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2026-05-31 - 06:55

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 Sun May 31, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6527991918,1cyclictest65850irq/126-lan23:11:161
6527991818,0cyclictest65850irq/126-lan00:20:321
6527991817,1cyclictest65850irq/126-lan23:55:161
6527991817,1cyclictest65850irq/126-lan20:25:121
6527991817,1cyclictest65850irq/126-lan00:17:151
6527991817,1cyclictest65850irq/126-lan00:05:121
6527991717,0cyclictest65850irq/126-lan23:30:111
6527991717,0cyclictest65850irq/126-lan21:15:141
6527991717,0cyclictest65850irq/126-lan21:04:321
6527991717,0cyclictest65850irq/126-lan19:45:111
6527991716,1cyclictest65850irq/126-lan23:35:121
6527991716,1cyclictest65850irq/126-lan22:35:131
6527991716,1cyclictest65850irq/126-lan21:05:151
6527991716,1cyclictest65850irq/126-lan20:55:121
6527991716,1cyclictest65850irq/126-lan19:41:291
6527991716,1cyclictest65850irq/126-lan00:10:201
6527991616,0cyclictest65850irq/126-lan22:25:131
6527991616,0cyclictest65850irq/126-lan22:05:121
6527991616,0cyclictest65850irq/126-lan21:54:431
6527991616,0cyclictest65850irq/126-lan21:23:321
6527991616,0cyclictest65850irq/126-lan19:30:241
6527991615,1cyclictest65850irq/126-lan22:45:151
6527991615,1cyclictest65850irq/126-lan22:40:141
6527991615,1cyclictest65850irq/126-lan22:10:131
6527991615,1cyclictest65850irq/126-lan22:00:171
6527991615,1cyclictest65850irq/126-lan21:10:161
6527991615,1cyclictest65850irq/126-lan20:49:391
6527991615,1cyclictest65850irq/126-lan20:20:001
6527991615,1cyclictest65850irq/126-lan20:05:141
6527991615,1cyclictest65850irq/126-lan19:20:111
6527991615,1cyclictest65850irq/126-lan19:10:141
6527991515,0cyclictest65850irq/126-lan20:01:321
6527991515,0cyclictest65850irq/126-lan19:25:131
6527991514,1cyclictest65850irq/126-lan23:15:211
6527991514,1cyclictest65850irq/126-lan23:00:161
6527991514,1cyclictest65850irq/126-lan22:30:161
6527991514,1cyclictest65850irq/126-lan20:52:241
6527991513,1cyclictest65850irq/126-lan23:05:171
6527991414,0cyclictest65850irq/126-lan22:15:161
6527991414,0cyclictest65850irq/126-lan21:55:131
6527991414,0cyclictest65850irq/126-lan21:47:251
6527991413,1cyclictest65850irq/126-lan23:45:211
6527991413,1cyclictest65850irq/126-lan23:25:151
6527991413,1cyclictest65850irq/126-lan21:30:111
6527991413,1cyclictest65850irq/126-lan20:40:001
6527991413,1cyclictest65850irq/126-lan19:50:171
6527991413,1cyclictest65850irq/126-lan00:25:161
6527991313,0cyclictest65850irq/126-lan23:42:481
6527991313,0cyclictest65850irq/126-lan19:36:261
6527991313,0cyclictest65850irq/126-lan00:33:411
6527991313,0cyclictest65850irq/126-lan00:00:141
6527991312,1cyclictest65850irq/126-lan21:40:181
6527991312,1cyclictest65850irq/126-lan20:30:121
6527991312,1cyclictest65850irq/126-lan20:20:111
6527991212,0cyclictest65850irq/126-lan23:22:271
6527991212,0cyclictest65850irq/126-lan21:26:321
6527991211,1cyclictest65850irq/126-lan23:50:131
6527991211,1cyclictest65850irq/126-lan22:55:121
6527991111,0cyclictest65850irq/126-lan19:55:121
6527991110,1cyclictest65850irq/126-lan22:20:191
652799109,1cyclictest65850irq/126-lan21:35:201
652799109,1cyclictest65850irq/126-lan00:35:121
6527991010,0cyclictest65850irq/126-lan22:53:331
65369998,1cyclictest741-21lldpd22:43:093
65319998,1cyclictest743-21snmpd21:50:052
65319998,1cyclictest743-21snmpd19:42:002
65319996,3cyclictest743-21snmpd20:21:382
65279998,1cyclictest743-21snmpd20:36:451
65279998,1cyclictest65850irq/126-lan20:10:321
65279998,1cyclictest65850irq/126-lan19:15:191
65229998,1cyclictest743-21snmpd23:43:270
65229998,1cyclictest743-21snmpd22:52:430
65229998,1cyclictest743-21snmpd22:44:580
65229998,1cyclictest743-21snmpd19:46:460
65229998,1cyclictest743-21snmpd00:28:130
65229998,1cyclictest741-21lldpd21:34:450
65229998,1cyclictest741-21lldpd20:26:340
65369988,0cyclictest743-21snmpd21:09:523
65369988,0cyclictest743-21snmpd20:15:533
65369988,0cyclictest741-21lldpd22:52:503
65369987,1cyclictest743-21snmpd20:33:323
65369987,1cyclictest743-21snmpd20:24:203
65369987,1cyclictest743-21snmpd19:15:533
65319988,0cyclictest743-21snmpd21:16:312
65319988,0cyclictest743-21snmpd19:20:242
65319988,0cyclictest743-21snmpd00:25:282
65319988,0cyclictest741-21lldpd21:35:292
65319988,0cyclictest741-21lldpd19:53:092
65319988,0cyclictest741-21lldpd19:17:212
65319987,1cyclictest743-21snmpd00:20:372
65319987,1cyclictest743-21snmpd00:02:102
65319986,2cyclictest743-21snmpd21:30:402
65319985,3cyclictest743-21snmpd20:41:172
65229988,0cyclictest743-21snmpd22:45:020
65229988,0cyclictest743-21snmpd22:08:560
65229988,0cyclictest743-21snmpd21:50:530
65229988,0cyclictest743-21snmpd21:17:220
65229988,0cyclictest741-21lldpd23:55:590
65229988,0cyclictest741-21lldpd21:35:150
65229987,1cyclictest743-21snmpd22:33:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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