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2025-12-04 - 11:14

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #7

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 highest latencies:
System rack8slot7s.osadl.org (updated Thu Dec 04, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7751992222,0cyclictest294-21hwrng23:42:071
7751991918,1cyclictest55650irq/125-lan23:36:271
7751991918,1cyclictest55650irq/125-lan23:25:151
7751991918,1cyclictest55650irq/125-lan22:49:421
7751991918,1cyclictest55650irq/125-lan22:42:051
7751991918,1cyclictest55650irq/125-lan22:21:341
7751991918,1cyclictest55650irq/125-lan22:01:151
7751991918,1cyclictest55650irq/125-lan21:44:021
7751991918,1cyclictest55650irq/125-lan21:38:101
7751991918,1cyclictest55650irq/125-lan21:16:401
7751991918,1cyclictest55650irq/125-lan21:11:381
7751991918,1cyclictest55650irq/125-lan20:51:451
7751991918,1cyclictest55650irq/125-lan20:43:451
7751991918,1cyclictest55650irq/125-lan00:08:151
7751991917,1cyclictest55650irq/125-lan21:55:131
7751991917,1cyclictest55650irq/125-lan00:14:591
7751991818,0cyclictest55650irq/125-lan23:55:271
7751991818,0cyclictest55650irq/125-lan23:11:011
7751991818,0cyclictest55650irq/125-lan22:52:191
7751991818,0cyclictest55650irq/125-lan22:12:231
7751991818,0cyclictest55650irq/125-lan21:46:031
7751991818,0cyclictest55650irq/125-lan00:25:471
7751991818,0cyclictest55650irq/125-lan00:18:091
7751991817,1cyclictest55650irq/125-lan23:20:191
7751991817,1cyclictest55650irq/125-lan23:19:001
7751991817,1cyclictest55650irq/125-lan23:09:131
7751991817,1cyclictest55650irq/125-lan23:00:011
7751991817,1cyclictest55650irq/125-lan22:33:381
7751991817,1cyclictest55650irq/125-lan22:25:011
7751991817,1cyclictest55650irq/125-lan22:16:161
7751991817,1cyclictest55650irq/125-lan22:07:481
7751991817,1cyclictest55650irq/125-lan21:50:371
7751991817,1cyclictest55650irq/125-lan21:28:351
7751991817,1cyclictest55650irq/125-lan21:23:381
7751991817,1cyclictest55650irq/125-lan21:06:251
7751991817,1cyclictest55650irq/125-lan19:48:031
7751991817,1cyclictest55650irq/125-lan19:35:521
7751991817,1cyclictest55650irq/125-lan19:10:131
7751991817,1cyclictest55650irq/125-lan00:36:371
7751991817,1cyclictest55650irq/125-lan00:31:401
7751991817,1cyclictest55650irq/125-lan00:20:151
7751991817,1cyclictest55650irq/125-lan00:02:531
7751991816,1cyclictest55650irq/125-lan23:30:051
7751991816,1cyclictest55650irq/125-lan22:35:291
7751991717,0cyclictest55650irq/125-lan23:50:031
7751991717,0cyclictest55650irq/125-lan23:49:071
7751991717,0cyclictest55650irq/125-lan21:33:021
7751991717,0cyclictest55650irq/125-lan21:00:061
7751991717,0cyclictest55650irq/125-lan20:02:521
7751991717,0cyclictest55650irq/125-lan19:30:251
7751991716,1cyclictest55650irq/125-lan22:58:491
7751991716,1cyclictest55650irq/125-lan20:57:111
7751991716,1cyclictest55650irq/125-lan20:47:191
7751991716,1cyclictest55650irq/125-lan20:30:331
7751991716,1cyclictest55650irq/125-lan19:55:191
7751991716,1cyclictest55650irq/125-lan19:51:571
7751991716,1cyclictest55650irq/125-lan19:43:101
7751991716,1cyclictest55650irq/125-lan19:29:221
7751991616,0cyclictest55650irq/125-lan20:15:381
