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2025-12-01 - 12:10

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 376 highest latencies:
System rack8slot7s.osadl.org (updated Mon Dec 01, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7756991918,1cyclictest55650irq/125-lan23:51:390
7756991918,1cyclictest55650irq/125-lan23:45:340
7756991918,1cyclictest55650irq/125-lan23:44:040
7756991918,1cyclictest55650irq/125-lan23:30:000
7756991918,1cyclictest55650irq/125-lan23:17:220
7756991918,1cyclictest55650irq/125-lan23:11:010
7756991918,1cyclictest55650irq/125-lan22:43:420
7756991918,1cyclictest55650irq/125-lan22:33:430
7756991918,1cyclictest55650irq/125-lan22:20:010
7756991918,1cyclictest55650irq/125-lan22:15:170
7756991918,1cyclictest55650irq/125-lan22:12:460
7756991918,1cyclictest55650irq/125-lan21:45:140
7756991918,1cyclictest55650irq/125-lan21:26:150
7756991918,1cyclictest55650irq/125-lan00:30:010
7756991918,1cyclictest55650irq/125-lan00:21:040
7756991918,1cyclictest55650irq/125-lan00:00:080
7756991917,2cyclictest55650irq/125-lan22:55:590
7756991917,2cyclictest55650irq/125-lan00:15:150
7756991818,0cyclictest55650irq/125-lan23:35:010
7756991818,0cyclictest55650irq/125-lan23:21:440
7756991818,0cyclictest55650irq/125-lan21:37:290
7756991818,0cyclictest55650irq/125-lan21:12:480
7756991817,1cyclictest55650irq/125-lan23:55:580
7756991817,1cyclictest55650irq/125-lan23:26:530
7756991817,1cyclictest55650irq/125-lan23:05:350
7756991817,1cyclictest55650irq/125-lan23:03:500
7756991817,1cyclictest55650irq/125-lan22:51:550
7756991817,1cyclictest55650irq/125-lan22:45:190
7756991817,1cyclictest55650irq/125-lan22:25:250
7756991817,1cyclictest55650irq/125-lan22:06:570
7756991817,1cyclictest55650irq/125-lan22:00:100
7756991817,1cyclictest55650irq/125-lan21:55:020
7756991817,1cyclictest55650irq/125-lan21:50:130
7756991817,1cyclictest55650irq/125-lan21:40:030
7756991817,1cyclictest55650irq/125-lan21:30:170
7756991817,1cyclictest55650irq/125-lan21:20:170
7756991817,1cyclictest55650irq/125-lan21:16:400
7756991817,1cyclictest55650irq/125-lan20:13:540
7756991817,1cyclictest55650irq/125-lan20:07:400
7756991817,1cyclictest55650irq/125-lan19:52:200
7756991817,1cyclictest55650irq/125-lan19:34:040
7756991817,1cyclictest55650irq/125-lan19:15:140
7756991817,1cyclictest55650irq/125-lan19:11:070
7756991817,1cyclictest55650irq/125-lan00:35:420
7756991817,1cyclictest55650irq/125-lan00:26:060
7756991817,1cyclictest55650irq/125-lan00:10:120
7756991817,1cyclictest55650irq/125-lan00:06:190
7756991716,1cyclictest55650irq/125-lan22:35:180
7756991716,1cyclictest55650irq/125-lan21:06:130
7756991716,1cyclictest55650irq/125-lan21:00:160
7756991716,1cyclictest55650irq/125-lan20:54:120
7756991716,1cyclictest55650irq/125-lan19:44:110
7756991716,1cyclictest55650irq/125-lan19:39:130
7756991716,1cyclictest55650irq/125-lan19:27:560
7756991716,1cyclictest55650irq/125-lan19:24:110
7756991615,1cyclictest55650irq/125-lan20:28:330
7756991615,1cyclictest55650irq/125-lan20:00:440
7756991615,1cyclictest55650irq/125-lan19:55:190
7756991515,0cyclictest55650irq/125-lan20:46:240
7756991514,1cyclictest55650irq/125-lan20:35:240
