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2025-11-02 - 11:59

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 Sun Nov 02, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2018992019,1cyclictest55650irq/125-lan20:12:070
2018992018,1cyclictest55650irq/125-lan22:45:130
2018991918,1cyclictest55650irq/125-lan23:46:060
2018991918,1cyclictest55650irq/125-lan23:36:200
2018991918,1cyclictest55650irq/125-lan23:34:390
2018991918,1cyclictest55650irq/125-lan22:40:350
2018991918,1cyclictest55650irq/125-lan22:34:060
2018991918,1cyclictest55650irq/125-lan22:21:560
2018991918,1cyclictest55650irq/125-lan22:13:080
2018991918,1cyclictest55650irq/125-lan22:08:270
2018991918,1cyclictest55650irq/125-lan21:50:170
2018991918,1cyclictest55650irq/125-lan21:46:480
2018991918,1cyclictest55650irq/125-lan21:26:140
2018991918,1cyclictest55650irq/125-lan21:17:390
2018991918,1cyclictest55650irq/125-lan21:13:010
2018991918,1cyclictest55650irq/125-lan00:38:290
2018991918,1cyclictest55650irq/125-lan00:32:500
2018991918,1cyclictest55650irq/125-lan00:32:500
2018991918,1cyclictest55650irq/125-lan00:03:010
2018991917,1cyclictest55650irq/125-lan23:17:440
2018991917,1cyclictest55650irq/125-lan21:20:200
2018991818,0cyclictest55650irq/125-lan23:25:310
2018991818,0cyclictest55650irq/125-lan22:55:170
2018991818,0cyclictest55650irq/125-lan21:35:590
2018991818,0cyclictest55650irq/125-lan00:23:530
2018991818,0cyclictest55650irq/125-lan00:05:240
2018991817,1cyclictest55650irq/125-lan23:57:510
2018991817,1cyclictest55650irq/125-lan23:20:130
2018991817,1cyclictest55650irq/125-lan23:05:200
2018991817,1cyclictest55650irq/125-lan22:50:160
2018991817,1cyclictest55650irq/125-lan22:38:270
2018991817,1cyclictest55650irq/125-lan22:25:330
2018991817,1cyclictest55650irq/125-lan22:04:050
2018991817,1cyclictest55650irq/125-lan21:55:410
2018991817,1cyclictest55650irq/125-lan21:44:100
2018991817,1cyclictest55650irq/125-lan21:31:460
2018991817,1cyclictest55650irq/125-lan20:47:370
2018991817,1cyclictest55650irq/125-lan19:29:550
2018991817,1cyclictest55650irq/125-lan00:25:110
2018991817,1cyclictest55650irq/125-lan00:15:160
2018991817,1cyclictest55650irq/125-lan00:14:240
2018991817,0cyclictest55650irq/125-lan22:15:500
2018991816,1cyclictest55650irq/125-lan23:51:110
2018991717,0cyclictest55650irq/125-lan23:40:040
2018991716,1cyclictest55650irq/125-lan23:11:060
2018991716,1cyclictest55650irq/125-lan23:01:140
2018991716,1cyclictest55650irq/125-lan20:35:160
2018991716,1cyclictest55650irq/125-lan20:31:270
2018991716,1cyclictest55650irq/125-lan20:26:380
2018991716,1cyclictest55650irq/125-lan20:01:440
2018991716,1cyclictest55650irq/125-lan19:59:040
2018991716,1cyclictest55650irq/125-lan19:52:370
2018991716,1cyclictest55650irq/125-lan19:18:530
2018991715,1cyclictest55650irq/125-lan20:57:210
2018991615,1cyclictest55650irq/125-lan21:00:170
2018991615,1cyclictest55650irq/125-lan20:52:240
2018991615,1cyclictest55650irq/125-lan20:41:390
2018991615,1cyclictest55650irq/125-lan20:19:450
2018991615,1cyclictest55650irq/125-lan19:41:290
2018991614,1cyclictest55650irq/125-lan19:30:090
2018991514,1cyclictest55650irq/125-lan20:06:200
