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2026-04-15 - 22:39

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 Apr 15, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22145991919,0cyclictest65850irq/126-lan08:00:121
22145991918,1cyclictest65850irq/126-lan11:50:121
22145991818,0cyclictest65850irq/126-lan10:05:121
22145991818,0cyclictest65850irq/126-lan09:45:171
22145991818,0cyclictest65850irq/126-lan07:55:241
22145991818,0cyclictest65850irq/126-lan07:55:231
22145991818,0cyclictest65850irq/126-lan07:51:281
22145991817,1cyclictest65850irq/126-lan09:55:211
22145991817,1cyclictest65850irq/126-lan07:30:121
22145991717,0cyclictest65850irq/126-lan11:40:211
22145991717,0cyclictest65850irq/126-lan10:52:541
22145991717,0cyclictest65850irq/126-lan09:00:201
22145991717,0cyclictest65850irq/126-lan08:50:111
22145991716,1cyclictest65850irq/126-lan11:45:181
22145991716,1cyclictest65850irq/126-lan11:30:201
22145991716,1cyclictest65850irq/126-lan10:35:121
22145991716,1cyclictest65850irq/126-lan10:10:121
22145991716,1cyclictest65850irq/126-lan07:20:211
22145991616,0cyclictest65850irq/126-lan12:20:131
22145991616,0cyclictest65850irq/126-lan11:55:131
22145991615,1cyclictest65850irq/126-lan12:05:121
22145991615,1cyclictest65850irq/126-lan11:20:121
22145991615,1cyclictest65850irq/126-lan10:45:141
22145991615,1cyclictest65850irq/126-lan10:00:171
22145991615,1cyclictest65850irq/126-lan09:50:141
22145991615,1cyclictest65850irq/126-lan08:55:201
22145991615,1cyclictest65850irq/126-lan08:40:171
22145991515,0cyclictest65850irq/126-lan11:35:111
22145991515,0cyclictest65850irq/126-lan11:00:501
22145991515,0cyclictest65850irq/126-lan09:23:581
22145991515,0cyclictest65850irq/126-lan08:30:211
22145991515,0cyclictest65850irq/126-lan08:15:171
22145991515,0cyclictest65850irq/126-lan08:06:101
22145991515,0cyclictest65850irq/126-lan07:27:311
22145991514,1cyclictest65850irq/126-lan12:25:201
22145991514,1cyclictest65850irq/126-lan11:10:121
22145991514,1cyclictest65850irq/126-lan09:40:141
22145991514,1cyclictest65850irq/126-lan09:10:191
22145991514,1cyclictest65850irq/126-lan07:40:151
22145991414,0cyclictest65850irq/126-lan12:34:111
22145991414,0cyclictest65850irq/126-lan12:10:141
22145991414,0cyclictest65850irq/126-lan09:30:101
22145991414,0cyclictest65850irq/126-lan07:15:181
22145991413,1cyclictest65850irq/126-lan11:05:121
22145991413,1cyclictest65850irq/126-lan10:40:121
22145991413,1cyclictest65850irq/126-lan09:15:121
22145991413,1cyclictest65850irq/126-lan09:05:191
22145991413,1cyclictest65850irq/126-lan08:10:141
22145991413,1cyclictest65850irq/126-lan07:45:171
22145991313,0cyclictest65850irq/126-lan11:25:181
22145991312,1cyclictest65850irq/126-lan11:15:191
22145991312,1cyclictest65850irq/126-lan08:45:101
22145991312,1cyclictest65850irq/126-lan08:35:121
22145991312,1cyclictest65850irq/126-lan08:25:151
22145991212,0cyclictest65850irq/126-lan12:15:141
22145991212,0cyclictest65850irq/126-lan12:02:111
22145991212,0cyclictest65850irq/126-lan07:36:121
22145991212,0cyclictest65850irq/126-lan07:10:201
22145991211,1cyclictest65850irq/126-lan10:55:191
22145991211,1cyclictest65850irq/126-lan08:20:161
22145991111,0cyclictest65850irq/126-lan10:20:171
2214599109,1cyclictest65850irq/126-lan12:35:161
2214599109,1cyclictest65850irq/126-lan10:30:171
2214599109,1cyclictest65850irq/126-lan09:40:001
2214599109,1cyclictest65850irq/126-lan09:25:111
22145991010,0cyclictest65850irq/126-lan10:25:131
221539998,1cyclictest743-21snmpd09:29:473
221539998,1cyclictest743-21snmpd08:45:373
221499998,1cyclictest743-21snmpd11:36:182
221499998,1cyclictest743-21snmpd11:25:132
221499998,1cyclictest743-21snmpd09:44:312
221499998,1cyclictest743-21snmpd08:07:012
221499998,1cyclictest741-21lldpd07:14:282
221499996,3cyclictest743-21snmpd11:33:132
221459999,0cyclictest65850irq/126-lan10:15:111
221409998,1cyclictest743-21snmpd12:00:140
221409998,1cyclictest743-21snmpd10:30:140
221539988,0cyclictest743-21snmpd11:58:083
221539988,0cyclictest743-21snmpd10:14:533
221539988,0cyclictest743-21snmpd09:22:243
221539988,0cyclictest741-21lldpd10:19:193
221539988,0cyclictest741-21lldpd09:11:563
221539988,0cyclictest741-21lldpd09:01:163
221539988,0cyclictest741-21lldpd08:12:333
221539987,1cyclictest743-21snmpd12:32:123
221539987,1cyclictest743-21snmpd08:07:163
221539987,1cyclictest741-21lldpd10:28:583
221539987,1cyclictest5704-21gltestperf09:05:143
221539987,1cyclictest522-21avahi-daemon10:56:173
221539986,2cyclictest743-21snmpd07:48:563
221499988,0cyclictest743-21snmpd09:18:502
221499988,0cyclictest743-21snmpd08:54:022
221499988,0cyclictest743-21snmpd07:40:112
221499988,0cyclictest741-21lldpd12:29:492
221499988,0cyclictest741-21lldpd11:16:312
221499988,0cyclictest741-21lldpd10:58:342
221499988,0cyclictest741-21lldpd10:28:062
221499988,0cyclictest741-21lldpd09:06:012
221499987,1cyclictest743-21snmpd10:50:202
221499987,1cyclictest743-21snmpd10:02:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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