7756991514,1cyclictest55650irq/125-lan20:18:450
7756991514,1cyclictest55650irq/125-lan19:46:120
7756991514,0cyclictest55650irq/125-lan20:41:140
7764991414,0cyclictest294-21hwrng22:05:351
7756991413,1cyclictest55650irq/125-lan20:32:300
7756991413,1cyclictest55650irq/125-lan20:24:030
7764991313,0cyclictest7457-21kworker/1:1+tpm_dev_wq21:51:521
7756991312,1cyclictest55650irq/125-lan20:55:210
7764991212,0cyclictest294-21hwrng00:20:461
77649999,0cyclictest7457-21kworker/1:1+events00:01:331
77649998,1cyclictest703-21snmpd21:48:201
77649998,1cyclictest703-21snmpd00:28:131
77649998,1cyclictest21950-21ntp_kernel_pll_19:45:171
77649998,0cyclictest703-21snmpd23:49:151
77649996,2cyclictest703-21snmpd23:37:291
77649996,2cyclictest703-21snmpd23:24:291
77649996,2cyclictest703-21snmpd23:17:291
77649996,2cyclictest703-21snmpd23:11:081
77649996,2cyclictest703-21snmpd21:27:371
77649996,2cyclictest703-21snmpd20:59:181
77649996,2cyclictest703-21snmpd20:28:511
77649988,0cyclictest703-21snmpd23:02:191
77649988,0cyclictest703-21snmpd20:52:481
77649988,0cyclictest703-21snmpd20:45:321
77649988,0cyclictest703-21snmpd20:16:491
77649988,0cyclictest703-21snmpd00:30:221
77649988,0cyclictest294-21hwrng23:54:081
77649988,0cyclictest294-21hwrng22:11:441
77649988,0cyclictest294-21hwrng22:01:301
77649988,0cyclictest294-21hwrng21:00:031
77649987,1cyclictest7751-21cyclictest19:55:161
77649987,1cyclictest703-21snmpd22:15:591
77649987,1cyclictest703-21snmpd21:06:521
77649987,1cyclictest703-21snmpd20:06:071
77649987,1cyclictest703-21snmpd19:17:011
77649987,1cyclictest0-21swapper/100:05:271
77649986,2cyclictest703-21snmpd21:22:081
77649986,2cyclictest703-21snmpd21:11:281
77649986,2cyclictest681-21ntpd22:28:461
77649986,2cyclictest681-21ntpd19:38:451
77649985,2cyclictest703-21snmpd00:38:161
77649985,2cyclictest703-21snmpd00:11:291
77649984,3cyclictest703-21snmpd21:30:521
77649980,8cyclictest28145-21ssh23:25:201
77649977,0cyclictest703-21snmpd19:30:271
77649977,0cyclictest294-21hwrng23:43:541
77649977,0cyclictest294-21hwrng23:06:011
77649977,0cyclictest294-21hwrng22:58:501
77649977,0cyclictest294-21hwrng22:48:351
77649977,0cyclictest294-21hwrng22:42:281
77649977,0cyclictest294-21hwrng22:30:111
77649977,0cyclictest294-21hwrng21:59:271
77649977,0cyclictest294-21hwrng21:41:011
77649977,0cyclictest294-21hwrng21:16:271
77649977,0cyclictest294-21hwrng20:40:371
77649977,0cyclictest294-21hwrng20:38:341
77649977,0cyclictest294-21hwrng20:20:071
77649977,0cyclictest294-21hwrng20:03:451
77649977,0cyclictest294-21hwrng19:51:271
77649977,0cyclictest294-21hwrng19:25:501
77649977,0cyclictest294-21hwrng19:22:471
77649976,1cyclictest681-21ntpd19:43:451
77649976,1cyclictest13665-21fschecks_time21:35:141
77649976,1cyclictest12030-21fschecks_count00:15:091
77649976,1cyclictest0-21swapper/120:30:161
77649976,1cyclictest0-21swapper/119:10:211
77649966,0cyclictest703-21snmpd22:36:371
77649966,0cyclictest703-21snmpd20:10:581
77649965,1cyclictest32460-21fschecks_time23:30:121
77649965,1cyclictest25007-21gltestperf22:50:151
77649965,1cyclictest20444-21diskmemload22:20:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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