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2026-08-12 - 05:55

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 Tue Aug 11, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7040991918,1cyclictest65850irq/126-lan20:02:570
7040991918,1cyclictest65850irq/126-lan00:05:210
7040991818,0cyclictest65850irq/126-lan23:46:430
7040991818,0cyclictest65850irq/126-lan22:30:510
7040991818,0cyclictest65850irq/126-lan21:55:150
7040991818,0cyclictest65850irq/126-lan20:25:110
7040991817,1cyclictest65850irq/126-lan23:30:170
7040991817,1cyclictest65850irq/126-lan23:20:220
7040991817,1cyclictest65850irq/126-lan21:33:040
7040991817,1cyclictest65850irq/126-lan20:15:140
7040991717,0cyclictest65850irq/126-lan23:55:170
7040991717,0cyclictest65850irq/126-lan23:09:590
7040991717,0cyclictest65850irq/126-lan22:46:450
7040991717,0cyclictest65850irq/126-lan22:00:180
7040991717,0cyclictest65850irq/126-lan21:40:010
7040991717,0cyclictest65850irq/126-lan19:30:580
7040991717,0cyclictest65850irq/126-lan19:15:160
7040991717,0cyclictest65850irq/126-lan00:10:130
7040991717,0cyclictest65850irq/126-lan00:01:470
7040991716,1cyclictest65850irq/126-lan23:50:180
7040991716,1cyclictest65850irq/126-lan23:09:410
7040991716,1cyclictest65850irq/126-lan20:45:150
7040991716,1cyclictest65850irq/126-lan00:30:140
7040991616,0cyclictest65850irq/126-lan23:25:180
7040991616,0cyclictest65850irq/126-lan22:35:100
7040991616,0cyclictest65850irq/126-lan21:19:450
7040991616,0cyclictest65850irq/126-lan20:05:120
7040991616,0cyclictest65850irq/126-lan19:55:200
7040991616,0cyclictest65850irq/126-lan19:12:460
7040991615,1cyclictest65850irq/126-lan22:50:180
7040991615,1cyclictest65850irq/126-lan22:20:210
7040991615,1cyclictest65850irq/126-lan21:55:000
7040991615,1cyclictest65850irq/126-lan21:20:150
7040991615,1cyclictest65850irq/126-lan20:50:120
7040991615,1cyclictest65850irq/126-lan20:30:110
7040991615,1cyclictest65850irq/126-lan19:20:170
7040991515,0cyclictest65850irq/126-lan23:15:220
7040991515,0cyclictest65850irq/126-lan21:05:170
7040991515,0cyclictest65850irq/126-lan20:38:500
7040991514,1cyclictest65850irq/126-lan23:35:150
7040991514,1cyclictest65850irq/126-lan21:40:000
7040991514,1cyclictest65850irq/126-lan19:50:140
7040991414,0cyclictest65850irq/126-lan23:00:160
7040991414,0cyclictest65850irq/126-lan22:40:130
7040991414,0cyclictest65850irq/126-lan00:25:150
7040991414,0cyclictest65850irq/126-lan00:15:120
7040991413,1cyclictest65850irq/126-lan21:10:130
7040991313,0cyclictest65850irq/126-lan22:55:170
7040991313,0cyclictest65850irq/126-lan22:15:210
7040991313,0cyclictest65850irq/126-lan22:11:440
7040991312,1cyclictest65850irq/126-lan22:25:130
7040991312,1cyclictest65850irq/126-lan21:00:120
7040991312,1cyclictest65850irq/126-lan20:55:150
7040991212,0cyclictest65850irq/126-lan21:25:130
7040991212,0cyclictest65850irq/126-lan21:25:120
7040991212,0cyclictest65850irq/126-lan00:38:320
7040991211,1cyclictest65850irq/126-lan21:45:140
7040991211,1cyclictest65850irq/126-lan20:20:210
7040991211,1cyclictest65850irq/126-lan19:45:120
7040991211,1cyclictest65850irq/126-lan19:35:110
7040991111,0cyclictest65850irq/126-lan22:05:170
7040991111,0cyclictest65850irq/126-lan19:40:180
7040991110,1cyclictest65850irq/126-lan20:40:130
704099109,1cyclictest65850irq/126-lan23:40:160
704099109,1cyclictest65850irq/126-lan00:20:210
70559998,1cyclictest741-21lldpd00:38:533
70509998,1cyclictest741-21lldpd20:47:182
70459998,1cyclictest743-21snmpd23:02:461
70459998,1cyclictest743-21snmpd19:58:461
70459998,1cyclictest741-21lldpd20:23:241
70559988,0cyclictest743-21snmpd23:59:203
70559988,0cyclictest743-21snmpd23:46:413
70559988,0cyclictest743-21snmpd19:10:023
70559988,0cyclictest741-21lldpd23:17:523
70559988,0cyclictest741-21lldpd21:31:113
70559988,0cyclictest741-21lldpd19:44:553
70559988,0cyclictest741-21lldpd00:18:293
70559987,1cyclictest743-21snmpd21:53:373
70559987,1cyclictest743-21snmpd20:12:473
70559986,2cyclictest743-21snmpd23:35:533
70559986,2cyclictest743-21snmpd22:39:593
70509988,0cyclictest743-21snmpd22:17:082
70509988,0cyclictest743-21snmpd21:51:252
70509988,0cyclictest741-21lldpd22:21:502
70509988,0cyclictest741-21lldpd22:13:292
70509987,1cyclictest743-21snmpd22:59:032
70509987,1cyclictest522-21avahi-daemon22:52:542
70509987,1cyclictest522-21avahi-daemon19:15:222
70509986,2cyclictest743-21snmpd23:21:402
70509986,2cyclictest743-21snmpd20:54:262
70509986,2cyclictest743-21snmpd20:34:232
70509986,2cyclictest743-21snmpd20:05:242
70509986,2cyclictest28184-21cat23:55:122
70459988,0cyclictest741-21lldpd00:18:541
70459988,0cyclictest741-21lldpd00:11:011
70459987,1cyclictest743-21snmpd00:31:091
70459987,1cyclictest741-21lldpd22:11:501
70459987,1cyclictest741-21lldpd21:38:511
70459987,1cyclictest522-21avahi-daemon22:57:161
70459986,2cyclictest743-21snmpd23:31:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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