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2025-08-21 - 16:14

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 highest latencies:
System rack8slot7s.osadl.org (updated Thu Aug 21, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19305992318,5cyclictest55650irq/125-lan11:42:340
19305992316,3cyclictest55650irq/125-lan09:05:380
19305992119,2cyclictest55650irq/125-lan09:02:580
19305992117,4cyclictest55650irq/125-lan11:50:190
19305992117,4cyclictest55650irq/125-lan10:46:510
19305992019,1cyclictest55650irq/125-lan12:31:140
19305992018,2cyclictest55650irq/125-lan09:51:480
19305992018,2cyclictest55650irq/125-lan08:41:090
19305992017,3cyclictest55650irq/125-lan09:22:010
19305992017,2cyclictest55650irq/125-lan10:30:020
19305992017,2cyclictest55650irq/125-lan09:41:310
19305992015,2cyclictest55650irq/125-lan09:38:440
19305991919,0cyclictest55650irq/125-lan07:27:320
19305991918,1cyclictest55650irq/125-lan12:22:190
19305991918,1cyclictest55650irq/125-lan12:01:000
19305991918,1cyclictest55650irq/125-lan11:28:240
19305991918,1cyclictest55650irq/125-lan11:18:380
19305991918,1cyclictest55650irq/125-lan10:57:170
19305991918,1cyclictest55650irq/125-lan10:40:490
19305991918,1cyclictest55650irq/125-lan10:09:400
19305991918,1cyclictest55650irq/125-lan10:04:550
19305991918,1cyclictest55650irq/125-lan09:30:580
19305991918,1cyclictest55650irq/125-lan09:27:450
19305991918,1cyclictest55650irq/125-lan08:53:370
19305991917,2cyclictest55650irq/125-lan12:15:130
19305991917,2cyclictest55650irq/125-lan08:10:250
19305991917,2cyclictest55650irq/125-lan07:49:320
19305991917,1cyclictest55650irq/125-lan12:12:240
19305991917,1cyclictest55650irq/125-lan12:05:550
19305991917,1cyclictest55650irq/125-lan11:30:470
19305991916,3cyclictest55650irq/125-lan11:10:300
19305991817,1cyclictest55650irq/125-lan12:28:500
19305991817,1cyclictest55650irq/125-lan11:36:420
19305991817,1cyclictest55650irq/125-lan11:20:140
19305991817,1cyclictest55650irq/125-lan11:05:270
19305991817,1cyclictest55650irq/125-lan11:01:470
19305991817,1cyclictest55650irq/125-lan10:51:210
19305991817,1cyclictest55650irq/125-lan10:37:290
19305991817,1cyclictest55650irq/125-lan10:27:270
19305991817,1cyclictest55650irq/125-lan10:20:450
19305991817,1cyclictest55650irq/125-lan10:10:350
19305991817,1cyclictest55650irq/125-lan09:55:320
19305991817,1cyclictest55650irq/125-lan09:46:470
19305991817,1cyclictest55650irq/125-lan09:10:070
19305991817,1cyclictest55650irq/125-lan08:59:310
19305991817,1cyclictest55650irq/125-lan08:05:390
19305991817,1cyclictest55650irq/125-lan07:55:240
19305991817,1cyclictest55650irq/125-lan07:30:190
19305991817,1cyclictest55650irq/125-lan07:16:130
19305991817,1cyclictest55650irq/125-lan07:14:260
19305991816,2cyclictest55650irq/125-lan11:55:210
19305991816,2cyclictest55650irq/125-lan11:47:550
19305991816,2cyclictest55650irq/125-lan10:16:470
19305991816,2cyclictest55650irq/125-lan08:25:280
19305991816,2cyclictest55650irq/125-lan08:24:130
19305991716,1cyclictest55650irq/125-lan12:35:010
19305991716,1cyclictest55650irq/125-lan09:16:080
19305991716,1cyclictest55650irq/125-lan08:37:370
19305991716,1cyclictest55650irq/125-lan08:00:140
19305991715,2cyclictest55650irq/125-lan08:46:330
