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2026-07-02 - 07:43

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 Thu Jul 02, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20540991818,0cyclictest65850irq/126-lan21:19:370
20540991818,0cyclictest65850irq/126-lan21:05:170
20540991817,1cyclictest65850irq/126-lan23:15:110
20540991817,1cyclictest65850irq/126-lan22:55:130
20540991817,1cyclictest65850irq/126-lan22:10:140
20540991817,1cyclictest65850irq/126-lan20:50:120
20540991817,1cyclictest65850irq/126-lan20:50:120
20540991717,0cyclictest65850irq/126-lan23:36:100
20540991717,0cyclictest65850irq/126-lan21:30:130
20540991717,0cyclictest65850irq/126-lan00:10:220
20540991716,1cyclictest65850irq/126-lan23:50:140
20540991716,1cyclictest65850irq/126-lan22:00:110
20540991716,1cyclictest65850irq/126-lan20:40:120
20540991716,1cyclictest65850irq/126-lan19:40:160
20540991716,1cyclictest65850irq/126-lan00:15:110
20540991616,0cyclictest65850irq/126-lan19:55:110
20540991616,0cyclictest65850irq/126-lan00:31:200
20540991616,0cyclictest65850irq/126-lan00:20:490
20540991615,1cyclictest65850irq/126-lan23:45:110
20540991615,1cyclictest65850irq/126-lan23:25:120
20540991615,1cyclictest65850irq/126-lan23:10:160
20540991615,1cyclictest65850irq/126-lan22:45:150
20540991615,1cyclictest65850irq/126-lan22:35:160
20540991615,1cyclictest65850irq/126-lan21:45:200
20540991615,1cyclictest65850irq/126-lan20:55:150
20540991615,1cyclictest65850irq/126-lan20:30:170
20540991615,1cyclictest65850irq/126-lan20:25:150
20540991615,1cyclictest65850irq/126-lan19:50:190
20540991615,1cyclictest65850irq/126-lan19:32:500
20540991615,1cyclictest65850irq/126-lan00:05:160
20540991515,0cyclictest65850irq/126-lan23:40:110
20540991515,0cyclictest65850irq/126-lan21:50:120
20540991515,0cyclictest65850irq/126-lan21:35:140
20540991515,0cyclictest65850irq/126-lan00:25:190
20540991514,1cyclictest65850irq/126-lan22:50:190
20540991514,1cyclictest65850irq/126-lan22:25:170
20540991514,1cyclictest65850irq/126-lan22:07:100
20540991514,1cyclictest65850irq/126-lan21:40:140
20540991514,1cyclictest65850irq/126-lan21:00:130
20540991514,1cyclictest65850irq/126-lan00:00:160
20540991414,0cyclictest65850irq/126-lan19:49:190
20540991413,1cyclictest65850irq/126-lan23:20:210
20540991413,1cyclictest65850irq/126-lan21:20:150
20540991413,1cyclictest65850irq/126-lan20:45:180
20540991413,1cyclictest65850irq/126-lan20:00:200
20540991313,0cyclictest65850irq/126-lan22:40:200
20540991313,0cyclictest65850irq/126-lan20:35:190
20540991313,0cyclictest65850irq/126-lan19:10:190
20540991312,1cyclictest65850irq/126-lan23:00:190
20540991312,1cyclictest65850irq/126-lan22:20:150
20540991312,1cyclictest65850irq/126-lan21:10:100
20540991312,1cyclictest65850irq/126-lan20:15:130
20540991312,1cyclictest65850irq/126-lan20:05:200
20540991312,1cyclictest65850irq/126-lan19:15:210
20540991312,1cyclictest65850irq/126-lan00:38:370
20540991212,0cyclictest65850irq/126-lan23:30:190
20540991212,0cyclictest65850irq/126-lan21:55:120
20540991212,0cyclictest65850irq/126-lan20:20:160
20540991211,1cyclictest65850irq/126-lan22:30:150
20540991211,1cyclictest65850irq/126-lan22:15:120
20540991211,1cyclictest65850irq/126-lan21:25:160
20540991111,0cyclictest65850irq/126-lan19:25:190
20540991110,1cyclictest65850irq/126-lan23:55:140
20540991110,1cyclictest65850irq/126-lan23:05:120
2054099109,1cyclictest65850irq/126-lan19:35:130
205579998,1cyclictest743-21snmpd00:37:163
205519998,1cyclictest743-21snmpd23:26:282
205519998,1cyclictest743-21snmpd22:07:442
205519998,1cyclictest743-21snmpd20:49:022
205469998,1cyclictest743-21snmpd20:50:021
205469998,1cyclictest743-21snmpd20:50:021
205469998,1cyclictest743-21snmpd19:39:501
205579988,0cyclictest743-21snmpd23:53:473
205579988,0cyclictest743-21snmpd21:17:033
205579988,0cyclictest743-21snmpd20:18:343
205579988,0cyclictest743-21snmpd19:43:333
205579988,0cyclictest741-21lldpd22:37:213
205579988,0cyclictest741-21lldpd20:41:313
205579987,1cyclictest743-21snmpd22:44:243
205579986,2cyclictest743-21snmpd21:35:133
205519988,0cyclictest743-21snmpd22:39:302
205519988,0cyclictest743-21snmpd21:00:082
205519988,0cyclictest743-21snmpd20:31:042
205519988,0cyclictest741-21lldpd23:14:262
205519988,0cyclictest741-21lldpd19:58:372
205519987,1cyclictest743-21snmpd23:03:002
205519987,1cyclictest741-21lldpd22:21:052
205519986,2cyclictest743-21snmpd22:15:022
205519986,2cyclictest743-21snmpd21:56:542
205519986,2cyclictest743-21snmpd21:47:312
205519986,2cyclictest743-21snmpd20:59:382
205519986,2cyclictest743-21snmpd20:42:582
205519986,2cyclictest743-21snmpd20:04:152
205519986,2cyclictest743-21snmpd19:15:562
205469988,0cyclictest743-21snmpd22:48:411
205469988,0cyclictest743-21snmpd19:59:451
205469988,0cyclictest741-21lldpd21:58:331
205469988,0cyclictest741-21lldpd20:36:351
205469987,1cyclictest743-21snmpd22:53:451
205469987,1cyclictest743-21snmpd20:41:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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