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2026-07-29 - 15:15

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 Wed Jul 29, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8476991818,0cyclictest743-21snmpd12:30:082
8465991818,0cyclictest65850irq/126-lan12:30:220
8465991818,0cyclictest65850irq/126-lan10:55:200
8465991817,1cyclictest65850irq/126-lan12:36:590
8465991817,1cyclictest65850irq/126-lan12:20:110
8465991817,1cyclictest65850irq/126-lan12:00:130
8476991717,0cyclictest743-21snmpd11:29:302
8476991717,0cyclictest743-21snmpd10:36:582
8476991717,0cyclictest743-21snmpd10:31:102
8476991717,0cyclictest743-21snmpd10:09:152
8476991717,0cyclictest743-21snmpd08:16:282
8476991717,0cyclictest743-21snmpd07:56:052
8476991717,0cyclictest21706-21cat07:40:152
8465991717,0cyclictest65850irq/126-lan11:20:070
8465991717,0cyclictest65850irq/126-lan07:40:160
8465991716,1cyclictest65850irq/126-lan11:40:230
8465991716,1cyclictest65850irq/126-lan11:30:150
8465991716,1cyclictest65850irq/126-lan10:15:120
8465991716,1cyclictest65850irq/126-lan07:35:210
8465991716,1cyclictest65850irq/126-lan07:30:210
8465991716,1cyclictest65850irq/126-lan07:15:130
8465991715,1cyclictest65850irq/126-lan07:55:160
8476991616,0cyclictest743-21snmpd12:14:022
8476991616,0cyclictest743-21snmpd12:07:132
8476991616,0cyclictest743-21snmpd11:38:392
8476991616,0cyclictest743-21snmpd11:32:392
8476991616,0cyclictest743-21snmpd10:44:142
8476991616,0cyclictest743-21snmpd09:25:382
8476991616,0cyclictest743-21snmpd09:16:022
8476991616,0cyclictest743-21snmpd08:45:212
8476991616,0cyclictest4044-21cat10:55:142
8476991616,0cyclictest1712-21cat09:30:152
8465991616,0cyclictest65850irq/126-lan11:45:180
8465991616,0cyclictest65850irq/126-lan10:50:170
8465991616,0cyclictest65850irq/126-lan10:00:130
8465991616,0cyclictest65850irq/126-lan08:00:170
8465991615,1cyclictest65850irq/126-lan09:35:150
8465991615,1cyclictest65850irq/126-lan09:00:120
8465991615,1cyclictest65850irq/126-lan08:38:240
8465991615,1cyclictest65850irq/126-lan07:20:160
8465991515,0cyclictest65850irq/126-lan12:25:180
8465991515,0cyclictest65850irq/126-lan10:30:230
8465991515,0cyclictest65850irq/126-lan09:15:100
8465991515,0cyclictest65850irq/126-lan08:50:130
8465991515,0cyclictest65850irq/126-lan07:45:150
8465991514,1cyclictest65850irq/126-lan11:35:160
8465991514,1cyclictest65850irq/126-lan11:15:160
8465991514,1cyclictest65850irq/126-lan09:55:140
8465991514,1cyclictest65850irq/126-lan09:25:200
8465991514,1cyclictest65850irq/126-lan09:10:130
8465991514,1cyclictest65850irq/126-lan08:15:140
8465991514,1cyclictest65850irq/126-lan08:10:150
8465991514,1cyclictest65850irq/126-lan07:25:180
8465991414,0cyclictest65850irq/126-lan12:05:130
8465991414,0cyclictest65850irq/126-lan11:25:150
8465991414,0cyclictest65850irq/126-lan10:35:170
8465991414,0cyclictest65850irq/126-lan10:11:110
8465991414,0cyclictest65850irq/126-lan08:45:200
8465991413,1cyclictest65850irq/126-lan12:15:190
8465991413,1cyclictest65850irq/126-lan11:00:140
8465991413,1cyclictest65850irq/126-lan10:25:130
8465991413,1cyclictest65850irq/126-lan09:50:170
8465991313,0cyclictest65850irq/126-lan11:06:110
8465991313,0cyclictest65850irq/126-lan10:05:150
8465991313,0cyclictest65850irq/126-lan08:44:110
8465991312,1cyclictest65850irq/126-lan11:50:140
8465991312,1cyclictest65850irq/126-lan07:10:140
8465991212,0cyclictest65850irq/126-lan08:55:160
8465991211,1cyclictest65850irq/126-lan12:10:130
8465991211,1cyclictest65850irq/126-lan10:45:130
8465991111,0cyclictest65850irq/126-lan08:28:230
8465991110,1cyclictest65850irq/126-lan11:55:190
8465991110,1cyclictest65850irq/126-lan11:10:180
8465991110,1cyclictest65850irq/126-lan09:45:140
8465991110,1cyclictest65850irq/126-lan08:05:150
846599109,1cyclictest65850irq/126-lan09:40:130
846599109,1cyclictest65850irq/126-lan08:30:160
846599108,2cyclictest65850irq/126-lan09:20:160
8465991010,0cyclictest65850irq/126-lan10:40:200
8465991010,0cyclictest65850irq/126-lan07:54:360
84809998,1cyclictest743-21snmpd10:57:293
84769998,1cyclictest743-21snmpd11:15:392
84659999,0cyclictest65850irq/126-lan09:33:340
84659998,1cyclictest65850irq/126-lan08:20:170
84809988,0cyclictest743-21snmpd12:28:413
84809988,0cyclictest743-21snmpd08:25:003
84809987,1cyclictest743-21snmpd10:29:403
84809987,1cyclictest743-21snmpd10:07:063
84809987,1cyclictest743-21snmpd09:21:443
84809987,1cyclictest743-21snmpd07:19:103
84809987,1cyclictest741-21lldpd11:48:043
84809987,1cyclictest741-21lldpd09:00:353
84809987,1cyclictest741-21lldpd08:06:573
84809986,2cyclictest743-21snmpd11:10:293
84809986,2cyclictest743-21snmpd11:04:503
84809986,2cyclictest743-21snmpd09:16:533
84809986,2cyclictest743-21snmpd08:38:303
84809986,2cyclictest743-21snmpd08:01:473
84809986,2cyclictest717-21ntpd12:18:213
84809986,2cyclictest717-21ntpd11:59:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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