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2025-12-07 - 18:53

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 Dec 07, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1503992018,1cyclictest55650irq/125-lan11:45:140
1503991918,1cyclictest55650irq/125-lan12:32:060
1503991918,1cyclictest55650irq/125-lan12:24:580
1503991918,1cyclictest55650irq/125-lan12:15:120
1503991918,1cyclictest55650irq/125-lan11:56:320
1503991918,1cyclictest55650irq/125-lan11:43:320
1503991918,1cyclictest55650irq/125-lan11:39:390
1503991918,1cyclictest55650irq/125-lan11:20:150
1503991918,1cyclictest55650irq/125-lan11:17:220
1503991918,1cyclictest55650irq/125-lan11:10:440
1503991918,1cyclictest55650irq/125-lan11:05:050
1503991918,1cyclictest55650irq/125-lan10:43:390
1503991918,1cyclictest55650irq/125-lan10:36:250
1503991918,1cyclictest55650irq/125-lan10:33:520
1503991918,1cyclictest55650irq/125-lan10:20:570
1503991918,1cyclictest55650irq/125-lan10:12:400
1503991918,1cyclictest55650irq/125-lan10:00:080
1503991918,1cyclictest55650irq/125-lan09:40:120
1503991918,1cyclictest55650irq/125-lan09:32:370
1503991918,1cyclictest55650irq/125-lan07:19:250
1503991917,1cyclictest55650irq/125-lan12:13:020
1503991917,1cyclictest55650irq/125-lan11:30:140
1503991818,0cyclictest55650irq/125-lan12:25:090
1503991818,0cyclictest55650irq/125-lan11:01:000
1503991818,0cyclictest55650irq/125-lan10:25:330
1503991818,0cyclictest55650irq/125-lan09:28:110
1503991817,1cyclictest55650irq/125-lan12:39:080
1503991817,1cyclictest55650irq/125-lan12:05:080
1503991817,1cyclictest55650irq/125-lan12:00:490
1503991817,1cyclictest55650irq/125-lan11:52:250
1503991817,1cyclictest55650irq/125-lan11:28:400
1503991817,1cyclictest55650irq/125-lan10:50:300
1503991817,1cyclictest55650irq/125-lan10:48:380
1503991817,1cyclictest55650irq/125-lan10:15:270
1503991817,1cyclictest55650irq/125-lan10:09:440
1503991817,1cyclictest55650irq/125-lan09:57:440
1503991817,1cyclictest55650irq/125-lan09:53:260
1503991817,1cyclictest55650irq/125-lan09:49:150
1503991817,1cyclictest55650irq/125-lan09:35:260
1503991817,1cyclictest55650irq/125-lan09:20:210
1503991817,1cyclictest55650irq/125-lan09:15:340
1503991817,1cyclictest55650irq/125-lan09:14:470
1503991817,1cyclictest55650irq/125-lan08:56:560
1503991817,1cyclictest55650irq/125-lan08:52:530
1503991817,1cyclictest55650irq/125-lan08:14:270
1503991817,1cyclictest55650irq/125-lan07:54:200
1503991816,1cyclictest55650irq/125-lan10:55:180
1503991716,1cyclictest55650irq/125-lan08:48:440
1503991716,1cyclictest55650irq/125-lan08:29:100
1503991716,1cyclictest55650irq/125-lan08:21:190
1503991716,1cyclictest55650irq/125-lan08:16:080
1503991716,1cyclictest55650irq/125-lan08:09:390
1503991716,1cyclictest55650irq/125-lan07:55:160
1503991716,1cyclictest55650irq/125-lan07:45:170
1503991615,1cyclictest55650irq/125-lan09:05:550
1503991615,1cyclictest55650irq/125-lan09:00:210
1503991615,1cyclictest55650irq/125-lan08:44:270
1503991615,1cyclictest55650irq/125-lan08:36:260
1503991615,1cyclictest55650irq/125-lan07:39:240
1503991615,1cyclictest55650irq/125-lan07:20:380
1503991514,1cyclictest55650irq/125-lan08:30:160
