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2026-06-27 - 03:14

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 Jun 27, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6559991918,1cyclictest65850irq/126-lan23:24:260
6559991818,0cyclictest65850irq/126-lan20:05:200
6559991817,1cyclictest65850irq/126-lan22:45:190
6559991817,1cyclictest65850irq/126-lan20:40:110
6559991817,1cyclictest65850irq/126-lan20:25:130
6559991817,1cyclictest65850irq/126-lan19:52:420
6559991817,1cyclictest65850irq/126-lan00:12:330
6559991716,1cyclictest65850irq/126-lan23:40:170
6559991716,1cyclictest65850irq/126-lan21:48:250
6559991716,1cyclictest65850irq/126-lan21:48:250
6559991716,1cyclictest65850irq/126-lan21:00:180
6559991716,1cyclictest65850irq/126-lan20:30:170
6559991716,1cyclictest65850irq/126-lan20:03:440
6559991716,1cyclictest65850irq/126-lan19:45:120
6559991716,1cyclictest65850irq/126-lan19:15:170
6559991716,1cyclictest65850irq/126-lan00:25:220
6559991716,1cyclictest65850irq/126-lan00:24:320
6559991616,0cyclictest65850irq/126-lan23:05:280
6559991616,0cyclictest65850irq/126-lan22:54:320
6559991616,0cyclictest65850irq/126-lan22:15:110
6559991616,0cyclictest65850irq/126-lan00:16:320
6559991615,1cyclictest65850irq/126-lan23:35:130
6559991615,1cyclictest65850irq/126-lan23:15:120
6559991615,1cyclictest65850irq/126-lan23:00:130
6559991615,1cyclictest65850irq/126-lan22:30:200
6559991615,1cyclictest65850irq/126-lan22:10:190
6559991615,1cyclictest65850irq/126-lan22:00:190
6559991615,1cyclictest65850irq/126-lan20:50:110
6559991615,1cyclictest65850irq/126-lan20:10:180
6559991615,1cyclictest65850irq/126-lan19:10:200
6559991515,0cyclictest65850irq/126-lan23:55:100
6559991515,0cyclictest65850irq/126-lan22:55:080
6559991515,0cyclictest65850irq/126-lan22:05:160
6559991515,0cyclictest65850irq/126-lan21:28:260
6559991515,0cyclictest65850irq/126-lan19:25:190
6559991514,1cyclictest65850irq/126-lan23:45:120
6559991514,1cyclictest65850irq/126-lan21:21:000
6559991514,1cyclictest65850irq/126-lan21:08:310
6559991514,1cyclictest65850irq/126-lan20:55:000
6559991514,1cyclictest65850irq/126-lan20:20:110
6559991514,1cyclictest65850irq/126-lan19:40:150
6559991514,1cyclictest65850irq/126-lan19:30:140
6559991514,1cyclictest65850irq/126-lan00:35:150
6559991414,0cyclictest65850irq/126-lan22:39:320
6559991414,0cyclictest65850irq/126-lan21:40:110
6559991414,0cyclictest65850irq/126-lan19:22:290
6559991414,0cyclictest65850irq/126-lan00:05:120
6559991413,1cyclictest65850irq/126-lan21:59:120
6559991413,1cyclictest65850irq/126-lan21:35:190
6559991413,1cyclictest65850irq/126-lan20:46:330
6559991313,0cyclictest65850irq/126-lan21:50:120
6559991313,0cyclictest65850irq/126-lan20:19:330
6559991313,0cyclictest65850irq/126-lan00:03:330
6559991312,1cyclictest65850irq/126-lan22:40:120
6559991312,1cyclictest65850irq/126-lan22:25:200
6559991312,1cyclictest65850irq/126-lan21:15:170
6559991312,1cyclictest65850irq/126-lan00:30:140
6559991212,0cyclictest65850irq/126-lan21:12:310
6559991212,0cyclictest65850irq/126-lan20:35:110
6559991211,1cyclictest65850irq/126-lan23:50:120
6559991211,1cyclictest65850irq/126-lan23:10:170
6559991211,1cyclictest65850irq/126-lan22:23:310
6559991211,1cyclictest65850irq/126-lan21:30:180
656499118,3cyclictest741-21lldpd20:53:581
656499108,2cyclictest741-21lldpd20:56:461
656499107,3cyclictest743-21snmpd19:38:071
656499106,4cyclictest743-21snmpd22:28:101
656499103,7cyclictest5330-21grep00:20:131
6559991010,0cyclictest65850irq/126-lan23:29:320
65739998,1cyclictest741-21lldpd22:20:553
65689998,1cyclictest743-21snmpd21:44:142
65689998,1cyclictest743-21snmpd21:26:202
65689998,1cyclictest741-21lldpd23:08:262
65689998,1cyclictest741-21lldpd22:35:072
65649998,1cyclictest743-21snmpd22:43:101
65649998,1cyclictest743-21snmpd19:22:341
65649996,3cyclictest743-21snmpd21:40:441
65649996,3cyclictest743-21snmpd20:35:541
65649996,3cyclictest741-21lldpd19:45:411
65599998,1cyclictest65850irq/126-lan19:55:430
65599998,1cyclictest65850irq/126-lan19:35:170
65739988,0cyclictest743-21snmpd22:58:053
65739988,0cyclictest743-21snmpd22:46:113
65739988,0cyclictest743-21snmpd00:33:203
65739988,0cyclictest741-21lldpd21:41:303
65739988,0cyclictest741-21lldpd00:14:313
65739987,1cyclictest743-21snmpd23:28:273
65739987,1cyclictest743-21snmpd21:03:163
65739987,1cyclictest743-21snmpd20:52:493
65739987,1cyclictest522-21avahi-daemon20:17:323
65739986,2cyclictest743-21snmpd23:10:503
65739986,2cyclictest743-21snmpd23:00:323
65739986,2cyclictest743-21snmpd22:26:103
65739986,2cyclictest743-21snmpd21:19:533
65739986,2cyclictest743-21snmpd21:06:133
65739986,2cyclictest743-21snmpd19:44:353
65739986,2cyclictest743-21snmpd00:17:313
65689988,0cyclictest743-21snmpd21:50:382
65689988,0cyclictest743-21snmpd20:02:532
65689988,0cyclictest743-21snmpd00:27:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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