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2026-07-22 - 09:47

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 Wed Jul 22, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22584992017,1cyclictest65850irq/126-lan23:05:190
22584991918,1cyclictest65850irq/126-lan23:35:130
22584991918,1cyclictest65850irq/126-lan23:10:180
22584991918,1cyclictest65850irq/126-lan22:40:120
22584991818,0cyclictest65850irq/126-lan20:15:130
22584991817,0cyclictest65850irq/126-lan21:16:020
22584991817,0cyclictest65850irq/126-lan21:16:020
22584991717,0cyclictest65850irq/126-lan22:55:140
22584991717,0cyclictest65850irq/126-lan22:30:020
22584991717,0cyclictest65850irq/126-lan21:35:150
22584991717,0cyclictest65850irq/126-lan20:35:150
22584991717,0cyclictest65850irq/126-lan00:39:220
22584991716,1cyclictest65850irq/126-lan23:50:170
22584991716,1cyclictest65850irq/126-lan21:00:170
22584991716,1cyclictest65850irq/126-lan19:50:100
22584991716,1cyclictest65850irq/126-lan00:25:140
22584991716,1cyclictest65850irq/126-lan00:10:160
22584991716,1cyclictest65850irq/126-lan00:05:160
22584991616,0cyclictest65850irq/126-lan20:25:130
22584991616,0cyclictest65850irq/126-lan19:40:210
22584991615,1cyclictest65850irq/126-lan23:15:150
22584991615,1cyclictest65850irq/126-lan23:00:190
22584991615,1cyclictest65850irq/126-lan22:25:140
22584991615,1cyclictest65850irq/126-lan22:20:110
22584991615,1cyclictest65850irq/126-lan22:05:240
22584991615,1cyclictest65850irq/126-lan21:40:150
22584991615,1cyclictest65850irq/126-lan21:25:150
22584991615,1cyclictest65850irq/126-lan20:55:470
22584991615,1cyclictest65850irq/126-lan20:45:120
22584991515,0cyclictest65850irq/126-lan22:15:130
22584991515,0cyclictest65850irq/126-lan20:40:200
22584991515,0cyclictest65850irq/126-lan19:30:130
22584991514,1cyclictest65850irq/126-lan23:45:170
22584991514,1cyclictest65850irq/126-lan23:40:140
22584991514,1cyclictest65850irq/126-lan22:45:170
22584991514,1cyclictest65850irq/126-lan21:45:130
22584991514,1cyclictest65850irq/126-lan20:10:010
22584991514,1cyclictest65850irq/126-lan20:05:140
22584991514,1cyclictest65850irq/126-lan00:20:140
22584991514,1cyclictest65850irq/126-lan00:00:210
22584991414,0cyclictest65850irq/126-lan19:36:180
22584991413,1cyclictest65850irq/126-lan23:30:110
22584991413,1cyclictest65850irq/126-lan21:50:140
22584991413,1cyclictest65850irq/126-lan21:20:160
22584991413,1cyclictest65850irq/126-lan21:20:160
22584991413,1cyclictest65850irq/126-lan20:50:200
22584991413,1cyclictest65850irq/126-lan20:04:180
22584991413,1cyclictest65850irq/126-lan00:15:210
22584991313,0cyclictest65850irq/126-lan21:10:140
22584991312,1cyclictest65850irq/126-lan23:20:130
22584991312,1cyclictest65850irq/126-lan22:00:170
22584991312,1cyclictest65850irq/126-lan21:30:120
22584991312,1cyclictest65850irq/126-lan20:30:210
22584991312,1cyclictest65850irq/126-lan19:55:220
22584991312,1cyclictest65850irq/126-lan19:45:200
22584991312,1cyclictest65850irq/126-lan19:25:130
22584991312,1cyclictest65850irq/126-lan19:20:200
22584991312,1cyclictest65850irq/126-lan19:15:160
22584991312,1cyclictest65850irq/126-lan00:34:040
22584991212,0cyclictest65850irq/126-lan22:35:220
22584991211,1cyclictest65850irq/126-lan21:05:160
22584991111,0cyclictest65850irq/126-lan22:50:000
22584991111,0cyclictest65850irq/126-lan19:10:170
22584991110,1cyclictest65850irq/126-lan20:20:190
22593991010,0cyclictest13380-21fwupd20:05:012
2258499109,1cyclictest65850irq/126-lan22:10:150
2258499109,1cyclictest65850irq/126-lan21:55:140
22584991010,0cyclictest65850irq/126-lan23:25:120
225999998,1cyclictest743-21snmpd00:13:563
225999998,1cyclictest743-21snmpd00:06:473
225999998,1cyclictest741-21lldpd22:13:223
225999998,1cyclictest741-21lldpd21:34:593
225939998,1cyclictest743-21snmpd23:25:102
225939998,1cyclictest743-21snmpd22:36:452
225939998,1cyclictest741-21lldpd23:53:542
225899998,1cyclictest743-21snmpd21:00:291
225849999,0cyclictest65850irq/126-lan23:55:150
225999988,0cyclictest743-21snmpd23:28:163
225999988,0cyclictest743-21snmpd22:31:473
225999988,0cyclictest741-21lldpd22:35:033
225999988,0cyclictest741-21lldpd19:27:033
225999988,0cyclictest741-21lldpd00:25:523
225999987,1cyclictest743-21snmpd23:20:013
225999987,1cyclictest743-21snmpd21:59:223
225999987,1cyclictest743-21snmpd19:57:033
225999987,1cyclictest743-21snmpd19:43:293
225999987,1cyclictest741-21lldpd23:59:003
225999987,1cyclictest741-21lldpd22:21:103
225999987,1cyclictest741-21lldpd20:07:243
225999986,2cyclictest743-21snmpd23:50:383
225999986,2cyclictest743-21snmpd23:02:123
225999986,2cyclictest743-21snmpd22:49:533
225999986,2cyclictest743-21snmpd21:14:273
225999986,2cyclictest743-21snmpd20:55:263
225999986,2cyclictest743-21snmpd20:37:433
225939988,0cyclictest743-21snmpd20:47:412
225939988,0cyclictest743-21snmpd19:55:032
225939988,0cyclictest741-21lldpd20:16:342
225939988,0cyclictest741-21lldpd19:40:142
225939987,1cyclictest741-21lldpd23:00:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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