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2026-08-11 - 00:52

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 Mon Aug 10, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29600991918,1cyclictest65850irq/126-lan11:43:350
29600991918,1cyclictest65850irq/126-lan11:25:110
29600991818,0cyclictest65850irq/126-lan11:56:170
29600991817,1cyclictest65850irq/126-lan11:10:170
29600991817,1cyclictest65850irq/126-lan11:05:210
29600991817,1cyclictest65850irq/126-lan10:05:120
29600991817,1cyclictest65850irq/126-lan09:10:160
29600991817,1cyclictest65850irq/126-lan07:45:180
29600991717,0cyclictest65850irq/126-lan10:25:180
29600991717,0cyclictest65850irq/126-lan10:21:020
29600991717,0cyclictest65850irq/126-lan10:10:130
29600991717,0cyclictest65850irq/126-lan07:55:100
29600991716,1cyclictest65850irq/126-lan11:45:130
29600991716,1cyclictest65850irq/126-lan11:00:130
29600991716,1cyclictest65850irq/126-lan10:50:120
29600991716,1cyclictest65850irq/126-lan08:43:350
29600991716,1cyclictest65850irq/126-lan08:10:210
29600991716,1cyclictest65850irq/126-lan07:31:460
29600991616,0cyclictest65850irq/126-lan12:30:190
29600991616,0cyclictest65850irq/126-lan11:30:120
29600991616,0cyclictest65850irq/126-lan08:30:180
29600991615,1cyclictest65850irq/126-lan12:10:150
29600991615,1cyclictest65850irq/126-lan12:05:190
29600991615,1cyclictest65850irq/126-lan10:30:170
29600991615,1cyclictest65850irq/126-lan10:15:190
29600991615,1cyclictest65850irq/126-lan09:55:150
29600991615,1cyclictest65850irq/126-lan08:35:130
29600991615,1cyclictest65850irq/126-lan08:25:170
29600991615,1cyclictest65850irq/126-lan08:21:500
29600991615,1cyclictest65850irq/126-lan08:15:120
29600991615,1cyclictest65850irq/126-lan07:50:160
29600991615,1cyclictest65850irq/126-lan07:40:140
29600991615,1cyclictest65850irq/126-lan07:35:190
29600991515,0cyclictest65850irq/126-lan10:45:350
29600991515,0cyclictest65850irq/126-lan10:00:170
29600991515,0cyclictest65850irq/126-lan08:57:360
29600991515,0cyclictest65850irq/126-lan07:11:380
29600991514,1cyclictest65850irq/126-lan11:50:140
29600991514,1cyclictest65850irq/126-lan09:40:170
29600991514,1cyclictest65850irq/126-lan09:35:120
29600991514,1cyclictest65850irq/126-lan09:25:200
29600991414,0cyclictest65850irq/126-lan11:36:400
29600991414,0cyclictest65850irq/126-lan10:55:120
29600991414,0cyclictest65850irq/126-lan08:49:550
29600991414,0cyclictest65850irq/126-lan08:05:200
29600991413,1cyclictest65850irq/126-lan09:20:170
29600991413,1cyclictest65850irq/126-lan09:05:200
29600991413,1cyclictest65850irq/126-lan08:00:120
29600991413,1cyclictest65850irq/126-lan07:19:590
29600991313,0cyclictest65850irq/126-lan12:00:190
29600991313,0cyclictest65850irq/126-lan10:35:090
29600991312,1cyclictest65850irq/126-lan12:25:150
29600991312,1cyclictest65850irq/126-lan09:54:520
29600991312,1cyclictest65850irq/126-lan09:15:200
29600991312,1cyclictest65850irq/126-lan07:20:140
29600991212,0cyclictest65850irq/126-lan11:20:140
29600991212,0cyclictest65850irq/126-lan10:40:210
29600991211,1cyclictest65850irq/126-lan12:35:150
29600991211,1cyclictest65850irq/126-lan09:45:180
29600991110,1cyclictest65850irq/126-lan12:20:120
29600991110,1cyclictest65850irq/126-lan07:28:500
2960099109,1cyclictest65850irq/126-lan09:00:150
2960099109,1cyclictest65850irq/126-lan08:50:130
296169998,1cyclictest743-21snmpd11:27:493
296169998,1cyclictest743-21snmpd11:22:453
296169998,1cyclictest743-21snmpd10:19:193
296169998,1cyclictest743-21snmpd08:14:123
296169998,1cyclictest741-21lldpd11:19:223
296169998,1cyclictest741-21lldpd09:03:453
296129998,1cyclictest743-21snmpd07:55:232
296129998,1cyclictest741-21lldpd10:49:592
296129996,3cyclictest32080-21cat12:30:162
296079998,1cyclictest743-21snmpd10:57:121
296079998,1cyclictest743-21snmpd10:28:051
296079998,1cyclictest743-21snmpd08:59:021
296009998,1cyclictest65850irq/126-lan12:15:180
296169988,0cyclictest743-21snmpd11:55:293
296169988,0cyclictest743-21snmpd11:52:073
296169988,0cyclictest743-21snmpd11:14:433
296169988,0cyclictest741-21lldpd09:32:553
296169988,0cyclictest741-21lldpd08:42:183
296169988,0cyclictest741-21lldpd07:55:283
296169987,1cyclictest743-21snmpd12:21:333
296169987,1cyclictest743-21snmpd08:53:593
296169987,1cyclictest743-21snmpd08:17:043
296169987,1cyclictest743-21snmpd07:12:343
296169987,1cyclictest24208-21needreboot12:10:163
296169986,2cyclictest743-21snmpd11:32:373
296169986,2cyclictest743-21snmpd11:08:543
296169986,2cyclictest743-21snmpd10:02:063
296169986,2cyclictest743-21snmpd09:46:393
296169986,2cyclictest743-21snmpd08:47:563
296169986,2cyclictest743-21snmpd08:01:483
296169986,2cyclictest743-21snmpd07:25:553
296169986,2cyclictest743-21snmpd07:22:343
296169986,2cyclictest5827-21grep07:30:133
296169986,2cyclictest30207-21cat08:30:153
296129988,0cyclictest743-21snmpd11:14:132
296129988,0cyclictest743-21snmpd10:30:112
296129988,0cyclictest741-21lldpd11:41:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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