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2025-12-13 - 17:47

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #6

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 rack8slot6s.osadl.org (updated Sat Dec 13, 2025 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19876992424,0cyclictest440-21hwrng08:28:402
19881991817,1cyclictest65850irq/126-lan11:50:123
19881991817,1cyclictest65850irq/126-lan11:25:173
19881991817,1cyclictest65850irq/126-lan10:55:213
19876991818,0cyclictest743-21snmpd10:49:262
19876991818,0cyclictest743-21snmpd10:41:182
19876991818,0cyclictest743-21snmpd10:25:422
19876991818,0cyclictest743-21snmpd08:59:472
19872991818,0cyclictest65850irq/126-lan07:17:071
19872991817,1cyclictest65850irq/126-lan08:24:461
19872991817,1cyclictest65850irq/126-lan07:20:081
19864991816,2cyclictest717-21ntpd08:14:200
19881991717,0cyclictest65850irq/126-lan10:15:133
19881991716,1cyclictest65850irq/126-lan12:35:003
19881991716,1cyclictest65850irq/126-lan12:25:163
19881991716,1cyclictest65850irq/126-lan10:25:203
19876991717,0cyclictest743-21snmpd12:21:442
19876991717,0cyclictest743-21snmpd11:17:152
19872991717,0cyclictest440-21hwrng10:56:081
19872991716,1cyclictest65850irq/126-lan09:25:161
19881991616,0cyclictest65850irq/126-lan11:30:133
19881991615,1cyclictest65850irq/126-lan12:15:163
19881991615,1cyclictest65850irq/126-lan12:10:143
19881991615,1cyclictest65850irq/126-lan11:10:153
19881991615,1cyclictest65850irq/126-lan10:35:163
19881991615,1cyclictest65850irq/126-lan10:30:153
19876991616,0cyclictest743-21snmpd10:08:372
19876991615,1cyclictest440-21hwrng12:28:162
19872991616,0cyclictest65850irq/126-lan09:55:191
19872991616,0cyclictest65850irq/126-lan09:50:161
19872991616,0cyclictest65850irq/126-lan09:16:141
19872991616,0cyclictest65850irq/126-lan09:10:001
19872991616,0cyclictest65850irq/126-lan08:50:231
19872991616,0cyclictest65850irq/126-lan08:35:221
19872991616,0cyclictest65850irq/126-lan08:19:451
19872991616,0cyclictest65850irq/126-lan08:19:451
19872991616,0cyclictest65850irq/126-lan07:35:151
19872991615,1cyclictest65850irq/126-lan08:45:221
19881991515,0cyclictest65850irq/126-lan10:20:163
19881991515,0cyclictest440-21hwrng12:23:103
19881991515,0cyclictest440-21hwrng11:38:063
19881991515,0cyclictest440-21hwrng11:24:483
19881991515,0cyclictest440-21hwrng10:53:033
19881991515,0cyclictest440-21hwrng10:42:493
19881991515,0cyclictest440-21hwrng10:12:053
19881991515,0cyclictest440-21hwrng10:05:583
19881991515,0cyclictest440-21hwrng10:04:553
19881991515,0cyclictest440-21hwrng09:45:283
19881991515,0cyclictest440-21hwrng09:26:003
19881991515,0cyclictest440-21hwrng09:21:563
19881991515,0cyclictest440-21hwrng09:13:433
19881991515,0cyclictest440-21hwrng09:00:253
19881991515,0cyclictest440-21hwrng08:51:113
19881991515,0cyclictest440-21hwrng08:43:003
19881991515,0cyclictest440-21hwrng08:35:503
19881991515,0cyclictest440-21hwrng08:09:133
19881991515,0cyclictest440-21hwrng07:49:453
19881991515,0cyclictest440-21hwrng07:41:343
19881991515,0cyclictest440-21hwrng07:27:143
19881991515,0cyclictest440-21hwrng07:10:513
19881991514,1cyclictest65850irq/126-lan11:55:123
19876991515,0cyclictest440-21hwrng11:56:322
19876991515,0cyclictest440-21hwrng11:43:132
19876991515,0cyclictest440-21hwrng10:53:032
19876991515,0cyclictest440-21hwrng10:37:412
19876991515,0cyclictest440-21hwrng10:21:182
19876991515,0cyclictest440-21hwrng10:00:492
19876991515,0cyclictest440-21hwrng09:53:402
19876991515,0cyclictest440-21hwrng09:37:162
19876991515,0cyclictest440-21hwrng09:30:062
19876991515,0cyclictest440-21hwrng09:22:572
19876991515,0cyclictest440-21hwrng09:15:462
19876991515,0cyclictest440-21hwrng08:50:102
19876991515,0cyclictest440-21hwrng08:37:532
19876991515,0cyclictest440-21hwrng08:34:482
19876991515,0cyclictest440-21hwrng08:10:142
19876991515,0cyclictest440-21hwrng08:03:042
19876991515,0cyclictest440-21hwrng07:58:582
19876991515,0cyclictest440-21hwrng07:46:412
19876991515,0cyclictest440-21hwrng07:44:382
19876991515,0cyclictest440-21hwrng07:30:182
19876991515,0cyclictest32159-21cat11:35:152
19876991514,1cyclictest440-21hwrng11:51:252
19876991514,1cyclictest440-21hwrng11:20:422
19876991514,1cyclictest440-21hwrng09:04:302
19872991515,0cyclictest65850irq/126-lan10:00:121
19872991515,0cyclictest440-21hwrng12:28:171
19872991515,0cyclictest440-21hwrng12:24:121
19872991515,0cyclictest440-21hwrng12:05:451
19872991515,0cyclictest440-21hwrng11:56:321
19872991515,0cyclictest440-21hwrng11:41:101
19872991515,0cyclictest440-21hwrng11:31:591
19872991515,0cyclictest440-21hwrng11:19:411
19872991515,0cyclictest440-21hwrng10:51:001
19872991515,0cyclictest440-21hwrng10:42:491
19872991515,0cyclictest440-21hwrng10:36:401
19872991515,0cyclictest440-21hwrng10:34:371
19872991515,0cyclictest440-21hwrng10:20:171
19872991515,0cyclictest440-21hwrng10:14:091
19872991515,0cyclictest440-21hwrng10:06:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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