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2025-12-09 - 20:23

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 Dec 09, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31861993131,0cyclictest16608-21fwupd07:51:530
31861992019,1cyclictest55650irq/125-lan12:24:560
31861991918,1cyclictest55650irq/125-lan12:35:190
31861991918,1cyclictest55650irq/125-lan12:26:020
31861991918,1cyclictest55650irq/125-lan12:05:070
31861991918,1cyclictest55650irq/125-lan11:48:220
31861991918,1cyclictest55650irq/125-lan11:44:170
31861991918,1cyclictest55650irq/125-lan11:32:060
31861991918,1cyclictest55650irq/125-lan11:14:340
31861991918,1cyclictest55650irq/125-lan11:08:030
31861991918,1cyclictest55650irq/125-lan10:55:190
31861991918,1cyclictest55650irq/125-lan10:54:150
31861991918,1cyclictest55650irq/125-lan10:46:590
31861991918,1cyclictest55650irq/125-lan10:40:140
31861991918,1cyclictest55650irq/125-lan10:35:190
31861991918,1cyclictest55650irq/125-lan09:58:460
31861991918,1cyclictest55650irq/125-lan09:58:450
31861991918,1cyclictest55650irq/125-lan09:30:140
31861991918,1cyclictest55650irq/125-lan09:13:140
31861991918,1cyclictest55650irq/125-lan08:58:050
31861991818,0cyclictest55650irq/125-lan11:27:500
31861991818,0cyclictest55650irq/125-lan09:40:160
31861991818,0cyclictest55650irq/125-lan08:35:540
31861991817,1cyclictest55650irq/125-lan12:30:010
31861991817,1cyclictest55650irq/125-lan12:15:120
31861991817,1cyclictest55650irq/125-lan12:01:590
31861991817,1cyclictest55650irq/125-lan11:55:130
31861991817,1cyclictest55650irq/125-lan11:21:300
31861991817,1cyclictest55650irq/125-lan11:15:050
31861991817,1cyclictest55650irq/125-lan10:34:040
31861991817,1cyclictest55650irq/125-lan10:25:140
31861991817,1cyclictest55650irq/125-lan10:15:370
31861991817,1cyclictest55650irq/125-lan10:13:240
31861991817,1cyclictest55650irq/125-lan10:05:190
31861991817,1cyclictest55650irq/125-lan09:35:290
31861991817,1cyclictest55650irq/125-lan09:25:130
31861991817,1cyclictest55650irq/125-lan09:20:230
31861991817,1cyclictest55650irq/125-lan09:19:530
31861991817,1cyclictest55650irq/125-lan09:09:470
31861991817,1cyclictest55650irq/125-lan07:58:150
31861991817,1cyclictest55650irq/125-lan07:42:510
31861991816,1cyclictest55650irq/125-lan11:00:020
31861991716,1cyclictest55650irq/125-lan11:50:040
31861991716,1cyclictest55650irq/125-lan11:38:120
31861991716,1cyclictest55650irq/125-lan10:20:030
31861991716,1cyclictest55650irq/125-lan09:50:410
31861991716,1cyclictest55650irq/125-lan09:45:000
31861991716,1cyclictest55650irq/125-lan09:00:160
31861991716,1cyclictest55650irq/125-lan08:52:180
31861991716,1cyclictest55650irq/125-lan07:26:400
31861991716,1cyclictest55650irq/125-lan07:21:030
31861991716,1cyclictest55650irq/125-lan07:15:220
31861991716,1cyclictest55650irq/125-lan07:10:170
31861991715,1cyclictest55650irq/125-lan10:00:130
31861991616,0cyclictest55650irq/125-lan08:10:080
31861991615,1cyclictest55650irq/125-lan12:10:200
31861991615,1cyclictest55650irq/125-lan08:28:320
31861991615,1cyclictest55650irq/125-lan08:22:050
31861991615,1cyclictest55650irq/125-lan08:15:420
31861991615,1cyclictest55650irq/125-lan08:05:040
31861991615,1cyclictest55650irq/125-lan07:46:140
31861991615,1cyclictest55650irq/125-lan07:35:250
