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2025-05-02 - 12:22

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 all highest latencies:
System rack8slot7s.osadl.org (updated Fri May 02, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23967991919,0cyclictest55650irq/125-lan00:30:210
23967991919,0cyclictest294-21hwrng22:37:350
23967991918,1cyclictest55650irq/125-lan23:45:560
23967991918,1cyclictest55650irq/125-lan23:15:210
23967991918,1cyclictest55650irq/125-lan23:14:170
23967991918,1cyclictest55650irq/125-lan22:54:220
23967991918,1cyclictest55650irq/125-lan22:25:140
23967991918,1cyclictest55650irq/125-lan22:16:560
23967991918,1cyclictest55650irq/125-lan22:14:240
23967991918,1cyclictest55650irq/125-lan21:57:130
23967991918,1cyclictest55650irq/125-lan21:52:300
23967991918,1cyclictest55650irq/125-lan21:35:180
23967991918,1cyclictest55650irq/125-lan21:27:420
23967991918,1cyclictest55650irq/125-lan21:24:480
23967991918,1cyclictest55650irq/125-lan19:24:410
23967991918,1cyclictest55650irq/125-lan00:36:030
23967991918,1cyclictest55650irq/125-lan00:21:460
23967991918,1cyclictest55650irq/125-lan00:18:110
23967991918,1cyclictest55650irq/125-lan00:00:410
23967991818,0cyclictest55650irq/125-lan22:46:210
23967991818,0cyclictest55650irq/125-lan22:22:350
23967991818,0cyclictest55650irq/125-lan22:09:380
23967991818,0cyclictest55650irq/125-lan00:25:110
23967991817,1cyclictest55650irq/125-lan23:58:340
23967991817,1cyclictest55650irq/125-lan23:52:510
23967991817,1cyclictest55650irq/125-lan23:43:310
23967991817,1cyclictest55650irq/125-lan23:35:330
23967991817,1cyclictest55650irq/125-lan23:31:060
23967991817,1cyclictest55650irq/125-lan23:20:130
23967991817,1cyclictest55650irq/125-lan23:05:200
23967991817,1cyclictest55650irq/125-lan23:00:230
23967991817,1cyclictest55650irq/125-lan22:55:470
23967991817,1cyclictest55650irq/125-lan22:42:340
23967991817,1cyclictest55650irq/125-lan21:45:020
23967991817,1cyclictest55650irq/125-lan21:40:090
23967991817,1cyclictest55650irq/125-lan21:32:380
23967991817,1cyclictest55650irq/125-lan21:16:110
23967991817,1cyclictest55650irq/125-lan21:12:420
23967991817,1cyclictest55650irq/125-lan20:49:280
23967991817,1cyclictest55650irq/125-lan20:11:470
23967991817,1cyclictest55650irq/125-lan19:56:570
23967991817,1cyclictest55650irq/125-lan19:40:520
23967991817,1cyclictest55650irq/125-lan19:35:120
23967991817,1cyclictest55650irq/125-lan00:10:140
23967991817,1cyclictest55650irq/125-lan00:05:160
23967991816,1cyclictest55650irq/125-lan22:30:140
23967991717,0cyclictest55650irq/125-lan23:25:390
23967991717,0cyclictest55650irq/125-lan20:05:230
23967991716,1cyclictest55650irq/125-lan22:01:160
23967991716,1cyclictest55650irq/125-lan20:32:250
23967991716,1cyclictest55650irq/125-lan20:29:150
23967991716,1cyclictest55650irq/125-lan20:15:150
23967991716,1cyclictest55650irq/125-lan19:28:310
23967991716,1cyclictest55650irq/125-lan19:14:290
23967991615,1cyclictest55650irq/125-lan21:05:430
23967991615,1cyclictest55650irq/125-lan20:59:530
23967991615,1cyclictest55650irq/125-lan20:54:590
23967991515,0cyclictest55650irq/125-lan20:00:000
23967991514,1cyclictest55650irq/125-lan20:41:540
23967991514,1cyclictest55650irq/125-lan20:20:180
23967991514,1cyclictest55650irq/125-lan19:30:070
