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2026-05-25 - 21:47

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 May 25, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5662991918,1cyclictest65850irq/126-lan12:20:011
5662991818,0cyclictest65850irq/126-lan11:15:181
5662991818,0cyclictest65850irq/126-lan10:00:001
5662991818,0cyclictest65850irq/126-lan08:24:501
5662991818,0cyclictest65850irq/126-lan07:40:201
5662991817,1cyclictest65850irq/126-lan12:20:161
5662991817,1cyclictest65850irq/126-lan10:10:121
5662991717,0cyclictest65850irq/126-lan11:00:151
5662991717,0cyclictest65850irq/126-lan10:35:121
5662991717,0cyclictest65850irq/126-lan08:30:291
5662991717,0cyclictest65850irq/126-lan07:17:291
5662991716,1cyclictest65850irq/126-lan12:35:131
5662991716,1cyclictest65850irq/126-lan11:35:101
5662991716,1cyclictest65850irq/126-lan11:24:061
5662991716,1cyclictest65850irq/126-lan11:10:181
5662991716,1cyclictest65850irq/126-lan10:35:001
5662991716,1cyclictest65850irq/126-lan09:50:131
5662991716,1cyclictest65850irq/126-lan09:10:001
5662991716,1cyclictest65850irq/126-lan08:55:121
5662991716,1cyclictest65850irq/126-lan07:55:111
5662991716,1cyclictest65850irq/126-lan07:35:201
5662991616,0cyclictest65850irq/126-lan11:48:301
5662991616,0cyclictest65850irq/126-lan08:45:131
5662991616,0cyclictest65850irq/126-lan08:35:301
5662991616,0cyclictest65850irq/126-lan08:05:121
5662991615,1cyclictest65850irq/126-lan12:30:201
5662991615,1cyclictest65850irq/126-lan12:10:121
5662991615,1cyclictest65850irq/126-lan09:40:191
5662991615,1cyclictest65850irq/126-lan09:25:111
5662991615,1cyclictest65850irq/126-lan09:00:131
5662991615,1cyclictest65850irq/126-lan07:30:181
5662991615,1cyclictest65850irq/126-lan07:10:131
5662991515,0cyclictest65850irq/126-lan12:29:301
5662991515,0cyclictest65850irq/126-lan11:50:161
5662991515,0cyclictest65850irq/126-lan10:50:111
5662991515,0cyclictest65850irq/126-lan10:45:171
5662991515,0cyclictest65850irq/126-lan08:15:121
5662991514,1cyclictest65850irq/126-lan12:05:131
5662991514,1cyclictest65850irq/126-lan08:25:211
5662991514,1cyclictest65850irq/126-lan07:50:201
5662991414,0cyclictest65850irq/126-lan11:30:171
5662991414,0cyclictest65850irq/126-lan07:45:121
5662991413,1cyclictest65850irq/126-lan11:55:131
5662991413,1cyclictest65850irq/126-lan10:15:121
5662991413,1cyclictest65850irq/126-lan09:55:181
5662991313,0cyclictest65850irq/126-lan10:25:121
5662991313,0cyclictest65850irq/126-lan09:35:291
5662991313,0cyclictest65850irq/126-lan09:22:301
5662991313,0cyclictest65850irq/126-lan09:05:161
5662991313,0cyclictest65850irq/126-lan08:50:141
5662991313,0cyclictest65850irq/126-lan07:25:141
5662991312,1cyclictest65850irq/126-lan12:00:211
5662991312,1cyclictest65850irq/126-lan09:30:151
5662991312,1cyclictest65850irq/126-lan07:20:141
5653991311,2cyclictest717-21ntpd09:53:490
5662991212,0cyclictest65850irq/126-lan08:00:101
5662991211,1cyclictest65850irq/126-lan09:15:151
5662991211,1cyclictest65850irq/126-lan08:40:131
5662991111,0cyclictest65850irq/126-lan11:25:161
5662991110,1cyclictest65850irq/126-lan10:20:131
5662991110,1cyclictest65850irq/126-lan10:05:141
5662991110,1cyclictest65850irq/126-lan09:45:121
5662991010,0cyclictest65850irq/126-lan10:40:131
5662991010,0cyclictest65850irq/126-lan08:10:291
56729998,1cyclictest743-21snmpd10:15:073
56729998,1cyclictest743-21snmpd07:54:353
56689998,1cyclictest743-21snmpd10:37:112
56689998,1cyclictest743-21snmpd09:55:332
56689998,1cyclictest743-21snmpd09:49:032
56629998,1cyclictest65850irq/126-lan11:40:141
56629998,1cyclictest65850irq/126-lan11:05:011
56539998,1cyclictest743-21snmpd10:22:310
56539998,1cyclictest743-21snmpd10:19:010
56539998,1cyclictest743-21snmpd09:31:510
56539998,1cyclictest743-21snmpd07:49:140
56539998,1cyclictest743-21snmpd07:32:200
56539996,3cyclictest717-21ntpd11:53:040
56729988,0cyclictest743-21snmpd11:50:133
56729988,0cyclictest743-21snmpd11:37:033
56729988,0cyclictest743-21snmpd10:39:203
56729988,0cyclictest743-21snmpd10:08:463
56729988,0cyclictest741-21lldpd09:45:243
56729988,0cyclictest741-21lldpd08:42:013
56729988,0cyclictest741-21lldpd08:36:453
56729988,0cyclictest741-21lldpd07:46:333
56729987,1cyclictest743-21snmpd09:03:173
56729987,1cyclictest7321-21needreboot11:05:163
56729986,2cyclictest743-21snmpd12:05:253
56729986,2cyclictest743-21snmpd10:28:253
56729986,2cyclictest29731-21cat12:00:133
56729984,3cyclictest9024-21apt-get12:30:123
56689988,0cyclictest743-21snmpd11:07:232
56689988,0cyclictest743-21snmpd08:58:172
56689988,0cyclictest741-21lldpd10:54:512
56689987,1cyclictest743-21snmpd09:42:332
56689987,1cyclictest743-21snmpd09:25:052
56689987,1cyclictest743-21snmpd09:23:482
56689987,1cyclictest28617-21cpuspeed_turbos10:40:122
56689986,2cyclictest743-21snmpd09:07:512
56689986,2cyclictest743-21snmpd07:38:502
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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