31861991515,0cyclictest55650irq/125-lan08:30:340
31861991515,0cyclictest55650irq/125-lan07:32:370
31861991514,1cyclictest55650irq/125-lan08:45:180
31861991514,1cyclictest55650irq/125-lan08:00:110
31864991414,0cyclictest294-21hwrng12:10:231
31864991414,0cyclictest294-21hwrng08:35:211
31864991313,0cyclictest24608-21kworker/1:2+events07:34:321
31864991212,0cyclictest294-21hwrng08:55:501
31861991211,1cyclictest55650irq/125-lan08:43:590
31864991111,0cyclictest294-21hwrng09:16:181
3186499108,1cyclictest294-21hwrng08:25:071
3186499108,1cyclictest0-21swapper/110:27:591
318649998,1cyclictest703-21snmpd10:33:221
318649998,1cyclictest703-21snmpd09:42:221
318649998,1cyclictest703-21snmpd09:35:071
318649998,1cyclictest703-21snmpd08:41:181
318649998,1cyclictest703-21snmpd07:55:541
318649998,1cyclictest5673-21ntp_kernel_pll_08:50:181
318649998,1cyclictest30716-21ntp_offset08:30:161
318649998,1cyclictest24393-21ntp_kernel_err12:25:171
318649997,2cyclictest29140-21mailstats12:30:211
318649997,1cyclictest294-21hwrng08:03:361
318649996,2cyclictest703-21snmpd10:41:311
318649996,2cyclictest703-21snmpd09:49:521
318649996,2cyclictest703-21snmpd09:14:361
318649996,2cyclictest703-21snmpd07:35:111
318649996,2cyclictest703-21snmpd07:12:141
318649988,0cyclictest703-21snmpd12:18:331
318649988,0cyclictest703-21snmpd11:52:511
318649988,0cyclictest703-21snmpd11:02:491
318649988,0cyclictest294-21hwrng11:32:301
318649988,0cyclictest294-21hwrng09:28:371
318649988,0cyclictest294-21hwrng09:08:071
318649987,1cyclictest703-21snmpd10:03:511
318649987,1cyclictest703-21snmpd09:04:061
318649987,1cyclictest294-21hwrng12:05:161
318649987,1cyclictest28961-21apt-get11:55:121
318649986,2cyclictest703-21snmpd11:41:351
318649986,2cyclictest484-21apt-get12:35:121
318649985,2cyclictest703-21snmpd09:51:071
318649985,2cyclictest703-21snmpd08:16:581
318649985,2cyclictest703-21snmpd07:45:031
318649985,2cyclictest152332sleep107:50:101
318649984,4cyclictest2159-21sed10:50:171
318649977,0cyclictest703-21snmpd09:20:161
318649977,0cyclictest294-21hwrng12:20:371
318649977,0cyclictest294-21hwrng10:15:421
318649977,0cyclictest294-21hwrng10:10:351
318649977,0cyclictest294-21hwrng09:56:161
318649977,0cyclictest294-21hwrng09:56:151
318649977,0cyclictest294-21hwrng09:30:391
318649977,0cyclictest294-21hwrng08:05:401
318649976,1cyclictest703-21snmpd10:58:331
318649976,1cyclictest703-21snmpd10:46:511
318649976,1cyclictest3993-21ntp_kernel_pll_07:20:171
318649976,1cyclictest31858-21cyclictest11:10:181
318649976,1cyclictest26521-21fschecks_count08:20:121
318649976,1cyclictest12214-21ntp_kernel_err07:40:181
318649976,1cyclictest1063-21runrttasks11:23:501
318649975,2cyclictest703-21snmpd11:35:291
318649975,2cyclictest703-21snmpd08:49:211
318649975,1cyclictest0-21swapper/108:10:181
318649974,3cyclictest2189-21apt-get11:25:131
318649974,3cyclictest16854-21ntpq11:05:181
318649974,2cyclictest703-21snmpd07:28:511
318649973,3cyclictest21803-21ssh11:46:591
318649970,3cyclictest26509-21ntpq10:05:181
318649965,1cyclictest0-21swapper/107:15:161
318649964,1cyclictest703-21snmpd10:22:171
318649955,0cyclictest294-21hwrng12:00:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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