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2025-12-27 - 09:37

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 Sat Dec 27, 2025 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1847199116115,1cyclictest0-21swapper/722:31:527
1845499115112,2cyclictest0-21swapper/420:30:444
1845999111110,1cyclictest0-21swapper/522:41:325
1843799102102,0cyclictest21-21ksoftirqd/122:41:321
18454999996,2cyclictest0-21swapper/400:29:164
18441998482,1cyclictest192950irq/36-eth1-rx-21:33:462
18459998382,1cyclictest0-21swapper/523:49:545
18437997474,0cyclictest21-21ksoftirqd/123:49:541
18447997069,1cyclictest37-21ksoftirqd/300:09:043
18441996969,0cyclictest29-21ksoftirqd/220:28:002
1795926241,18sleep70-21swapper/719:06:177
18471995957,2cyclictest0-21swapper/721:25:467
18447995757,0cyclictest192950irq/36-eth1-rx-22:31:523
1813925535,17sleep30-21swapper/319:08:453
1790724737,7sleep40-21swapper/419:05:334
1792924534,8sleep60-21swapper/619:05:516
1814624221,18sleep10-21swapper/119:08:511
1818624029,8sleep50-21swapper/519:09:275
1793423615,18sleep20-21swapper/219:05:552
1790223514,18sleep00-21swapper/019:05:290
1845999170,2cyclictest0-21swapper/519:55:325
1847199160,1cyclictest0-21swapper/719:36:307
18466991612,3cyclictest0-21swapper/623:14:476
18466991612,3cyclictest0-21swapper/621:42:036
1844199163,11cyclictest15173-21awk23:29:592
18466991511,3cyclictest0-21swapper/623:23:476
18466991510,4cyclictest0-21swapper/600:09:026
1846699150,14cyclictest0-21swapper/622:12:026
1846699150,13cyclictest0-21swapper/620:45:176
1846699150,12cyclictest0-21swapper/620:44:326
1846699150,12cyclictest0-21swapper/620:35:326
1845499150,1cyclictest0-21swapper/420:01:184
18466991411,2cyclictest0-21swapper/620:09:476
1846699140,2cyclictest0-21swapper/600:30:176
1845999140,13cyclictest0-21swapper/521:20:475
1845999140,13cyclictest0-21swapper/521:20:475
18447991412,1cyclictest2487-21snmpd23:54:173
18437991412,1cyclictest2487-21snmpd19:55:321
1847199130,13cyclictest0-21swapper/720:35:147
1846699130,11cyclictest0-21swapper/621:27:186
18447991311,1cyclictest2487-21snmpd20:05:463
1844799130,2cyclictest0-21swapper/322:52:143
18441991312,0cyclictest2487-21snmpd00:02:182
1843799131,12cyclictest0-21swapper/119:30:141
1842999139,1cyclictest14949-21crond21:10:000
1842999136,5cyclictest363450awk23:20:000
1842999131,9cyclictest0-21swapper/019:30:000
1842999131,9cyclictest0-21swapper/019:14:590
1842999130,12cyclictest0-21swapper/022:13:220
1842999130,12cyclictest0-21swapper/020:20:200
1842999130,10cyclictest0-21swapper/000:15:000
18471991211,1cyclictest0-21swapper/720:15:207
1845999120,1cyclictest0-21swapper/520:43:175
18447991212,0cyclictest2487-21snmpd23:22:323
18447991212,0cyclictest2487-21snmpd23:08:323
18447991212,0cyclictest2487-21snmpd20:45:323
18447991211,0cyclictest2487-21snmpd23:47:163
18441991212,0cyclictest2487-21snmpd23:53:472
18437991212,0cyclictest2487-21snmpd19:51:021
1842999129,1cyclictest0-21swapper/019:50:110
1842999122,8cyclictest0-21swapper/022:46:450
1842999121,8cyclictest0-21swapper/020:15:000
1842999121,8cyclictest0-21swapper/000:18:370
1842999120,9cyclictest5131-21ssh23:48:570
1842999120,9cyclictest0-21swapper/022:10:010
1847199110,9cyclictest0-21swapper/723:51:477
18447991111,0cyclictest2487-21snmpd21:31:023
18447991111,0cyclictest2487-21snmpd00:10:023
18447991111,0cyclictest2487-21snmpd00:01:333
18447991110,0cyclictest2487-21snmpd22:19:023
1843799119,1cyclictest2487-21snmpd22:49:021
1842999119,1cyclictest0-21swapper/020:10:000
1842999111,9cyclictest0-21swapper/021:45:000
1842999111,8cyclictest0-21swapper/020:19:560
1842999110,9cyclictest0-21swapper/023:56:250
1842999110,9cyclictest0-21swapper/022:20:410
1842999110,2cyclictest0-21swapper/020:35:010
1847199109,1cyclictest0-21swapper/722:18:477
1847199107,3cyclictest0-21swapper/723:21:177
1847199102,5cyclictest0-21swapper/700:28:327
1847199101,2cyclictest0-21swapper/723:12:167
1847199100,1cyclictest0-21swapper/720:58:257
1845999108,2cyclictest0-21swapper/520:31:175
1845499101,8cyclictest0-21swapper/420:45:124
1844799107,2cyclictest0-21swapper/319:20:153
18447991010,0cyclictest2487-21snmpd21:58:323
18447991010,0cyclictest2487-21snmpd20:30:013
18447991010,0cyclictest2487-21snmpd20:26:013
1844199101,8cyclictest0-21swapper/222:00:122
1844199100,1cyclictest0-21swapper/222:15:252
1843799109,1cyclictest2487-21snmpd21:09:471
1843799109,1cyclictest2487-21snmpd20:59:471
1843799103,6cyclictest0-21swapper/120:25:161
1842999108,1cyclictest19748-21mrtg00:30:000
1842999107,1cyclictest0-21swapper/021:29:150
1842999106,3cyclictest0-21swapper/021:55:010
1842999106,1cyclictest31391-21mrtg22:20:000
1842999101,8cyclictest0-21swapper/021:00:000
1842999101,1cyclictest0-21swapper/022:39:590
1842999101,1cyclictest0-21swapper/019:40:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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