1503991514,1cyclictest55650irq/125-lan07:30:130
1503991413,1cyclictest55650irq/125-lan08:00:160
1503991413,1cyclictest55650irq/125-lan07:40:050
1503991413,1cyclictest55650irq/125-lan07:25:210
1503991413,1cyclictest55650irq/125-lan07:10:130
1508991212,0cyclictest15449-21kworker/1:2+events10:04:341
150899109,1cyclictest2824-21unixbench-2d11:55:221
150899108,1cyclictest703-21snmpd08:08:111
150899106,3cyclictest703-21snmpd09:54:021
1508991010,0cyclictest294-21hwrng09:44:281
15089999,0cyclictest294-21hwrng08:39:571
15089999,0cyclictest21140-21ntp_offset10:30:161
15089998,1cyclictest703-21snmpd11:38:021
15089998,1cyclictest703-21snmpd10:07:121
15089998,1cyclictest703-21snmpd09:36:161
15089998,1cyclictest703-21snmpd08:00:351
15089998,1cyclictest703-21snmpd07:52:011
15089998,1cyclictest20406-21unixbench_multi11:05:221
15089996,3cyclictest703-21snmpd07:31:221
15089995,3cyclictest703-21snmpd08:27:471
15089988,0cyclictest703-21snmpd12:35:261
15089988,0cyclictest703-21snmpd12:06:551
15089988,0cyclictest703-21snmpd11:31:021
15089988,0cyclictest703-21snmpd09:47:591
15089988,0cyclictest294-21hwrng12:10:541
15089988,0cyclictest294-21hwrng11:19:431
15089988,0cyclictest294-21hwrng10:15:111
15089988,0cyclictest294-21hwrng09:55:441
15089988,0cyclictest294-21hwrng08:58:231
15089988,0cyclictest294-21hwrng08:50:131
15089988,0cyclictest294-21hwrng08:49:101
15089988,0cyclictest294-21hwrng08:44:031
15089988,0cyclictest294-21hwrng08:32:471
15089988,0cyclictest294-21hwrng07:26:141
15089988,0cyclictest294-21hwrng07:10:521
15089987,1cyclictest703-21snmpd12:01:161
15089987,1cyclictest703-21snmpd11:41:561
15089987,1cyclictest703-21snmpd07:49:221
15089987,1cyclictest30022-21latency10:40:151
15089987,1cyclictest294-21hwrng11:51:261
15089986,2cyclictest703-21snmpd10:29:361
15089986,2cyclictest703-21snmpd10:23:091
15089986,2cyclictest703-21snmpd09:21:431
15089986,2cyclictest703-21snmpd09:17:131
15089986,2cyclictest703-21snmpd08:11:501
15089986,2cyclictest703-21snmpd07:38:561
15089986,1cyclictest703-21snmpd07:43:311
15089985,3cyclictest703-21snmpd12:20:451
15089985,3cyclictest12772-21ntpq09:05:171
15089985,3cyclictest1134-21fw_forwarded_lo11:20:141
15089985,2cyclictest703-21snmpd12:26:401
15089985,2cyclictest703-21snmpd11:02:341
15089985,2cyclictest703-21snmpd08:15:121
15089985,2cyclictest703-21snmpd07:23:061
15089984,3cyclictest703-21snmpd07:59:501
15089977,0cyclictest703-21snmpd09:25:531
15089977,0cyclictest703-21snmpd09:01:031
15089977,0cyclictest294-21hwrng12:19:051
15089977,0cyclictest294-21hwrng11:46:191
15089977,0cyclictest294-21hwrng10:55:071
15089977,0cyclictest294-21hwrng10:14:111
15089976,1cyclictest703-21snmpd09:30:381
15089976,1cyclictest703-21snmpd08:22:141
15089976,1cyclictest3870-21cat07:15:161
15089975,2cyclictest24182-21cat11:10:151
15089974,2cyclictest703-21snmpd12:31:501
15089974,2cyclictest703-21snmpd11:28:121
15089974,2cyclictest703-21snmpd10:37:121
15089973,3cyclictest703-21snmpd09:10:191
15089966,0cyclictest294-21hwrng10:51:021
15089962,3cyclictest703-21snmpd10:45:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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