7751991616,0cyclictest55650irq/125-lan19:23:531
7751991616,0cyclictest55650irq/125-lan19:18:081
7751991615,1cyclictest55650irq/125-lan20:37:111
7751991615,1cyclictest55650irq/125-lan20:22:511
7751991615,1cyclictest55650irq/125-lan20:12:441
7751991514,1cyclictest55650irq/125-lan20:27:181
7747991515,0cyclictest294-21hwrng21:52:320
7747991414,0cyclictest294-21hwrng22:28:230
7747991414,0cyclictest294-21hwrng22:13:010
7747991313,0cyclictest294-21hwrng00:17:560
7747991111,0cyclictest294-21hwrng20:45:590
774799109,1cyclictest13108-21ntp_kernel_err22:05:200
77479998,1cyclictest703-21snmpd23:34:050
77479998,1cyclictest703-21snmpd22:21:010
77479998,1cyclictest703-21snmpd20:53:420
77479996,2cyclictest703-21snmpd20:05:130
77479996,2cyclictest703-21snmpd19:49:190
77479988,0cyclictest902-21sh00:00:170
77479988,0cyclictest703-21snmpd23:43:250
77479988,0cyclictest703-21snmpd23:20:020
77479988,0cyclictest703-21snmpd22:30:030
77479988,0cyclictest703-21snmpd21:56:080
77479988,0cyclictest294-21hwrng23:16:300
77479988,0cyclictest294-21hwrng22:52:570
77479988,0cyclictest294-21hwrng22:41:410
77479988,0cyclictest294-21hwrng22:35:330
77479988,0cyclictest294-21hwrng21:48:260
77479988,0cyclictest294-21hwrng20:34:430
77479988,0cyclictest294-21hwrng20:26:310
77479988,0cyclictest294-21hwrng20:20:220
77479988,0cyclictest294-21hwrng19:31:140
77479988,0cyclictest294-21hwrng19:29:110
77479988,0cyclictest294-21hwrng19:13:490
77479988,0cyclictest294-21hwrng00:30:140
77479988,0cyclictest294-21hwrng00:24:060
77479987,1cyclictest703-21snmpd23:56:120
77479987,1cyclictest703-21snmpd22:47:580
77479987,1cyclictest703-21snmpd22:04:410
77479987,1cyclictest703-21snmpd19:15:440
77479987,1cyclictest703-21snmpd00:10:420
77479987,1cyclictest595-21thermald23:10:420
77479987,1cyclictest4646-21ntp_kernel_pll_21:25:180
77479986,2cyclictest703-21snmpd23:45:510
77479986,2cyclictest703-21snmpd23:05:370
77479986,2cyclictest703-21snmpd19:59:160
77479986,1cyclictest703-21snmpd20:16:130
77479985,2cyclictest703-21snmpd23:26:500
77479985,2cyclictest703-21snmpd23:04:590
77479977,0cyclictest703-21snmpd23:52:450
77479977,0cyclictest294-21hwrng23:36:590
77479977,0cyclictest294-21hwrng22:58:040
77479977,0cyclictest294-21hwrng21:41:170
77479977,0cyclictest294-21hwrng21:39:130
77479977,0cyclictest294-21hwrng21:30:000
77479977,0cyclictest294-21hwrng21:04:250
77479977,0cyclictest294-21hwrng20:55:120
77479977,0cyclictest294-21hwrng20:43:560
77479977,0cyclictest294-21hwrng19:50:410
77479977,0cyclictest294-21hwrng19:35:190
77479977,0cyclictest294-21hwrng19:22:010
77479977,0cyclictest294-21hwrng00:37:240
77479977,0cyclictest294-21hwrng00:05:390
77479976,1cyclictest703-21snmpd21:15:220
77479976,1cyclictest703-21snmpd21:11:330
77479976,1cyclictest30884-21cat20:10:140
77479976,1cyclictest19434-21uniq21:05:140
77479976,1cyclictest0-21swapper/000:25:230
77479974,3cyclictest703-21snmpd20:38:440
77479966,0cyclictest294-21hwrng20:00:550
77479965,1cyclictest22905-21fschecks_time22:15:160
77479964,2cyclictest703-21snmpd19:40:560
77479963,3cyclictest31916-21ntpq21:20:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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