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2025-12-11 - 04:39

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 Thu Dec 11, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25763991918,1cyclictest66850irq/125-lan23:09:193
25763991918,1cyclictest66850irq/125-lan21:31:413
25763991918,1cyclictest66850irq/125-lan21:25:143
25763991918,1cyclictest66850irq/125-lan00:29:133
25763991918,1cyclictest66850irq/125-lan00:20:203
25763991818,0cyclictest66850irq/125-lan23:59:043
25763991818,0cyclictest66850irq/125-lan23:49:213
25763991818,0cyclictest66850irq/125-lan23:40:123
25763991818,0cyclictest66850irq/125-lan23:23:503
25763991818,0cyclictest66850irq/125-lan23:14:553
25763991818,0cyclictest66850irq/125-lan22:32:123
25763991818,0cyclictest66850irq/125-lan21:57:333
25763991818,0cyclictest66850irq/125-lan21:15:203
25763991818,0cyclictest66850irq/125-lan21:13:013
25763991817,1cyclictest66850irq/125-lan23:39:253
25763991817,1cyclictest66850irq/125-lan23:30:113
25763991817,1cyclictest66850irq/125-lan22:35:183
25763991817,1cyclictest66850irq/125-lan22:27:333
25763991817,1cyclictest66850irq/125-lan22:10:223
25763991817,1cyclictest66850irq/125-lan21:39:593
25763991817,1cyclictest66850irq/125-lan21:20:133
25763991817,1cyclictest66850irq/125-lan19:25:213
25763991817,1cyclictest66850irq/125-lan00:33:493
25763991717,0cyclictest66850irq/125-lan23:50:113
25763991717,0cyclictest66850irq/125-lan23:15:303
25763991717,0cyclictest66850irq/125-lan22:15:103
25763991717,0cyclictest66850irq/125-lan21:53:333
25763991717,0cyclictest66850irq/125-lan20:30:123
25763991717,0cyclictest66850irq/125-lan00:36:053
25763991717,0cyclictest66850irq/125-lan00:11:333
25763991717,0cyclictest66850irq/125-lan00:07:043
25763991716,1cyclictest66850irq/125-lan23:27:283
25763991716,1cyclictest66850irq/125-lan23:01:003
25763991716,1cyclictest66850irq/125-lan22:50:143
25763991716,1cyclictest66850irq/125-lan22:40:143
25763991716,1cyclictest66850irq/125-lan22:02:273
25763991716,1cyclictest66850irq/125-lan21:40:253
25763991716,1cyclictest66850irq/125-lan21:06:213
25763991716,1cyclictest66850irq/125-lan20:45:173
25763991716,1cyclictest66850irq/125-lan00:15:193
25763991716,1cyclictest66850irq/125-lan00:00:143
25763991616,0cyclictest66850irq/125-lan22:56:163
25763991615,1cyclictest66850irq/125-lan22:46:153
25763991615,1cyclictest66850irq/125-lan22:46:153
25763991615,1cyclictest66850irq/125-lan22:20:203
25763991615,1cyclictest66850irq/125-lan22:05:143
25763991615,1cyclictest66850irq/125-lan21:45:003
25763991615,1cyclictest66850irq/125-lan21:00:193
25763991615,1cyclictest66850irq/125-lan20:16:053
25763991615,1cyclictest66850irq/125-lan20:10:153
25748991616,0cyclictest771-21snmpd22:48:450
25748991616,0cyclictest771-21snmpd22:48:440
25763991515,0cyclictest66850irq/125-lan19:59:243
25763991515,0cyclictest66850irq/125-lan19:39:213
25763991515,0cyclictest66850irq/125-lan19:21:193
25763991514,1cyclictest66850irq/125-lan19:40:193
25763991413,1cyclictest66850irq/125-lan20:35:153
25763991413,1cyclictest66850irq/125-lan19:30:203
25763991413,1cyclictest66850irq/125-lan19:10:203
25748991414,0cyclictest771-21snmpd23:31:160
25763991313,0cyclictest66850irq/125-lan20:02:213
25763991313,0cyclictest66850irq/125-lan19:50:163
25763991313,0cyclictest66850irq/125-lan19:45:583
25763991312,1cyclictest66850irq/125-lan20:05:163
25763991312,1cyclictest66850irq/125-lan19:16:213
25748991313,0cyclictest771-21snmpd21:48:280
25763991212,0cyclictest66850irq/125-lan20:55:213
25763991212,0cyclictest66850irq/125-lan20:40:203
25763991212,0cyclictest66850irq/125-lan20:26:083
25763991212,0cyclictest66850irq/125-lan20:22:093
25748991212,0cyclictest771-21snmpd23:07:030
25748991212,0cyclictest771-21snmpd22:07:070
25748991212,0cyclictest771-21snmpd21:16:480
25748991212,0cyclictest771-21snmpd20:23:540
25748991212,0cyclictest771-21snmpd20:17:120
25748991212,0cyclictest771-21snmpd19:31:260
25748991212,0cyclictest771-21snmpd19:24:380
25748991212,0cyclictest771-21snmpd00:07:050
25748991111,0cyclictest771-21snmpd22:53:360
2574899105,0cyclictest9813-21diskmemload21:23:190
257639998,1cyclictest66850irq/125-lan20:50:223
257599998,1cyclictest771-21snmpd19:17:222
257599998,1cyclictest769-21lldpd21:13:272
257599998,1cyclictest586-21rs:main2
257489999,0cyclictest771-21snmpd23:21:070
257489996,3cyclictest771-21snmpd00:22:390
257599988,0cyclictest771-21snmpd20:05:512
257599988,0cyclictest771-21snmpd19:55:032
257599988,0cyclictest771-21snmpd19:38:442
257599988,0cyclictest771-21snmpd00:06:502
257599988,0cyclictest769-21lldpd23:43:512
257599988,0cyclictest769-21lldpd21:06:342
257599988,0cyclictest769-21lldpd20:10:402
257599987,1cyclictest771-21snmpd22:25:512
257599987,1cyclictest771-21snmpd19:54:052
257599987,1cyclictest771-21snmpd00:27:282
257599987,1cyclictest769-21lldpd23:24:432
257599987,1cyclictest524-21avahi-daemon22:38:362
257599987,1cyclictest524-21avahi-daemon22:10:212
257599987,1cyclictest517-21systemd-resolve22:34:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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