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2026-05-24 - 07:38

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 May 24, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4546991918,1cyclictest65850irq/126-lan19:37:061
4546991817,1cyclictest65850irq/126-lan20:30:421
4546991817,1cyclictest65850irq/126-lan00:10:161
4546991717,0cyclictest65850irq/126-lan22:18:051
4546991717,0cyclictest65850irq/126-lan21:36:511
4546991717,0cyclictest65850irq/126-lan21:15:051
4546991717,0cyclictest65850irq/126-lan21:13:051
4546991716,1cyclictest65850irq/126-lan23:45:161
4546991716,1cyclictest65850irq/126-lan23:25:121
4546991716,1cyclictest65850irq/126-lan23:20:141
4546991716,1cyclictest65850irq/126-lan23:10:121
4546991716,1cyclictest65850irq/126-lan22:55:201
4546991716,1cyclictest65850irq/126-lan22:30:141
4546991716,1cyclictest65850irq/126-lan21:30:111
4546991716,1cyclictest65850irq/126-lan21:00:121
4546991716,1cyclictest65850irq/126-lan20:10:171
4546991716,1cyclictest65850irq/126-lan19:50:211
4546991716,1cyclictest65850irq/126-lan00:25:171
4546991716,1cyclictest65850irq/126-lan00:21:421
4546991716,1cyclictest65850irq/126-lan00:00:171
4546991616,0cyclictest65850irq/126-lan23:05:131
4546991616,0cyclictest65850irq/126-lan22:35:151
4546991616,0cyclictest65850irq/126-lan22:25:181
4546991616,0cyclictest65850irq/126-lan21:50:201
4546991615,1cyclictest65850irq/126-lan23:30:151
4546991615,1cyclictest65850irq/126-lan22:50:141
4546991615,1cyclictest65850irq/126-lan22:00:221
4546991615,1cyclictest65850irq/126-lan20:55:121
4546991615,1cyclictest65850irq/126-lan19:25:131
4550991514,1cyclictest717-21ntpd20:25:232
4546991515,0cyclictest65850irq/126-lan23:55:131
4546991515,0cyclictest65850irq/126-lan22:22:381
4546991515,0cyclictest65850irq/126-lan22:10:181
4546991515,0cyclictest65850irq/126-lan20:45:511
4546991514,1cyclictest65850irq/126-lan23:15:221
4546991514,1cyclictest65850irq/126-lan21:21:231
4546991514,1cyclictest65850irq/126-lan20:20:201
4546991514,1cyclictest65850irq/126-lan19:45:141
4546991514,1cyclictest65850irq/126-lan19:40:141
4546991414,0cyclictest65850irq/126-lan19:15:201
4546991413,1cyclictest65850irq/126-lan21:45:491
4546991413,1cyclictest65850irq/126-lan20:40:131
4546991413,1cyclictest65850irq/126-lan19:10:121
4546991413,1cyclictest65850irq/126-lan00:35:191
4546991313,0cyclictest65850irq/126-lan23:50:111
4546991313,0cyclictest65850irq/126-lan00:05:171
4546991312,1cyclictest65850irq/126-lan23:00:151
4546991312,1cyclictest65850irq/126-lan22:40:161
4546991312,1cyclictest65850irq/126-lan22:05:171
4546991312,1cyclictest65850irq/126-lan21:40:211
4546991312,1cyclictest65850irq/126-lan21:05:191
4546991312,1cyclictest65850irq/126-lan20:25:171
4546991312,1cyclictest65850irq/126-lan19:55:121
4546991312,1cyclictest65850irq/126-lan19:20:151
4546991212,0cyclictest65850irq/126-lan22:45:201
4546991212,0cyclictest65850irq/126-lan20:38:051
4546991212,0cyclictest65850irq/126-lan20:09:051
4546991212,0cyclictest65850irq/126-lan20:00:121
4546991211,1cyclictest65850irq/126-lan23:40:171
4546991211,1cyclictest65850irq/126-lan21:55:161
4546991211,1cyclictest65850irq/126-lan21:25:111
4546991111,0cyclictest65850irq/126-lan20:15:151
4546991110,1cyclictest65850irq/126-lan23:35:131
4546991110,1cyclictest65850irq/126-lan19:30:201
4546991110,1cyclictest65850irq/126-lan00:30:211
454699109,1cyclictest65850irq/126-lan00:15:151
45559998,1cyclictest743-21snmpd23:45:003
45559998,1cyclictest741-21lldpd21:10:103
45559998,1cyclictest741-21lldpd20:09:003
45509998,1cyclictest743-21snmpd23:45:392
45509998,1cyclictest743-21snmpd23:21:452
45509998,1cyclictest743-21snmpd21:25:152
45509998,1cyclictest743-21snmpd21:17:442
45509998,1cyclictest741-21lldpd23:57:082
45419998,1cyclictest743-21snmpd19:26:190
45419998,1cyclictest741-21lldpd21:41:380
45419998,1cyclictest741-21lldpd00:26:470
45559988,0cyclictest743-21snmpd22:24:283
45559988,0cyclictest743-21snmpd20:11:153
45559988,0cyclictest743-21snmpd19:43:323
45559988,0cyclictest741-21lldpd21:19:403
45559988,0cyclictest741-21lldpd20:48:283
45559988,0cyclictest741-21lldpd00:26:523
45559988,0cyclictest741-21lldpd00:18:163
45559987,1cyclictest743-21snmpd00:05:383
45559987,1cyclictest741-21lldpd23:21:283
45559987,1cyclictest741-21lldpd22:04:023
45559987,1cyclictest741-21lldpd21:23:503
45559986,2cyclictest743-21snmpd22:14:133
45559986,2cyclictest743-21snmpd21:06:103
45559986,2cyclictest743-21snmpd20:19:033
45559986,2cyclictest743-21snmpd19:35:113
45559986,2cyclictest7174-21cat19:15:143
45559985,2cyclictest743-21snmpd23:10:233
45509988,0cyclictest743-21snmpd23:26:062
45509988,0cyclictest743-21snmpd22:38:342
45509988,0cyclictest741-21lldpd23:33:542
45509988,0cyclictest741-21lldpd20:17:262
45509988,0cyclictest741-21lldpd20:10:262
45509988,0cyclictest741-21lldpd00:22:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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