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2026-04-03 - 13:12

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 Fri Apr 03, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1879991918,1cyclictest65850irq/126-lan23:00:541
1879991918,1cyclictest65850irq/126-lan20:05:161
1879991817,1cyclictest65850irq/126-lan23:30:201
1879991817,1cyclictest65850irq/126-lan21:30:111
1879991817,1cyclictest65850irq/126-lan19:40:151
1879991817,1cyclictest65850irq/126-lan19:35:121
1879991817,1cyclictest65850irq/126-lan19:30:101
1879991817,1cyclictest65850irq/126-lan00:00:171
1879991717,0cyclictest65850irq/126-lan22:23:541
1879991717,0cyclictest65850irq/126-lan19:10:171
1879991716,1cyclictest65850irq/126-lan23:40:241
1879991716,1cyclictest65850irq/126-lan23:15:161
1879991716,1cyclictest65850irq/126-lan22:40:141
1879991716,1cyclictest65850irq/126-lan22:35:211
1879991716,1cyclictest65850irq/126-lan21:50:131
1879991716,1cyclictest65850irq/126-lan21:35:201
1879991716,1cyclictest65850irq/126-lan21:25:221
1879991716,1cyclictest65850irq/126-lan21:20:111
1879991716,1cyclictest65850irq/126-lan20:25:121
1879991716,1cyclictest65850irq/126-lan20:10:201
1879991716,1cyclictest65850irq/126-lan00:25:211
1879991616,0cyclictest65850irq/126-lan23:35:141
1879991616,0cyclictest65850irq/126-lan21:55:131
1879991616,0cyclictest65850irq/126-lan20:16:391
1879991616,0cyclictest65850irq/126-lan19:15:181
1879991616,0cyclictest65850irq/126-lan00:10:151
1879991615,1cyclictest65850irq/126-lan23:25:121
1879991615,1cyclictest65850irq/126-lan22:50:111
1879991615,1cyclictest65850irq/126-lan22:30:201
1879991615,1cyclictest65850irq/126-lan22:00:131
1879991615,1cyclictest65850irq/126-lan19:25:161
1879991615,1cyclictest65850irq/126-lan00:20:011
1879991515,0cyclictest65850irq/126-lan23:55:161
1879991515,0cyclictest65850irq/126-lan22:16:521
1879991515,0cyclictest65850irq/126-lan22:07:391
1879991515,0cyclictest65850irq/126-lan20:20:191
1879991515,0cyclictest65850irq/126-lan00:05:191
1879991514,1cyclictest65850irq/126-lan20:45:191
1879991514,1cyclictest65850irq/126-lan20:40:171
1879991514,1cyclictest65850irq/126-lan00:35:131
1879991414,0cyclictest65850irq/126-lan23:50:201
1879991414,0cyclictest65850irq/126-lan22:49:401
1879991414,0cyclictest65850irq/126-lan19:55:001
1879991413,1cyclictest65850irq/126-lan23:20:131
1879991413,1cyclictest65850irq/126-lan21:40:161
1879991413,1cyclictest65850irq/126-lan21:00:131
1879991413,1cyclictest65850irq/126-lan19:45:121
1879991413,1cyclictest65850irq/126-lan00:15:101
1879991313,0cyclictest65850irq/126-lan23:05:141
1879991313,0cyclictest65850irq/126-lan22:55:181
1879991313,0cyclictest65850irq/126-lan22:25:231
1879991313,0cyclictest65850irq/126-lan21:15:561
1879991313,0cyclictest65850irq/126-lan21:10:021
1879991313,0cyclictest65850irq/126-lan20:50:111
1879991313,0cyclictest65850irq/126-lan20:30:111
1879991312,1cyclictest65850irq/126-lan20:55:141
1879991312,1cyclictest65850irq/126-lan19:52:081
1879991312,1cyclictest65850irq/126-lan19:20:121
1879991312,1cyclictest65850irq/126-lan00:30:161
1879991212,0cyclictest65850irq/126-lan21:45:151
1879991110,1cyclictest65850irq/126-lan23:45:181
1879991110,1cyclictest65850irq/126-lan21:05:131
1879991010,0cyclictest65850irq/126-lan22:10:151
18899998,1cyclictest743-21snmpd23:52:563
18899998,1cyclictest743-21snmpd19:55:273
18899998,1cyclictest743-21snmpd00:30:473
18899998,1cyclictest741-21lldpd23:42:273
18899998,1cyclictest741-21lldpd19:41:323
18899998,1cyclictest741-21lldpd19:25:093
18859998,1cyclictest743-21snmpd19:43:542
18799999,0cyclictest65850irq/126-lan23:10:111
18799999,0cyclictest65850irq/126-lan20:00:111
18769998,1cyclictest743-21snmpd23:17:260
18899988,0cyclictest741-21lldpd23:23:493
18899988,0cyclictest741-21lldpd22:55:203
18899988,0cyclictest741-21lldpd22:12:593
18899988,0cyclictest741-21lldpd21:46:323
18899988,0cyclictest741-21lldpd20:31:263
18899988,0cyclictest15176-21needreboot21:00:133
18899987,1cyclictest743-21snmpd22:33:153
18899987,1cyclictest743-21snmpd21:52:493
18899987,1cyclictest741-21lldpd22:27:213
18899987,1cyclictest522-21avahi-daemon22:50:093
18899986,2cyclictest743-21snmpd23:47:033
18899986,2cyclictest743-21snmpd20:58:303
18899986,2cyclictest743-21snmpd20:27:193
18899986,2cyclictest743-21snmpd00:08:043
18899986,2cyclictest12581-21cat19:35:123
18899985,3cyclictest743-21snmpd21:42:293
18859988,0cyclictest743-21snmpd20:53:152
18859988,0cyclictest741-21lldpd23:59:292
18859988,0cyclictest741-21lldpd21:19:492
18859986,2cyclictest743-21snmpd23:45:362
18859986,2cyclictest743-21snmpd23:24:082
18859986,2cyclictest743-21snmpd22:55:022
18859986,2cyclictest743-21snmpd21:55:082
18859986,2cyclictest743-21snmpd20:33:352
18859986,2cyclictest743-21snmpd19:31:572
18859984,3cyclictest4973-21apt-get00:35:112
18799987,1cyclictest743-21snmpd20:37:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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