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2025-11-21 - 07:57

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 Fri Nov 21, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24927994040,0cyclictest19101-21fwupd21:22:581
24923992019,1cyclictest55650irq/125-lan21:29:530
24923992019,1cyclictest55650irq/125-lan20:46:390
24923991919,0cyclictest55650irq/125-lan23:37:080
24923991919,0cyclictest55650irq/125-lan22:34:270
24923991918,1cyclictest55650irq/125-lan23:58:300
24923991918,1cyclictest55650irq/125-lan23:50:250
24923991918,1cyclictest55650irq/125-lan23:41:230
24923991918,1cyclictest55650irq/125-lan23:25:200
24923991918,1cyclictest55650irq/125-lan23:15:370
24923991918,1cyclictest55650irq/125-lan22:57:410
24923991918,1cyclictest55650irq/125-lan22:52:360
24923991918,1cyclictest55650irq/125-lan22:42:100
24923991918,1cyclictest55650irq/125-lan22:25:320
24923991918,1cyclictest55650irq/125-lan21:49:320
24923991918,1cyclictest55650irq/125-lan21:44:210
24923991918,1cyclictest55650irq/125-lan21:20:510
24923991918,1cyclictest55650irq/125-lan20:26:320
24923991918,1cyclictest55650irq/125-lan19:40:130
24923991918,1cyclictest55650irq/125-lan19:30:170
24923991918,1cyclictest55650irq/125-lan19:16:050
24923991918,1cyclictest55650irq/125-lan00:38:430
24923991818,0cyclictest55650irq/125-lan22:46:420
24923991818,0cyclictest55650irq/125-lan22:15:080
24923991818,0cyclictest55650irq/125-lan22:09:110
24923991818,0cyclictest55650irq/125-lan20:04:100
24923991818,0cyclictest55650irq/125-lan00:32:070
24923991818,0cyclictest55650irq/125-lan00:22:320
24923991817,1cyclictest55650irq/125-lan23:45:050
24923991817,1cyclictest55650irq/125-lan23:33:300
24923991817,1cyclictest55650irq/125-lan23:20:410
24923991817,1cyclictest55650irq/125-lan22:35:110
24923991817,1cyclictest55650irq/125-lan22:20:190
24923991817,1cyclictest55650irq/125-lan22:10:070
24923991817,1cyclictest55650irq/125-lan22:00:370
24923991817,1cyclictest55650irq/125-lan21:55:010
24923991817,1cyclictest55650irq/125-lan21:50:450
24923991817,1cyclictest55650irq/125-lan21:35:290
24923991817,1cyclictest55650irq/125-lan21:11:100
24923991817,1cyclictest55650irq/125-lan21:00:120
24923991817,1cyclictest55650irq/125-lan20:54:460
24923991817,1cyclictest55650irq/125-lan20:30:240
24923991817,1cyclictest55650irq/125-lan19:57:290
24923991817,1cyclictest55650irq/125-lan19:46:120
24923991817,1cyclictest55650irq/125-lan00:27:050
24923991817,1cyclictest55650irq/125-lan00:13:300
24923991816,1cyclictest55650irq/125-lan00:15:070
24923991816,1cyclictest55650irq/125-lan00:15:070
24923991717,0cyclictest55650irq/125-lan23:12:020
24923991717,0cyclictest55650irq/125-lan19:22:080
24923991716,1cyclictest55650irq/125-lan23:05:240
24923991716,1cyclictest55650irq/125-lan23:01:340
24923991716,1cyclictest55650irq/125-lan21:30:220
24923991716,1cyclictest55650irq/125-lan21:15:440
24923991716,1cyclictest55650irq/125-lan21:06:550
24923991716,1cyclictest55650irq/125-lan20:57:230
24923991716,1cyclictest55650irq/125-lan20:23:330
24923991716,1cyclictest55650irq/125-lan20:09:270
24923991716,1cyclictest55650irq/125-lan19:53:240
24923991716,1cyclictest55650irq/125-lan19:53:240
24923991716,1cyclictest55650irq/125-lan19:36:320
24923991716,1cyclictest55650irq/125-lan19:29:400
24923991716,1cyclictest55650irq/125-lan00:05:320
24923991716,1cyclictest55650irq/125-lan00:01:240
