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2025-11-04 - 22:16

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 376 highest latencies:
System rack8slot7s.osadl.org (updated Tue Nov 04, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5552992019,1cyclictest55650irq/125-lan08:45:161
5552992018,2cyclictest55650irq/125-lan12:29:431
5552991918,1cyclictest55650irq/125-lan12:17:321
5552991918,1cyclictest55650irq/125-lan12:05:091
5552991918,1cyclictest55650irq/125-lan12:01:501
5552991918,1cyclictest55650irq/125-lan11:32:591
5552991918,1cyclictest55650irq/125-lan11:20:471
5552991918,1cyclictest55650irq/125-lan10:37:001
5552991918,1cyclictest55650irq/125-lan10:32:371
5552991918,1cyclictest55650irq/125-lan10:28:541
5552991918,1cyclictest55650irq/125-lan10:23:001
5552991918,1cyclictest55650irq/125-lan10:12:571
5552991918,1cyclictest55650irq/125-lan10:06:341
5552991918,1cyclictest55650irq/125-lan09:40:471
5552991918,1cyclictest55650irq/125-lan09:35:551
5552991918,1cyclictest55650irq/125-lan08:55:141
5552991918,1cyclictest55650irq/125-lan08:35:501
5552991918,1cyclictest55650irq/125-lan08:24:541
5552991918,1cyclictest55650irq/125-lan07:29:141
5552991918,0cyclictest55650irq/125-lan09:18:051
5552991917,1cyclictest55650irq/125-lan12:23:061
5552991818,0cyclictest55650irq/125-lan11:56:351
5552991818,0cyclictest55650irq/125-lan11:46:121
5552991818,0cyclictest55650irq/125-lan11:43:061
5552991818,0cyclictest55650irq/125-lan11:16:431
5552991817,1cyclictest55650irq/125-lan12:35:471
5552991817,1cyclictest55650irq/125-lan12:30:151
5552991817,1cyclictest55650irq/125-lan12:12:081
5552991817,1cyclictest55650irq/125-lan11:25:461
5552991817,1cyclictest55650irq/125-lan11:12:431
5552991817,1cyclictest55650irq/125-lan11:05:111
5552991817,1cyclictest55650irq/125-lan11:00:061
5552991817,1cyclictest55650irq/125-lan10:55:101
5552991817,1cyclictest55650irq/125-lan10:51:031
5552991817,1cyclictest55650irq/125-lan10:48:551
5552991817,1cyclictest55650irq/125-lan10:17:101
5552991817,1cyclictest55650irq/125-lan09:59:571
5552991817,1cyclictest55650irq/125-lan09:52:441
5552991817,1cyclictest55650irq/125-lan09:46:001
5552991817,1cyclictest55650irq/125-lan09:34:131
5552991817,1cyclictest55650irq/125-lan09:25:131
5552991817,1cyclictest55650irq/125-lan09:25:131
5552991817,1cyclictest55650irq/125-lan09:23:291
5552991817,1cyclictest55650irq/125-lan09:10:121
5552991817,1cyclictest55650irq/125-lan09:05:231
5552991817,1cyclictest55650irq/125-lan09:03:191
5552991817,1cyclictest55650irq/125-lan08:00:281
5552991817,1cyclictest55650irq/125-lan07:57:461
5552991817,1cyclictest55650irq/125-lan07:40:521
5552991817,1cyclictest55650irq/125-lan07:21:531
5552991817,1cyclictest55650irq/125-lan07:18:031
5552991817,1cyclictest55650irq/125-lan07:10:421
5552991816,1cyclictest55650irq/125-lan11:35:161
5552991717,0cyclictest55650irq/125-lan11:50:151
5552991717,0cyclictest55650irq/125-lan07:37:201
5552991716,1cyclictest55650irq/125-lan10:40:161
5552991716,1cyclictest55650irq/125-lan10:00:291
5552991716,1cyclictest55650irq/125-lan08:51:231
5552991716,1cyclictest55650irq/125-lan08:29:481
5552991716,1cyclictest55650irq/125-lan08:10:201
5552991716,1cyclictest55650irq/125-lan07:50:451
