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2026-07-01 - 07:24

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 Wed Jul 01, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31894992121,0cyclictest1465-21fwupd21:52:340
31894992019,1cyclictest65850irq/126-lan20:49:060
31901991919,0cyclictest8755-21cat23:30:152
31894991918,1cyclictest65850irq/126-lan23:50:140
31894991918,1cyclictest65850irq/126-lan20:20:120
31901991818,0cyclictest743-21snmpd23:09:212
31901991818,0cyclictest743-21snmpd00:13:202
31901991818,0cyclictest10544-21cat20:55:142
31894991817,1cyclictest65850irq/126-lan23:43:060
31894991817,1cyclictest65850irq/126-lan23:05:130
31894991817,1cyclictest65850irq/126-lan22:35:080
31894991817,1cyclictest65850irq/126-lan21:45:200
31894991817,1cyclictest65850irq/126-lan20:05:150
31901991717,0cyclictest743-21snmpd22:55:212
31901991717,0cyclictest743-21snmpd22:36:372
31901991717,0cyclictest743-21snmpd21:54:572
31901991717,0cyclictest743-21snmpd20:19:392
31901991717,0cyclictest743-21snmpd19:11:182
31901991717,0cyclictest743-21snmpd00:39:272
31894991717,0cyclictest65850irq/126-lan19:50:110
31894991716,1cyclictest65850irq/126-lan23:10:100
31894991716,1cyclictest65850irq/126-lan23:00:150
31894991716,1cyclictest65850irq/126-lan22:40:180
31894991716,1cyclictest65850irq/126-lan21:30:210
31894991716,1cyclictest65850irq/126-lan20:40:210
31894991716,1cyclictest65850irq/126-lan20:15:160
31894991716,1cyclictest65850irq/126-lan00:40:010
31894991716,1cyclictest65850irq/126-lan00:15:190
31894991716,1cyclictest65850irq/126-lan00:10:080
31901991616,0cyclictest21326-21cat00:00:142
31894991616,0cyclictest65850irq/126-lan22:10:110
31894991616,0cyclictest65850irq/126-lan21:04:090
31894991615,1cyclictest65850irq/126-lan23:30:160
31894991615,1cyclictest65850irq/126-lan22:30:130
31894991615,1cyclictest65850irq/126-lan21:20:150
31894991615,1cyclictest65850irq/126-lan21:15:110
31894991615,1cyclictest65850irq/126-lan19:21:110
31894991615,1cyclictest65850irq/126-lan19:15:160
31894991615,1cyclictest65850irq/126-lan19:10:140
31894991615,1cyclictest65850irq/126-lan00:30:130
31894991615,1cyclictest65850irq/126-lan00:00:230
31901991515,0cyclictest743-21snmpd23:42:592
31901991515,0cyclictest14571-21cat21:05:162
31894991515,0cyclictest65850irq/126-lan23:35:150
31894991515,0cyclictest65850irq/126-lan22:50:190
31894991515,0cyclictest65850irq/126-lan22:00:140
31894991515,0cyclictest65850irq/126-lan19:40:130
31894991514,1cyclictest65850irq/126-lan23:15:150
31894991514,1cyclictest65850irq/126-lan22:20:170
31894991514,1cyclictest65850irq/126-lan21:40:200
31894991514,1cyclictest65850irq/126-lan19:45:110
31894991514,1cyclictest65850irq/126-lan19:35:210
31894991514,1cyclictest65850irq/126-lan00:25:130
31894991414,0cyclictest65850irq/126-lan22:05:120
31894991414,0cyclictest65850irq/126-lan20:00:200
31894991413,1cyclictest65850irq/126-lan20:10:120
31894991413,1cyclictest65850irq/126-lan19:30:120
31894991313,0cyclictest65850irq/126-lan22:25:230
31894991313,0cyclictest65850irq/126-lan19:26:380
31894991312,1cyclictest65850irq/126-lan23:55:130
31894991312,1cyclictest65850irq/126-lan23:25:200
31894991312,1cyclictest65850irq/126-lan22:45:180
31894991312,1cyclictest65850irq/126-lan21:11:090
31894991312,1cyclictest65850irq/126-lan20:35:110
31894991312,1cyclictest65850irq/126-lan00:24:140
31894991212,0cyclictest65850irq/126-lan19:55:130
31894991211,1cyclictest65850irq/126-lan21:40:000
31894991211,1cyclictest65850irq/126-lan21:25:120
31894991211,1cyclictest65850irq/126-lan21:05:220
31894991211,1cyclictest65850irq/126-lan20:50:170
31894991211,1cyclictest65850irq/126-lan20:30:160
3189499109,1cyclictest65850irq/126-lan23:20:110
3189499109,1cyclictest65850irq/126-lan22:55:160
3189499109,1cyclictest65850irq/126-lan22:15:140
3189499109,1cyclictest65850irq/126-lan20:55:190
31894991010,0cyclictest65850irq/126-lan23:45:190
319049998,1cyclictest743-21snmpd22:41:513
319049998,1cyclictest743-21snmpd22:30:583
319049998,1cyclictest743-21snmpd22:12:473
319049998,1cyclictest743-21snmpd21:25:173
319049998,1cyclictest743-21snmpd19:27:523
319019998,1cyclictest743-21snmpd20:31:242
318999998,1cyclictest743-21snmpd22:40:241
318999998,1cyclictest743-21snmpd20:42:181
319049988,0cyclictest743-21snmpd19:21:223
319049988,0cyclictest743-21snmpd00:37:273
319049988,0cyclictest741-21lldpd23:54:163
319049988,0cyclictest741-21lldpd22:51:223
319049988,0cyclictest741-21lldpd00:32:343
319049987,1cyclictest741-21lldpd22:03:333
319049987,1cyclictest522-21avahi-daemon21:55:273
319049986,2cyclictest743-21snmpd20:51:443
319019988,0cyclictest743-21snmpd23:52:282
319019988,0cyclictest743-21snmpd21:58:012
319019988,0cyclictest743-21snmpd20:50:202
319019988,0cyclictest741-21lldpd23:49:092
319019988,0cyclictest741-21lldpd21:01:062
319019987,1cyclictest741-21lldpd21:30:522
319019987,1cyclictest741-21lldpd19:17:472
319019986,2cyclictest743-21snmpd22:01:482
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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