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2025-11-22 - 21:17

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 100 highest latencies:
System rack8slot7s.osadl.org (updated Sat Nov 22, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31586991918,1cyclictest55650irq/125-lan12:18:001
31586991918,1cyclictest55650irq/125-lan11:58:011
31586991918,1cyclictest55650irq/125-lan11:38:581
31586991918,1cyclictest55650irq/125-lan11:25:421
31586991918,1cyclictest55650irq/125-lan11:15:051
31586991918,1cyclictest55650irq/125-lan11:12:391
31586991918,1cyclictest55650irq/125-lan10:50:191
31586991918,1cyclictest55650irq/125-lan10:25:171
31586991918,1cyclictest55650irq/125-lan10:16:551
31586991918,1cyclictest55650irq/125-lan10:07:251
31586991918,1cyclictest55650irq/125-lan10:02:511
31586991918,1cyclictest55650irq/125-lan09:35:211
31586991918,1cyclictest55650irq/125-lan09:11:011
31586991918,1cyclictest55650irq/125-lan07:51:541
31586991917,1cyclictest55650irq/125-lan10:35:081
31586991818,0cyclictest55650irq/125-lan11:52:271
31586991818,0cyclictest55650irq/125-lan11:20:201
31586991818,0cyclictest55650irq/125-lan09:44:011
31586991818,0cyclictest55650irq/125-lan09:21:121
31586991818,0cyclictest55650irq/125-lan08:53:171
31586991818,0cyclictest55650irq/125-lan07:57:351
31586991817,1cyclictest55650irq/125-lan12:38:301
31586991817,1cyclictest55650irq/125-lan12:30:181
31586991817,1cyclictest55650irq/125-lan12:21:351
31586991817,1cyclictest55650irq/125-lan12:11:061
31586991817,1cyclictest55650irq/125-lan12:06:111
31586991817,1cyclictest55650irq/125-lan11:49:041
31586991817,1cyclictest55650irq/125-lan11:40:121
31586991817,1cyclictest55650irq/125-lan11:30:121
31586991817,1cyclictest55650irq/125-lan11:00:181
31586991817,1cyclictest55650irq/125-lan11:00:181
31586991817,1cyclictest55650irq/125-lan10:55:111
31586991817,1cyclictest55650irq/125-lan10:55:111
31586991817,1cyclictest55650irq/125-lan10:45:181
31586991817,1cyclictest55650irq/125-lan10:32:541
31586991817,1cyclictest55650irq/125-lan10:20:311
31586991817,1cyclictest55650irq/125-lan09:56:531
31586991817,1cyclictest55650irq/125-lan09:51:091
31586991817,1cyclictest55650irq/125-lan09:48:481
31586991817,1cyclictest55650irq/125-lan09:33:521
31586991817,1cyclictest55650irq/125-lan09:25:121
31586991817,1cyclictest55650irq/125-lan09:15:201
31586991817,1cyclictest55650irq/125-lan09:06:071
31586991817,1cyclictest55650irq/125-lan09:04:021
31586991817,1cyclictest55650irq/125-lan08:45:211
31586991817,1cyclictest55650irq/125-lan08:31:171
31586991817,1cyclictest55650irq/125-lan08:15:171
31586991817,1cyclictest55650irq/125-lan07:44:131
31586991817,1cyclictest55650irq/125-lan07:24:101
31586991817,1cyclictest55650irq/125-lan07:18:091
31586991717,0cyclictest55650irq/125-lan12:26:231
31586991717,0cyclictest55650irq/125-lan10:41:131
31586991717,0cyclictest55650irq/125-lan10:10:361
31586991717,0cyclictest55650irq/125-lan08:11:571
31586991717,0cyclictest55650irq/125-lan08:05:021
31586991717,0cyclictest55650irq/125-lan07:29:201
31586991716,1cyclictest55650irq/125-lan12:01:251
31586991716,1cyclictest55650irq/125-lan11:05:101
31586991716,1cyclictest55650irq/125-lan07:33:211
31586991716,1cyclictest55650irq/125-lan07:11:481
31586991616,0cyclictest55650irq/125-lan08:37:401
31586991616,0cyclictest55650irq/125-lan07:49:271
31586991615,1cyclictest55650irq/125-lan08:40:281
31586991615,1cyclictest55650irq/125-lan08:25:181
31586991615,1cyclictest55650irq/125-lan08:20:071
31586991515,0cyclictest294-21hwrng07:37:391
31581991515,0cyclictest294-21hwrng10:22:310
31586991413,1cyclictest55650irq/125-lan08:03:411
31581991414,0cyclictest294-21hwrng12:28:280
31581991414,0cyclictest294-21hwrng11:08:350
31581991414,0cyclictest294-21hwrng10:51:110
31581991414,0cyclictest294-21hwrng10:13:180
31581991414,0cyclictest294-21hwrng10:01:000
31581991414,0cyclictest294-21hwrng09:30:180
31581991414,0cyclictest294-21hwrng09:14:560
31586991312,1cyclictest55650irq/125-lan08:59:591
31581991313,0cyclictest294-21hwrng11:37:160
31581991313,0cyclictest294-21hwrng09:50:460
31581991313,0cyclictest294-21hwrng09:46:410
31581991313,0cyclictest294-21hwrng09:29:150
31581991212,0cyclictest294-21hwrng12:22:190
31581991212,0cyclictest294-21hwrng11:49:330
31581991212,0cyclictest294-21hwrng11:31:070
31581991212,0cyclictest294-21hwrng07:38:400
31581991212,0cyclictest294-21hwrng07:25:210
31581991210,2cyclictest1765-21cat09:35:180
31581991111,0cyclictest294-21hwrng12:37:410
31581991111,0cyclictest294-21hwrng11:55:420
31581991111,0cyclictest294-21hwrng08:52:240
31581991111,0cyclictest294-21hwrng08:33:580
31581991111,0cyclictest294-21hwrng08:04:170
31581991111,0cyclictest294-21hwrng07:40:440
3158199107,2cyclictest703-21snmpd08:13:020
31581991010,0cyclictest294-21hwrng12:33:350
31581991010,0cyclictest294-21hwrng12:12:050
31581991010,0cyclictest294-21hwrng12:06:580
31581991010,0cyclictest294-21hwrng10:40:570
31581991010,0cyclictest294-21hwrng10:39:550
31581991010,0cyclictest294-21hwrng10:15:210
31581991010,0cyclictest294-21hwrng10:07:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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