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2025-12-06 - 11:43

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 Dec 06, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22210991919,0cyclictest66850irq/125-lan22:01:201
22210991918,1cyclictest66850irq/125-lan23:55:191
22210991918,1cyclictest66850irq/125-lan22:55:551
22210991918,1cyclictest66850irq/125-lan22:32:511
22210991918,1cyclictest66850irq/125-lan22:20:421
22210991918,1cyclictest66850irq/125-lan20:00:401
22210991818,0cyclictest66850irq/125-lan23:21:181
22210991818,0cyclictest66850irq/125-lan22:54:241
22210991818,0cyclictest66850irq/125-lan21:50:031
22210991818,0cyclictest66850irq/125-lan21:38:461
22210991818,0cyclictest66850irq/125-lan21:20:181
22210991818,0cyclictest66850irq/125-lan21:12:121
22210991817,1cyclictest66850irq/125-lan23:50:161
22210991817,1cyclictest66850irq/125-lan23:46:151
22210991817,1cyclictest66850irq/125-lan23:35:131
22210991817,1cyclictest66850irq/125-lan22:37:281
22210991817,1cyclictest66850irq/125-lan22:25:221
22210991817,1cyclictest66850irq/125-lan22:15:181
22210991817,1cyclictest66850irq/125-lan21:55:121
22210991817,1cyclictest66850irq/125-lan20:45:131
22210991817,1cyclictest66850irq/125-lan19:45:181
22210991817,1cyclictest66850irq/125-lan19:15:171
22210991817,1cyclictest66850irq/125-lan00:30:171
22210991817,1cyclictest66850irq/125-lan00:20:171
22210991817,1cyclictest66850irq/125-lan00:20:001
22210991817,1cyclictest66850irq/125-lan00:11:301
22210991817,1cyclictest66850irq/125-lan00:00:471
22214991717,0cyclictest430-21cat19:35:152
22210991717,0cyclictest66850irq/125-lan23:05:151
22210991717,0cyclictest66850irq/125-lan23:05:151
22210991717,0cyclictest66850irq/125-lan22:47:491
22210991717,0cyclictest66850irq/125-lan22:06:441
22210991717,0cyclictest66850irq/125-lan20:35:121
22210991716,1cyclictest66850irq/125-lan23:41:271
22210991716,1cyclictest66850irq/125-lan23:00:191
22210991716,1cyclictest66850irq/125-lan22:40:171
22210991716,1cyclictest66850irq/125-lan22:10:311
22210991716,1cyclictest66850irq/125-lan21:47:471
22210991716,1cyclictest66850irq/125-lan21:40:371
22210991716,1cyclictest66850irq/125-lan21:30:141
22210991716,1cyclictest66850irq/125-lan21:25:061
22210991716,1cyclictest66850irq/125-lan21:19:011
22210991716,1cyclictest66850irq/125-lan21:05:221
22210991716,1cyclictest66850irq/125-lan19:20:161
22210991716,1cyclictest66850irq/125-lan00:36:401
22210991716,1cyclictest66850irq/125-lan00:08:261
22210991616,0cyclictest66850irq/125-lan23:32:041
22210991616,0cyclictest66850irq/125-lan23:17:571
22210991615,1cyclictest66850irq/125-lan23:27:361
22210991615,1cyclictest66850irq/125-lan23:13:251
22210991615,1cyclictest66850irq/125-lan20:30:001
22210991615,1cyclictest66850irq/125-lan19:50:181
22210991615,1cyclictest66850irq/125-lan19:30:111
22210991615,1cyclictest66850irq/125-lan00:26:061
22210991515,0cyclictest66850irq/125-lan20:10:191
22210991515,0cyclictest66850irq/125-lan19:35:121
22210991515,0cyclictest66850irq/125-lan19:25:171
22210991514,1cyclictest66850irq/125-lan21:00:121
22210991514,1cyclictest66850irq/125-lan20:50:181
22210991514,1cyclictest66850irq/125-lan20:26:411
22210991514,1cyclictest66850irq/125-lan20:05:111
22210991514,1cyclictest66850irq/125-lan19:12:471
22210991414,0cyclictest66850irq/125-lan20:55:171
22210991313,0cyclictest66850irq/125-lan20:20:161
22210991312,1cyclictest66850irq/125-lan20:40:151
22210991312,1cyclictest66850irq/125-lan20:40:141
22214991212,0cyclictest771-21snmpd23:36:002
22214991212,0cyclictest771-21snmpd22:13:092
22214991212,0cyclictest771-21snmpd19:44:492
22214991212,0cyclictest422-21cat22:05:152
22214991210,2cyclictest749-21ntpd00:14:252
22210991212,0cyclictest66850irq/125-lan20:19:171
22210991212,0cyclictest66850irq/125-lan19:55:201
22214991111,0cyclictest8530-21cat00:25:172
22214991111,0cyclictest7777-21cat23:50:132
22214991111,0cyclictest771-21snmpd23:45:302
22214991111,0cyclictest771-21snmpd23:04:312
22214991111,0cyclictest771-21snmpd22:29:542
22214991111,0cyclictest771-21snmpd22:23:422
22214991111,0cyclictest771-21snmpd20:02:302
22214991111,0cyclictest771-21snmpd19:10:082
22214991111,0cyclictest17125-21cat21:50:142
22214991010,0cyclictest771-21snmpd23:12:252
22214991010,0cyclictest771-21snmpd23:05:202
22214991010,0cyclictest771-21snmpd23:05:202
22214991010,0cyclictest771-21snmpd21:28:362
22214991010,0cyclictest771-21snmpd20:52:212
22214991010,0cyclictest771-21snmpd20:34:192
22214991010,0cyclictest771-21snmpd20:24:172
22214991010,0cyclictest771-21snmpd19:25:302
22214991010,0cyclictest28479-21cat21:30:152
2221099109,1cyclictest66850irq/125-lan19:40:141
222189998,1cyclictest771-21snmpd23:41:243
222189998,1cyclictest771-21snmpd23:31:503
222189998,1cyclictest771-21snmpd00:36:113
222149998,1cyclictest771-21snmpd19:16:112
222149998,1cyclictest771-21snmpd00:02:272
222069998,1cyclictest771-21snmpd22:57:040
222189988,0cyclictest771-21snmpd19:26:383
222189988,0cyclictest769-21lldpd23:08:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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