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2026-05-23 - 07:04

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 Sat May 23, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22416994341,2cyclictest9926-21lspci21:11:383
22401993333,0cyclictest1279-21fwupd22:08:420
22406991918,1cyclictest65850irq/126-lan19:55:151
22406991818,0cyclictest65850irq/126-lan20:39:301
22406991817,1cyclictest65850irq/126-lan22:00:121
22406991817,1cyclictest65850irq/126-lan21:50:221
22406991817,1cyclictest65850irq/126-lan21:50:211
22406991817,1cyclictest65850irq/126-lan19:40:221
22406991817,1cyclictest65850irq/126-lan00:25:111
22406991817,1cyclictest65850irq/126-lan00:05:211
22406991717,0cyclictest65850irq/126-lan22:25:111
22406991717,0cyclictest65850irq/126-lan21:30:141
22406991717,0cyclictest65850irq/126-lan19:23:061
22406991716,1cyclictest65850irq/126-lan23:45:131
22406991716,1cyclictest65850irq/126-lan23:14:591
22406991716,1cyclictest65850irq/126-lan23:05:121
22406991716,1cyclictest65850irq/126-lan20:20:001
22406991716,1cyclictest65850irq/126-lan00:00:161
22401991717,0cyclictest743-21snmpd21:58:240
22406991616,0cyclictest65850irq/126-lan22:09:071
22406991616,0cyclictest65850irq/126-lan20:55:111
22406991616,0cyclictest65850irq/126-lan20:46:081
22406991616,0cyclictest65850irq/126-lan00:35:101
22406991615,1cyclictest65850irq/126-lan23:55:101
22406991615,1cyclictest65850irq/126-lan22:40:171
22406991615,1cyclictest65850irq/126-lan22:31:321
22406991615,1cyclictest65850irq/126-lan21:05:131
22406991615,1cyclictest65850irq/126-lan20:30:181
22406991615,1cyclictest65850irq/126-lan19:50:121
22406991615,1cyclictest65850irq/126-lan00:30:121
22401991616,0cyclictest743-21snmpd21:35:360
22401991616,0cyclictest743-21snmpd19:20:120
22401991616,0cyclictest743-21snmpd00:29:300
22406991515,0cyclictest65850irq/126-lan22:20:191
22406991515,0cyclictest65850irq/126-lan21:25:101
22406991515,0cyclictest65850irq/126-lan21:15:081
22406991515,0cyclictest65850irq/126-lan20:15:131
22406991515,0cyclictest65850irq/126-lan19:35:151
22406991515,0cyclictest65850irq/126-lan19:30:131
22406991515,0cyclictest65850irq/126-lan19:10:161
22406991514,1cyclictest65850irq/126-lan23:20:201
22406991514,1cyclictest65850irq/126-lan21:10:131
22406991514,1cyclictest65850irq/126-lan21:02:421
22406991514,1cyclictest65850irq/126-lan20:54:331
22406991514,1cyclictest65850irq/126-lan20:05:191
22406991514,1cyclictest65850irq/126-lan00:20:151
22401991515,0cyclictest9411-21cat23:45:130
22401991515,0cyclictest743-21snmpd23:25:220
22401991515,0cyclictest743-21snmpd22:58:110
22401991515,0cyclictest743-21snmpd22:02:070
22401991515,0cyclictest743-21snmpd20:46:520
22401991515,0cyclictest743-21snmpd19:46:050
22401991515,0cyclictest743-21snmpd19:43:340
22401991515,0cyclictest743-21snmpd19:36:280
22401991515,0cyclictest743-21snmpd00:14:560
22406991414,0cyclictest65850irq/126-lan22:45:121
22406991414,0cyclictest65850irq/126-lan22:35:151
22406991414,0cyclictest65850irq/126-lan20:25:161
22406991414,0cyclictest65850irq/126-lan19:26:071
22406991413,1cyclictest65850irq/126-lan23:41:081
22406991413,1cyclictest65850irq/126-lan23:35:111
22406991413,1cyclictest65850irq/126-lan23:30:111
22406991413,1cyclictest65850irq/126-lan23:25:151
22406991413,1cyclictest65850irq/126-lan22:55:111
22406991413,1cyclictest65850irq/126-lan21:55:191
22406991413,1cyclictest65850irq/126-lan20:40:171
22406991413,1cyclictest65850irq/126-lan20:10:141
22406991413,1cyclictest65850irq/126-lan00:15:171
22406991413,1cyclictest65850irq/126-lan00:10:121
22401991414,0cyclictest743-21snmpd23:55:530
22401991414,0cyclictest743-21snmpd22:28:280
22401991414,0cyclictest743-21snmpd21:16:440
22401991414,0cyclictest743-21snmpd20:43:150
22401991414,0cyclictest743-21snmpd20:16:240
22401991414,0cyclictest743-21snmpd20:06:200
22401991414,0cyclictest743-21snmpd20:02:300
22401991414,0cyclictest743-21snmpd00:17:580
22401991414,0cyclictest31829-21cat20:50:150
22406991313,0cyclictest65850irq/126-lan23:53:121
22406991313,0cyclictest65850irq/126-lan22:10:111
22406991313,0cyclictest65850irq/126-lan21:40:171
22406991312,1cyclictest65850irq/126-lan23:00:111
22406991312,1cyclictest65850irq/126-lan22:15:131
22406991312,1cyclictest65850irq/126-lan19:15:141
22406991212,0cyclictest65850irq/126-lan21:35:131
22406991212,0cyclictest65850irq/126-lan21:20:121
22406991212,0cyclictest65850irq/126-lan19:45:191
22406991110,1cyclictest65850irq/126-lan22:50:141
2240699109,1cyclictest65850irq/126-lan21:45:141
224169998,1cyclictest743-21snmpd20:09:533
224169998,1cyclictest741-21lldpd23:43:053
224169998,1cyclictest741-21lldpd21:57:473
224019998,1cyclictest506-21systemd-resolve21:40:100
224169988,0cyclictest743-21snmpd23:11:083
224169988,0cyclictest741-21lldpd20:53:013
224169988,0cyclictest741-21lldpd19:16:433
224169987,1cyclictest743-21snmpd21:44:263
224169987,1cyclictest743-21snmpd21:00:023
224169987,1cyclictest743-21snmpd00:10:473
224169986,2cyclictest743-21snmpd23:18:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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