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2026-03-17 - 04:06

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 Mar 17, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31192994343,0cyclictest17600-21fwupd21:14:181
31192991918,1cyclictest65850irq/126-lan22:42:311
31192991918,1cyclictest65850irq/126-lan21:25:201
31192991918,1cyclictest65850irq/126-lan19:39:171
31192991818,0cyclictest65850irq/126-lan23:19:181
31192991817,1cyclictest65850irq/126-lan23:35:211
31192991817,1cyclictest65850irq/126-lan22:50:211
31192991817,1cyclictest65850irq/126-lan22:25:151
31192991817,1cyclictest65850irq/126-lan21:15:131
31192991817,1cyclictest65850irq/126-lan21:00:201
31192991817,1cyclictest65850irq/126-lan19:55:181
31192991817,1cyclictest65850irq/126-lan19:20:171
31192991717,0cyclictest65850irq/126-lan23:27:311
31192991717,0cyclictest65850irq/126-lan20:44:311
31192991717,0cyclictest65850irq/126-lan20:15:151
31192991716,1cyclictest65850irq/126-lan23:45:151
31192991716,1cyclictest65850irq/126-lan23:00:191
31192991716,1cyclictest65850irq/126-lan22:55:201
31192991716,1cyclictest65850irq/126-lan22:20:141
31192991716,1cyclictest65850irq/126-lan20:59:311
31192991716,1cyclictest65850irq/126-lan20:20:211
31192991716,1cyclictest65850irq/126-lan19:17:301
31192991716,1cyclictest65850irq/126-lan00:25:151
31184991717,0cyclictest743-21snmpd22:21:470
31184991717,0cyclictest743-21snmpd21:47:070
31184991717,0cyclictest743-21snmpd21:09:500
31184991717,0cyclictest743-21snmpd00:26:240
31184991716,1cyclictest743-21snmpd22:53:420
31192991616,0cyclictest65850irq/126-lan21:40:311
31192991616,0cyclictest65850irq/126-lan00:00:141
31192991615,1cyclictest65850irq/126-lan23:40:131
31192991615,1cyclictest65850irq/126-lan22:45:121
31192991615,1cyclictest65850irq/126-lan22:15:151
31192991615,1cyclictest65850irq/126-lan20:25:141
31184991616,0cyclictest743-21snmpd23:35:440
31184991616,0cyclictest743-21snmpd22:55:020
31184991616,0cyclictest743-21snmpd21:10:030
31184991616,0cyclictest743-21snmpd20:50:340
31184991616,0cyclictest743-21snmpd20:28:580
31184991616,0cyclictest743-21snmpd20:24:510
31184991616,0cyclictest743-21snmpd20:13:320
31184991616,0cyclictest743-21snmpd19:33:570
31184991616,0cyclictest743-21snmpd19:27:350
31184991616,0cyclictest743-21snmpd00:39:040
31184991616,0cyclictest743-21snmpd00:12:180
31184991616,0cyclictest4491-21cat23:20:140
31184991616,0cyclictest32528-21cat21:50:130
31184991616,0cyclictest24437-21cat21:30:120
31184991616,0cyclictest10195-21cat22:15:150
31192991515,0cyclictest65850irq/126-lan23:05:201
31192991515,0cyclictest65850irq/126-lan22:05:091
31192991515,0cyclictest65850irq/126-lan21:30:111
31192991515,0cyclictest65850irq/126-lan21:05:131
31192991515,0cyclictest65850irq/126-lan20:05:191
31192991515,0cyclictest65850irq/126-lan19:30:151
31192991515,0cyclictest65850irq/126-lan00:05:191
31192991514,1cyclictest65850irq/126-lan23:30:151
31192991514,1cyclictest65850irq/126-lan23:20:121
31192991514,1cyclictest65850irq/126-lan23:10:131
31192991514,1cyclictest65850irq/126-lan22:37:561
31192991514,1cyclictest65850irq/126-lan20:35:171
31192991514,1cyclictest65850irq/126-lan20:11:031
31184991515,0cyclictest743-21snmpd23:41:110
31184991515,0cyclictest743-21snmpd23:09:460
31184991515,0cyclictest743-21snmpd23:00:240
31184991515,0cyclictest743-21snmpd21:15:060
31184991515,0cyclictest743-21snmpd20:18:190
31184991515,0cyclictest743-21snmpd20:05:340
31184991515,0cyclictest743-21snmpd20:01:070
31184991515,0cyclictest743-21snmpd19:42:460
31184991515,0cyclictest743-21snmpd19:35:070
31184991515,0cyclictest743-21snmpd19:22:570
31184991515,0cyclictest743-21snmpd00:31:350
31192991414,0cyclictest65850irq/126-lan22:00:461
31192991414,0cyclictest65850irq/126-lan00:36:311
31192991414,0cyclictest65850irq/126-lan00:10:201
31192991413,1cyclictest65850irq/126-lan22:30:171
31192991413,1cyclictest65850irq/126-lan20:50:161
31192991413,1cyclictest65850irq/126-lan19:10:171
31192991413,1cyclictest65850irq/126-lan00:30:161
31192991313,0cyclictest65850irq/126-lan23:56:311
31192991313,0cyclictest65850irq/126-lan21:55:121
31192991313,0cyclictest65850irq/126-lan19:25:111
31192991312,1cyclictest65850irq/126-lan22:10:171
31192991312,1cyclictest65850irq/126-lan21:50:121
31192991312,1cyclictest65850irq/126-lan21:35:081
31192991312,1cyclictest65850irq/126-lan20:30:141
31192991312,1cyclictest65850irq/126-lan20:00:111
31192991212,0cyclictest65850irq/126-lan20:45:211
31192991211,1cyclictest65850irq/126-lan19:45:161
31192991110,1cyclictest65850irq/126-lan00:20:131
31192991110,1cyclictest65850irq/126-lan00:15:171
3119299109,1cyclictest65850irq/126-lan21:45:121
3119299109,1cyclictest65850irq/126-lan19:40:211
312029998,1cyclictest743-21snmpd23:49:023
312029998,1cyclictest743-21snmpd20:47:193
312029998,1cyclictest741-21lldpd22:49:363
312029998,1cyclictest741-21lldpd22:04:493
312029998,1cyclictest30733-21gltestperf23:05:123
311989998,1cyclictest743-21snmpd23:34:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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