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2025-03-14 - 07:47

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 Fri Mar 14, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25445992019,1cyclictest55650irq/125-lan21:43:240
25445991918,1cyclictest55650irq/125-lan23:55:190
25445991918,1cyclictest55650irq/125-lan23:48:230
25445991918,1cyclictest55650irq/125-lan23:35:210
25445991918,1cyclictest55650irq/125-lan23:27:510
25445991918,1cyclictest55650irq/125-lan23:03:120
25445991918,1cyclictest55650irq/125-lan22:32:020
25445991918,1cyclictest55650irq/125-lan22:25:380
25445991918,1cyclictest55650irq/125-lan21:35:240
25445991918,1cyclictest55650irq/125-lan21:28:260
25445991918,1cyclictest55650irq/125-lan00:39:360
25445991918,1cyclictest55650irq/125-lan00:10:420
25445991917,1cyclictest55650irq/125-lan21:48:400
25445991917,1cyclictest55650irq/125-lan21:32:060
25445991917,1cyclictest55650irq/125-lan00:06:090
25445991818,0cyclictest55650irq/125-lan22:58:300
25445991818,0cyclictest55650irq/125-lan21:15:200
25445991817,1cyclictest55650irq/125-lan23:40:210
25445991817,1cyclictest55650irq/125-lan23:20:100
25445991817,1cyclictest55650irq/125-lan23:14:080
25445991817,1cyclictest55650irq/125-lan23:09:400
25445991817,1cyclictest55650irq/125-lan22:51:510
25445991817,1cyclictest55650irq/125-lan22:47:240
25445991817,1cyclictest55650irq/125-lan22:42:130
25445991817,1cyclictest55650irq/125-lan22:37:470
25445991817,1cyclictest55650irq/125-lan22:20:290
25445991817,1cyclictest55650irq/125-lan22:18:280
25445991817,1cyclictest55650irq/125-lan22:14:580
25445991817,1cyclictest55650irq/125-lan22:06:230
25445991817,1cyclictest55650irq/125-lan22:01:280
25445991817,1cyclictest55650irq/125-lan21:56:270
25445991817,1cyclictest55650irq/125-lan21:20:220
25445991817,1cyclictest55650irq/125-lan21:10:280
25445991817,1cyclictest55650irq/125-lan20:51:270
25445991817,1cyclictest55650irq/125-lan20:24:280
25445991817,1cyclictest55650irq/125-lan20:07:430
25445991817,1cyclictest55650irq/125-lan19:47:320
25445991817,1cyclictest55650irq/125-lan00:20:190
25445991817,1cyclictest55650irq/125-lan00:17:360
25445991817,1cyclictest55650irq/125-lan00:00:190
25445991816,2cyclictest55650irq/125-lan23:52:480
25445991816,2cyclictest55650irq/125-lan23:52:480
25445991816,2cyclictest55650irq/125-lan23:30:170
25445991816,1cyclictest55650irq/125-lan00:30:090
25445991717,0cyclictest55650irq/125-lan21:51:010
25445991717,0cyclictest55650irq/125-lan20:25:130
25445991717,0cyclictest55650irq/125-lan00:27:530
25445991716,1cyclictest55650irq/125-lan23:15:130
25445991716,1cyclictest55650irq/125-lan21:04:570
25445991716,1cyclictest55650irq/125-lan20:15:110
25445991716,1cyclictest55650irq/125-lan19:50:210
25445991716,1cyclictest55650irq/125-lan19:18:540
25445991615,1cyclictest55650irq/125-lan20:59:480
25445991615,1cyclictest55650irq/125-lan20:00:230
25445991615,1cyclictest55650irq/125-lan19:39:160
25449991515,0cyclictest294-21hwrng21:56:051
25449991515,0cyclictest294-21hwrng21:51:591
25449991515,0cyclictest294-21hwrng19:36:481
25445991515,0cyclictest55650irq/125-lan20:35:250
25445991515,0cyclictest55650irq/125-lan19:44:340
25445991515,0cyclictest55650irq/125-lan19:20:150
25445991514,1cyclictest55650irq/125-lan21:05:220
25445991514,1cyclictest55650irq/125-lan20:48:010
