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2026-07-30 - 16:02

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 30, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26015993939,0cyclictest19837-21lspci08:10:031
26010991918,1cyclictest65850irq/126-lan09:25:150
26010991818,0cyclictest743-21snmpd10:45:030
26010991818,0cyclictest65850irq/126-lan11:55:140
26010991818,0cyclictest65850irq/126-lan08:25:100
26010991817,1cyclictest65850irq/126-lan12:15:180
26010991817,1cyclictest65850irq/126-lan12:00:150
26010991817,1cyclictest65850irq/126-lan11:50:180
26010991817,1cyclictest65850irq/126-lan09:35:210
26010991817,1cyclictest65850irq/126-lan08:19:340
26010991817,1cyclictest65850irq/126-lan07:25:130
26010991717,0cyclictest743-21snmpd11:32:550
26010991717,0cyclictest65850irq/126-lan10:21:110
26010991716,1cyclictest65850irq/126-lan11:25:120
26010991716,1cyclictest65850irq/126-lan10:55:010
26010991716,1cyclictest65850irq/126-lan10:50:170
26010991716,1cyclictest65850irq/126-lan08:10:570
26010991716,1cyclictest65850irq/126-lan08:05:170
26010991616,0cyclictest743-21snmpd11:49:410
26010991616,0cyclictest743-21snmpd10:04:310
26010991616,0cyclictest743-21snmpd09:31:000
26010991616,0cyclictest743-21snmpd07:39:450
26010991616,0cyclictest65850irq/126-lan12:35:160
26010991616,0cyclictest65850irq/126-lan12:30:170
26010991616,0cyclictest65850irq/126-lan12:25:120
26010991616,0cyclictest65850irq/126-lan12:05:220
26010991616,0cyclictest65850irq/126-lan11:00:140
26010991616,0cyclictest65850irq/126-lan10:10:120
26010991616,0cyclictest65850irq/126-lan10:05:170
26010991616,0cyclictest65850irq/126-lan09:22:100
26010991616,0cyclictest65850irq/126-lan08:55:180
26010991616,0cyclictest65850irq/126-lan08:04:110
26010991616,0cyclictest65850irq/126-lan07:14:300
26010991615,1cyclictest65850irq/126-lan12:20:070
26010991615,1cyclictest65850irq/126-lan11:40:140
26010991615,1cyclictest65850irq/126-lan09:43:520
26010991615,1cyclictest65850irq/126-lan07:45:120
26010991515,0cyclictest743-21snmpd09:51:390
26010991515,0cyclictest65850irq/126-lan11:15:210
26010991515,0cyclictest65850irq/126-lan10:30:200
26010991515,0cyclictest65850irq/126-lan10:28:410
26010991515,0cyclictest65850irq/126-lan09:15:110
26010991515,0cyclictest65850irq/126-lan08:40:130
26010991515,0cyclictest65850irq/126-lan08:30:210
26010991515,0cyclictest31329-21cat08:35:140
26010991514,1cyclictest65850irq/126-lan11:38:110
26010991514,1cyclictest65850irq/126-lan09:55:140
26010991514,1cyclictest65850irq/126-lan09:05:150
26010991514,1cyclictest65850irq/126-lan07:50:210
26010991514,1cyclictest65850irq/126-lan07:20:160
26010991414,0cyclictest65850irq/126-lan11:13:130
26010991414,0cyclictest65850irq/126-lan10:40:110
26010991414,0cyclictest65850irq/126-lan09:45:010
26010991414,0cyclictest65850irq/126-lan09:10:010
26010991413,1cyclictest65850irq/126-lan10:37:100
26010991413,1cyclictest65850irq/126-lan08:52:410
26010991413,1cyclictest65850irq/126-lan07:55:040
26010991413,1cyclictest65850irq/126-lan07:15:180
26010991313,0cyclictest65850irq/126-lan12:10:150
26010991313,0cyclictest65850irq/126-lan10:15:160
26010991313,0cyclictest65850irq/126-lan07:43:110
26010991312,1cyclictest65850irq/126-lan11:05:110
26010991312,1cyclictest65850irq/126-lan09:00:100
26010991312,1cyclictest65850irq/126-lan07:30:110
26010991212,0cyclictest65850irq/126-lan11:20:160
26010991211,1cyclictest65850irq/126-lan08:20:160
26024991111,0cyclictest14323-21fwupd09:14:413
2601099109,1cyclictest65850irq/126-lan08:45:190
260249998,1cyclictest743-21snmpd12:14:393
260249995,2cyclictest8055-21cat10:15:183
260249992,4cyclictest1001-21uptime11:15:213
260199998,1cyclictest743-21snmpd12:04:502
260199998,1cyclictest743-21snmpd07:10:132
260159998,1cyclictest743-21snmpd11:01:211
260159998,1cyclictest743-21snmpd10:20:341
260159998,1cyclictest741-21lldpd09:45:041
260159998,1cyclictest741-21lldpd08:16:471
260159998,1cyclictest741-21lldpd07:52:541
260159998,1cyclictest741-21lldpd07:31:171
260249988,0cyclictest743-21snmpd11:37:463
260249988,0cyclictest743-21snmpd07:37:023
260249988,0cyclictest741-21lldpd12:20:143
260249988,0cyclictest741-21lldpd10:08:163
260249987,1cyclictest743-21snmpd12:30:483
260249987,1cyclictest743-21snmpd11:49:023
260249987,1cyclictest743-21snmpd11:24:363
260249987,1cyclictest743-21snmpd08:05:063
260249987,1cyclictest741-21lldpd09:41:203
260249986,2cyclictest743-21snmpd10:48:083
260249985,1cyclictest52-21ksoftirqd/312:05:163
260249984,2cyclictest29254-21acpi09:50:123
260249983,2cyclictest0-21swapper/309:45:233
260249981,3cyclictest26307-21cut07:10:103
260199988,0cyclictest743-21snmpd12:05:072
260199988,0cyclictest743-21snmpd11:45:292
260199988,0cyclictest743-21snmpd09:22:242
260199988,0cyclictest743-21snmpd08:47:132
260199988,0cyclictest743-21snmpd08:25:122
260199988,0cyclictest743-21snmpd07:47:442
260199988,0cyclictest741-21lldpd10:15:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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