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2026-01-03 - 18:17

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 Sat Jan 03, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6186991919,0cyclictest65850irq/126-lan10:35:490
6186991918,1cyclictest65850irq/126-lan07:55:170
6186991918,1cyclictest65850irq/126-lan07:35:180
6186991818,0cyclictest65850irq/126-lan12:00:190
6186991818,0cyclictest65850irq/126-lan09:40:010
6186991818,0cyclictest65850irq/126-lan09:10:190
6186991818,0cyclictest65850irq/126-lan07:41:540
6186991817,1cyclictest65850irq/126-lan11:44:580
6186991817,1cyclictest65850irq/126-lan10:49:220
6201991717,0cyclictest743-21snmpd10:16:023
6186991717,0cyclictest8830-21cat07:15:150
6186991717,0cyclictest743-21snmpd07:30:240
6186991717,0cyclictest65850irq/126-lan11:45:000
6186991717,0cyclictest65850irq/126-lan07:45:160
6186991716,1cyclictest65850irq/126-lan08:00:150
6186991616,0cyclictest743-21snmpd11:54:320
6186991616,0cyclictest743-21snmpd08:46:280
6186991616,0cyclictest65850irq/126-lan12:25:150
6186991616,0cyclictest65850irq/126-lan10:56:270
6186991616,0cyclictest65850irq/126-lan10:15:180
6186991616,0cyclictest65850irq/126-lan09:30:140
6186991616,0cyclictest65850irq/126-lan08:25:130
6186991616,0cyclictest65850irq/126-lan08:05:110
6186991616,0cyclictest65850irq/126-lan07:11:210
6186991616,0cyclictest5608-21cat09:45:130
6186991615,1cyclictest65850irq/126-lan12:30:190
6186991615,1cyclictest65850irq/126-lan12:20:150
6186991615,1cyclictest65850irq/126-lan12:15:180
6186991615,1cyclictest65850irq/126-lan11:55:160
6186991615,1cyclictest65850irq/126-lan11:35:130
6186991615,1cyclictest65850irq/126-lan11:00:180
6186991615,1cyclictest65850irq/126-lan09:15:150
6201991515,0cyclictest743-21snmpd12:20:483
6186991515,0cyclictest743-21snmpd08:34:110
6186991515,0cyclictest65850irq/126-lan12:10:490
6186991515,0cyclictest65850irq/126-lan11:20:170
6186991515,0cyclictest65850irq/126-lan10:40:360
6186991515,0cyclictest65850irq/126-lan10:20:120
6186991515,0cyclictest65850irq/126-lan10:07:190
6186991515,0cyclictest65850irq/126-lan10:07:190
6186991515,0cyclictest65850irq/126-lan09:55:160
6186991515,0cyclictest65850irq/126-lan09:05:380
6186991515,0cyclictest65850irq/126-lan08:55:130
6186991515,0cyclictest65850irq/126-lan08:20:130
6186991515,0cyclictest65850irq/126-lan07:52:590
6186991514,1cyclictest65850irq/126-lan10:50:160
6186991514,1cyclictest65850irq/126-lan08:40:210
6186991414,0cyclictest743-21snmpd09:04:340
6186991414,0cyclictest743-21snmpd07:28:160
6186991414,0cyclictest65850irq/126-lan12:35:160
6186991414,0cyclictest65850irq/126-lan11:30:230
6186991414,0cyclictest65850irq/126-lan10:00:230
6186991414,0cyclictest65850irq/126-lan10:00:220
6186991414,0cyclictest65850irq/126-lan08:50:310
6186991414,0cyclictest65850irq/126-lan07:20:080
6186991414,0cyclictest1567-21cat09:35:160
6186991413,1cyclictest65850irq/126-lan09:50:190
6186991413,1cyclictest65850irq/126-lan09:25:110
6201991313,0cyclictest743-21snmpd12:29:463
6186991312,1cyclictest65850irq/126-lan11:17:290
6186991312,1cyclictest65850irq/126-lan10:30:170
6186991312,1cyclictest65850irq/126-lan10:10:150
6186991312,1cyclictest65850irq/126-lan09:20:110
6201991212,0cyclictest743-21snmpd11:56:243
6201991212,0cyclictest743-21snmpd11:23:073
6201991212,0cyclictest743-21snmpd08:23:323
6201991212,0cyclictest743-21snmpd07:41:463
6201991212,0cyclictest15732-21cat08:50:253
6186991212,0cyclictest65850irq/126-lan11:25:110
6186991211,1cyclictest65850irq/126-lan11:10:130
6201991111,0cyclictest743-21snmpd12:35:493
6201991111,0cyclictest743-21snmpd12:17:153
6201991111,0cyclictest743-21snmpd12:09:273
6201991111,0cyclictest743-21snmpd11:12:323
6201991111,0cyclictest743-21snmpd11:06:073
6201991111,0cyclictest743-21snmpd11:00:073
6201991111,0cyclictest743-21snmpd10:29:453
6201991111,0cyclictest743-21snmpd09:50:443
6201991111,0cyclictest743-21snmpd09:00:063
6201991111,0cyclictest15326-21cat07:30:143
6186991111,0cyclictest65850irq/126-lan11:05:210
6186991111,0cyclictest65850irq/126-lan10:25:240
6186991111,0cyclictest65850irq/126-lan08:35:110
6186991111,0cyclictest65850irq/126-lan08:10:210
6186991110,1cyclictest65850irq/126-lan12:05:450
6186991110,1cyclictest65850irq/126-lan08:15:130
6201991010,0cyclictest743-21snmpd12:13:283
6201991010,0cyclictest743-21snmpd12:00:033
6201991010,0cyclictest743-21snmpd11:41:213
6201991010,0cyclictest743-21snmpd10:02:063
6201991010,0cyclictest743-21snmpd10:02:053
6201991010,0cyclictest743-21snmpd09:32:233
6201991010,0cyclictest743-21snmpd09:29:073
6201991010,0cyclictest743-21snmpd09:22:163
6201991010,0cyclictest743-21snmpd09:05:153
6201991010,0cyclictest743-21snmpd08:11:483
6201991010,0cyclictest743-21snmpd08:09:263
6201991010,0cyclictest743-21snmpd07:53:223
62019999,0cyclictest743-21snmpd11:19:343
62019998,1cyclictest743-21snmpd10:32:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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