24923991616,0cyclictest55650irq/125-lan20:38:590
24923991616,0cyclictest55650irq/125-lan20:12:220
24923991615,1cyclictest55650irq/125-lan20:16:280
24923991615,1cyclictest55650irq/125-lan19:11:430
24923991514,1cyclictest55650irq/125-lan20:40:180
2492799109,1cyclictest2340-21turbostat21:00:001
2492799109,1cyclictest19757-21latency00:15:181
2492799109,1cyclictest19757-21latency00:15:181
2492799109,1cyclictest16173-21fschecks_count22:30:141
2492799108,1cyclictest703-21snmpd23:22:451
2492799108,1cyclictest0-21swapper/121:40:171
2492799106,3cyclictest703-21snmpd23:57:261
249279999,0cyclictest294-21hwrng22:16:091
249279998,1cyclictest703-21snmpd23:25:511
249279998,1cyclictest703-21snmpd20:35:291
249279998,1cyclictest703-21snmpd20:28:491
249279998,1cyclictest703-21snmpd19:44:381
249279998,1cyclictest703-21snmpd00:12:481
249279998,1cyclictest294-21hwrng00:37:261
249279996,2cyclictest703-21snmpd22:35:151
249279996,2cyclictest703-21snmpd20:30:071
249279988,0cyclictest703-21snmpd22:55:421
249279988,0cyclictest703-21snmpd22:51:301
249279988,0cyclictest703-21snmpd21:05:421
249279988,0cyclictest703-21snmpd20:42:101
249279988,0cyclictest703-21snmpd20:11:151
249279988,0cyclictest294-21hwrng22:49:551
249279988,0cyclictest10372-21/usr/sbin/munin00:05:151
249279987,1cyclictest703-21snmpd23:49:111
249279987,1cyclictest703-21snmpd20:52:311
249279987,1cyclictest433-21systemd-logind19:10:221
249279987,1cyclictest311ktimers/122:10:171
249279987,1cyclictest24918-21cyclictest21:15:171
249279987,1cyclictest23070-21timerwakeupswit23:10:221
249279987,1cyclictest0-21swapper/121:10:211
249279986,2cyclictest703-21snmpd22:42:081
249279986,2cyclictest703-21snmpd22:29:481
249279986,2cyclictest703-21snmpd20:21:281
249279986,2cyclictest703-21snmpd20:05:301
249279986,2cyclictest703-21snmpd19:24:171
249279986,2cyclictest681-21ntpd00:00:191
249279985,2cyclictest703-21snmpd23:40:141
249279985,2cyclictest703-21snmpd21:34:071
249279985,2cyclictest681-21ntpd21:25:171
249279977,0cyclictest703-21snmpd23:31:481
249279977,0cyclictest703-21snmpd22:22:021
249279977,0cyclictest703-21snmpd22:06:131
249279977,0cyclictest294-21hwrng23:05:181
249279977,0cyclictest294-21hwrng21:37:141
249279977,0cyclictest294-21hwrng19:47:401
249279977,0cyclictest294-21hwrng00:30:171
249279977,0cyclictest294-21hwrng00:25:101
249279976,1cyclictest703-21snmpd23:38:051
249279976,1cyclictest703-21snmpd22:04:071
249279976,1cyclictest703-21snmpd20:45:161
249279976,1cyclictest31386-21gltestperf19:25:141
249279976,1cyclictest28515-21missed_timers23:50:171
249279976,1cyclictest257-21systemd-udevd19:30:211
249279975,2cyclictest7489-21cat21:45:161
249279975,2cyclictest703-21snmpd23:18:401
249279975,2cyclictest703-21snmpd19:52:091
249279975,2cyclictest703-21snmpd19:52:091
249279975,2cyclictest703-21snmpd19:39:051
249279975,2cyclictest24410-21ntpq00:20:191
249279966,0cyclictest703-21snmpd19:55:151
249279966,0cyclictest294-21hwrng21:51:341
249279966,0cyclictest294-21hwrng20:15:191
249279966,0cyclictest13023-21latency23:00:151
249279965,1cyclictest161372sleep121:55:141
249279963,2cyclictest26891-21apt-get19:15:131
249279954,1cyclictest703-21snmpd21:02:271
249279940,4cyclictest11969-21apt-config20:00:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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