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2026-08-06 - 21:33

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 Aug 06, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27822991818,0cyclictest65850irq/126-lan11:25:110
27822991817,1cyclictest65850irq/126-lan10:35:140
27822991817,1cyclictest65850irq/126-lan10:20:110
27822991817,1cyclictest65850irq/126-lan08:40:180
27822991717,0cyclictest65850irq/126-lan11:57:530
27822991717,0cyclictest65850irq/126-lan09:54:440
27822991717,0cyclictest65850irq/126-lan09:15:110
27822991717,0cyclictest65850irq/126-lan08:10:210
27822991716,1cyclictest65850irq/126-lan12:23:200
27830991616,0cyclictest9023-21cat09:00:141
27830991616,0cyclictest743-21snmpd12:39:131
27830991616,0cyclictest743-21snmpd12:17:451
27830991616,0cyclictest743-21snmpd09:20:471
27830991616,0cyclictest743-21snmpd09:12:061
27830991616,0cyclictest743-21snmpd07:11:231
27830991616,0cyclictest3288-21cat10:05:151
27830991616,0cyclictest29178-21cat09:50:131
27822991616,0cyclictest65850irq/126-lan12:30:510
27822991616,0cyclictest65850irq/126-lan11:17:580
27822991616,0cyclictest65850irq/126-lan10:05:220
27822991616,0cyclictest65850irq/126-lan09:33:490
27822991616,0cyclictest65850irq/126-lan09:10:110
27822991616,0cyclictest65850irq/126-lan08:35:120
27822991616,0cyclictest65850irq/126-lan08:25:200
27822991615,1cyclictest65850irq/126-lan11:50:200
27822991615,1cyclictest65850irq/126-lan11:20:120
27822991615,1cyclictest65850irq/126-lan10:10:190
27822991615,1cyclictest65850irq/126-lan09:25:170
27822991615,1cyclictest65850irq/126-lan09:22:530
27822991615,1cyclictest65850irq/126-lan08:55:110
27822991615,1cyclictest65850irq/126-lan08:30:110
27822991615,1cyclictest65850irq/126-lan07:35:150
27822991615,1cyclictest65850irq/126-lan07:31:020
27822991615,1cyclictest65850irq/126-lan07:26:550
27822991615,1cyclictest65850irq/126-lan07:15:130
27830991515,0cyclictest743-21snmpd12:34:251
27830991515,0cyclictest743-21snmpd10:51:211
27830991515,0cyclictest743-21snmpd09:43:551
27830991515,0cyclictest743-21snmpd08:47:081
27830991515,0cyclictest17401-21cat10:40:141
27822991515,0cyclictest65850irq/126-lan12:00:200
27822991515,0cyclictest65850irq/126-lan11:10:120
27822991515,0cyclictest65850irq/126-lan11:00:180
27822991515,0cyclictest65850irq/126-lan10:45:200
27822991515,0cyclictest65850irq/126-lan10:30:120
27822991515,0cyclictest65850irq/126-lan07:40:140
27822991514,1cyclictest65850irq/126-lan12:05:170
27822991514,1cyclictest65850irq/126-lan10:50:010
27822991514,1cyclictest65850irq/126-lan10:25:170
27839991414,0cyclictest743-21snmpd12:06:183
27830991414,0cyclictest9333-21cat10:20:131
27830991414,0cyclictest743-21snmpd08:36:531
27822991414,0cyclictest65850irq/126-lan12:10:150
27822991414,0cyclictest65850irq/126-lan11:00:000
27822991414,0cyclictest65850irq/126-lan08:15:200
27822991414,0cyclictest65850irq/126-lan08:05:150
27822991414,0cyclictest65850irq/126-lan07:50:160
27822991413,1cyclictest65850irq/126-lan09:00:150
27834991313,0cyclictest743-21snmpd09:24:422
27822991313,0cyclictest65850irq/126-lan12:35:480
27822991313,0cyclictest65850irq/126-lan12:19:200
27822991313,0cyclictest65850irq/126-lan11:45:140
27822991313,0cyclictest65850irq/126-lan10:15:130
27822991313,0cyclictest65850irq/126-lan09:35:150
27822991313,0cyclictest65850irq/126-lan08:45:210
27822991313,0cyclictest65850irq/126-lan08:20:190
27822991313,0cyclictest65850irq/126-lan07:45:210
27822991313,0cyclictest65850irq/126-lan07:10:140
27822991312,1cyclictest65850irq/126-lan10:00:000
27839991212,0cyclictest743-21snmpd11:16:013
27839991212,0cyclictest743-21snmpd07:30:193
27834991212,0cyclictest743-21snmpd12:18:122
27834991212,0cyclictest743-21snmpd12:14:422
27834991212,0cyclictest743-21snmpd11:09:582
27834991212,0cyclictest743-21snmpd09:01:382
27822991212,0cyclictest743-21snmpd11:33:170
27822991212,0cyclictest65850irq/126-lan11:40:130
27822991212,0cyclictest65850irq/126-lan10:40:120
27822991212,0cyclictest65850irq/126-lan09:40:170
27822991212,0cyclictest65850irq/126-lan08:00:290
27822991211,1cyclictest65850irq/126-lan12:25:210
27822991211,1cyclictest65850irq/126-lan11:35:100
27839991111,0cyclictest743-21snmpd10:15:023
27839991111,0cyclictest743-21snmpd09:33:193
27839991111,0cyclictest743-21snmpd07:44:033
27834991111,0cyclictest743-21snmpd12:28:572
27834991111,0cyclictest743-21snmpd11:03:402
27834991111,0cyclictest743-21snmpd10:47:242
27834991111,0cyclictest743-21snmpd09:34:312
27834991111,0cyclictest743-21snmpd08:59:382
27834991111,0cyclictest743-21snmpd08:18:392
27834991111,0cyclictest25262-21cat08:20:142
27834991111,0cyclictest11971-21fwupd07:49:482
27822991110,1cyclictest65850irq/126-lan07:20:120
27839991010,0cyclictest743-21snmpd12:39:433
27839991010,0cyclictest743-21snmpd12:04:303
27839991010,0cyclictest743-21snmpd10:44:423
27839991010,0cyclictest743-21snmpd10:35:273
27839991010,0cyclictest743-21snmpd10:33:453
27839991010,0cyclictest743-21snmpd09:53:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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