5552991716,1cyclictest55650irq/125-lan07:45:111
5552991615,1cyclictest55650irq/125-lan08:40:591
5552991615,1cyclictest55650irq/125-lan08:18:541
5552991615,1cyclictest55650irq/125-lan08:05:231
5552991515,0cyclictest55650irq/125-lan08:30:291
5552991514,1cyclictest55650irq/125-lan07:30:011
5548991515,0cyclictest294-21hwrng07:22:230
5548991414,0cyclictest294-21hwrng08:24:520
5548991414,0cyclictest294-21hwrng08:00:170
5548991212,0cyclictest294-21hwrng12:23:270
55489998,1cyclictest703-21snmpd09:58:300
55489998,1cyclictest703-21snmpd08:37:590
55489998,1cyclictest703-21snmpd08:08:500
55489998,1cyclictest703-21snmpd07:56:330
55489998,1cyclictest23177-21ntp_kernel_pll_12:25:190
55489996,3cyclictest703-21snmpd11:01:260
55489996,2cyclictest703-21snmpd12:14:410
55489996,2cyclictest703-21snmpd11:31:240
55489996,2cyclictest703-21snmpd10:43:400
55489996,2cyclictest703-21snmpd09:05:550
55489988,0cyclictest703-21snmpd12:09:400
55489988,0cyclictest703-21snmpd11:05:490
55489988,0cyclictest703-21snmpd08:33:080
55489988,0cyclictest294-21hwrng11:48:370
55489988,0cyclictest294-21hwrng11:11:450
55489988,0cyclictest294-21hwrng10:31:490
55489988,0cyclictest294-21hwrng10:28:450
55489988,0cyclictest294-21hwrng09:34:300
55489988,0cyclictest294-21hwrng09:16:030
55489988,0cyclictest294-21hwrng09:11:570
55489988,0cyclictest294-21hwrng08:42:150
55489988,0cyclictest294-21hwrng08:25:520
55489988,0cyclictest294-21hwrng07:53:060
55489988,0cyclictest294-21hwrng07:45:560
55489987,1cyclictest294-21hwrng09:36:330
55489986,2cyclictest703-21snmpd09:00:400
55489986,2cyclictest703-21snmpd07:15:500
55489986,2cyclictest3789-21cat11:25:170
55489985,2cyclictest703-21snmpd10:38:040
55489985,2cyclictest703-21snmpd09:40:500
55489977,0cyclictest294-21hwrng12:02:580
55489977,0cyclictest294-21hwrng11:59:540
55489977,0cyclictest294-21hwrng11:53:450
55489977,0cyclictest294-21hwrng11:15:520
55489977,0cyclictest294-21hwrng10:58:280
55489977,0cyclictest294-21hwrng10:20:330
55489977,0cyclictest294-21hwrng10:16:290
55489977,0cyclictest294-21hwrng10:10:200
55489977,0cyclictest294-21hwrng10:05:130
55489977,0cyclictest294-21hwrng09:22:110
55489977,0cyclictest294-21hwrng08:46:220
55489977,0cyclictest294-21hwrng07:40:500
55489977,0cyclictest294-21hwrng07:35:430
55489977,0cyclictest294-21hwrng07:31:370
55489977,0cyclictest27877-21sed12:30:170
55489976,1cyclictest703-21snmpd10:45:340
55489976,1cyclictest294-21hwrng12:16:170
55489976,1cyclictest16649-21cpu11:40:140
55489976,1cyclictest12805-21sh11:35:200
55489976,1cyclictest0-21swapper/012:35:170
55489975,2cyclictest703-21snmpd10:02:330
55489975,2cyclictest703-21snmpd08:59:130
55489975,2cyclictest703-21snmpd08:19:230
55489975,2cyclictest703-21snmpd08:12:020
55489975,2cyclictest703-21snmpd07:26:450
55489971,1cyclictest191rcu_preempt10:50:130
55489966,0cyclictest294-21hwrng09:47:470
55489965,1cyclictest703-21snmpd09:51:080
55489965,1cyclictest6862-21unixbench_singl07:10:210
55489965,1cyclictest31727-21fschecks_time11:20:140
55489965,1cyclictest30596-21cat09:25:160
55489965,1cyclictest30596-21cat09:25:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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