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2026-04-04 - 07:40

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 Apr 04, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24571991919,0cyclictest65850irq/126-lan23:39:291
24571991918,1cyclictest65850irq/126-lan23:45:481
24571991918,1cyclictest65850irq/126-lan22:30:261
24571991918,1cyclictest65850irq/126-lan19:40:161
24571991918,1cyclictest65850irq/126-lan00:25:121
24571991818,0cyclictest65850irq/126-lan22:00:341
24571991818,0cyclictest65850irq/126-lan21:10:131
24571991817,1cyclictest65850irq/126-lan22:16:181
24571991817,1cyclictest65850irq/126-lan21:55:121
24571991817,1cyclictest65850irq/126-lan20:40:101
24571991817,1cyclictest65850irq/126-lan00:35:121
24571991717,0cyclictest65850irq/126-lan22:07:161
24571991717,0cyclictest65850irq/126-lan19:28:221
24571991716,1cyclictest65850irq/126-lan22:52:161
24571991716,1cyclictest65850irq/126-lan21:50:151
24571991716,1cyclictest65850irq/126-lan21:35:171
24571991716,1cyclictest65850irq/126-lan21:25:201
24571991716,1cyclictest65850irq/126-lan20:34:561
24571991716,1cyclictest65850irq/126-lan20:25:121
24571991716,1cyclictest65850irq/126-lan00:05:161
24571991616,0cyclictest65850irq/126-lan23:25:111
24571991616,0cyclictest65850irq/126-lan19:37:581
24571991616,0cyclictest65850irq/126-lan19:15:111
24571991615,1cyclictest65850irq/126-lan23:50:171
24571991615,1cyclictest65850irq/126-lan23:15:151
24571991615,1cyclictest65850irq/126-lan22:55:131
24571991615,1cyclictest65850irq/126-lan22:25:141
24571991615,1cyclictest65850irq/126-lan21:40:141
24571991615,1cyclictest65850irq/126-lan00:30:161
24571991515,0cyclictest65850irq/126-lan23:10:191
24571991515,0cyclictest65850irq/126-lan21:45:151
24571991515,0cyclictest65850irq/126-lan19:45:151
24571991514,1cyclictest65850irq/126-lan23:40:121
24571991514,1cyclictest65850irq/126-lan21:05:171
24571991514,1cyclictest65850irq/126-lan21:00:181
24571991514,1cyclictest65850irq/126-lan20:55:111
24571991514,1cyclictest65850irq/126-lan20:05:171
24571991514,1cyclictest65850irq/126-lan00:20:211
24571991414,0cyclictest65850irq/126-lan23:23:151
24571991414,0cyclictest65850irq/126-lan22:45:191
24571991414,0cyclictest65850irq/126-lan22:40:121
24571991414,0cyclictest65850irq/126-lan22:20:191
24571991414,0cyclictest65850irq/126-lan19:55:141
24571991414,0cyclictest65850irq/126-lan19:20:171
24571991413,1cyclictest65850irq/126-lan00:00:201
24576991311,2cyclictest743-21snmpd20:05:242
24571991313,0cyclictest65850irq/126-lan23:56:151
24571991313,0cyclictest65850irq/126-lan22:40:011
24571991313,0cyclictest65850irq/126-lan22:40:011
24571991313,0cyclictest65850irq/126-lan20:15:211
24571991313,0cyclictest65850irq/126-lan19:50:121
24571991313,0cyclictest65850irq/126-lan00:15:131
24571991312,1cyclictest65850irq/126-lan20:00:121
24571991312,1cyclictest65850irq/126-lan00:10:181
24571991212,0cyclictest65850irq/126-lan23:05:211
24571991211,1cyclictest65850irq/126-lan23:00:131
24571991211,1cyclictest65850irq/126-lan22:10:151
24571991211,1cyclictest65850irq/126-lan21:15:141
24571991111,0cyclictest65850irq/126-lan21:30:141
24571991111,0cyclictest65850irq/126-lan21:21:161
24571991111,0cyclictest65850irq/126-lan19:30:111
24571991110,1cyclictest65850irq/126-lan19:10:231
24571991010,0cyclictest65850irq/126-lan20:45:161
24571991010,0cyclictest65850irq/126-lan20:36:161
245809998,1cyclictest743-21snmpd21:20:363
245809998,1cyclictest743-21snmpd00:37:353
245769998,1cyclictest743-21snmpd23:12:152
245769998,1cyclictest743-21snmpd21:43:572
245769998,1cyclictest743-21snmpd19:36:052
245769998,1cyclictest741-21lldpd20:20:432
245769998,1cyclictest30908-21fschecks_time23:20:122
245719999,0cyclictest65850irq/126-lan20:50:201
245719998,1cyclictest65850irq/126-lan20:20:211
245639998,1cyclictest743-21snmpd22:05:500
245639998,1cyclictest743-21snmpd20:08:340
245639998,1cyclictest743-21snmpd20:03:190
245809988,0cyclictest743-21snmpd20:12:433
245809988,0cyclictest741-21lldpd23:53:143
245809988,0cyclictest741-21lldpd21:41:053
245809988,0cyclictest741-21lldpd21:03:033
245809988,0cyclictest741-21lldpd20:28:533
245809987,1cyclictest506-21systemd-resolve19:35:163
245809986,2cyclictest743-21snmpd21:56:513
245809986,2cyclictest743-21snmpd21:14:503
245809986,2cyclictest743-21snmpd20:58:193
245809985,3cyclictest743-21snmpd23:00:123
245769988,0cyclictest743-21snmpd19:51:532
245769988,0cyclictest743-21snmpd19:30:412
245769988,0cyclictest743-21snmpd00:36:082
245769988,0cyclictest741-21lldpd22:01:242
245769988,0cyclictest741-21lldpd20:33:172
245769988,0cyclictest741-21lldpd20:00:002
245769987,1cyclictest743-21snmpd21:55:392
245769987,1cyclictest743-21snmpd21:02:452
245769986,2cyclictest743-21snmpd23:57:202
245769986,2cyclictest743-21snmpd23:19:042
245769986,2cyclictest743-21snmpd22:08:322
245769986,2cyclictest743-21snmpd20:52:562
245769986,2cyclictest743-21snmpd00:29:412
245769985,3cyclictest743-21snmpd21:33:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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