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2025-04-02 - 04:19

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 376 highest latencies:
System rack8slot7s.osadl.org (updated Wed Apr 02, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21562991918,1cyclictest55650irq/125-lan23:46:451
21562991918,1cyclictest55650irq/125-lan23:29:491
21562991918,1cyclictest55650irq/125-lan23:15:141
21562991918,1cyclictest55650irq/125-lan23:08:171
21562991918,1cyclictest55650irq/125-lan22:41:561
21562991918,1cyclictest55650irq/125-lan21:50:051
21562991918,1cyclictest55650irq/125-lan21:45:401
21562991918,1cyclictest55650irq/125-lan21:43:451
21562991918,1cyclictest55650irq/125-lan21:30:201
21562991918,1cyclictest55650irq/125-lan21:17:291
21562991918,1cyclictest55650irq/125-lan19:37:261
21562991918,1cyclictest55650irq/125-lan00:37:131
21562991917,1cyclictest55650irq/125-lan23:24:491
21562991917,1cyclictest55650irq/125-lan22:46:331
21562991818,0cyclictest55650irq/125-lan23:56:001
21562991818,0cyclictest55650irq/125-lan23:41:471
21562991818,0cyclictest55650irq/125-lan21:07:571
21562991818,0cyclictest55650irq/125-lan00:26:491
21562991817,1cyclictest55650irq/125-lan23:51:051
21562991817,1cyclictest55650irq/125-lan23:39:141
21562991817,1cyclictest55650irq/125-lan23:34:201
21562991817,1cyclictest55650irq/125-lan23:11:051
21562991817,1cyclictest55650irq/125-lan23:02:531
21562991817,1cyclictest55650irq/125-lan22:55:441
21562991817,1cyclictest55650irq/125-lan22:52:291
21562991817,1cyclictest55650irq/125-lan22:37:261
21562991817,1cyclictest55650irq/125-lan22:28:201
21562991817,1cyclictest55650irq/125-lan22:15:201
21562991817,1cyclictest55650irq/125-lan22:09:151
21562991817,1cyclictest55650irq/125-lan21:58:101
21562991817,1cyclictest55650irq/125-lan21:25:121
21562991817,1cyclictest55650irq/125-lan21:10:451
21562991817,1cyclictest55650irq/125-lan20:39:191
21562991817,1cyclictest55650irq/125-lan20:31:521
21562991817,1cyclictest55650irq/125-lan19:53:381
21562991817,1cyclictest55650irq/125-lan00:22:441
21562991817,1cyclictest55650irq/125-lan00:15:331
21562991817,1cyclictest55650irq/125-lan00:13:101
21562991817,1cyclictest55650irq/125-lan00:06:321
21562991717,0cyclictest55650irq/125-lan21:35:141
21562991716,1cyclictest55650irq/125-lan22:30:151
21562991716,1cyclictest55650irq/125-lan22:20:041
21562991716,1cyclictest55650irq/125-lan22:14:261
21562991716,1cyclictest55650irq/125-lan22:04:081
21562991716,1cyclictest55650irq/125-lan21:02:001
21562991716,1cyclictest55650irq/125-lan20:50:251
21562991716,1cyclictest55650irq/125-lan20:49:151
21562991716,1cyclictest55650irq/125-lan20:14:551
21562991716,1cyclictest55650irq/125-lan19:25:461
21562991716,1cyclictest55650irq/125-lan19:10:291
21562991716,1cyclictest55650irq/125-lan00:30:221
21562991716,1cyclictest55650irq/125-lan00:02:401
21562991715,1cyclictest55650irq/125-lan21:22:021
21562991616,0cyclictest55650irq/125-lan20:24:311
21562991616,0cyclictest55650irq/125-lan19:15:041
21562991615,1cyclictest55650irq/125-lan20:58:521
21562991615,1cyclictest55650irq/125-lan20:40:171
21562991615,1cyclictest55650irq/125-lan20:17:031
21562991615,1cyclictest55650irq/125-lan20:00:181
21562991615,1cyclictest55650irq/125-lan19:57:141
