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2025-11-25 - 06:30

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #7

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 792 highest latencies:
System rack8slot7s.osadl.org (updated Tue Nov 25, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14132992418,3cyclictest55650irq/125-lan21:55:030
14132992018,2cyclictest55650irq/125-lan22:38:270
14132992018,2cyclictest55650irq/125-lan22:31:430
14132992018,2cyclictest55650irq/125-lan22:25:460
14132992018,2cyclictest55650irq/125-lan22:20:110
14132992018,2cyclictest55650irq/125-lan00:20:470
14132992016,3cyclictest55650irq/125-lan21:44:330
14132991918,1cyclictest55650irq/125-lan23:55:520
14132991918,1cyclictest55650irq/125-lan23:45:150
14132991918,1cyclictest55650irq/125-lan23:30:560
14132991918,1cyclictest55650irq/125-lan22:15:300
14132991918,1cyclictest55650irq/125-lan22:10:590
14132991918,1cyclictest55650irq/125-lan21:36:120
14132991918,1cyclictest55650irq/125-lan19:14:030
14132991918,1cyclictest55650irq/125-lan00:03:200
14132991918,0cyclictest55650irq/125-lan00:25:410
14132991917,2cyclictest55650irq/125-lan23:42:100
14132991917,2cyclictest55650irq/125-lan23:26:400
14132991917,2cyclictest55650irq/125-lan23:24:150
14132991917,2cyclictest55650irq/125-lan23:01:370
14132991917,2cyclictest55650irq/125-lan22:58:400
14132991917,2cyclictest55650irq/125-lan22:07:220
14132991917,2cyclictest55650irq/125-lan22:01:310
14132991917,2cyclictest55650irq/125-lan21:49:250
14132991917,2cyclictest55650irq/125-lan00:11:150
14132991917,1cyclictest55650irq/125-lan21:29:260
14132991916,3cyclictest55650irq/125-lan23:15:130
14132991916,2cyclictest55650irq/125-lan22:40:040
14132991916,2cyclictest55650irq/125-lan19:44:290
14132991818,0cyclictest55650irq/125-lan21:12:440
14132991818,0cyclictest55650irq/125-lan20:47:360
14132991818,0cyclictest55650irq/125-lan20:17:120
14132991818,0cyclictest55650irq/125-lan00:17:130
14132991817,1cyclictest55650irq/125-lan23:52:050
14132991817,1cyclictest55650irq/125-lan22:50:190
14132991817,1cyclictest55650irq/125-lan21:30:160
14132991817,1cyclictest55650irq/125-lan19:15:180
14132991817,1cyclictest55650irq/125-lan00:34:020
14132991817,1cyclictest55650irq/125-lan00:09:140
14132991816,2cyclictest55650irq/125-lan22:45:420
14132991816,2cyclictest55650irq/125-lan21:51:000
14132991816,2cyclictest55650irq/125-lan21:20:270
14132991816,2cyclictest55650irq/125-lan20:43:420
14132991816,2cyclictest55650irq/125-lan20:32:520
14132991816,2cyclictest55650irq/125-lan20:29:440
14132991816,2cyclictest55650irq/125-lan20:06:230
14132991816,2cyclictest55650irq/125-lan00:36:300
14132991815,3cyclictest55650irq/125-lan23:35:200
14132991815,3cyclictest55650irq/125-lan21:05:190
14132991815,3cyclictest55650irq/125-lan20:35:170
14132991815,1cyclictest55650irq/125-lan19:32:260
14132991717,0cyclictest55650irq/125-lan21:15:180
14132991717,0cyclictest55650irq/125-lan20:53:420
14132991716,1cyclictest55650irq/125-lan20:20:190
14132991716,1cyclictest55650irq/125-lan19:55:210
14132991716,1cyclictest55650irq/125-lan19:27:120
14132991715,2cyclictest55650irq/125-lan20:10:000
14132991714,1cyclictest55650irq/125-lan21:00:210
