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2025-12-01 - 09:49

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 Mon Dec 01, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18871993333,0cyclictest31291-21fwupd22:38:191
18871991919,0cyclictest66850irq/125-lan23:38:121
18871991918,1cyclictest66850irq/125-lan23:11:161
18871991918,1cyclictest66850irq/125-lan21:41:551
18871991918,1cyclictest66850irq/125-lan19:50:171
18871991918,1cyclictest66850irq/125-lan00:18:521
18871991918,1cyclictest66850irq/125-lan00:04:411
18871991818,0cyclictest66850irq/125-lan23:30:551
18871991818,0cyclictest66850irq/125-lan23:00:161
18871991818,0cyclictest66850irq/125-lan22:50:181
18871991818,0cyclictest66850irq/125-lan22:40:331
18871991818,0cyclictest66850irq/125-lan21:54:011
18871991818,0cyclictest66850irq/125-lan21:46:441
18871991818,0cyclictest66850irq/125-lan21:27:541
18871991818,0cyclictest66850irq/125-lan21:10:211
18871991818,0cyclictest66850irq/125-lan00:37:051
18871991818,0cyclictest66850irq/125-lan00:10:161
18871991817,1cyclictest66850irq/125-lan23:55:291
18871991817,1cyclictest66850irq/125-lan23:45:181
18871991817,1cyclictest66850irq/125-lan23:20:461
18871991817,1cyclictest66850irq/125-lan22:55:171
18871991817,1cyclictest66850irq/125-lan22:45:141
18871991817,1cyclictest66850irq/125-lan22:15:211
18871991817,1cyclictest66850irq/125-lan21:55:161
18871991817,1cyclictest66850irq/125-lan00:08:491
18871991717,0cyclictest771-21snmpd22:33:171
18871991717,0cyclictest66850irq/125-lan23:15:411
18871991717,0cyclictest66850irq/125-lan22:25:171
18871991717,0cyclictest66850irq/125-lan22:00:161
18871991717,0cyclictest66850irq/125-lan21:20:351
18871991717,0cyclictest66850irq/125-lan21:18:031
18871991717,0cyclictest66850irq/125-lan20:30:221
18871991717,0cyclictest66850irq/125-lan00:28:161
18871991716,1cyclictest66850irq/125-lan23:50:141
18871991716,1cyclictest66850irq/125-lan23:42:431
18871991716,1cyclictest66850irq/125-lan23:25:371
18871991716,1cyclictest66850irq/125-lan23:06:541
18871991716,1cyclictest66850irq/125-lan22:21:571
18871991716,1cyclictest66850irq/125-lan22:10:191
18871991716,1cyclictest66850irq/125-lan22:08:431
18871991716,1cyclictest66850irq/125-lan21:35:131
18871991716,1cyclictest66850irq/125-lan21:31:181
18871991716,1cyclictest66850irq/125-lan20:25:191
18871991716,1cyclictest66850irq/125-lan19:22:081
18871991616,0cyclictest771-21snmpd20:16:191
18871991616,0cyclictest771-21snmpd19:35:471
18871991616,0cyclictest66850irq/125-lan20:35:151
18871991616,0cyclictest66850irq/125-lan20:02:081
18871991616,0cyclictest66850irq/125-lan19:25:141
18871991615,1cyclictest66850irq/125-lan21:06:521
18871991615,1cyclictest66850irq/125-lan20:10:141
18871991615,1cyclictest66850irq/125-lan19:30:161
18871991615,1cyclictest66850irq/125-lan00:30:191
18871991615,1cyclictest66850irq/125-lan00:20:211
18871991515,0cyclictest66850irq/125-lan20:50:141
18871991515,0cyclictest66850irq/125-lan20:45:191
18871991515,0cyclictest66850irq/125-lan20:40:231
18871991515,0cyclictest66850irq/125-lan20:21:081
18871991515,0cyclictest66850irq/125-lan20:05:181
18871991515,0cyclictest66850irq/125-lan19:40:191
18871991515,0cyclictest66850irq/125-lan19:15:201
18871991414,0cyclictest771-21snmpd19:57:121
18871991414,0cyclictest66850irq/125-lan20:55:221
18871991413,1cyclictest66850irq/125-lan19:45:161
18871991413,1cyclictest66850irq/125-lan19:13:251
18871991313,0cyclictest66850irq/125-lan21:00:171
1887699107,3cyclictest771-21snmpd00:01:182
188769998,1cyclictest769-21lldpd23:39:172
188769998,1cyclictest524-21avahi-daemon23:50:412
188769998,1cyclictest255-20systemd-journal22:59:202
188769996,3cyclictest771-21snmpd23:56:482
188679998,1cyclictest771-21snmpd22:19:260
188679998,1cyclictest771-21snmpd21:40:400
188679998,1cyclictest771-21snmpd21:05:520
188809988,0cyclictest771-21snmpd22:33:293
188809988,0cyclictest771-21snmpd22:25:383
188809988,0cyclictest771-21snmpd22:09:473
188809988,0cyclictest771-21snmpd21:48:063
188809988,0cyclictest771-21snmpd19:24:563
188809988,0cyclictest771-21snmpd00:36:253
188809988,0cyclictest771-21snmpd00:07:183
188809988,0cyclictest769-21lldpd21:11:373
188809988,0cyclictest769-21lldpd00:22:423
188809987,1cyclictest771-21snmpd20:50:563
188809987,1cyclictest524-21avahi-daemon22:54:063
188809987,1cyclictest517-21systemd-resolve23:29:463
188809986,2cyclictest771-21snmpd22:24:293
188809986,2cyclictest771-21snmpd21:59:133
188809986,2cyclictest771-21snmpd19:58:573
188769988,0cyclictest771-21snmpd23:07:312
188769988,0cyclictest771-21snmpd19:10:502
188769988,0cyclictest769-21lldpd23:49:562
188769988,0cyclictest769-21lldpd23:33:492
188769988,0cyclictest769-21lldpd22:46:512
188769988,0cyclictest769-21lldpd22:38:282
188769988,0cyclictest769-21lldpd21:26:392
188769987,1cyclictest771-21snmpd19:49:532
188769987,1cyclictest524-21avahi-daemon21:56:092
188769987,1cyclictest524-21avahi-daemon21:19:582
188769986,2cyclictest771-21snmpd23:13:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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