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2026-07-06 - 14:35

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 Jul 06, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18760991918,1cyclictest65850irq/126-lan22:10:120
18760991918,1cyclictest65850irq/126-lan22:05:000
18760991818,0cyclictest65850irq/126-lan22:23:150
18760991817,1cyclictest65850irq/126-lan23:30:200
18760991817,1cyclictest65850irq/126-lan22:00:130
18760991817,1cyclictest65850irq/126-lan20:50:000
18760991817,1cyclictest65850irq/126-lan20:00:150
18760991817,1cyclictest65850irq/126-lan19:15:200
18760991817,1cyclictest65850irq/126-lan00:00:140
18760991717,0cyclictest65850irq/126-lan23:55:130
18760991717,0cyclictest65850irq/126-lan23:40:180
18760991717,0cyclictest65850irq/126-lan21:55:210
18760991717,0cyclictest65850irq/126-lan00:35:140
18760991716,1cyclictest65850irq/126-lan23:35:180
18760991716,1cyclictest65850irq/126-lan21:10:120
18760991716,1cyclictest65850irq/126-lan20:20:180
18760991716,1cyclictest65850irq/126-lan00:10:130
18760991616,0cyclictest65850irq/126-lan20:44:120
18760991615,1cyclictest65850irq/126-lan23:50:160
18760991615,1cyclictest65850irq/126-lan22:25:140
18760991615,1cyclictest65850irq/126-lan21:50:150
18760991615,1cyclictest65850irq/126-lan20:55:120
18760991615,1cyclictest65850irq/126-lan20:45:160
18760991615,1cyclictest65850irq/126-lan19:47:530
18760991615,1cyclictest65850irq/126-lan19:40:170
18760991515,0cyclictest65850irq/126-lan23:15:130
18760991515,0cyclictest65850irq/126-lan22:15:120
18760991515,0cyclictest65850irq/126-lan21:20:210
18760991515,0cyclictest65850irq/126-lan21:15:140
18760991515,0cyclictest65850irq/126-lan19:50:150
18760991515,0cyclictest65850irq/126-lan00:23:250
18760991514,1cyclictest65850irq/126-lan23:10:130
18760991514,1cyclictest65850irq/126-lan21:05:140
18760991514,1cyclictest65850irq/126-lan20:30:180
18760991514,1cyclictest65850irq/126-lan19:35:180
18760991514,1cyclictest65850irq/126-lan19:25:000
18760991414,0cyclictest65850irq/126-lan22:45:210
18760991414,0cyclictest65850irq/126-lan21:40:520
18760991414,0cyclictest65850irq/126-lan21:00:190
18760991414,0cyclictest65850irq/126-lan20:05:150
18760991414,0cyclictest65850irq/126-lan00:05:160
18760991413,1cyclictest65850irq/126-lan23:25:130
18760991413,1cyclictest65850irq/126-lan21:25:120
18760991413,1cyclictest65850irq/126-lan20:15:210
18760991413,1cyclictest65850irq/126-lan20:10:170
18760991413,1cyclictest65850irq/126-lan00:15:180
18760991313,0cyclictest65850irq/126-lan23:00:120
18760991313,0cyclictest65850irq/126-lan21:30:120
18760991313,0cyclictest65850irq/126-lan19:55:170
18760991312,1cyclictest65850irq/126-lan23:45:200
18760991312,1cyclictest65850irq/126-lan23:20:190
18760991312,1cyclictest65850irq/126-lan22:30:220
18760991312,1cyclictest65850irq/126-lan21:35:120
18760991312,1cyclictest65850irq/126-lan19:10:110
18760991312,1cyclictest65850irq/126-lan00:25:200
18760991211,1cyclictest65850irq/126-lan23:05:170
18760991211,1cyclictest65850irq/126-lan21:45:180
18760991211,1cyclictest65850irq/126-lan19:30:180
18760991111,0cyclictest65850irq/126-lan19:25:160
18760991110,1cyclictest65850irq/126-lan20:35:130
18760991110,1cyclictest65850irq/126-lan20:35:120
1876099109,1cyclictest65850irq/126-lan22:50:180
1876099109,1cyclictest65850irq/126-lan20:25:120
187709998,1cyclictest743-21snmpd19:47:592
187709998,1cyclictest743-21snmpd00:22:182
187659998,1cyclictest743-21snmpd22:38:331
187659998,1cyclictest743-21snmpd21:18:241
187659998,1cyclictest743-21snmpd21:13:061
187659998,1cyclictest743-21snmpd19:42:481
187659998,1cyclictest743-21snmpd00:02:431
187659998,1cyclictest522-21avahi-daemon19:35:201
187749988,0cyclictest743-21snmpd23:49:473
187749988,0cyclictest743-21snmpd20:44:593
187749988,0cyclictest741-21lldpd23:42:373
187749988,0cyclictest741-21lldpd23:19:473
187749988,0cyclictest741-21lldpd21:43:163
187749987,1cyclictest743-21snmpd22:59:363
187749987,1cyclictest743-21snmpd22:10:233
187749987,1cyclictest743-21snmpd21:49:163
187749987,1cyclictest743-21snmpd20:17:223
187749987,1cyclictest743-21snmpd19:55:123
187749987,1cyclictest743-21snmpd00:01:143
187749986,2cyclictest743-21snmpd00:21:573
187749986,2cyclictest717-21ntpd22:35:223
187749986,2cyclictest717-21ntpd22:30:333
187749986,2cyclictest717-21ntpd22:21:443
187749986,2cyclictest717-21ntpd20:45:243
187749986,2cyclictest717-21ntpd20:29:313
187749986,2cyclictest717-21ntpd19:32:393
187749986,2cyclictest717-21ntpd00:29:233
187749986,2cyclictest6597-21cat23:55:143
187709988,0cyclictest741-21lldpd22:00:082
187709988,0cyclictest741-21lldpd21:50:172
187709988,0cyclictest741-21lldpd21:16:182
187709987,1cyclictest743-21snmpd21:32:342
187709987,1cyclictest743-21snmpd21:24:472
187709987,1cyclictest743-21snmpd20:20:572
187709986,2cyclictest743-21snmpd23:22:462
187709986,2cyclictest743-21snmpd23:16:432
187709986,2cyclictest743-21snmpd22:29:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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