23967991514,1cyclictest55650irq/125-lan19:15:100
23969991414,0cyclictest294-21hwrng19:25:041
2396999140,14cyclictest12449-21taskset21:19:091
23967991413,1cyclictest55650irq/125-lan21:00:080
23967991413,1cyclictest55650irq/125-lan20:38:220
23967991413,1cyclictest55650irq/125-lan19:49:590
23967991313,0cyclictest55650irq/125-lan19:50:210
23969991111,0cyclictest294-21hwrng22:01:451
23969991111,0cyclictest294-21hwrng21:57:391
2396999109,1cyclictest12925-21proc_pri23:30:221
239699999,0cyclictest703-21snmpd22:28:341
239699998,1cyclictest28994-21proc_pri19:20:201
239699998,1cyclictest23515-21gltestperf21:30:201
239699998,1cyclictest12141-21idleruntime-cro22:25:001
239699996,2cyclictest703-21snmpd21:49:081
239699996,2cyclictest703-21snmpd20:10:031
239699995,3cyclictest703-21snmpd23:47:091
239699995,3cyclictest703-21snmpd22:06:101
239699988,0cyclictest703-21snmpd23:36:281
239699988,0cyclictest703-21snmpd22:31:521
239699988,0cyclictest703-21snmpd21:29:531
239699988,0cyclictest703-21snmpd21:05:131
239699988,0cyclictest703-21snmpd20:36:481
239699988,0cyclictest703-21snmpd20:25:051
239699987,1cyclictest703-21snmpd22:59:201
239699987,1cyclictest703-21snmpd22:51:051
239699987,1cyclictest703-21snmpd22:10:191
239699987,1cyclictest703-21snmpd21:02:271
239699987,1cyclictest703-21snmpd20:53:551
239699987,1cyclictest703-21snmpd19:47:191
239699987,1cyclictest703-21snmpd00:11:291
239699987,1cyclictest483-21wc22:45:211
239699987,1cyclictest22865-21collect223:40:181
239699987,1cyclictest18119-21fschecks_time20:20:171
239699987,1cyclictest11297-21ntp_kernel_pll_20:00:191
239699986,2cyclictest703-21snmpd23:29:581
239699986,2cyclictest703-21snmpd21:23:281
239699986,2cyclictest703-21snmpd00:34:111
239699986,2cyclictest17591-21sh00:08:561
239699985,2cyclictest703-21snmpd20:44:331
239699985,2cyclictest703-21snmpd19:30:071
239699985,2cyclictest703-21snmpd19:13:391
239699985,2cyclictest703-21snmpd00:27:501
239699984,3cyclictest703-21snmpd21:51:111
239699977,0cyclictest703-21snmpd23:54:071
239699977,0cyclictest703-21snmpd23:07:561
239699977,0cyclictest703-21snmpd23:03:201
239699977,0cyclictest294-21hwrng19:36:201
239699976,1cyclictest932-21cat21:40:171
239699976,1cyclictest7225-21dump-pmu-power22:20:001
239699976,1cyclictest703-21snmpd00:01:281
239699976,1cyclictest478-21gmain00:35:411
239699976,1cyclictest2819-21ntp_kernel_pll_23:20:181
239699976,1cyclictest28130-21cpuspeed_turbos21:35:151
239699976,1cyclictest23962-21cyclictest00:21:321
239699976,1cyclictest227-20systemd-journal19:17:001
239699975,2cyclictest703-21snmpd19:43:551
239699974,3cyclictest703-21snmpd00:18:171
239699974,3cyclictest30369-21ntpq23:15:191
239699974,2cyclictest703-21snmpd23:13:381
239699974,2cyclictest703-21snmpd20:17:231
239699965,1cyclictest311ktimers/119:55:201
239699965,1cyclictest27536-21cat22:40:141
239699965,1cyclictest27174-21gltestperf20:45:191
239699965,1cyclictest22950-21ntp_kernel_pll_22:35:171
239699964,1cyclictest703-21snmpd20:06:371
239699954,1cyclictest7223-21ntp_kernel_err19:50:181
239699954,1cyclictest30775-21gltestperf20:55:181
239699953,2cyclictest703-21snmpd23:57:521
239699953,2cyclictest21663-21tune2fs20:30:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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