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2026-07-27 - 17:21

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 Jul 27, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9915991918,1cyclictest65850irq/126-lan08:45:150
9929991818,0cyclictest743-21snmpd10:58:192
9929991818,0cyclictest743-21snmpd10:47:102
9929991818,0cyclictest743-21snmpd09:54:502
9929991818,0cyclictest743-21snmpd09:42:402
9929991818,0cyclictest743-21snmpd08:12:312
9915991818,0cyclictest65850irq/126-lan07:25:180
9915991818,0cyclictest65850irq/126-lan07:25:180
9915991817,1cyclictest65850irq/126-lan12:25:200
9915991817,1cyclictest65850irq/126-lan11:40:170
9915991817,1cyclictest65850irq/126-lan11:10:210
9915991817,1cyclictest65850irq/126-lan10:50:180
9915991817,1cyclictest65850irq/126-lan09:59:080
9915991817,1cyclictest65850irq/126-lan09:45:140
9915991817,1cyclictest65850irq/126-lan09:40:160
9915991817,1cyclictest65850irq/126-lan09:20:150
9915991817,1cyclictest65850irq/126-lan07:10:200
9929991717,0cyclictest743-21snmpd12:03:242
9929991717,0cyclictest743-21snmpd10:52:162
9929991717,0cyclictest743-21snmpd08:49:182
9929991717,0cyclictest743-21snmpd07:55:192
9929991717,0cyclictest743-21snmpd07:49:522
9929991717,0cyclictest743-21snmpd07:32:512
9915991717,0cyclictest65850irq/126-lan07:45:150
9915991716,1cyclictest65850irq/126-lan12:15:220
9915991716,1cyclictest65850irq/126-lan11:25:140
9915991716,1cyclictest65850irq/126-lan10:40:120
9915991716,1cyclictest65850irq/126-lan10:05:170
9915991716,1cyclictest65850irq/126-lan09:30:220
9915991716,1cyclictest65850irq/126-lan07:15:150
9915991616,0cyclictest65850irq/126-lan12:30:200
9915991616,0cyclictest65850irq/126-lan11:46:300
9915991616,0cyclictest65850irq/126-lan10:15:180
9915991616,0cyclictest65850irq/126-lan09:53:190
9915991616,0cyclictest65850irq/126-lan09:35:110
9915991616,0cyclictest65850irq/126-lan09:10:200
9915991615,1cyclictest65850irq/126-lan11:24:460
9915991615,1cyclictest65850irq/126-lan11:15:150
9915991615,1cyclictest65850irq/126-lan10:30:210
9915991615,1cyclictest65850irq/126-lan08:20:160
9915991515,0cyclictest65850irq/126-lan12:35:180
9915991515,0cyclictest65850irq/126-lan11:05:140
9915991515,0cyclictest65850irq/126-lan08:35:270
9915991515,0cyclictest65850irq/126-lan08:25:180
9915991515,0cyclictest65850irq/126-lan07:55:200
9915991515,0cyclictest65850irq/126-lan07:50:180
9915991514,1cyclictest65850irq/126-lan10:10:130
9915991514,1cyclictest65850irq/126-lan09:05:130
9915991514,1cyclictest65850irq/126-lan07:20:130
9915991514,1cyclictest65850irq/126-lan07:20:130
9915991414,0cyclictest65850irq/126-lan11:37:470
9915991414,0cyclictest65850irq/126-lan08:57:450
9915991414,0cyclictest65850irq/126-lan08:50:170
9915991414,0cyclictest65850irq/126-lan07:40:130
9915991413,1cyclictest65850irq/126-lan12:20:130
9915991413,1cyclictest65850irq/126-lan11:55:240
9915991413,1cyclictest65850irq/126-lan11:50:230
9915991313,0cyclictest65850irq/126-lan12:00:160
9915991313,0cyclictest65850irq/126-lan10:20:070
9915991313,0cyclictest65850irq/126-lan09:25:130
9915991313,0cyclictest65850irq/126-lan09:15:170
9915991212,0cyclictest65850irq/126-lan10:55:130
9915991212,0cyclictest65850irq/126-lan10:35:080
9915991212,0cyclictest65850irq/126-lan08:15:170
9915991212,0cyclictest65850irq/126-lan08:00:200
9915991211,1cyclictest65850irq/126-lan11:30:200
9915991211,1cyclictest65850irq/126-lan10:00:160
9915991211,1cyclictest65850irq/126-lan08:30:130
9915991211,1cyclictest65850irq/126-lan07:30:220
993399118,3cyclictest522-21avahi-daemon12:38:453
993399117,1cyclictest743-21snmpd07:38:023
9915991111,0cyclictest65850irq/126-lan09:00:450
9915991110,1cyclictest65850irq/126-lan12:10:160
9915991110,1cyclictest65850irq/126-lan08:40:220
993399107,3cyclictest743-21snmpd10:53:343
993399107,3cyclictest743-21snmpd08:49:303
993399107,3cyclictest741-21lldpd08:04:083
993399107,3cyclictest741-21lldpd07:17:353
993399107,0cyclictest741-21lldpd09:54:483
993399105,1cyclictest0-21swapper/308:20:013
9915991010,0cyclictest65850irq/126-lan10:45:450
9915991010,0cyclictest65850irq/126-lan10:25:140
9915991010,0cyclictest65850irq/126-lan07:35:220
99339998,1cyclictest743-21snmpd11:48:393
99339998,1cyclictest743-21snmpd10:20:303
99339998,1cyclictest743-21snmpd08:42:053
99339996,1cyclictest743-21snmpd10:01:533
99339996,0cyclictest743-21snmpd09:58:563
99339996,0cyclictest743-21snmpd09:36:343
99339996,0cyclictest522-21avahi-daemon10:28:273
99239998,1cyclictest743-21snmpd11:44:051
99239998,1cyclictest743-21snmpd10:53:401
99239998,1cyclictest743-21snmpd10:20:481
99239998,1cyclictest743-21snmpd09:48:591
99239998,1cyclictest743-21snmpd09:05:271
99159998,1cyclictest65850irq/126-lan11:00:160
99159998,1cyclictest65850irq/126-lan08:05:120
99339988,0cyclictest743-21snmpd11:13:343
99339988,0cyclictest743-21snmpd10:17:183
99339987,1cyclictest743-21snmpd12:11:363
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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