21562991615,1cyclictest55650irq/125-lan19:41:421
21562991615,1cyclictest55650irq/125-lan19:30:161
21562991615,1cyclictest55650irq/125-lan19:20:131
21562991614,1cyclictest55650irq/125-lan20:26:201
21558991515,0cyclictest294-21hwrng21:01:140
21558991515,0cyclictest294-21hwrng19:44:260
21558991515,0cyclictest294-21hwrng19:22:550
21562991413,1cyclictest55650irq/125-lan19:45:171
21558991414,0cyclictest294-21hwrng21:25:480
21558991414,0cyclictest294-21hwrng19:31:070
21558991313,0cyclictest294-21hwrng23:12:180
21558991313,0cyclictest294-21hwrng22:28:170
21558991313,0cyclictest294-21hwrng00:11:410
2155899121,5cyclictest20697-21awk23:20:000
21558991212,0cyclictest294-21hwrng22:50:470
21558991212,0cyclictest294-21hwrng22:39:320
21558991212,0cyclictest294-21hwrng20:48:560
21562991110,1cyclictest55650irq/125-lan20:09:361
21558991111,0cyclictest294-21hwrng21:58:350
21558991111,0cyclictest294-21hwrng21:51:250
21558991111,0cyclictest294-21hwrng00:07:350
2155899101,4cyclictest8536-21sed23:40:190
2155899101,3cyclictest2659-21df_inode23:35:140
2155899101,3cyclictest26474-21gcc00:00:200
2155899101,3cyclictest10915-21ntpq20:10:150
2155899101,3cyclictest0-21swapper/021:35:180
21558991010,0cyclictest294-21hwrng23:55:190
21558991010,0cyclictest294-21hwrng21:21:420
2155899100,4cyclictest22100-21cat19:10:150
215589998,1cyclictest703-21snmpd23:29:120
215589998,1cyclictest703-21snmpd19:50:260
215589998,1cyclictest703-21snmpd19:47:420
215589998,1cyclictest19151-21ntp_kernel_pll_20:35:160
215589997,1cyclictest703-21snmpd21:12:120
215589997,1cyclictest703-21snmpd20:41:490
215589996,3cyclictest703-21snmpd22:22:350
215589994,1cyclictest16-21ksoftirqd/020:15:430
215589993,1cyclictest171ktimers/021:05:180
215589992,2cyclictest27264-21ntpq22:15:170
215589992,2cyclictest171ktimers/022:55:170
215589992,2cyclictest171ktimers/022:00:110
215589992,2cyclictest171ktimers/000:35:150
215589992,1cyclictest171ktimers/022:40:170
215589991,5cyclictest17986-21ntpq00:30:180
215589991,4cyclictest30432-21sed23:30:100
215589991,3cyclictest8478-21ld20:00:180
215589991,3cyclictest4870-21sed21:15:210
215589991,3cyclictest27540-21ntpq21:40:170
215589991,3cyclictest24629-21ld20:50:240
215589991,3cyclictest21042-21sed23:19:590
215589991,2cyclictest12718-21ssh00:23:260
215589990,4cyclictest5989-21ld00:15:190
215589990,4cyclictest31477-21ntp_states19:35:180
215589990,4cyclictest27760-21ld19:25:170
215589990,4cyclictest26119-21cat20:55:140
215589990,4cyclictest14254-21cat20:20:160
215589990,3cyclictest3370-21ssh23:00:140
215589988,0cyclictest294-21hwrng22:45:400
215589987,1cyclictest703-21snmpd20:25:170
215589985,2cyclictest703-21snmpd23:05:580
215589982,6cyclictest171ktimers/022:30:130
215589982,2cyclictest171ktimers/023:50:100
215589982,1cyclictest171ktimers/021:30:170
215589981,2cyclictest171ktimers/000:27:480
215589981,2cyclictest13619-21ssh23:47:110
215589981,1cyclictest22000-21if_err_lan22:10:100
215589980,5cyclictest24131-21ntpq19:15:160
215589980,3cyclictest5966-21cat19:55:150
215589971,4cyclictest17737-21ssh22:05:010
215589970,2cyclictest429-21sh21:46:510
215589950,3cyclictest16-21ksoftirqd/020:05:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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