14132991714,1cyclictest55650irq/125-lan19:35:210
14132991616,0cyclictest55650irq/125-lan20:57:530
14132991615,1cyclictest55650irq/125-lan19:54:080
14132991413,1cyclictest55650irq/125-lan19:45:150
14132991413,1cyclictest55650irq/125-lan19:20:200
14136991313,0cyclictest294-21hwrng21:31:411
14136991311,2cyclictest703-21snmpd23:58:481
14132991312,1cyclictest55650irq/125-lan20:00:100
14136991212,0cyclictest294-21hwrng21:15:181
14136991212,0cyclictest294-21hwrng00:01:111
14136991111,0cyclictest294-21hwrng00:12:281
1413699109,1cyclictest681-21ntpd23:00:191
1413699108,1cyclictest703-21snmpd22:32:071
1413699108,1cyclictest703-21snmpd22:01:381
1413699106,3cyclictest703-21snmpd22:25:581
1413699106,3cyclictest703-21snmpd20:31:181
141369998,1cyclictest703-21snmpd22:06:261
141369998,1cyclictest703-21snmpd21:46:211
141369998,1cyclictest703-21snmpd20:43:381
141369998,1cyclictest703-21snmpd20:25:211
141369998,1cyclictest703-21snmpd00:19:341
141369998,1cyclictest703-21snmpd00:07:401
141369998,1cyclictest30102-21ntp_kernel_pll_22:15:181
141369998,1cyclictest24098-21ntp_kernel_err23:15:171
141369998,1cyclictest22933-21ntp_kernel_pll_22:40:171
141369998,0cyclictest703-21snmpd23:29:241
141369997,1cyclictest703-21snmpd20:04:221
141369996,3cyclictest703-21snmpd22:51:501
141369996,2cyclictest703-21snmpd23:51:191
141369996,2cyclictest703-21snmpd22:10:031
141369996,2cyclictest703-21snmpd20:55:221
141369996,2cyclictest703-21snmpd20:05:521
141369996,2cyclictest703-21snmpd19:36:431
141369996,2cyclictest703-21snmpd19:18:531
141369995,3cyclictest703-21snmpd21:05:101
141369995,3cyclictest703-21snmpd00:23:461
141369988,0cyclictest703-21snmpd23:06:261
141369988,0cyclictest703-21snmpd21:25:221
141369988,0cyclictest703-21snmpd19:31:471
141369988,0cyclictest294-21hwrng19:21:391
141369987,1cyclictest703-21snmpd23:34:511
141369987,1cyclictest703-21snmpd22:46:521
141369987,1cyclictest703-21snmpd21:51:091
141369987,1cyclictest703-21snmpd21:23:551
141369987,1cyclictest703-21snmpd21:01:191
141369987,1cyclictest437-21NetworkManager19:10:191
141369986,2cyclictest703-21snmpd19:47:491
141369985,3cyclictest703-21snmpd20:15:261
141369985,2cyclictest703-21snmpd23:36:241
141369985,2cyclictest703-21snmpd22:38:181
141369985,2cyclictest703-21snmpd22:21:131
141369985,2cyclictest703-21snmpd19:25:111
141369985,2cyclictest703-21snmpd00:36:341
141369977,0cyclictest294-21hwrng19:41:071
141369976,1cyclictest703-21snmpd21:43:271
141369976,1cyclictest703-21snmpd19:50:481
141369976,1cyclictest681-21ntpd23:45:171
141369974,3cyclictest703-21snmpd20:10:131
141369974,2cyclictest703-21snmpd23:21:351
141369965,1cyclictest703-21snmpd23:44:301
141369965,1cyclictest703-21snmpd00:34:411
141369965,1cyclictest22180-21cat21:35:161
141369965,1cyclictest18962-21cat23:10:141
141369964,2cyclictest311ktimers/120:20:211
141369964,2cyclictest29199-21ntpq21:10:191
141369964,2cyclictest10133-21awk21:55:171
141369963,2cyclictest703-21snmpd20:46:421
141369963,2cyclictest703-21snmpd20:39:411
141369954,1cyclictest26921-21gltestperf00:25:141
141369951,2cyclictest20878-21apt-get20:50:111
141369950,4cyclictest32005-21ntpq19:55:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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