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2025-12-08 - 21:19

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 all highest latencies:
System rack8slot7s.osadl.org (updated Mon Dec 08, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31776991918,1cyclictest55650irq/125-lan12:36:400
31776991918,1cyclictest55650irq/125-lan12:34:360
31776991918,1cyclictest55650irq/125-lan12:25:180
31776991918,1cyclictest55650irq/125-lan12:21:100
31776991918,1cyclictest55650irq/125-lan12:15:460
31776991918,1cyclictest55650irq/125-lan11:55:170
31776991918,1cyclictest55650irq/125-lan11:52:280
31776991918,1cyclictest55650irq/125-lan11:36:310
31776991918,1cyclictest55650irq/125-lan11:33:570
31776991918,1cyclictest55650irq/125-lan11:25:130
31776991918,1cyclictest55650irq/125-lan11:05:580
31776991918,1cyclictest55650irq/125-lan10:57:310
31776991918,1cyclictest55650irq/125-lan10:46:310
31776991918,1cyclictest55650irq/125-lan10:15:170
31776991918,1cyclictest55650irq/125-lan10:08:420
31776991918,1cyclictest55650irq/125-lan10:01:060
31776991918,1cyclictest55650irq/125-lan09:55:350
31776991918,1cyclictest55650irq/125-lan09:45:140
31776991918,1cyclictest55650irq/125-lan09:16:140
31776991918,1cyclictest55650irq/125-lan07:59:560
31781991817,1cyclictest2014-21kworker/1:2+events09:50:231
31776991818,0cyclictest55650irq/125-lan11:16:480
31776991818,0cyclictest55650irq/125-lan11:13:130
31776991818,0cyclictest55650irq/125-lan11:02:370
31776991818,0cyclictest55650irq/125-lan10:20:130
31776991818,0cyclictest55650irq/125-lan10:13:090
31776991818,0cyclictest55650irq/125-lan07:23:150
31776991817,1cyclictest55650irq/125-lan12:10:070
31776991817,1cyclictest55650irq/125-lan12:01:350
31776991817,1cyclictest55650irq/125-lan11:48:270
31776991817,1cyclictest55650irq/125-lan11:40:370
31776991817,1cyclictest55650irq/125-lan10:50:110
31776991817,1cyclictest55650irq/125-lan10:41:450
31776991817,1cyclictest55650irq/125-lan10:37:370
31776991817,1cyclictest55650irq/125-lan10:27:030
31776991817,1cyclictest55650irq/125-lan09:52:410
31776991817,1cyclictest55650irq/125-lan09:36:230
31776991817,1cyclictest55650irq/125-lan09:32:070
31776991817,1cyclictest55650irq/125-lan09:20:150
31776991817,1cyclictest55650irq/125-lan08:30:210
31776991817,1cyclictest55650irq/125-lan08:23:390
31776991817,1cyclictest55650irq/125-lan07:40:360
31776991817,1cyclictest55650irq/125-lan07:35:300
31776991817,1cyclictest55650irq/125-lan07:25:160
31776991717,0cyclictest55650irq/125-lan12:06:450
31776991717,0cyclictest55650irq/125-lan07:51:540
31776991717,0cyclictest55650irq/125-lan07:31:470
31776991717,0cyclictest55650irq/125-lan07:13:020
31776991716,1cyclictest55650irq/125-lan11:20:260
31776991716,1cyclictest55650irq/125-lan10:30:010
31776991716,1cyclictest55650irq/125-lan09:42:510
31776991716,1cyclictest55650irq/125-lan09:25:550
31776991716,1cyclictest55650irq/125-lan08:50:260
31776991716,1cyclictest55650irq/125-lan08:35:370
31776991716,1cyclictest55650irq/125-lan08:05:190
31776991716,1cyclictest55650irq/125-lan07:49:400
31776991716,1cyclictest55650irq/125-lan07:18:180
31776991715,1cyclictest55650irq/125-lan09:10:280
31776991616,0cyclictest55650irq/125-lan08:19:150
31776991615,1cyclictest55650irq/125-lan08:45:250
31776991615,1cyclictest55650irq/125-lan08:29:480
