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2025-11-15 - 08:48

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 all highest latencies:
System rack8slot7s.osadl.org (updated Sat Nov 15, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25211992019,1cyclictest55650irq/125-lan00:01:140
25211991918,1cyclictest55650irq/125-lan23:56:210
25211991918,1cyclictest55650irq/125-lan23:40:140
25211991918,1cyclictest55650irq/125-lan23:37:340
25211991918,1cyclictest55650irq/125-lan23:31:170
25211991918,1cyclictest55650irq/125-lan23:20:150
25211991918,1cyclictest55650irq/125-lan22:55:450
25211991918,1cyclictest55650irq/125-lan22:46:310
25211991918,1cyclictest55650irq/125-lan22:08:010
25211991918,1cyclictest55650irq/125-lan21:46:570
25211991918,1cyclictest55650irq/125-lan21:38:340
25211991918,1cyclictest55650irq/125-lan21:34:390
25211991918,1cyclictest55650irq/125-lan21:25:560
25211991918,1cyclictest55650irq/125-lan21:15:220
25211991918,1cyclictest55650irq/125-lan21:10:340
25211991918,1cyclictest55650irq/125-lan20:18:460
25211991918,1cyclictest55650irq/125-lan19:48:140
25211991918,1cyclictest55650irq/125-lan00:29:440
25211991918,1cyclictest55650irq/125-lan00:23:110
25211991917,2cyclictest55650irq/125-lan22:22:100
25211991818,0cyclictest55650irq/125-lan23:53:500
25211991818,0cyclictest55650irq/125-lan23:18:180
25211991818,0cyclictest55650irq/125-lan22:31:040
25211991817,1cyclictest55650irq/125-lan23:46:240
25211991817,1cyclictest55650irq/125-lan23:28:380
25211991817,1cyclictest55650irq/125-lan23:13:190
25211991817,1cyclictest55650irq/125-lan23:07:140
25211991817,1cyclictest55650irq/125-lan23:01:510
25211991817,1cyclictest55650irq/125-lan22:50:090
25211991817,1cyclictest55650irq/125-lan22:42:170
25211991817,1cyclictest55650irq/125-lan22:37:210
25211991817,1cyclictest55650irq/125-lan22:27:040
25211991817,1cyclictest55650irq/125-lan22:15:030
25211991817,1cyclictest55650irq/125-lan22:11:020
25211991817,1cyclictest55650irq/125-lan21:55:160
25211991817,1cyclictest55650irq/125-lan21:22:500
25211991817,1cyclictest55650irq/125-lan20:30:170
25211991817,1cyclictest55650irq/125-lan20:12:190
25211991817,1cyclictest55650irq/125-lan19:36:350
25211991817,1cyclictest55650irq/125-lan00:38:170
25211991817,1cyclictest55650irq/125-lan00:30:510
25211991817,1cyclictest55650irq/125-lan00:15:400
25211991817,1cyclictest55650irq/125-lan00:10:550
25211991717,0cyclictest55650irq/125-lan22:00:060
25211991717,0cyclictest55650irq/125-lan19:42:580
25211991716,1cyclictest55650irq/125-lan21:51:060
25211991716,1cyclictest55650irq/125-lan21:40:410
25211991716,1cyclictest55650irq/125-lan21:04:180
25211991716,1cyclictest55650irq/125-lan20:00:150
25211991716,1cyclictest55650irq/125-lan19:56:300
25211991716,1cyclictest55650irq/125-lan19:30:190
25211991716,1cyclictest55650irq/125-lan19:20:200
25211991716,1cyclictest55650irq/125-lan19:17:440
25211991716,1cyclictest55650irq/125-lan00:08:180
25211991615,1cyclictest55650irq/125-lan20:55:520
25211991615,1cyclictest55650irq/125-lan20:45:220
25211991615,1cyclictest55650irq/125-lan20:39:250
25211991615,1cyclictest55650irq/125-lan19:29:390
25211991615,1cyclictest55650irq/125-lan19:13:330
25215991515,0cyclictest27364-21cat23:40:171
25211991515,0cyclictest55650irq/125-lan21:07:550
