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2026-07-12 - 19:52

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 Sun Jul 12, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5946992019,1cyclictest65850irq/126-lan09:12:360
5946991818,0cyclictest65850irq/126-lan10:10:530
5946991817,1cyclictest65850irq/126-lan12:30:130
5946991817,1cyclictest65850irq/126-lan12:03:560
5946991817,1cyclictest65850irq/126-lan11:30:190
5946991817,1cyclictest65850irq/126-lan11:15:200
5946991817,1cyclictest65850irq/126-lan11:10:160
5946991817,1cyclictest65850irq/126-lan10:35:160
5946991817,1cyclictest65850irq/126-lan10:00:140
5946991717,0cyclictest65850irq/126-lan10:40:300
5946991717,0cyclictest65850irq/126-lan10:30:160
5946991717,0cyclictest65850irq/126-lan07:50:120
5946991716,1cyclictest65850irq/126-lan10:15:130
5946991716,1cyclictest65850irq/126-lan07:21:130
5946991616,0cyclictest65850irq/126-lan11:06:530
5946991616,0cyclictest65850irq/126-lan11:00:010
5946991616,0cyclictest65850irq/126-lan10:45:130
5946991616,0cyclictest65850irq/126-lan10:20:220
5946991616,0cyclictest65850irq/126-lan09:38:400
5946991616,0cyclictest65850irq/126-lan08:57:070
5946991616,0cyclictest65850irq/126-lan08:25:210
5946991616,0cyclictest65850irq/126-lan07:29:450
5946991616,0cyclictest65850irq/126-lan07:13:270
5946991615,1cyclictest65850irq/126-lan12:15:110
5946991615,1cyclictest65850irq/126-lan08:43:260
5946991615,1cyclictest65850irq/126-lan08:30:170
5946991515,0cyclictest65850irq/126-lan11:54:250
5946991515,0cyclictest65850irq/126-lan11:25:200
5946991515,0cyclictest65850irq/126-lan09:40:140
5946991514,1cyclictest65850irq/126-lan09:25:210
5946991514,1cyclictest65850irq/126-lan08:20:000
5946991514,1cyclictest65850irq/126-lan07:30:210
5946991414,0cyclictest65850irq/126-lan11:45:190
5946991414,0cyclictest65850irq/126-lan11:40:190
5946991414,0cyclictest65850irq/126-lan10:05:210
5946991413,1cyclictest65850irq/126-lan11:20:160
5946991413,1cyclictest65850irq/126-lan08:52:470
5946991413,1cyclictest65850irq/126-lan08:35:140
5946991313,0cyclictest65850irq/126-lan12:20:160
5946991313,0cyclictest65850irq/126-lan09:55:110
5946991313,0cyclictest65850irq/126-lan09:30:150
5946991313,0cyclictest65850irq/126-lan09:20:150
5946991313,0cyclictest65850irq/126-lan09:05:100
5946991313,0cyclictest65850irq/126-lan07:15:160
5946991312,1cyclictest65850irq/126-lan12:05:130
5946991312,1cyclictest65850irq/126-lan10:25:120
5946991312,1cyclictest65850irq/126-lan09:45:110
5946991312,1cyclictest65850irq/126-lan08:05:180
5946991312,1cyclictest65850irq/126-lan08:00:150
5946991312,1cyclictest65850irq/126-lan07:55:000
5946991312,1cyclictest65850irq/126-lan07:45:170
5946991212,0cyclictest65850irq/126-lan08:20:170
5946991212,0cyclictest65850irq/126-lan07:35:200
5946991211,1cyclictest65850irq/126-lan11:55:200
5946991111,0cyclictest65850irq/126-lan12:35:150
5946991111,0cyclictest65850irq/126-lan11:35:180
5946991111,0cyclictest65850irq/126-lan09:50:200
5946991110,1cyclictest65850irq/126-lan09:15:170
595099108,1cyclictest743-21snmpd11:50:001
594699109,1cyclictest65850irq/126-lan08:45:160
59579998,1cyclictest743-21snmpd09:24:012
59579998,1cyclictest741-21lldpd08:53:312
59579997,1cyclictest30586-21cron08:10:002
59509998,1cyclictest743-21snmpd12:18:431
59509998,1cyclictest743-21snmpd10:08:061
59509998,1cyclictest741-21lldpd08:19:151
59469999,0cyclictest65850irq/126-lan10:55:130
59469998,1cyclictest65850irq/126-lan09:00:000
59629988,0cyclictest743-21snmpd12:17:263
59629988,0cyclictest743-21snmpd09:24:383
59629988,0cyclictest743-21snmpd09:07:383
59629988,0cyclictest741-21lldpd12:02:473
59629988,0cyclictest741-21lldpd11:00:473
59629988,0cyclictest741-21lldpd08:21:033
59629988,0cyclictest741-21lldpd08:17:353
59629987,1cyclictest743-21snmpd10:19:063
59629987,1cyclictest743-21snmpd09:30:053
59629987,1cyclictest725-21in:imuxsock08:10:003
59629986,2cyclictest743-21snmpd10:28:463
59629986,2cyclictest743-21snmpd10:06:123
59629986,2cyclictest743-21snmpd10:03:483
59629986,2cyclictest743-21snmpd08:27:033
59579988,0cyclictest743-21snmpd11:47:582
59579988,0cyclictest743-21snmpd11:34:282
59579988,0cyclictest743-21snmpd11:14:502
59579988,0cyclictest743-21snmpd08:59:192
59579988,0cyclictest743-21snmpd07:40:432
59579988,0cyclictest741-21lldpd12:07:202
59579988,0cyclictest741-21lldpd10:50:212
59579988,0cyclictest741-21lldpd09:47:422
59579987,1cyclictest743-21snmpd10:04:032
59579987,1cyclictest743-21snmpd09:38:262
59579986,2cyclictest743-21snmpd11:20:232
59579986,2cyclictest743-21snmpd07:11:162
59579986,2cyclictest6065-21cat12:25:142
59579984,3cyclictest7083-21df_inode09:50:122
59579984,3cyclictest17568-21memory10:15:142
59509988,0cyclictest743-21snmpd12:32:321
59509988,0cyclictest743-21snmpd12:10:101
59509988,0cyclictest743-21snmpd10:35:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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