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2026-06-30 - 05:03

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 Tue Jun 30, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9076991818,0cyclictest65850irq/126-lan19:45:110
9076991817,1cyclictest65850irq/126-lan21:10:120
9076991717,0cyclictest65850irq/126-lan23:30:100
9076991717,0cyclictest65850irq/126-lan22:28:520
9076991717,0cyclictest65850irq/126-lan21:25:190
9076991717,0cyclictest65850irq/126-lan20:50:150
9076991717,0cyclictest65850irq/126-lan20:35:120
9076991717,0cyclictest65850irq/126-lan20:04:550
9076991717,0cyclictest65850irq/126-lan00:20:160
9076991716,1cyclictest743-21snmpd22:47:120
9076991716,1cyclictest65850irq/126-lan23:35:140
9076991716,1cyclictest65850irq/126-lan23:22:560
9076991716,1cyclictest65850irq/126-lan21:55:220
9076991716,1cyclictest65850irq/126-lan19:15:220
9076991716,1cyclictest65850irq/126-lan00:10:240
9076991616,0cyclictest743-21snmpd23:19:310
9076991616,0cyclictest65850irq/126-lan22:15:180
9076991616,0cyclictest65850irq/126-lan22:10:120
9076991616,0cyclictest65850irq/126-lan22:05:170
9076991616,0cyclictest65850irq/126-lan20:20:140
9076991616,0cyclictest65850irq/126-lan20:10:000
9076991616,0cyclictest65850irq/126-lan19:40:120
9076991616,0cyclictest65850irq/126-lan19:40:000
9076991615,1cyclictest65850irq/126-lan21:08:400
9076991615,1cyclictest65850irq/126-lan20:25:140
9076991515,0cyclictest743-21snmpd22:53:360
9076991515,0cyclictest743-21snmpd21:52:370
9076991515,0cyclictest743-21snmpd20:34:130
9076991515,0cyclictest65850irq/126-lan23:55:160
9076991515,0cyclictest65850irq/126-lan23:40:200
9076991515,0cyclictest65850irq/126-lan23:05:140
9076991515,0cyclictest65850irq/126-lan23:00:200
9076991515,0cyclictest65850irq/126-lan22:00:400
9076991515,0cyclictest65850irq/126-lan21:30:150
9076991515,0cyclictest65850irq/126-lan21:00:210
9076991515,0cyclictest65850irq/126-lan20:40:190
9076991515,0cyclictest65850irq/126-lan00:30:180
9076991515,0cyclictest65850irq/126-lan00:25:200
9076991514,1cyclictest65850irq/126-lan23:50:140
9076991514,1cyclictest65850irq/126-lan21:20:140
9076991514,1cyclictest65850irq/126-lan19:30:130
9076991414,0cyclictest9649-21cat21:45:140
9076991414,0cyclictest743-21snmpd23:11:130
9076991414,0cyclictest743-21snmpd22:41:450
9076991414,0cyclictest743-21snmpd22:35:540
9076991414,0cyclictest743-21snmpd00:39:070
9076991414,0cyclictest65850irq/126-lan22:57:400
9076991414,0cyclictest65850irq/126-lan22:30:170
9076991414,0cyclictest65850irq/126-lan22:20:400
9076991414,0cyclictest65850irq/126-lan21:44:470
9076991414,0cyclictest65850irq/126-lan21:15:040
9076991414,0cyclictest65850irq/126-lan20:15:090
9076991414,0cyclictest65850irq/126-lan19:20:230
9076991413,1cyclictest65850irq/126-lan21:35:220
9076991313,0cyclictest65850irq/126-lan23:45:210
9076991313,0cyclictest65850irq/126-lan20:45:120
9076991313,0cyclictest65850irq/126-lan20:05:140
9076991313,0cyclictest65850irq/126-lan19:55:120
9076991313,0cyclictest65850irq/126-lan19:26:570
9076991313,0cyclictest65850irq/126-lan00:15:180
9076991312,1cyclictest65850irq/126-lan23:27:030
9076991312,1cyclictest65850irq/126-lan19:50:170
9076991312,1cyclictest65850irq/126-lan19:10:220
9076991312,1cyclictest65850irq/126-lan00:00:140
9076991212,0cyclictest65850irq/126-lan00:07:210
907699109,1cyclictest65850irq/126-lan21:00:000
90889998,1cyclictest743-21snmpd23:53:483
90889998,1cyclictest743-21snmpd23:33:053
90889998,1cyclictest743-21snmpd20:45:593
90889998,1cyclictest741-21lldpd19:49:403
90819998,1cyclictest743-21snmpd22:49:211
90819998,1cyclictest743-21snmpd21:54:041
90819998,1cyclictest743-21snmpd21:34:161
90889988,0cyclictest743-21snmpd20:43:383
90889988,0cyclictest743-21snmpd19:19:053
90889988,0cyclictest743-21snmpd19:12:103
90889988,0cyclictest743-21snmpd00:15:153
90889988,0cyclictest741-21lldpd22:36:433
90889987,1cyclictest743-21snmpd23:57:153
90889987,1cyclictest743-21snmpd22:55:063
90889987,1cyclictest743-21snmpd22:50:093
90889987,1cyclictest743-21snmpd22:13:083
90889987,1cyclictest743-21snmpd22:03:173
90889987,1cyclictest743-21snmpd21:40:253
90889987,1cyclictest743-21snmpd00:28:013
90889986,2cyclictest743-21snmpd22:49:303
90889986,2cyclictest743-21snmpd21:45:433
90889986,2cyclictest743-21snmpd21:19:153
90889986,2cyclictest743-21snmpd00:01:003
90859988,0cyclictest743-21snmpd19:54:182
90859988,0cyclictest743-21snmpd19:34:552
90859988,0cyclictest743-21snmpd00:21:062
90859988,0cyclictest741-21lldpd23:49:562
90859988,0cyclictest741-21lldpd22:57:172
90859988,0cyclictest741-21lldpd19:35:562
90859987,1cyclictest743-21snmpd21:19:392
90859987,1cyclictest522-21avahi-daemon00:12:372
90859986,2cyclictest743-21snmpd21:32:582
90859986,2cyclictest743-21snmpd21:06:052
90859986,2cyclictest743-21snmpd00:05:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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