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2025-12-08 - 10:27

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 highest latencies:
System rack8slot7s.osadl.org (updated Mon Dec 08, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30647992019,1cyclictest55650irq/125-lan23:38:430
30647992019,1cyclictest55650irq/125-lan21:11:060
30647991918,1cyclictest55650irq/125-lan23:47:580
30647991918,1cyclictest55650irq/125-lan23:32:020
30647991918,1cyclictest55650irq/125-lan23:21:320
30647991918,1cyclictest55650irq/125-lan23:06:090
30647991918,1cyclictest55650irq/125-lan22:40:560
30647991918,1cyclictest55650irq/125-lan22:35:400
30647991918,1cyclictest55650irq/125-lan22:30:110
30647991918,1cyclictest55650irq/125-lan22:07:550
30647991918,1cyclictest55650irq/125-lan21:49:150
30647991918,1cyclictest55650irq/125-lan21:41:000
30647991918,1cyclictest55650irq/125-lan21:33:310
30647991918,1cyclictest55650irq/125-lan21:26:220
30647991918,1cyclictest55650irq/125-lan20:28:010
30647991918,1cyclictest55650irq/125-lan00:32:000
30647991918,1cyclictest55650irq/125-lan00:27:200
30647991918,1cyclictest55650irq/125-lan00:24:390
30647991918,1cyclictest55650irq/125-lan00:16:150
30647991917,2cyclictest55650irq/125-lan22:10:120
30647991818,0cyclictest55650irq/125-lan19:30:010
30647991817,1cyclictest55650irq/125-lan23:55:140
30647991817,1cyclictest55650irq/125-lan23:54:010
30647991817,1cyclictest55650irq/125-lan23:40:170
30647991817,1cyclictest55650irq/125-lan23:25:140
30647991817,1cyclictest55650irq/125-lan23:15:010
30647991817,1cyclictest55650irq/125-lan23:10:130
30647991817,1cyclictest55650irq/125-lan23:00:140
30647991817,1cyclictest55650irq/125-lan22:56:130
30647991817,1cyclictest55650irq/125-lan22:51:280
30647991817,1cyclictest55650irq/125-lan22:45:170
30647991817,1cyclictest55650irq/125-lan22:25:050
30647991817,1cyclictest55650irq/125-lan22:15:120
30647991817,1cyclictest55650irq/125-lan22:00:410
30647991817,1cyclictest55650irq/125-lan21:55:320
30647991817,1cyclictest55650irq/125-lan21:35:550
30647991817,1cyclictest55650irq/125-lan21:20:160
30647991817,1cyclictest55650irq/125-lan21:15:240
30647991817,1cyclictest55650irq/125-lan21:02:360
30647991817,1cyclictest55650irq/125-lan20:55:160
30647991817,1cyclictest55650irq/125-lan20:46:520
30647991817,1cyclictest55650irq/125-lan20:23:270
30647991817,1cyclictest55650irq/125-lan20:07:080
30647991817,1cyclictest55650irq/125-lan19:40:340
30647991817,1cyclictest55650irq/125-lan19:35:550
30647991817,1cyclictest55650irq/125-lan19:27:010
30647991817,1cyclictest55650irq/125-lan19:12:260
30647991817,1cyclictest55650irq/125-lan00:03:340
30647991717,0cyclictest55650irq/125-lan21:50:380
30647991716,1cyclictest55650irq/125-lan22:21:250
30647991716,1cyclictest55650irq/125-lan21:05:220
30647991716,1cyclictest55650irq/125-lan20:36:580
30647991716,1cyclictest55650irq/125-lan20:34:550
30647991716,1cyclictest55650irq/125-lan20:10:240
30647991716,1cyclictest55650irq/125-lan20:00:460
30647991716,1cyclictest55650irq/125-lan19:55:130
30647991716,1cyclictest55650irq/125-lan00:35:180
30647991716,1cyclictest55650irq/125-lan00:10:090
30647991716,1cyclictest55650irq/125-lan00:06:430
30647991615,1cyclictest55650irq/125-lan19:22:280
30650991515,0cyclictest294-21hwrng20:57:141
