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2026-06-24 - 03:32

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 Jun 24, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14708991918,1cyclictest65850irq/126-lan19:20:460
14708991818,0cyclictest65850irq/126-lan21:29:140
14708991818,0cyclictest65850irq/126-lan21:22:240
14708991817,1cyclictest65850irq/126-lan22:52:040
14708991717,0cyclictest65850irq/126-lan21:35:130
14708991717,0cyclictest65850irq/126-lan21:30:210
14708991717,0cyclictest65850irq/126-lan20:45:330
14708991717,0cyclictest65850irq/126-lan20:44:550
14708991716,1cyclictest65850irq/126-lan23:50:150
14708991716,1cyclictest65850irq/126-lan19:15:120
14708991616,0cyclictest743-21snmpd23:41:560
14708991616,0cyclictest743-21snmpd23:21:510
14708991616,0cyclictest743-21snmpd22:31:280
14708991616,0cyclictest743-21snmpd22:20:220
14708991616,0cyclictest743-21snmpd22:20:220
14708991616,0cyclictest743-21snmpd00:25:020
14708991616,0cyclictest743-21snmpd00:02:580
14708991616,0cyclictest65850irq/126-lan23:25:210
14708991616,0cyclictest65850irq/126-lan21:50:340
14708991616,0cyclictest65850irq/126-lan21:10:230
14708991616,0cyclictest65850irq/126-lan20:30:220
14708991616,0cyclictest65850irq/126-lan00:20:140
14708991616,0cyclictest65850irq/126-lan00:07:200
14708991615,1cyclictest65850irq/126-lan23:15:160
14708991615,1cyclictest65850irq/126-lan23:10:150
14708991615,1cyclictest65850irq/126-lan22:15:220
14708991615,1cyclictest65850irq/126-lan21:07:420
14708991615,1cyclictest65850irq/126-lan20:50:130
14708991615,1cyclictest65850irq/126-lan20:35:140
14708991615,1cyclictest65850irq/126-lan19:30:180
14708991515,0cyclictest743-21snmpd20:20:440
14708991515,0cyclictest743-21snmpd20:19:560
14708991515,0cyclictest743-21snmpd19:58:370
14708991515,0cyclictest743-21snmpd19:36:070
14708991515,0cyclictest65850irq/126-lan20:10:160
14708991515,0cyclictest65850irq/126-lan00:35:110
14708991515,0cyclictest11537-21cat21:40:140
14708991514,1cyclictest65850irq/126-lan23:56:170
14708991514,1cyclictest65850irq/126-lan23:45:230
14708991514,1cyclictest65850irq/126-lan22:40:150
14708991514,1cyclictest65850irq/126-lan20:05:120
14708991514,1cyclictest65850irq/126-lan19:25:150
14708991514,1cyclictest65850irq/126-lan00:15:160
14708991414,0cyclictest9802-21cat22:55:140
14708991414,0cyclictest743-21snmpd23:39:090
14708991414,0cyclictest743-21snmpd19:52:110
14708991414,0cyclictest65850irq/126-lan22:10:110
14708991414,0cyclictest65850irq/126-lan22:01:320
14708991414,0cyclictest65850irq/126-lan21:15:210
14708991414,0cyclictest65850irq/126-lan21:00:130
14708991414,0cyclictest65850irq/126-lan20:55:380
14708991414,0cyclictest65850irq/126-lan19:40:110
14708991414,0cyclictest29476-21cat19:45:140
14708991413,1cyclictest65850irq/126-lan23:30:130
14708991413,1cyclictest65850irq/126-lan23:00:180
14708991413,1cyclictest65850irq/126-lan20:25:230
14708991413,1cyclictest65850irq/126-lan19:10:130
14708991313,0cyclictest65850irq/126-lan22:45:120
14708991313,0cyclictest65850irq/126-lan20:00:010
14708991212,0cyclictest65850irq/126-lan23:05:190
14708991212,0cyclictest65850irq/126-lan22:26:510
14708991212,0cyclictest65850irq/126-lan22:26:510
14708991212,0cyclictest65850irq/126-lan00:10:160
14708991211,1cyclictest65850irq/126-lan22:35:120
14708991010,0cyclictest65850irq/126-lan21:55:010
147229998,1cyclictest743-21snmpd21:36:443
147229998,1cyclictest741-21lldpd00:25:533
147179998,1cyclictest743-21snmpd19:28:132
147179998,1cyclictest741-21lldpd22:17:122
147179998,1cyclictest741-21lldpd21:21:462
147139998,1cyclictest743-21snmpd22:47:021
147139998,1cyclictest741-21lldpd20:51:491
147139998,1cyclictest26304-21ntp_kernel_pll_23:35:161
147089998,1cyclictest743-21snmpd21:48:000
147089998,1cyclictest741-21lldpd00:31:310
147229988,0cyclictest743-21snmpd00:19:143
147229988,0cyclictest741-21lldpd23:55:463
147229988,0cyclictest741-21lldpd22:47:373
147229988,0cyclictest741-21lldpd20:44:183
147229988,0cyclictest741-21lldpd20:28:203
147229988,0cyclictest741-21lldpd19:31:523
147229988,0cyclictest741-21lldpd19:29:383
147229987,1cyclictest743-21snmpd23:08:583
147229987,1cyclictest741-21lldpd21:48:143
147229987,1cyclictest741-21lldpd19:48:593
147229987,1cyclictest522-21avahi-daemon19:42:433
147229986,2cyclictest743-21snmpd23:33:123
147229986,2cyclictest743-21snmpd23:21:323
147229986,2cyclictest743-21snmpd23:10:413
147229986,2cyclictest743-21snmpd22:03:063
147229986,2cyclictest743-21snmpd21:26:233
147229986,2cyclictest743-21snmpd20:50:373
147229986,2cyclictest743-21snmpd20:16:353
147229986,2cyclictest743-21snmpd00:14:173
147229986,2cyclictest6131-21cat00:05:183
147229986,2cyclictest11835-21cat23:00:133
147179988,0cyclictest741-21lldpd23:00:092
147179988,0cyclictest741-21lldpd21:38:022
147179988,0cyclictest741-21lldpd21:31:502
147179988,0cyclictest741-21lldpd19:39:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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