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2026-07-03 - 08:13

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 Jul 03, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24573991918,1cyclictest65850irq/126-lan23:30:150
24573991818,0cyclictest65850irq/126-lan20:05:180
24573991818,0cyclictest65850irq/126-lan00:28:490
24573991817,1cyclictest65850irq/126-lan23:25:170
24573991817,1cyclictest65850irq/126-lan20:45:160
24573991817,1cyclictest65850irq/126-lan20:45:160
24573991817,1cyclictest65850irq/126-lan19:20:170
24573991817,1cyclictest65850irq/126-lan19:15:130
24578991717,0cyclictest743-21snmpd22:32:091
24573991717,0cyclictest65850irq/126-lan23:35:180
24573991717,0cyclictest65850irq/126-lan22:35:100
24573991716,1cyclictest65850irq/126-lan23:15:180
24573991716,1cyclictest65850irq/126-lan22:45:150
24573991716,1cyclictest65850irq/126-lan22:00:210
24573991716,1cyclictest65850irq/126-lan21:16:170
24573991716,1cyclictest65850irq/126-lan19:25:170
24573991716,1cyclictest65850irq/126-lan00:12:460
24578991616,0cyclictest743-21snmpd23:13:381
24578991616,0cyclictest743-21snmpd22:43:041
24578991616,0cyclictest743-21snmpd22:09:531
24578991616,0cyclictest743-21snmpd21:58:551
24578991616,0cyclictest743-21snmpd20:12:511
24578991616,0cyclictest743-21snmpd19:32:271
24573991616,0cyclictest65850irq/126-lan23:55:000
24573991616,0cyclictest65850irq/126-lan20:50:210
24573991615,1cyclictest65850irq/126-lan22:15:130
24573991615,1cyclictest65850irq/126-lan21:30:150
24573991615,1cyclictest65850irq/126-lan20:55:190
24573991615,1cyclictest65850irq/126-lan20:20:140
24573991615,1cyclictest65850irq/126-lan19:10:150
24573991615,1cyclictest65850irq/126-lan00:20:220
24578991515,0cyclictest743-21snmpd23:55:211
24578991515,0cyclictest743-21snmpd23:16:101
24578991515,0cyclictest743-21snmpd21:15:191
24578991515,0cyclictest743-21snmpd21:09:231
24578991515,0cyclictest743-21snmpd20:43:461
24578991515,0cyclictest743-21snmpd20:43:451
24578991515,0cyclictest743-21snmpd20:18:531
24578991515,0cyclictest743-21snmpd19:11:301
24578991515,0cyclictest743-21snmpd00:28:391
24578991515,0cyclictest1206-21cat20:50:141
24573991515,0cyclictest65850irq/126-lan21:55:200
24573991515,0cyclictest65850irq/126-lan21:45:200
24573991515,0cyclictest65850irq/126-lan21:40:130
24573991515,0cyclictest65850irq/126-lan21:35:190
24573991515,0cyclictest65850irq/126-lan20:16:440
24573991515,0cyclictest65850irq/126-lan19:50:190
24573991515,0cyclictest65850irq/126-lan00:02:510
24573991514,1cyclictest65850irq/126-lan23:40:140
24573991514,1cyclictest65850irq/126-lan23:04:490
24573991514,1cyclictest65850irq/126-lan22:40:210
24573991514,1cyclictest65850irq/126-lan21:10:150
24573991514,1cyclictest65850irq/126-lan21:00:130
24573991514,1cyclictest65850irq/126-lan19:35:150
24578991414,0cyclictest8458-21cat22:25:141
24578991414,0cyclictest743-21snmpd22:56:171
24578991414,0cyclictest743-21snmpd22:47:061
24578991414,0cyclictest743-21snmpd21:22:591
24578991414,0cyclictest743-21snmpd20:30:211
24578991414,0cyclictest743-21snmpd19:19:541
24578991414,0cyclictest743-21snmpd00:19:551
24578991414,0cyclictest743-21snmpd00:01:131
24578991414,0cyclictest29258-21cat19:20:141
24578991414,0cyclictest24617-21cat23:05:131
24578991414,0cyclictest23386-21cat00:20:141
24578991414,0cyclictest17791-21cat21:30:151
24573991414,0cyclictest65850irq/126-lan22:55:220
24573991414,0cyclictest65850irq/126-lan22:25:110
24573991414,0cyclictest65850irq/126-lan22:07:480
24573991414,0cyclictest65850irq/126-lan21:20:140
24573991414,0cyclictest65850irq/126-lan20:30:150
24573991414,0cyclictest65850irq/126-lan20:25:110
24573991414,0cyclictest65850irq/126-lan20:10:170
24573991414,0cyclictest65850irq/126-lan20:00:160
24573991414,0cyclictest65850irq/126-lan00:30:180
24573991413,1cyclictest65850irq/126-lan23:50:120
24573991413,1cyclictest65850irq/126-lan22:50:120
24573991413,1cyclictest65850irq/126-lan21:05:180
24578991313,0cyclictest743-21snmpd22:36:511
24573991313,0cyclictest65850irq/126-lan21:25:190
24573991313,0cyclictest65850irq/126-lan20:35:120
24573991313,0cyclictest65850irq/126-lan19:55:140
24573991313,0cyclictest65850irq/126-lan19:47:510
24573991313,0cyclictest65850irq/126-lan00:06:500
24573991312,1cyclictest65850irq/126-lan23:05:120
24573991312,1cyclictest65850irq/126-lan22:20:150
24573991312,1cyclictest65850irq/126-lan22:10:190
24573991312,1cyclictest65850irq/126-lan20:40:010
24573991312,1cyclictest65850irq/126-lan20:40:000
24573991212,0cyclictest65850irq/126-lan23:46:510
24573991212,0cyclictest65850irq/126-lan00:35:180
24573991212,0cyclictest65850irq/126-lan00:15:500
24573991211,1cyclictest65850irq/126-lan22:30:140
24573991211,1cyclictest65850irq/126-lan21:50:200
24573991111,0cyclictest65850irq/126-lan23:20:130
24573991110,1cyclictest65850irq/126-lan19:30:200
2457399109,1cyclictest65850irq/126-lan19:40:190
245889998,1cyclictest743-21snmpd21:36:393
245889998,1cyclictest743-21snmpd19:49:013
245889998,1cyclictest741-21lldpd19:13:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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