2021991414,0cyclictest294-21hwrng21:30:381
2021991414,0cyclictest294-21hwrng20:54:471
2018991414,0cyclictest55650irq/125-lan21:06:450
2018991313,0cyclictest55650irq/125-lan19:37:350
2018991312,1cyclictest55650irq/125-lan20:20:200
2018991312,1cyclictest55650irq/125-lan19:20:160
2018991312,1cyclictest55650irq/125-lan19:13:180
2021991212,0cyclictest294-21hwrng23:24:171
2021991212,0cyclictest294-21hwrng00:13:261
2021991111,0cyclictest294-21hwrng23:30:261
2021991111,0cyclictest294-21hwrng22:40:151
2021991010,0cyclictest294-21hwrng21:19:221
20219999,0cyclictest294-21hwrng20:32:151
20219998,1cyclictest703-21snmpd22:24:041
20219998,1cyclictest703-21snmpd20:36:061
20219998,1cyclictest703-21snmpd20:11:051
20219998,1cyclictest29004-21ntp_kernel_err20:20:211
20219998,1cyclictest27721-21/usr/sbin/munin22:25:201
20219998,1cyclictest17988-21ntp_kernel_pll_19:50:171
20219998,1cyclictest16696-21cut22:15:001
20219996,2cyclictest703-21snmpd22:05:421
20219988,0cyclictest703-21snmpd23:54:191
20219988,0cyclictest703-21snmpd23:48:151
20219988,0cyclictest703-21snmpd23:02:171
20219988,0cyclictest703-21snmpd19:40:371
20219988,0cyclictest294-21hwrng23:28:231
20219988,0cyclictest294-21hwrng21:56:141
20219988,0cyclictest294-21hwrng20:43:311
20219988,0cyclictest294-21hwrng20:02:341
20219988,0cyclictest294-21hwrng19:45:081
20219988,0cyclictest294-21hwrng00:20:361
20219988,0cyclictest294-21hwrng00:15:291
20219987,1cyclictest7482-21sh19:25:001
20219987,1cyclictest703-21snmpd21:52:591
20219987,1cyclictest28724-21kworker/1:4+events00:08:191
20219987,1cyclictest0-21swapper/123:10:171
20219987,1cyclictest0-21swapper/122:35:201
20219986,2cyclictest8407-21cat21:35:181
20219986,2cyclictest703-21snmpd23:42:031
20219986,2cyclictest703-21snmpd23:35:121
20219986,2cyclictest703-21snmpd22:02:541
20219986,2cyclictest703-21snmpd20:27:351
20219986,2cyclictest703-21snmpd20:06:171
20219985,2cyclictest703-21snmpd19:25:011
20219977,0cyclictest703-21snmpd21:24:171
20219977,0cyclictest294-21hwrng23:58:051
20219977,0cyclictest294-21hwrng23:15:041
20219977,0cyclictest294-21hwrng23:09:571
20219977,0cyclictest294-21hwrng22:56:381
20219977,0cyclictest294-21hwrng22:54:361
20219977,0cyclictest294-21hwrng21:48:021
20219977,0cyclictest294-21hwrng21:25:301
20219977,0cyclictest294-21hwrng21:11:091
20219977,0cyclictest294-21hwrng21:05:011
20219977,0cyclictest294-21hwrng21:00:561
20219977,0cyclictest294-21hwrng20:49:401
20219977,0cyclictest294-21hwrng19:56:251
20219977,0cyclictest294-21hwrng19:39:011
20219977,0cyclictest294-21hwrng19:32:521
20219977,0cyclictest294-21hwrng19:15:271
20219977,0cyclictest294-21hwrng19:13:241
20219977,0cyclictest294-21hwrng00:02:111
20219976,1cyclictest1923-21threads22:30:211
20219976,1cyclictest17848-21cat22:15:151
20219976,1cyclictest13464-21kernelversion21:40:151
20219975,2cyclictest703-21snmpd00:31:341
20219975,2cyclictest703-21snmpd00:31:341
20219975,2cyclictest0-21swapper/120:15:181
20219966,0cyclictest703-21snmpd20:55:161
20219965,1cyclictest17876-21pmu-power22:45:191
20219963,2cyclictest28570-21grep00:35:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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