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2025-11-22 - 08:07

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 792 highest latencies:
System rack8slot7s.osadl.org (updated Sat Nov 22, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7594993636,0cyclictest21595-21fwupd23:48:211
7594992121,0cyclictest294-21hwrng23:32:161
7594991919,0cyclictest55650irq/125-lan22:38:271
7594991919,0cyclictest55650irq/125-lan21:21:131
7594991918,1cyclictest55650irq/125-lan23:41:041
7594991918,1cyclictest55650irq/125-lan23:20:451
7594991918,1cyclictest55650irq/125-lan23:06:481
7594991918,1cyclictest55650irq/125-lan23:00:521
7594991918,1cyclictest55650irq/125-lan22:56:231
7594991918,1cyclictest55650irq/125-lan22:51:051
7594991918,1cyclictest55650irq/125-lan22:49:521
7594991918,1cyclictest55650irq/125-lan22:15:151
7594991918,1cyclictest55650irq/125-lan22:05:451
7594991918,1cyclictest55650irq/125-lan21:46:041
7594991918,1cyclictest55650irq/125-lan20:00:031
7594991918,1cyclictest55650irq/125-lan19:35:341
7594991918,1cyclictest55650irq/125-lan00:35:121
7594991918,1cyclictest55650irq/125-lan00:24:401
7594991918,1cyclictest55650irq/125-lan00:14:111
7594991917,1cyclictest55650irq/125-lan23:25:201
7594991818,0cyclictest55650irq/125-lan23:54:371
7594991818,0cyclictest55650irq/125-lan22:13:251
7594991818,0cyclictest55650irq/125-lan19:40:441
7594991818,0cyclictest55650irq/125-lan00:32:101
7594991817,1cyclictest55650irq/125-lan23:55:071
7594991817,1cyclictest55650irq/125-lan23:38:121
7594991817,1cyclictest55650irq/125-lan23:16:481
7594991817,1cyclictest55650irq/125-lan22:40:281
7594991817,1cyclictest55650irq/125-lan22:27:501
7594991817,1cyclictest55650irq/125-lan22:20:001
7594991817,1cyclictest55650irq/125-lan22:00:211
7594991817,1cyclictest55650irq/125-lan21:59:501
7594991817,1cyclictest55650irq/125-lan21:42:001
7594991817,1cyclictest55650irq/125-lan21:35:191
7594991817,1cyclictest55650irq/125-lan21:30:151
7594991817,1cyclictest55650irq/125-lan21:29:011
7594991817,1cyclictest55650irq/125-lan21:16:231
7594991817,1cyclictest55650irq/125-lan21:13:431
7594991817,1cyclictest55650irq/125-lan21:06:121
7594991817,1cyclictest55650irq/125-lan20:05:091
7594991817,1cyclictest55650irq/125-lan00:28:021
7594991817,1cyclictest55650irq/125-lan00:17:411
7594991817,1cyclictest55650irq/125-lan00:05:561
7594991817,1cyclictest55650irq/125-lan00:01:571
7594991816,1cyclictest55650irq/125-lan22:30:111
7594991816,1cyclictest55650irq/125-lan19:25:051
7594991717,0cyclictest55650irq/125-lan23:14:421
7594991717,0cyclictest55650irq/125-lan19:54:011
7594991717,0cyclictest55650irq/125-lan19:20:591
7594991716,1cyclictest55650irq/125-lan21:50:271
7594991716,1cyclictest55650irq/125-lan21:00:331
7594991716,1cyclictest55650irq/125-lan20:55:011
7594991716,1cyclictest55650irq/125-lan20:39:511
7594991716,1cyclictest55650irq/125-lan20:21:521
7594991716,1cyclictest55650irq/125-lan20:15:001
7594991716,1cyclictest55650irq/125-lan20:11:461
7594991716,1cyclictest55650irq/125-lan19:48:051
7594991716,1cyclictest55650irq/125-lan19:32:151
7594991716,1cyclictest55650irq/125-lan19:17:061
7594991615,1cyclictest55650irq/125-lan20:51:171
7594991615,1cyclictest55650irq/125-lan20:34:101