19305991715,2cyclictest55650irq/125-lan08:30:300
19305991715,2cyclictest55650irq/125-lan07:38:010
19305991616,0cyclictest55650irq/125-lan07:20:260
19305991615,1cyclictest55650irq/125-lan07:51:300
19311991515,0cyclictest294-21hwrng12:33:501
19305991514,1cyclictest55650irq/125-lan08:15:010
19311991313,0cyclictest12134-21kworker/1:0+events11:36:011
19311991212,0cyclictest294-21hwrng08:37:181
19311991212,0cyclictest294-21hwrng07:32:461
19311991111,0cyclictest294-21hwrng11:49:481
19311991111,0cyclictest294-21hwrng11:41:371
1931199109,1cyclictest703-21snmpd10:57:481
1931199109,1cyclictest15096-21ntp_kernel_pll_08:20:171
1931199109,1cyclictest12074-21ntp_kernel_err10:40:161
19311991010,0cyclictest294-21hwrng11:25:131
19311991010,0cyclictest294-21hwrng10:34:021
19311991010,0cyclictest294-21hwrng09:52:031
19311991010,0cyclictest294-21hwrng09:11:051
193119999,0cyclictest294-21hwrng12:07:131
193119999,0cyclictest294-21hwrng11:54:561
193119998,1cyclictest703-21snmpd11:23:181
193119998,1cyclictest703-21snmpd11:09:271
193119998,1cyclictest703-21snmpd07:20:011
193119998,1cyclictest31663-21sh09:45:181
193119998,1cyclictest26296-21ntp_kernel_err08:50:181
193119996,3cyclictest703-21snmpd09:15:291
193119988,0cyclictest703-21snmpd12:02:101
193119988,0cyclictest703-21snmpd09:41:301
193119988,0cyclictest703-21snmpd09:00:111
193119988,0cyclictest703-21snmpd07:54:591
193119988,0cyclictest294-21hwrng12:22:341
193119988,0cyclictest294-21hwrng12:18:291
193119988,0cyclictest294-21hwrng12:10:171
193119988,0cyclictest294-21hwrng11:17:021
193119988,0cyclictest294-21hwrng11:11:551
193119988,0cyclictest294-21hwrng10:37:061
193119988,0cyclictest294-21hwrng10:18:401
193119988,0cyclictest294-21hwrng09:58:121
193119988,0cyclictest294-21hwrng09:30:321
193119988,0cyclictest294-21hwrng09:23:231
193119988,0cyclictest294-21hwrng08:45:281
193119988,0cyclictest294-21hwrng07:45:041
193119988,0cyclictest294-21hwrng07:12:181
193119987,1cyclictest709-21runrttasks10:05:221
193119987,1cyclictest703-21snmpd11:30:041
193119987,1cyclictest703-21snmpd10:04:181
193119987,1cyclictest423-21irqbalance12:35:291
193119986,2cyclictest703-21snmpd08:28:391
193119986,2cyclictest703-21snmpd08:14:201
193119986,2cyclictest703-21snmpd08:09:111
193119977,0cyclictest703-21snmpd07:35:001
193119977,0cyclictest294-21hwrng12:28:431
193119977,0cyclictest294-21hwrng11:04:451
193119977,0cyclictest294-21hwrng10:53:291
193119977,0cyclictest294-21hwrng10:11:301
193119977,0cyclictest294-21hwrng09:28:291
193119977,0cyclictest294-21hwrng09:07:001
193119977,0cyclictest294-21hwrng08:42:251
193119977,0cyclictest294-21hwrng07:27:391
193119976,1cyclictest703-21snmpd10:26:141
193119976,1cyclictest0-21swapper/107:55:221
193119975,2cyclictest703-21snmpd10:23:561
193119975,2cyclictest703-21snmpd07:16:161
193119975,2cyclictest20526-21cups-browsed09:35:261
193119966,0cyclictest294-21hwrng08:57:471
193119966,0cyclictest294-21hwrng08:17:501
193119965,1cyclictest18259-21cpuspeed_turbos08:30:141
193119965,1cyclictest16177-21fschecks_count10:45:121
193119964,2cyclictest31956-21ntpq07:40:201
193119963,3cyclictest7579-21ntpq08:00:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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