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2026-06-28 - 03:42

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 Sun Jun 28, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28961991818,0cyclictest65850irq/126-lan23:20:000
28961991817,1cyclictest65850irq/126-lan23:52:160
28961991817,1cyclictest65850irq/126-lan23:40:150
28961991817,1cyclictest65850irq/126-lan23:05:220
28961991817,1cyclictest65850irq/126-lan22:02:340
28961991817,1cyclictest65850irq/126-lan22:00:010
28961991817,1cyclictest65850irq/126-lan21:35:210
28961991817,1cyclictest65850irq/126-lan21:25:220
28961991817,1cyclictest65850irq/126-lan21:10:140
28961991817,1cyclictest65850irq/126-lan20:40:130
28961991817,1cyclictest65850irq/126-lan20:30:180
28961991817,1cyclictest65850irq/126-lan20:05:000
28961991717,0cyclictest65850irq/126-lan22:40:130
28961991717,0cyclictest65850irq/126-lan21:50:140
28961991717,0cyclictest65850irq/126-lan20:25:110
28961991717,0cyclictest65850irq/126-lan19:18:190
28961991716,1cyclictest65850irq/126-lan22:05:130
28961991716,1cyclictest65850irq/126-lan19:50:110
28961991716,1cyclictest65850irq/126-lan19:40:150
28961991716,1cyclictest65850irq/126-lan00:05:170
28961991716,1cyclictest65850irq/126-lan00:00:160
28961991616,0cyclictest65850irq/126-lan22:57:340
28961991616,0cyclictest65850irq/126-lan21:45:140
28961991616,0cyclictest65850irq/126-lan21:08:340
28961991615,1cyclictest65850irq/126-lan23:55:170
28961991615,1cyclictest65850irq/126-lan23:30:180
28961991615,1cyclictest65850irq/126-lan23:10:130
28961991615,1cyclictest65850irq/126-lan22:25:210
28961991615,1cyclictest65850irq/126-lan22:15:140
28961991615,1cyclictest65850irq/126-lan21:00:210
28961991615,1cyclictest65850irq/126-lan20:40:000
28961991615,1cyclictest65850irq/126-lan20:05:140
28961991615,1cyclictest65850irq/126-lan19:25:210
28961991515,0cyclictest65850irq/126-lan23:17:400
28961991515,0cyclictest65850irq/126-lan21:34:100
28961991515,0cyclictest65850irq/126-lan20:20:190
28961991515,0cyclictest65850irq/126-lan19:55:210
28961991515,0cyclictest65850irq/126-lan19:47:350
28961991515,0cyclictest65850irq/126-lan19:10:130
28961991514,1cyclictest65850irq/126-lan23:35:200
28961991514,1cyclictest65850irq/126-lan23:00:140
28961991514,1cyclictest65850irq/126-lan22:50:160
28961991514,1cyclictest65850irq/126-lan21:20:160
28961991514,1cyclictest65850irq/126-lan20:10:100
28961991514,1cyclictest65850irq/126-lan00:30:190
28961991514,1cyclictest65850irq/126-lan00:25:200
28961991413,1cyclictest65850irq/126-lan23:25:140
28961991413,1cyclictest65850irq/126-lan22:45:150
28961991413,1cyclictest65850irq/126-lan20:55:150
28961991413,1cyclictest65850irq/126-lan19:24:020
28961991413,1cyclictest65850irq/126-lan00:10:230
28961991312,1cyclictest65850irq/126-lan22:20:120
28961991312,1cyclictest65850irq/126-lan20:15:160
28961991212,0cyclictest65850irq/126-lan20:45:190
28961991212,0cyclictest65850irq/126-lan00:20:200
28961991211,1cyclictest65850irq/126-lan21:40:130
28961991211,1cyclictest65850irq/126-lan19:35:130
28961991211,1cyclictest65850irq/126-lan00:35:170
28961991111,0cyclictest65850irq/126-lan23:49:340
28961991110,1cyclictest65850irq/126-lan21:15:180
28961991110,1cyclictest65850irq/126-lan19:30:180
2897499109,1cyclictest743-21snmpd21:09:283
2896199109,1cyclictest65850irq/126-lan22:35:200
2896199109,1cyclictest65850irq/126-lan22:35:010
28961991010,0cyclictest65850irq/126-lan22:10:140
289749998,1cyclictest743-21snmpd22:34:033
289749998,1cyclictest743-21snmpd21:28:303
289749995,3cyclictest24087-21grep21:35:143
289709998,1cyclictest743-21snmpd00:35:312
289659998,1cyclictest741-21lldpd22:25:011
289619999,0cyclictest65850irq/126-lan00:18:190
289749988,0cyclictest743-21snmpd22:48:303
289749988,0cyclictest743-21snmpd20:28:413
289749988,0cyclictest743-21snmpd19:15:543
289749988,0cyclictest741-21lldpd23:53:383
289749988,0cyclictest741-21lldpd19:46:453
289749987,1cyclictest743-21snmpd20:55:053
289749987,1cyclictest743-21snmpd19:43:583
289749987,1cyclictest743-21snmpd19:23:233
289749987,1cyclictest743-21snmpd00:30:463
289749986,2cyclictest743-21snmpd23:41:323
289749986,2cyclictest743-21snmpd23:37:503
289749986,2cyclictest743-21snmpd23:20:173
289749986,2cyclictest743-21snmpd20:44:203
289749986,2cyclictest743-21snmpd20:02:503
289749986,2cyclictest743-21snmpd19:30:573
289709988,0cyclictest743-21snmpd20:23:052
289709988,0cyclictest743-21snmpd00:32:342
289709988,0cyclictest741-21lldpd22:18:202
289709988,0cyclictest741-21lldpd19:38:222
289709988,0cyclictest741-21lldpd19:27:172
289709988,0cyclictest741-21lldpd00:25:152
289709988,0cyclictest522-21avahi-daemon00:24:262
289709987,1cyclictest743-21snmpd22:12:452
289709987,1cyclictest741-21lldpd19:50:502
289709986,2cyclictest743-21snmpd23:35:292
289709986,2cyclictest743-21snmpd22:54:222
289709986,2cyclictest743-21snmpd21:52:352
289709986,2cyclictest743-21snmpd21:44:532
289709986,2cyclictest743-21snmpd20:26:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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