25445991514,1cyclictest55650irq/125-lan20:40:120
25445991514,1cyclictest55650irq/125-lan20:30:190
25445991514,1cyclictest55650irq/125-lan19:25:160
25445991413,1cyclictest55650irq/125-lan19:55:200
25445991413,1cyclictest55650irq/125-lan19:31:260
25445991413,1cyclictest55650irq/125-lan19:10:190
25449991313,0cyclictest294-21hwrng21:40:421
25445991211,1cyclictest55650irq/125-lan20:10:210
2544999109,1cyclictest703-21snmpd22:30:131
254499998,1cyclictest703-21snmpd23:10:501
254499998,1cyclictest703-21snmpd21:26:011
254499998,1cyclictest703-21snmpd20:12:381
254499998,1cyclictest703-21snmpd00:26:441
254499998,1cyclictest6854-21ntp_kernel_pll_23:35:161
254499998,1cyclictest5110-21processes00:10:141
254499996,3cyclictest703-21snmpd00:01:451
254499996,2cyclictest703-21snmpd22:40:281
254499996,2cyclictest703-21snmpd22:07:201
254499996,2cyclictest703-21snmpd19:59:011
254499996,2cyclictest703-21snmpd19:41:171
254499996,2cyclictest703-21snmpd00:39:081
254499995,3cyclictest703-21snmpd23:20:481
254499995,3cyclictest703-21snmpd20:21:021
254499988,0cyclictest703-21snmpd23:46:251
254499988,0cyclictest703-21snmpd22:50:281
254499988,0cyclictest703-21snmpd20:54:451
254499988,0cyclictest703-21snmpd20:45:211
254499988,0cyclictest703-21snmpd20:09:291
254499987,1cyclictest703-21snmpd21:23:191
254499987,1cyclictest691-21cron23:05:011
254499987,1cyclictest392-21systemd-resolve23:26:211
254499987,1cyclictest24518-21ntp_kernel_pll_21:30:121
254499987,1cyclictest24329-21gltestperf23:55:151
254499987,1cyclictest18971-21sendmail_mailqu22:35:221
254499986,2cyclictest703-21snmpd23:17:421
254499986,2cyclictest703-21snmpd21:04:031
254499986,2cyclictest703-21snmpd20:36:191
254499986,1cyclictest703-21snmpd20:01:551
254499986,1cyclictest13390-21needreboot00:20:181
254499985,2cyclictest703-21snmpd21:07:081
254499985,2cyclictest703-21snmpd20:18:381
254499985,2cyclictest703-21snmpd00:33:201
254499977,0cyclictest703-21snmpd19:18:151
254499977,0cyclictest703-21snmpd19:11:311
254499977,0cyclictest436-21wpa_supplicant23:33:111
254499977,0cyclictest294-21hwrng20:58:431
254499977,0cyclictest294-21hwrng00:08:091
254499976,1cyclictest703-21snmpd22:47:491
254499976,1cyclictest703-21snmpd21:47:001
254499976,1cyclictest703-21snmpd20:27:361
254499976,1cyclictest18724-21cpuspeed_turbos22:00:091
254499975,2cyclictest703-21snmpd21:36:081
254499975,2cyclictest703-21snmpd19:50:051
254499975,2cyclictest703-21snmpd19:32:101
254499974,3cyclictest703-21snmpd23:50:341
254499974,3cyclictest703-21snmpd23:50:341
254499974,3cyclictest4950-21ntpq22:20:181
254499974,2cyclictest703-21snmpd22:26:041
254499965,1cyclictest8998-21missed_timers00:15:151
254499965,1cyclictest28267-21turbostat20:44:591
254499965,1cyclictest23237-21fschecks_time20:30:171
254499965,1cyclictest0-21swapper/122:10:121
254499965,1cyclictest0-21swapper/121:15:211
254499964,2cyclictest703-21snmpd21:11:111
254499964,2cyclictest13139-21kworker/u4:0+nfsiod23:08:441
254499962,3cyclictest703-21snmpd23:44:361
254499954,1cyclictest6459-21netstat19:45:181
254499953,2cyclictest1090-21ssh22:16:021
254499953,1cyclictest0-21swapper/119:25:201
254499953,1cyclictest0-21swapper/119:20:151
254499942,2cyclictest703-21snmpd22:55:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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