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2026-06-19 - 22:47

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 Fri Jun 19, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24287991918,1cyclictest65850irq/126-lan09:30:150
24287991818,0cyclictest65850irq/126-lan10:08:440
24287991818,0cyclictest65850irq/126-lan08:55:130
24287991817,1cyclictest65850irq/126-lan12:00:140
24287991817,1cyclictest65850irq/126-lan10:10:160
24287991817,1cyclictest65850irq/126-lan08:41:110
24287991817,1cyclictest65850irq/126-lan08:32:200
24287991717,0cyclictest65850irq/126-lan09:40:140
24287991717,0cyclictest65850irq/126-lan09:03:280
24287991716,1cyclictest65850irq/126-lan12:25:120
24287991716,1cyclictest65850irq/126-lan11:45:120
24287991716,1cyclictest65850irq/126-lan11:05:000
24287991716,1cyclictest65850irq/126-lan08:20:190
24287991716,1cyclictest65850irq/126-lan08:00:130
24287991716,1cyclictest65850irq/126-lan07:40:140
24287991616,0cyclictest65850irq/126-lan11:50:150
24287991616,0cyclictest65850irq/126-lan11:35:150
24287991616,0cyclictest65850irq/126-lan11:30:140
24287991616,0cyclictest65850irq/126-lan10:55:140
24287991616,0cyclictest65850irq/126-lan10:45:150
24287991616,0cyclictest65850irq/126-lan09:10:210
24287991616,0cyclictest65850irq/126-lan08:10:140
24287991616,0cyclictest65850irq/126-lan07:30:220
24287991615,1cyclictest65850irq/126-lan11:42:230
24287991615,1cyclictest65850irq/126-lan10:40:220
24287991615,1cyclictest65850irq/126-lan08:15:170
24287991615,1cyclictest65850irq/126-lan07:15:000
24287991515,0cyclictest65850irq/126-lan12:35:120
24287991514,1cyclictest65850irq/126-lan12:05:140
24287991514,1cyclictest65850irq/126-lan12:05:130
24287991514,1cyclictest65850irq/126-lan11:25:120
24287991514,1cyclictest65850irq/126-lan11:00:120
24287991514,1cyclictest65850irq/126-lan10:15:180
24287991514,1cyclictest65850irq/126-lan09:25:160
24287991514,1cyclictest65850irq/126-lan08:25:190
24287991514,1cyclictest65850irq/126-lan07:25:110
24287991414,0cyclictest65850irq/126-lan10:25:160
24287991414,0cyclictest65850irq/126-lan08:45:200
24287991413,1cyclictest65850irq/126-lan12:30:130
24287991413,1cyclictest65850irq/126-lan12:17:000
24287991413,1cyclictest65850irq/126-lan11:10:120
24287991413,1cyclictest65850irq/126-lan09:45:210
24287991413,1cyclictest65850irq/126-lan09:05:140
24287991413,1cyclictest65850irq/126-lan08:35:180
24287991413,1cyclictest65850irq/126-lan07:55:200
24287991313,0cyclictest65850irq/126-lan11:23:310
24287991313,0cyclictest65850irq/126-lan10:00:130
24287991313,0cyclictest65850irq/126-lan09:21:200
24287991312,1cyclictest65850irq/126-lan12:20:120
24287991312,1cyclictest65850irq/126-lan10:35:160
24287991312,1cyclictest65850irq/126-lan09:55:180
24287991312,1cyclictest65850irq/126-lan09:50:120
24287991312,1cyclictest65850irq/126-lan07:20:160
24287991212,0cyclictest65850irq/126-lan11:55:200
24287991212,0cyclictest65850irq/126-lan11:19:050
24287991212,0cyclictest65850irq/126-lan10:23:590
24287991212,0cyclictest65850irq/126-lan08:50:150
24287991211,1cyclictest65850irq/126-lan12:10:110
24287991111,0cyclictest65850irq/126-lan09:15:170
24287991111,0cyclictest65850irq/126-lan08:06:360
24287991110,1cyclictest65850irq/126-lan07:45:030
2428799109,1cyclictest65850irq/126-lan07:15:000
243049998,1cyclictest743-21snmpd10:32:293
243049998,1cyclictest743-21snmpd07:51:573
243049996,2cyclictest743-21snmpd09:35:153
242999998,1cyclictest743-21snmpd11:36:372
242999998,1cyclictest743-21snmpd10:17:562
242959998,1cyclictest743-21snmpd07:33:051
242879999,0cyclictest65850irq/126-lan10:30:150
242879999,0cyclictest65850irq/126-lan09:35:130
242879998,1cyclictest65850irq/126-lan07:35:150
243049988,0cyclictest743-21snmpd10:08:313
243049988,0cyclictest741-21lldpd11:20:223
243049988,0cyclictest741-21lldpd10:46:253
243049988,0cyclictest741-21lldpd08:17:303
243049988,0cyclictest741-21lldpd08:07:113
243049988,0cyclictest741-21lldpd07:29:383
243049987,1cyclictest743-21snmpd09:19:543
243049987,1cyclictest741-21lldpd11:17:293
243049987,1cyclictest28266-21cut07:20:003
243049986,2cyclictest743-21snmpd10:26:143
243049986,2cyclictest743-21snmpd09:06:263
243049986,2cyclictest15562-21cat09:25:143
242999988,0cyclictest743-21snmpd12:05:252
242999988,0cyclictest743-21snmpd12:05:252
242999988,0cyclictest743-21snmpd11:55:012
242999988,0cyclictest741-21lldpd11:50:052
242999988,0cyclictest741-21lldpd09:24:052
242999988,0cyclictest741-21lldpd08:25:022
242999988,0cyclictest741-21lldpd08:02:472
242999987,1cyclictest743-21snmpd12:29:142
242999987,1cyclictest743-21snmpd11:45:262
242999987,1cyclictest743-21snmpd11:32:492
242999987,1cyclictest743-21snmpd10:49:572
242999987,1cyclictest743-21snmpd10:10:372
242999987,1cyclictest743-21snmpd09:16:502
242999987,1cyclictest743-21snmpd09:03:142
242999987,1cyclictest743-21snmpd07:14:132
242999987,1cyclictest741-21lldpd07:33:452
242999986,2cyclictest743-21snmpd12:23:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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