30647991515,0cyclictest55650irq/125-lan19:17:130
30647991514,1cyclictest55650irq/125-lan19:46:040
30647991414,0cyclictest55650irq/125-lan20:42:180
30647991413,1cyclictest55650irq/125-lan20:50:160
30647991413,1cyclictest55650irq/125-lan20:15:080
30647991312,1cyclictest55650irq/125-lan19:50:210
306509999,0cyclictest8354-21sh23:50:001
306509999,0cyclictest703-21snmpd00:24:051
306509999,0cyclictest294-21hwrng22:36:341
306509998,1cyclictest703-21snmpd23:21:451
306509998,1cyclictest703-21snmpd20:23:331
306509998,1cyclictest703-21snmpd19:41:581
306509998,1cyclictest703-21snmpd00:31:291
306509998,1cyclictest294-21hwrng00:35:211
306509996,2cyclictest703-21snmpd23:32:541
306509996,2cyclictest703-21snmpd22:48:111
306509996,2cyclictest703-21snmpd22:41:471
306509996,2cyclictest703-21snmpd21:20:351
306509996,2cyclictest703-21snmpd19:45:051
306509988,0cyclictest703-21snmpd21:56:271
306509988,0cyclictest294-21hwrng22:20:111
306509988,0cyclictest294-21hwrng21:35:091
306509987,1cyclictest703-21snmpd21:33:021
306509987,1cyclictest703-21snmpd20:35:001
306509987,1cyclictest703-21snmpd19:15:301
306509987,1cyclictest21372-21processes20:10:221
306509987,1cyclictest0-21swapper/123:25:141
306509986,2cyclictest703-21snmpd23:53:581
306509986,2cyclictest703-21snmpd21:47:541
306509986,2cyclictest703-21snmpd21:05:491
306509986,2cyclictest703-21snmpd00:03:371
306509986,1cyclictest0-21swapper/120:05:171
306509985,3cyclictest6864-21ntpq22:10:171
306509985,2cyclictest703-21snmpd22:18:521
306509985,2cyclictest703-21snmpd20:54:401
306509984,3cyclictest703-21snmpd00:29:141
306509977,0cyclictest703-21snmpd22:02:001
306509977,0cyclictest703-21snmpd21:51:121
306509977,0cyclictest703-21snmpd20:04:171
306509977,0cyclictest294-21hwrng23:08:191
306509977,0cyclictest294-21hwrng19:32:141
306509976,1cyclictest7163-21timerwakeupswit23:15:221
306509976,1cyclictest703-21snmpd22:54:591
306509976,1cyclictest703-21snmpd22:33:251
306509976,1cyclictest703-21snmpd22:28:281
306509976,1cyclictest24787-21timerwakeupswit23:00:241
306509976,1cyclictest22842-21missed_timers20:15:181
306509976,1cyclictest1-21systemd19:14:301
306509976,1cyclictest0-21swapper/123:10:161
306509976,1cyclictest0-21swapper/121:00:171
306509976,1cyclictest0-21swapper/119:35:141
306509975,2cyclictest703-21snmpd23:44:091
306509974,3cyclictest4175-21fw_forwarded_lo19:25:151
306509974,2cyclictest703-21snmpd21:26:531
306509974,2cyclictest703-21snmpd19:53:351
306509972,4cyclictest495-21grep20:40:251
306509966,0cyclictest23576-21idleruntime00:05:151
306509965,1cyclictest26192-21fschecks_count20:25:141
306509965,1cyclictest12279-21kworker/u4:4+nfsiod22:58:511
306509965,1cyclictest0-21swapper/122:05:181
306509965,1cyclictest0-21swapper/121:40:151
306509965,1cyclictest0-21swapper/121:10:191
306509964,2cyclictest703-21snmpd21:19:501
306509964,2cyclictest415-21avahi-daemon23:56:081
306509963,2cyclictest703-21snmpd20:31:061
306509954,1cyclictest32333-21acpi00:15:141
306509954,1cyclictest26435-21latency23:35:171
306509953,2cyclictest1655-21tune2fs20:45:151
306509953,2cyclictest15624-21sed19:55:191
306509953,1cyclictest0-21swapper/119:20:141
306509950,1cyclictest27859-21tail00:10:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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