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2026-07-20 - 04:32

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 Mon Jul 20, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20595991818,0cyclictest65850irq/126-lan23:55:170
20595991818,0cyclictest65850irq/126-lan21:50:150
20595991817,1cyclictest65850irq/126-lan23:40:530
20595991817,1cyclictest65850irq/126-lan22:50:110
20595991817,1cyclictest65850irq/126-lan21:20:220
20595991817,1cyclictest65850irq/126-lan20:10:160
20595991817,1cyclictest65850irq/126-lan19:15:150
20595991717,0cyclictest65850irq/126-lan20:56:290
20595991717,0cyclictest65850irq/126-lan00:29:140
20595991716,1cyclictest65850irq/126-lan22:45:180
20595991716,1cyclictest65850irq/126-lan21:25:140
20595991716,1cyclictest65850irq/126-lan21:10:230
20595991716,1cyclictest65850irq/126-lan00:18:490
20595991716,1cyclictest65850irq/126-lan00:10:130
20595991716,1cyclictest65850irq/126-lan00:00:230
20595991616,0cyclictest65850irq/126-lan23:35:130
20595991616,0cyclictest65850irq/126-lan23:25:160
20595991616,0cyclictest65850irq/126-lan21:15:180
20595991616,0cyclictest65850irq/126-lan19:38:520
20595991615,1cyclictest65850irq/126-lan23:45:150
20595991615,1cyclictest65850irq/126-lan22:35:110
20595991615,1cyclictest65850irq/126-lan20:30:160
20595991615,1cyclictest65850irq/126-lan19:30:230
20595991615,1cyclictest65850irq/126-lan19:25:150
20595991515,0cyclictest65850irq/126-lan22:25:130
20595991515,0cyclictest65850irq/126-lan22:05:140
20595991515,0cyclictest65850irq/126-lan20:20:120
20595991515,0cyclictest65850irq/126-lan20:00:290
20595991515,0cyclictest65850irq/126-lan19:40:190
20595991514,1cyclictest65850irq/126-lan23:50:130
20595991514,1cyclictest65850irq/126-lan23:12:310
20595991514,1cyclictest65850irq/126-lan22:00:100
20595991514,1cyclictest65850irq/126-lan21:35:150
20595991514,1cyclictest65850irq/126-lan21:30:170
20595991514,1cyclictest65850irq/126-lan20:40:160
20595991514,1cyclictest65850irq/126-lan20:25:110
20595991514,1cyclictest65850irq/126-lan20:06:530
20595991514,1cyclictest65850irq/126-lan20:06:520
20595991514,1cyclictest65850irq/126-lan19:55:210
20595991514,1cyclictest65850irq/126-lan19:20:130
20595991514,1cyclictest65850irq/126-lan00:35:180
20595991514,1cyclictest65850irq/126-lan00:30:110
20595991414,0cyclictest65850irq/126-lan23:09:390
20595991414,0cyclictest65850irq/126-lan22:42:290
20595991414,0cyclictest65850irq/126-lan21:56:400
20595991413,1cyclictest65850irq/126-lan21:45:120
20595991413,1cyclictest65850irq/126-lan21:05:220
20595991413,1cyclictest65850irq/126-lan20:15:120
20595991413,1cyclictest65850irq/126-lan19:10:130
20595991312,1cyclictest65850irq/126-lan22:55:130
20595991312,1cyclictest65850irq/126-lan19:50:160
20595991312,1cyclictest65850irq/126-lan00:05:200
20595991212,0cyclictest65850irq/126-lan00:20:130
20595991211,1cyclictest65850irq/126-lan23:30:120
20595991211,1cyclictest65850irq/126-lan23:24:280
20595991211,1cyclictest65850irq/126-lan21:00:160
20595991111,0cyclictest65850irq/126-lan19:45:110
20595991110,1cyclictest65850irq/126-lan22:30:210
20595991110,1cyclictest65850irq/126-lan22:15:190
20595991110,1cyclictest65850irq/126-lan21:40:140
2059599109,1cyclictest65850irq/126-lan23:15:110
2059599109,1cyclictest65850irq/126-lan20:45:150
2059599109,1cyclictest65850irq/126-lan20:35:180
20595991010,0cyclictest65850irq/126-lan22:11:420
206129998,1cyclictest743-21snmpd23:09:153
206129998,1cyclictest743-21snmpd22:27:003
206129998,1cyclictest743-21snmpd21:52:553
206129998,1cyclictest743-21snmpd21:38:063
206129998,1cyclictest743-21snmpd20:19:573
206129998,1cyclictest741-21lldpd19:59:123
206089998,1cyclictest743-21snmpd22:52:062
206089998,1cyclictest743-21snmpd20:41:162
206039998,1cyclictest743-21snmpd19:47:501
206039998,1cyclictest741-21lldpd21:49:041
205959998,1cyclictest65850irq/126-lan20:50:160
206129988,0cyclictest743-21snmpd21:40:153
206129988,0cyclictest743-21snmpd20:06:123
206129988,0cyclictest743-21snmpd20:06:123
206129988,0cyclictest741-21lldpd20:46:473
206129988,0cyclictest741-21lldpd20:14:043
206129988,0cyclictest741-21lldpd19:38:183
206129987,1cyclictest743-21snmpd22:36:113
206129987,1cyclictest741-21lldpd20:21:323
206129987,1cyclictest522-21avahi-daemon23:58:283
206129987,1cyclictest522-21avahi-daemon19:23:303
206129986,2cyclictest743-21snmpd23:36:283
206129986,2cyclictest743-21snmpd22:06:523
206129986,2cyclictest743-21snmpd21:27:243
206129986,2cyclictest743-21snmpd21:24:183
206129986,2cyclictest743-21snmpd20:26:313
206129986,2cyclictest743-21snmpd00:15:463
206129985,3cyclictest743-21snmpd23:14:243
206089988,0cyclictest743-21snmpd22:44:262
206089988,0cyclictest743-21snmpd21:33:242
206089988,0cyclictest743-21snmpd20:04:452
206089988,0cyclictest741-21lldpd23:41:492
206089988,0cyclictest741-21lldpd23:05:312
206089988,0cyclictest741-21lldpd22:28:032
206089988,0cyclictest741-21lldpd21:00:392
206089988,0cyclictest741-21lldpd20:16:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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