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2026-08-07 - 21:23

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 Aug 07, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19880991919,0cyclictest65850irq/126-lan10:20:100
19880991918,1cyclictest65850irq/126-lan10:05:210
19880991818,0cyclictest65850irq/126-lan11:24:290
19880991818,0cyclictest65850irq/126-lan11:15:160
19880991818,0cyclictest65850irq/126-lan10:15:190
19880991817,1cyclictest65850irq/126-lan12:30:160
19880991817,1cyclictest65850irq/126-lan11:54:550
19880991817,1cyclictest65850irq/126-lan11:30:170
19880991817,1cyclictest65850irq/126-lan10:25:190
19880991817,1cyclictest65850irq/126-lan09:15:120
19880991717,0cyclictest65850irq/126-lan12:20:130
19880991717,0cyclictest65850irq/126-lan10:45:170
19880991717,0cyclictest65850irq/126-lan09:12:170
19880991716,1cyclictest65850irq/126-lan12:05:130
19880991716,1cyclictest65850irq/126-lan11:00:140
19880991716,1cyclictest65850irq/126-lan10:35:160
19880991716,1cyclictest65850irq/126-lan10:30:100
19880991716,1cyclictest65850irq/126-lan09:55:000
19880991716,1cyclictest65850irq/126-lan07:30:150
19880991616,0cyclictest65850irq/126-lan09:05:160
19880991616,0cyclictest65850irq/126-lan08:50:210
19880991616,0cyclictest65850irq/126-lan07:56:330
19880991616,0cyclictest65850irq/126-lan07:44:060
19880991616,0cyclictest65850irq/126-lan07:20:120
19880991616,0cyclictest65850irq/126-lan07:19:460
19880991615,1cyclictest65850irq/126-lan12:35:120
19880991615,1cyclictest65850irq/126-lan12:14:260
19880991615,1cyclictest65850irq/126-lan09:35:140
19880991615,1cyclictest65850irq/126-lan08:25:130
19880991615,1cyclictest65850irq/126-lan08:00:170
19880991615,1cyclictest65850irq/126-lan07:45:100
19883991515,0cyclictest743-21snmpd09:13:351
19880991515,0cyclictest65850irq/126-lan11:35:130
19880991515,0cyclictest65850irq/126-lan11:10:200
19880991515,0cyclictest65850irq/126-lan08:22:470
19880991514,1cyclictest65850irq/126-lan12:15:110
19880991514,1cyclictest65850irq/126-lan12:00:010
19880991514,1cyclictest65850irq/126-lan11:05:180
19880991514,1cyclictest65850irq/126-lan09:48:420
19880991514,1cyclictest65850irq/126-lan09:29:590
19880991514,1cyclictest65850irq/126-lan08:45:200
19880991514,1cyclictest65850irq/126-lan08:35:170
19880991514,1cyclictest65850irq/126-lan07:50:150
19880991514,1cyclictest65850irq/126-lan07:50:150
19880991514,1cyclictest65850irq/126-lan07:35:130
19896991414,0cyclictest743-21snmpd11:41:193
19880991414,0cyclictest65850irq/126-lan10:58:480
19880991414,0cyclictest65850irq/126-lan08:15:160
19880991413,1cyclictest65850irq/126-lan12:25:190
19880991413,1cyclictest65850irq/126-lan10:50:150
19880991413,1cyclictest65850irq/126-lan10:40:230
19880991413,1cyclictest65850irq/126-lan08:55:150
19880991413,1cyclictest65850irq/126-lan08:10:200
19896991313,0cyclictest743-21snmpd11:54:453
19896991313,0cyclictest743-21snmpd10:14:073
19896991313,0cyclictest743-21snmpd10:07:443
19896991313,0cyclictest743-21snmpd07:32:413
19880991313,0cyclictest65850irq/126-lan10:10:140
19880991313,0cyclictest65850irq/126-lan07:25:150
19880991313,0cyclictest65850irq/126-lan07:14:450
19880991312,1cyclictest65850irq/126-lan09:40:120
19896991212,0cyclictest743-21snmpd12:31:243
19896991212,0cyclictest743-21snmpd11:26:043
19896991212,0cyclictest743-21snmpd10:47:113
19896991212,0cyclictest743-21snmpd10:34:083
19896991212,0cyclictest743-21snmpd10:20:383
19896991212,0cyclictest743-21snmpd09:21:173
19896991212,0cyclictest743-21snmpd07:58:093
19896991212,0cyclictest20934-21cat07:10:133
19896991212,0cyclictest14911-21cat12:05:153
19883991212,0cyclictest743-21snmpd07:31:051
19883991212,0cyclictest2737-21cat09:00:131
19880991212,0cyclictest65850irq/126-lan08:34:530
19880991211,1cyclictest65850irq/126-lan12:00:000
19880991211,1cyclictest65850irq/126-lan10:00:120
19880991211,1cyclictest65850irq/126-lan09:30:100
19880991211,1cyclictest65850irq/126-lan09:00:150
19880991211,1cyclictest65850irq/126-lan08:40:150
19896991111,0cyclictest743-21snmpd11:56:543
19896991111,0cyclictest743-21snmpd11:16:213
19896991111,0cyclictest743-21snmpd11:05:163
19896991111,0cyclictest743-21snmpd09:16:083
19896991111,0cyclictest743-21snmpd08:37:283
19896991111,0cyclictest743-21snmpd07:54:043
19896991111,0cyclictest743-21snmpd07:54:033
19896991111,0cyclictest743-21snmpd07:17:383
19896991111,0cyclictest1978-21cat07:40:133
19883991111,0cyclictest743-21snmpd12:33:031
19883991111,0cyclictest743-21snmpd12:20:321
19883991111,0cyclictest743-21snmpd11:59:091
19883991111,0cyclictest743-21snmpd11:13:131
19883991111,0cyclictest743-21snmpd08:43:101
19883991111,0cyclictest23026-21cat08:30:151
19880991111,0cyclictest65850irq/126-lan11:40:130
19880991111,0cyclictest65850irq/126-lan11:25:150
19880991110,1cyclictest65850irq/126-lan11:45:150
19880991110,1cyclictest65850irq/126-lan07:10:010
1989699109,1cyclictest24837-21gltestperf07:20:133
19896991010,0cyclictest743-21snmpd12:17:083
19896991010,0cyclictest743-21snmpd11:46:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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