0cyclictest2487-21snmpd21:35:002
14680991110,1cyclictest9921-21cat21:05:162
14680991110,1cyclictest2487-21snmpd00:08:302
14680991110,0cyclictest2487-21snmpd22:33:452
14680991110,0cyclictest2487-21snmpd21:52:452
14680991110,0cyclictest2487-21snmpd21:23:012
14674991111,0cyclictest2487-21snmpd22:35:311
1466699118,2cyclictest0-21swapper/023:35:000
1466699116,2cyclictest0-21swapper/020:40:000
1466699111,7cyclictest0-21swapper/020:15:010
14666991110,0cyclictest2487-21snmpd00:21:290
1466699110,1cyclictest0-21swapper/000:30:000
1470499109,1cyclictest0-21swapper/623:55:466
1469199109,1cyclictest0-21swapper/400:16:274
1468799103,6cyclictest2487-21snmpd19:23:003
1468799100,9cyclictest9472-21kernelversion20:00:133
1468799100,9cyclictest6801-21hddtemp_smartct19:55:153
1468799100,9cyclictest32523-21munin-node21:50:143
1468799100,9cyclictest32189-21irqstats20:45:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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