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2026-06-05 - 05:55

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 Jun 05, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6434991918,1cyclictest65850irq/126-lan00:39:593
6434991818,0cyclictest65850irq/126-lan22:57:293
6434991818,0cyclictest65850irq/126-lan22:30:173
6434991817,1cyclictest65850irq/126-lan23:05:133
6434991817,1cyclictest65850irq/126-lan23:03:273
6434991817,1cyclictest65850irq/126-lan00:10:113
6434991717,0cyclictest65850irq/126-lan22:00:223
6434991716,1cyclictest65850irq/126-lan22:25:013
6434991716,1cyclictest65850irq/126-lan22:15:103
6434991716,1cyclictest65850irq/126-lan21:40:173
6434991716,1cyclictest65850irq/126-lan21:05:193
6434991716,1cyclictest65850irq/126-lan19:35:123
6434991716,1cyclictest65850irq/126-lan19:15:163
6434991716,1cyclictest65850irq/126-lan00:20:133
6434991616,0cyclictest65850irq/126-lan23:35:153
6434991616,0cyclictest65850irq/126-lan23:28:553
6434991616,0cyclictest65850irq/126-lan21:45:223
6434991616,0cyclictest65850irq/126-lan21:45:223
6434991616,0cyclictest65850irq/126-lan19:55:163
6434991615,1cyclictest65850irq/126-lan22:50:173
6434991615,1cyclictest65850irq/126-lan22:40:143
6434991615,1cyclictest65850irq/126-lan22:20:123
6434991615,1cyclictest65850irq/126-lan21:55:193
6434991615,1cyclictest65850irq/126-lan21:50:223
6434991615,1cyclictest65850irq/126-lan20:45:203
6434991615,1cyclictest65850irq/126-lan20:40:123
6434991615,1cyclictest65850irq/126-lan19:25:163
6434991515,0cyclictest65850irq/126-lan23:58:143
6434991515,0cyclictest65850irq/126-lan23:40:203
6434991515,0cyclictest65850irq/126-lan22:39:153
6434991515,0cyclictest65850irq/126-lan20:30:163
6434991515,0cyclictest65850irq/126-lan19:43:133
6434991514,1cyclictest65850irq/126-lan21:35:173
6434991514,1cyclictest65850irq/126-lan21:30:163
6434991514,1cyclictest65850irq/126-lan00:15:133
6434991414,0cyclictest65850irq/126-lan20:00:113
6434991414,0cyclictest65850irq/126-lan19:30:283
6434991414,0cyclictest65850irq/126-lan00:27:203
6434991413,1cyclictest65850irq/126-lan23:50:143
6434991413,1cyclictest65850irq/126-lan23:15:113
6434991413,1cyclictest65850irq/126-lan21:10:123
6434991413,1cyclictest65850irq/126-lan20:05:133
6434991413,1cyclictest65850irq/126-lan19:45:153
6434991413,1cyclictest65850irq/126-lan19:20:183
6434991413,1cyclictest65850irq/126-lan19:10:123
6434991313,0cyclictest65850irq/126-lan21:00:273
6434991313,0cyclictest65850irq/126-lan20:15:093
6434991312,1cyclictest65850irq/126-lan22:45:133
6434991312,1cyclictest65850irq/126-lan22:10:143
6434991312,1cyclictest65850irq/126-lan00:00:193
6434991212,0cyclictest65850irq/126-lan22:05:303
6434991212,0cyclictest65850irq/126-lan20:36:283
6434991211,1cyclictest65850irq/126-lan23:45:133
6434991211,1cyclictest65850irq/126-lan23:30:133
6434991211,1cyclictest65850irq/126-lan23:10:173
6434991211,1cyclictest65850irq/126-lan20:55:173
6434991211,1cyclictest65850irq/126-lan19:50:153
6434991111,0cyclictest65850irq/126-lan00:30:083
6434991110,1cyclictest65850irq/126-lan21:25:013
6434991110,1cyclictest65850irq/126-lan21:15:163
6434991110,1cyclictest65850irq/126-lan20:20:143
6434991110,1cyclictest65850irq/126-lan00:05:193
642099110,2cyclictest29128-21sed00:00:130
643499109,1cyclictest65850irq/126-lan20:50:123
643499109,1cyclictest65850irq/126-lan20:10:143
6434991010,0cyclictest65850irq/126-lan23:20:003
6434991010,0cyclictest65850irq/126-lan20:25:153
64309998,1cyclictest743-21snmpd22:35:402
64309997,2cyclictest10378-21cron19:20:002
64259998,1cyclictest741-21lldpd00:34:101
64259996,3cyclictest27137-21cat23:55:161
64209998,1cyclictest743-21snmpd23:15:240
64209998,1cyclictest743-21snmpd23:11:060
64209998,1cyclictest743-21snmpd22:09:440
64209998,1cyclictest743-21snmpd20:21:560
64209998,1cyclictest743-21snmpd19:49:040
64209998,1cyclictest741-21lldpd23:50:120
64309988,0cyclictest743-21snmpd22:16:002
64309988,0cyclictest743-21snmpd21:31:192
64309988,0cyclictest743-21snmpd21:23:192
64309988,0cyclictest743-21snmpd20:22:292
64309988,0cyclictest743-21snmpd20:10:032
64309988,0cyclictest741-21lldpd20:02:252
64309987,1cyclictest18805-21cut21:00:012
64309986,2cyclictest743-21snmpd23:05:342
64309986,2cyclictest743-21snmpd21:59:542
64309986,2cyclictest743-21snmpd19:41:232
64259988,0cyclictest743-21snmpd19:15:001
64259988,0cyclictest741-21lldpd22:48:551
64259988,0cyclictest741-21lldpd20:09:391
64259988,0cyclictest741-21lldpd19:54:191
64259988,0cyclictest741-21lldpd19:47:511
64259986,2cyclictest743-21snmpd23:31:381
64259986,2cyclictest743-21snmpd22:59:471
64259986,2cyclictest743-21snmpd19:29:251
64259985,1cyclictest6413-21cyclictest19:20:151
64259981,5cyclictest7265-21ntpq23:05:161
64259981,5cyclictest31424-21df20:10:111
64259981,5cyclictest27094-21ntpq22:35:161
64259981,5cyclictest24256-21seq23:48:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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