25211991514,1cyclictest55650irq/125-lan20:50:220
25211991514,1cyclictest55650irq/125-lan20:40:150
25211991514,1cyclictest55650irq/125-lan20:05:050
25211991413,1cyclictest55650irq/125-lan20:24:590
25211991413,1cyclictest55650irq/125-lan19:50:580
25211991313,0cyclictest294-21hwrng20:27:410
2521599107,2cyclictest703-21snmpd22:44:251
25215991010,0cyclictest294-21hwrng22:31:371
252159998,1cyclictest703-21snmpd23:12:441
252159998,1cyclictest703-21snmpd23:09:171
252159998,1cyclictest703-21snmpd22:35:491
252159998,1cyclictest703-21snmpd21:11:341
252159998,1cyclictest703-21snmpd20:59:021
252159998,1cyclictest703-21snmpd19:33:111
252159998,1cyclictest703-21snmpd00:21:131
252159998,1cyclictest2182-21ntp_offset23:15:191
252159996,2cyclictest703-21snmpd22:55:311
252159996,2cyclictest703-21snmpd20:50:261
252159996,2cyclictest703-21snmpd20:29:561
252159996,2cyclictest703-21snmpd19:49:481
252159996,2cyclictest703-21snmpd19:21:061
252159996,2cyclictest703-21snmpd00:36:531
252159995,3cyclictest14745-21ntpq21:50:181
252159988,0cyclictest703-21snmpd21:55:201
252159988,0cyclictest703-21snmpd21:16:011
252159988,0cyclictest703-21snmpd20:06:141
252159988,0cyclictest703-21snmpd19:56:341
252159988,0cyclictest703-21snmpd00:15:251
252159987,1cyclictest703-21snmpd23:23:291
252159987,1cyclictest703-21snmpd19:12:511
252159987,1cyclictest423-21irqbalance23:26:331
252159987,1cyclictest26287-21apt-key23:40:001
252159986,2cyclictest703-21snmpd22:05:171
252159986,2cyclictest703-21snmpd21:47:081
252159986,2cyclictest703-21snmpd21:30:401
252159986,2cyclictest703-21snmpd19:44:481
252159986,2cyclictest703-21snmpd19:35:181
252159986,2cyclictest703-21snmpd00:28:561
252159986,1cyclictest703-21snmpd22:22:541
252159986,1cyclictest703-21snmpd19:19:061
252159985,3cyclictest703-21snmpd20:44:301
252159985,2cyclictest703-21snmpd23:50:031
252159985,2cyclictest703-21snmpd21:27:401
252159984,4cyclictest4851-21sed22:45:171
252159977,0cyclictest703-21snmpd20:38:061
252159977,0cyclictest16896-21ntp_kernel_pll_21:20:221
252159976,1cyclictest703-21snmpd23:01:351
252159976,1cyclictest703-21snmpd21:43:101
252159976,1cyclictest4493-21gltestperf21:05:181
252159976,1cyclictest25206-21cyclictest20:00:211
252159976,1cyclictest17364-21ntp_kernel_err22:25:171
252159975,2cyclictest703-21snmpd23:30:381
252159975,2cyclictest703-21snmpd20:30:591
252159975,2cyclictest703-21snmpd20:20:401
252159975,2cyclictest681-21ntpd23:45:191
252159975,1cyclictest8500-21acpi19:50:121
252159974,2cyclictest703-21snmpd22:04:421
252159974,2cyclictest703-21snmpd21:01:031
252159974,2cyclictest703-21snmpd00:14:571
252159973,1cyclictest191rcu_preempt00:00:161
252159966,0cyclictest294-21hwrng22:19:181
252159965,1cyclictest703-21snmpd19:25:561
252159965,1cyclictest25206-21cyclictest22:50:161
252159965,1cyclictest16425-21cpuspeed_turbos20:10:111
252159965,1cyclictest10065-21fschecks_time23:55:141
252159965,1cyclictest0-21swapper/121:35:241
252159965,1cyclictest0-21swapper/100:05:121
252159964,2cyclictest311ktimers/122:10:171
252159963,3cyclictest18897-21sh20:15:171
252159955,0cyclictest12690-21fschecks_count00:30:141
252159954,1cyclictest0-21swapper/120:45:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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