31776991615,1cyclictest55650irq/125-lan08:15:000
31781991515,0cyclictest294-21hwrng11:57:201
31781991515,0cyclictest294-21hwrng10:07:461
31781991515,0cyclictest294-21hwrng08:55:031
31781991515,0cyclictest294-21hwrng08:54:031
31776991514,1cyclictest55650irq/125-lan08:00:530
31781991414,0cyclictest294-21hwrng09:38:041
31781991414,0cyclictest294-21hwrng09:00:101
31781991414,0cyclictest294-21hwrng08:21:161
31776991413,1cyclictest55650irq/125-lan08:57:540
31781991313,0cyclictest294-21hwrng11:37:531
31781991313,0cyclictest294-21hwrng10:40:321
31781991313,0cyclictest294-21hwrng10:33:221
31781991313,0cyclictest294-21hwrng10:29:171
31781991313,0cyclictest294-21hwrng08:27:251
31781991313,0cyclictest294-21hwrng07:44:241
31776991312,1cyclictest55650irq/125-lan09:05:200
31776991312,1cyclictest55650irq/125-lan08:42:590
31781991212,0cyclictest294-21hwrng12:09:381
31781991212,0cyclictest294-21hwrng11:02:021
31781991212,0cyclictest294-21hwrng09:55:291
31781991212,0cyclictest294-21hwrng09:07:211
31781991212,0cyclictest294-21hwrng07:48:301
31776991212,0cyclictest55650irq/125-lan09:04:480
31781991111,0cyclictest294-21hwrng11:27:391
31781991111,0cyclictest294-21hwrng11:15:211
31781991111,0cyclictest294-21hwrng11:13:181
31781991111,0cyclictest294-21hwrng10:21:041
31781991111,0cyclictest294-21hwrng07:28:021
31781991111,0cyclictest294-21hwrng07:11:391
3178199109,1cyclictest29169-21ntp_states09:30:191
3178199106,3cyclictest703-21snmpd10:16:281
31781991010,0cyclictest294-21hwrng11:46:041
31781991010,0cyclictest294-21hwrng11:05:071
31781991010,0cyclictest294-21hwrng07:55:411
31781991010,0cyclictest294-21hwrng07:23:561
31781991010,0cyclictest294-21hwrng07:16:461
317819999,0cyclictest294-21hwrng11:53:151
317819999,0cyclictest294-21hwrng10:55:541
317819999,0cyclictest294-21hwrng10:02:391
317819999,0cyclictest294-21hwrng09:21:421
317819998,1cyclictest703-21snmpd12:20:211
317819997,1cyclictest703-21snmpd09:17:331
317819996,2cyclictest9566-21cat07:35:141
317819996,2cyclictest703-21snmpd09:12:241
317819988,0cyclictest703-21snmpd12:36:091
317819988,0cyclictest703-21snmpd12:27:001
317819988,0cyclictest703-21snmpd11:21:281
317819988,0cyclictest703-21snmpd08:05:071
317819988,0cyclictest703-21snmpd07:32:181
317819988,0cyclictest294-21hwrng10:39:311
317819988,0cyclictest294-21hwrng09:41:081
317819988,0cyclictest294-21hwrng08:36:381
317819988,0cyclictest294-21hwrng08:01:491
317819987,1cyclictest703-21snmpd08:16:481
317819986,2cyclictest703-21snmpd10:53:091
317819985,2cyclictest703-21snmpd12:04:261
317819985,2cyclictest703-21snmpd09:46:551
317819985,2cyclictest703-21snmpd08:45:591
317819985,2cyclictest703-21snmpd07:50:061
317819977,0cyclictest294-21hwrng10:11:521
317819976,1cyclictest703-21snmpd08:34:111
317819976,1cyclictest478-21gmain10:49:241
317819976,1cyclictest25120-21proc_pri09:25:201
317819975,2cyclictest703-21snmpd12:32:241
317819975,1cyclictest703-21snmpd11:43:131
317819966,0cyclictest294-21hwrng08:10:011
317819965,1cyclictest2014-21kworker/1:2+events08:41:231
317819963,2cyclictest703-21snmpd11:32:431
317819952,2cyclictest703-21snmpd12:11:051
317819952,1cyclictest9116-21apt-get12:15:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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