7594991615,1cyclictest55650irq/125-lan19:56:141
7594991514,1cyclictest55650irq/125-lan20:45:141
7594991514,1cyclictest55650irq/125-lan19:11:511
7594991414,0cyclictest55650irq/125-lan20:26:081
7594991413,1cyclictest55650irq/125-lan20:40:121
7590991414,0cyclictest294-21hwrng19:18:190
7590991313,0cyclictest294-21hwrng21:25:190
7590991212,0cyclictest294-21hwrng22:47:140
759099109,1cyclictest7017-21ntp_kernel_err22:30:160
759099108,2cyclictest14307-21ntp_kernel_err19:25:180
759099106,3cyclictest703-21snmpd23:50:130
75909999,0cyclictest294-21hwrng21:10:580
75909999,0cyclictest294-21hwrng19:22:250
75909999,0cyclictest294-21hwrng00:26:320
75909998,1cyclictest703-21snmpd21:20:140
75909998,1cyclictest703-21snmpd20:09:550
75909998,1cyclictest10915-21ntp_kernel_pll_00:10:160
75909996,2cyclictest703-21snmpd23:07:480
75909996,2cyclictest703-21snmpd21:09:290
75909996,2cyclictest703-21snmpd20:11:300
75909988,0cyclictest703-21snmpd23:32:450
75909988,0cyclictest703-21snmpd21:51:120
75909988,0cyclictest703-21snmpd20:40:280
75909988,0cyclictest703-21snmpd20:29:210
75909988,0cyclictest294-21hwrng23:22:030
75909988,0cyclictest294-21hwrng23:14:520
75909988,0cyclictest294-21hwrng22:20:350
75909988,0cyclictest294-21hwrng21:57:020
75909988,0cyclictest294-21hwrng20:51:300
75909988,0cyclictest294-21hwrng20:47:260
75909988,0cyclictest294-21hwrng20:33:040
75909988,0cyclictest294-21hwrng19:47:000
75909988,0cyclictest294-21hwrng19:11:090
75909987,1cyclictest9199-21sendmail_mailqu23:35:190
75909987,1cyclictest798-21ntp_kernel_pll_20:15:160
75909987,1cyclictest703-21snmpd21:38:150
75909987,1cyclictest703-21snmpd20:35:190
75909987,1cyclictest703-21snmpd19:39:500
75909987,1cyclictest615-21kerneloops23:25:560
75909987,1cyclictest2048-21ntp_kernel_pll_22:25:170
75909987,1cyclictest0-21swapper/000:35:140
75909986,2cyclictest703-21snmpd22:10:400
75909986,2cyclictest703-21snmpd21:43:210
75909986,2cyclictest703-21snmpd21:03:470
75909986,2cyclictest703-21snmpd20:56:250
75909985,2cyclictest703-21snmpd19:57:320
75909985,2cyclictest0-21swapper/023:55:160
75909977,0cyclictest703-21snmpd22:39:470
75909977,0cyclictest703-21snmpd22:02:070
75909977,0cyclictest703-21snmpd20:04:470
75909977,0cyclictest703-21snmpd19:30:160
75909977,0cyclictest294-21hwrng23:15:530
75909977,0cyclictest294-21hwrng23:02:340
75909977,0cyclictest294-21hwrng22:50:170
75909977,0cyclictest294-21hwrng20:22:500
75909977,0cyclictest294-21hwrng19:42:540
75909977,0cyclictest294-21hwrng00:32:410
75909977,0cyclictest294-21hwrng00:22:270
75909977,0cyclictest294-21hwrng00:15:170
75909977,0cyclictest294-21hwrng00:04:020
75909976,1cyclictest703-21snmpd19:50:440
75909976,1cyclictest18540-21cat23:45:140
75909975,2cyclictest9895-21cat21:30:160
75909975,2cyclictest703-21snmpd22:16:250
75909975,2cyclictest703-21snmpd21:17:050
75909975,1cyclictest0-21swapper/022:40:220
75909970,5cyclictest0-21swapper/000:06:380
75909966,0cyclictest703-21snmpd22:09:590
75909965,1cyclictest5278-21kworker/u4:3+nfsiod22:59:040
75909965,1cyclictest13240-21cpuspeed_turbos23:40:150
75909960,4cyclictest26043-21ssh21:45:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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