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2025-11-18 - 20:12

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 100 highest latencies:
System rack8slot7s.osadl.org (updated Tue Nov 18, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20049992725,2cyclictest4052-21fwupd10:28:591
20048992320,3cyclictest55650irq/125-lan09:55:420
20048992220,2cyclictest55650irq/125-lan11:10:070
20048992220,2cyclictest55650irq/125-lan10:40:090
20048992220,2cyclictest55650irq/125-lan10:19:350
20048992220,2cyclictest55650irq/125-lan09:52:570
20048992120,1cyclictest55650irq/125-lan09:21:250
20048992119,2cyclictest55650irq/125-lan12:29:490
20048992119,2cyclictest55650irq/125-lan12:12:320
20048992119,2cyclictest55650irq/125-lan12:08:250
20048992119,2cyclictest55650irq/125-lan10:37:280
20048992119,2cyclictest55650irq/125-lan10:32:570
20048992119,2cyclictest55650irq/125-lan10:00:340
20048992118,3cyclictest55650irq/125-lan12:21:310
20048992019,1cyclictest55650irq/125-lan11:45:260
20048992019,1cyclictest55650irq/125-lan09:31:030
20048992018,2cyclictest55650irq/125-lan12:00:220
20048992018,2cyclictest55650irq/125-lan11:30:070
20048992018,2cyclictest55650irq/125-lan11:23:230
20048992018,2cyclictest55650irq/125-lan10:51:260
20048992018,2cyclictest55650irq/125-lan07:40:480
20048992017,3cyclictest55650irq/125-lan11:17:220
20048992017,2cyclictest55650irq/125-lan09:45:210
20048991918,1cyclictest55650irq/125-lan12:15:040
20048991918,1cyclictest55650irq/125-lan11:00:020
20048991918,1cyclictest55650irq/125-lan10:20:570
20048991918,1cyclictest55650irq/125-lan09:37:500
20048991918,1cyclictest55650irq/125-lan09:27:210
20048991918,1cyclictest55650irq/125-lan09:02:130
20048991918,1cyclictest55650irq/125-lan07:45:160
20048991917,2cyclictest55650irq/125-lan12:36:300
20048991917,2cyclictest55650irq/125-lan11:51:060
20048991917,2cyclictest55650irq/125-lan10:28:320
20048991916,3cyclictest55650irq/125-lan11:35:130
20048991916,3cyclictest55650irq/125-lan11:29:300
20048991916,3cyclictest55650irq/125-lan09:41:480
20048991915,4cyclictest55650irq/125-lan11:40:230
20048991915,4cyclictest55650irq/125-lan10:06:350
20048991817,1cyclictest55650irq/125-lan12:30:200
20048991817,1cyclictest55650irq/125-lan10:46:120
20048991817,1cyclictest55650irq/125-lan10:10:110
20048991817,1cyclictest55650irq/125-lan09:12:150
20048991817,1cyclictest55650irq/125-lan08:40:200
20048991817,1cyclictest55650irq/125-lan08:01:220
20048991817,1cyclictest55650irq/125-lan07:32:580
20048991816,2cyclictest55650irq/125-lan10:56:360
20048991816,2cyclictest55650irq/125-lan08:58:220
20048991816,2cyclictest55650irq/125-lan07:26:280
20048991816,1cyclictest55650irq/125-lan07:24:590
20048991717,0cyclictest55650irq/125-lan08:27:370
20048991716,1cyclictest55650irq/125-lan11:58:000
20048991716,1cyclictest55650irq/125-lan08:30:130
20048991716,1cyclictest55650irq/125-lan08:12:330
20048991715,2cyclictest55650irq/125-lan08:36:220
20048991715,2cyclictest55650irq/125-lan08:21:250
20048991714,3cyclictest55650irq/125-lan09:05:190
20048991616,0cyclictest55650irq/125-lan07:56:220
20048991615,1cyclictest55650irq/125-lan08:15:150
20048991615,1cyclictest55650irq/125-lan07:15:240
20049991515,0cyclictest294-21hwrng08:55:531
20049991515,0cyclictest294-21hwrng08:48:421
20049991515,0cyclictest294-21hwrng07:58:331
20049991515,0cyclictest294-21hwrng07:44:121
20048991514,1cyclictest55650irq/125-lan08:51:310
20048991514,1cyclictest55650irq/125-lan08:45:140
20048991514,1cyclictest55650irq/125-lan08:05:190
20048991514,1cyclictest55650irq/125-lan07:35:120
20048991514,1cyclictest55650irq/125-lan07:12:380
20049991414,0cyclictest294-21hwrng09:21:281
20048991413,1cyclictest55650irq/125-lan07:50:210
2004999137,6cyclictest478-21gmain08:20:591
2004999137,5cyclictest681-21ntpd08:30:191
2004999126,1cyclictest407-21gltestperf11:40:151
20049991212,0cyclictest294-21hwrng12:39:071
2004999117,4cyclictest31809-21proc_pri11:00:201
2004999117,4cyclictest15859-21/usr/sbin/munin10:05:181
2004999116,2cyclictest703-21snmpd11:22:501
2004999115,1cyclictest395-21diskmemload11:33:211
2004999115,1cyclictest0-21swapper/109:40:141
2004999113,3cyclictest703-21snmpd11:38:111
20049991111,0cyclictest294-21hwrng09:04:051
2004999108,2cyclictest703-21snmpd09:08:521
2004999107,3cyclictest703-21snmpd11:07:341
2004999107,3cyclictest703-21snmpd07:47:351
2004999107,1cyclictest703-21snmpd07:36:221
2004999106,4cyclictest25985-21/usr/sbin/munin12:10:181
2004999103,3cyclictest22650-21ntpq07:15:211
200499999,0cyclictest294-21hwrng09:17:231
200499998,1cyclictest703-21snmpd11:51:361
200499998,1cyclictest703-21snmpd07:30:001
200499998,1cyclictest14683-21ntp_kernel_pll_10:40:221
200499998,1cyclictest13616-21/usr/sbin/munin09:25:131
200499997,2cyclictest294-21hwrng12:25:481
200499997,2cyclictest294-21hwrng10:59:471
200499995,2cyclictest703-21snmpd07:12:131
200499995,1cyclictest5518-21fschecks_count10:30:141
200499994,1cyclictest0-21swapper/112:30:001
200499993,3cyclictest21960-21ntpq12:05:191
200499988,0cyclictest703-21snmpd11:47:301
200499988,0cyclictest703-21snmpd09:31:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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