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2026-07-05 - 14:34

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 05, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5701991818,0cyclictest65850irq/126-lan23:47:360
5701991818,0cyclictest65850irq/126-lan22:16:450
5701991818,0cyclictest65850irq/126-lan20:15:150
5701991818,0cyclictest65850irq/126-lan20:02:010
5701991818,0cyclictest65850irq/126-lan19:50:190
5701991817,1cyclictest65850irq/126-lan23:20:100
5701991817,1cyclictest65850irq/126-lan20:45:120
5701991717,0cyclictest65850irq/126-lan21:25:160
5701991717,0cyclictest65850irq/126-lan20:32:440
5701991717,0cyclictest65850irq/126-lan20:13:440
5701991717,0cyclictest65850irq/126-lan00:05:160
5701991716,1cyclictest65850irq/126-lan23:05:220
5701991716,1cyclictest65850irq/126-lan22:50:200
5701991716,1cyclictest65850irq/126-lan22:45:120
5701991716,1cyclictest65850irq/126-lan22:40:000
5701991716,1cyclictest65850irq/126-lan21:40:130
5701991616,0cyclictest65850irq/126-lan23:55:150
5701991616,0cyclictest65850irq/126-lan23:10:110
5701991616,0cyclictest65850irq/126-lan22:00:440
5701991616,0cyclictest65850irq/126-lan21:55:210
5701991616,0cyclictest65850irq/126-lan19:40:110
5701991616,0cyclictest65850irq/126-lan19:40:110
5701991616,0cyclictest65850irq/126-lan00:19:160
5701991615,1cyclictest65850irq/126-lan23:00:170
5701991615,1cyclictest65850irq/126-lan21:06:430
5701991615,1cyclictest65850irq/126-lan20:55:180
5701991615,1cyclictest65850irq/126-lan00:30:140
5701991515,0cyclictest65850irq/126-lan22:55:180
5701991515,0cyclictest65850irq/126-lan21:38:060
5701991515,0cyclictest65850irq/126-lan20:35:450
5701991515,0cyclictest65850irq/126-lan19:45:160
5701991515,0cyclictest65850irq/126-lan19:25:160
5701991515,0cyclictest65850irq/126-lan19:20:120
5701991514,1cyclictest65850irq/126-lan21:20:180
5701991514,1cyclictest65850irq/126-lan19:35:130
5701991514,1cyclictest65850irq/126-lan19:20:000
5701991514,1cyclictest65850irq/126-lan00:20:160
5701991414,0cyclictest65850irq/126-lan21:16:440
5701991414,0cyclictest65850irq/126-lan20:20:220
5701991414,0cyclictest65850irq/126-lan19:55:140
5701991414,0cyclictest65850irq/126-lan19:10:210
5701991413,1cyclictest65850irq/126-lan23:19:450
5701991413,1cyclictest65850irq/126-lan21:14:050
5701991313,0cyclictest65850irq/126-lan23:40:200
5701991313,0cyclictest65850irq/126-lan23:31:450
5701991313,0cyclictest65850irq/126-lan22:43:440
5701991313,0cyclictest65850irq/126-lan22:30:160
5701991313,0cyclictest65850irq/126-lan22:25:430
5701991313,0cyclictest65850irq/126-lan22:10:160
5701991312,1cyclictest65850irq/126-lan23:25:170
5701991312,1cyclictest65850irq/126-lan21:50:140
5701991312,1cyclictest65850irq/126-lan00:39:480
5701991212,0cyclictest65850irq/126-lan20:05:160
5701991212,0cyclictest65850irq/126-lan19:30:220
5701991212,0cyclictest65850irq/126-lan00:28:020
5701991212,0cyclictest65850irq/126-lan00:10:110
5701991211,1cyclictest65850irq/126-lan21:30:170
5701991211,1cyclictest65850irq/126-lan20:50:170
5701991211,1cyclictest65850irq/126-lan00:00:230
5701991111,0cyclictest65850irq/126-lan23:37:420
5701991110,1cyclictest65850irq/126-lan23:50:160
5701991110,1cyclictest65850irq/126-lan22:20:160
5701991110,1cyclictest65850irq/126-lan21:45:210
5701991110,1cyclictest65850irq/126-lan20:40:160
570199109,1cyclictest65850irq/126-lan22:06:290
57199998,1cyclictest743-21snmpd23:15:093
57199998,1cyclictest743-21snmpd21:03:473
57199998,1cyclictest743-21snmpd20:30:463
57199998,1cyclictest743-21snmpd19:11:223
57199998,1cyclictest741-21lldpd22:00:163
57199996,3cyclictest743-21snmpd20:27:013
57159998,1cyclictest743-21snmpd23:53:412
57159998,1cyclictest743-21snmpd23:23:362
57159998,1cyclictest743-21snmpd23:07:032
57159998,1cyclictest743-21snmpd00:05:142
57199988,0cyclictest741-21lldpd23:29:473
57199988,0cyclictest741-21lldpd20:11:033
57199987,1cyclictest743-21snmpd23:22:123
57199987,1cyclictest743-21snmpd20:54:443
57199987,1cyclictest743-21snmpd20:06:033
57199987,1cyclictest743-21snmpd19:48:453
57199987,1cyclictest244-20systemd-journal19:20:593
57199986,2cyclictest743-21snmpd21:42:123
57199986,2cyclictest743-21snmpd19:55:443
57199986,2cyclictest743-21snmpd00:34:193
57199986,2cyclictest717-21ntpd22:35:023
57199986,2cyclictest23203-21cat22:30:163
57159988,0cyclictest741-21lldpd23:32:232
57159988,0cyclictest741-21lldpd23:27:092
57159988,0cyclictest522-21avahi-daemon21:26:052
57159987,1cyclictest743-21snmpd23:14:302
57159987,1cyclictest743-21snmpd21:22:392
57159987,1cyclictest743-21snmpd19:49:202
57159987,1cyclictest743-21snmpd19:32:532
57159987,1cyclictest743-21snmpd00:01:122
57159986,2cyclictest743-21snmpd21:07:542
57159986,2cyclictest743-21snmpd20:56:592
57159986,2cyclictest743-21snmpd19:20:462
57159986,2cyclictest717-21ntpd22:16:452
57159986,2cyclictest717-21ntpd21:50:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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