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2026-05-24 - 19:38

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 Sun May 24, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3952991817,1cyclictest65850irq/126-lan10:45:151
3952991817,1cyclictest65850irq/126-lan10:10:111
3952991817,1cyclictest65850irq/126-lan09:20:121
3952991817,1cyclictest65850irq/126-lan08:46:161
3952991717,0cyclictest65850irq/126-lan12:08:371
3952991717,0cyclictest65850irq/126-lan10:35:141
3952991717,0cyclictest65850irq/126-lan08:25:151
3952991717,0cyclictest65850irq/126-lan08:15:201
3952991716,1cyclictest65850irq/126-lan12:00:201
3952991716,1cyclictest65850irq/126-lan11:25:181
3952991716,1cyclictest65850irq/126-lan11:20:161
3952991716,1cyclictest65850irq/126-lan10:50:131
3952991716,1cyclictest65850irq/126-lan09:05:211
3952991716,1cyclictest65850irq/126-lan08:05:181
3952991715,1cyclictest65850irq/126-lan11:40:111
3952991616,0cyclictest65850irq/126-lan11:00:171
3952991616,0cyclictest65850irq/126-lan09:45:431
3952991616,0cyclictest65850irq/126-lan09:32:161
3952991615,1cyclictest65850irq/126-lan11:55:121
3952991615,1cyclictest65850irq/126-lan11:10:201
3952991615,1cyclictest65850irq/126-lan10:00:131
3952991615,1cyclictest65850irq/126-lan08:40:161
3952991615,1cyclictest65850irq/126-lan08:30:131
3952991615,1cyclictest65850irq/126-lan07:50:141
3952991615,1cyclictest65850irq/126-lan07:30:141
3952991615,1cyclictest65850irq/126-lan07:20:181
3952991515,0cyclictest65850irq/126-lan10:59:161
3952991515,0cyclictest65850irq/126-lan09:35:211
3952991515,0cyclictest65850irq/126-lan08:20:141
3952991515,0cyclictest65850irq/126-lan08:00:191
3952991515,0cyclictest65850irq/126-lan07:29:231
3952991514,1cyclictest65850irq/126-lan12:30:161
3952991514,1cyclictest65850irq/126-lan10:40:171
3952991514,1cyclictest65850irq/126-lan08:55:181
3952991514,1cyclictest65850irq/126-lan07:40:131
3952991414,0cyclictest65850irq/126-lan12:13:161
3952991414,0cyclictest65850irq/126-lan11:35:111
3952991414,0cyclictest65850irq/126-lan11:15:151
3952991414,0cyclictest65850irq/126-lan10:15:161
3952991414,0cyclictest65850irq/126-lan09:58:021
3952991414,0cyclictest65850irq/126-lan09:50:171
3952991313,0cyclictest65850irq/126-lan11:31:151
3952991313,0cyclictest65850irq/126-lan10:29:161
3952991313,0cyclictest65850irq/126-lan10:20:171
3952991313,0cyclictest65850irq/126-lan09:10:131
3952991313,0cyclictest65850irq/126-lan07:39:411
3952991312,1cyclictest65850irq/126-lan11:05:221
3952991312,1cyclictest65850irq/126-lan09:40:171
3952991212,0cyclictest65850irq/126-lan12:35:331
3952991212,0cyclictest65850irq/126-lan12:25:201
3952991212,0cyclictest65850irq/126-lan12:20:161
3952991212,0cyclictest65850irq/126-lan09:15:181
3952991212,0cyclictest65850irq/126-lan09:03:151
3952991212,0cyclictest65850irq/126-lan08:10:191
3952991211,1cyclictest65850irq/126-lan07:14:181
3945991212,0cyclictest743-21snmpd11:29:410
3952991111,0cyclictest65850irq/126-lan11:51:161
3952991111,0cyclictest65850irq/126-lan08:38:161
3952991111,0cyclictest65850irq/126-lan07:55:131
3952991111,0cyclictest65850irq/126-lan07:45:181
3952991110,1cyclictest65850irq/126-lan11:50:001
3952991110,1cyclictest65850irq/126-lan10:05:131
3952991110,1cyclictest65850irq/126-lan09:25:131
3952991110,1cyclictest65850irq/126-lan07:20:001
3945991111,0cyclictest743-21snmpd10:05:180
3952991010,0cyclictest65850irq/126-lan10:32:161
3952991010,0cyclictest65850irq/126-lan08:50:141
39629998,1cyclictest743-21snmpd09:11:473
39579998,1cyclictest743-21snmpd12:05:402
39579998,1cyclictest743-21snmpd09:47:052
39579998,1cyclictest743-21snmpd08:33:152
39579998,1cyclictest741-21lldpd12:27:112
39579998,1cyclictest741-21lldpd11:11:122
39459999,0cyclictest743-21snmpd12:13:430
39459999,0cyclictest743-21snmpd10:42:380
39459998,1cyclictest743-21snmpd10:59:190
39459998,1cyclictest743-21snmpd10:22:540
39459998,1cyclictest743-21snmpd08:52:230
39459998,1cyclictest743-21snmpd08:33:120
39459998,1cyclictest743-21snmpd07:43:030
39459998,1cyclictest741-21lldpd12:26:510
39459998,1cyclictest741-21lldpd12:06:110
39459998,1cyclictest741-21lldpd09:10:340
39459998,1cyclictest741-21lldpd08:57:260
39629988,0cyclictest743-21snmpd12:39:083
39629988,0cyclictest743-21snmpd07:29:283
39629988,0cyclictest741-21lldpd12:24:313
39629988,0cyclictest741-21lldpd12:06:333
39629988,0cyclictest741-21lldpd11:36:323
39629987,1cyclictest743-21snmpd10:57:023
39629987,1cyclictest743-21snmpd09:55:373
39629986,2cyclictest743-21snmpd10:25:553
39629986,2cyclictest743-21snmpd07:23:533
39629984,2cyclictest0-21swapper/308:40:143
39579988,0cyclictest743-21snmpd10:23:102
39579988,0cyclictest743-21snmpd10:19:282
39579988,0cyclictest741-21lldpd11:30:182
39579988,0cyclictest741-21lldpd08:00:232
39579987,1cyclictest743-21snmpd11:42:242
39579987,1cyclictest743-21snmpd08:15:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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