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2025-05-13 - 15:12

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #4, slot #6

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.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack4slot6s.osadl.org (updated Tue May 13, 2025 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3167221600,3sleep031674-21timerandwakeup10:10:270
527021440,2sleep05271-21/usr/sbin/munin10:35:170
2262121300,5chrt22622-21/usr/sbin/munin07:30:210
170929912321,15cyclictest3911-21df10:30:130
170929912219,15cyclictest10179-21seq08:48:290
17092991219,17cyclictest29888-21ntpq12:10:210
170929912026,14cyclictest269-21runrttasks10:55:140
170929912017,14cyclictest17937-21latency_hist11:25:010
170929911926,14cyclictest18665-21/usr/sbin/munin07:15:200
17092991188,14cyclictest20831-21/usr/sbin/munin09:30:170
170929911827,14cyclictest18617-21/usr/sbin/munin09:20:270
170929911825,17cyclictest5258-21latency_hist08:30:010
17092991178,16cyclictest2334-21/usr/sbin/munin12:30:290
17092991169,15cyclictest24353-21munin-plugin-st11:50:010
17092991169,14cyclictest32715-21ntpq10:15:250
17092991168,16cyclictest25900-21irqstats11:55:170
17092991166,19cyclictest32113-21sendmail-msp12:20:010
17092991158,14cyclictest7728-21/usr/sbin/munin10:45:290
17092991158,14cyclictest25981-21/usr/sbin/munin09:50:290
170929911527,14cyclictest18629-21timerwakeupswit11:25:300
170929911513,22cyclictest26218-21/usr/sbin/munin07:45:300
170929911511,15cyclictest31721-21ps08:05:250
17092991148,15cyclictest14749-21runrttasks09:06:010
170929911427,14cyclictest20013-21/usr/sbin/munin07:20:200
17092991138,17cyclictest1388-21latency_hist08:15:010
170929911327,15cyclictest1946-21runrttasks12:27:550
170929911324,15cyclictest2579-21/usr/sbin/munin10:25:170
170929911320,15cyclictest30381-21/usr/sbin/munin08:00:230
17092991129,20cyclictest29856-21/usr/sbin/munin10:05:330
170929911228,16cyclictest20230-21runrttasks11:32:580
170929911220,15cyclictest10813-21ntpq08:50:320
170929911220,13cyclictest269-21runrttasks12:00:050
17092991118,16cyclictest28713-21cut07:55:000
170929911124,15cyclictest17442-21/usr/sbin/munin07:10:210
170929911120,16cyclictest6627-21cat10:40:180
170929911117,16cyclictest2103-21sshd08:15:420
170929911117,15cyclictest12820-21date11:05:010
170929911112,20cyclictest12071-21ntp_states08:55:250
170929911110,17cyclictest21256-21memory07:25:190
17092991109,16cyclictest27450-21memory09:55:200
17092991109,15cyclictest25266-21snmpd09:03:000
170929911030,15cyclictest22681-21runrttasks11:41:500
170929911028,12cyclictest24963-21tr09:45:210
170929911024,15cyclictest5742-21/usr/sbin/munin08:30:270
170929911024,15cyclictest17028-21forks09:15:160
170929911017,15cyclictest8480-21timerandwakeup08:40:310
170929911011,17cyclictest14162-21/usr/sbin/munin11:10:120
170929911011,16cyclictest24219-21users07:35:310
17092991099,15cyclictest24478-21/usr/sbin/munin11:50:220
17092991099,15cyclictest15663-21/usr/sbin/munin09:10:140
17092991098,18cyclictest6629-21/usr/sbin/munin08:35:300
170929910911,15cyclictest25221-21ntp_states07:40:230
170929910910,16cyclictest28947-21users12:05:300
170929910910,14cyclictest1360-21df_inode10:20:130
17092991088,17cyclictest23281-21munin-run09:40:010
17092991088,16cyclictest12882-21/usr/sbin/munin11:05:210
170929910823,14cyclictest9558-21timerandwakeup10:50:310
170929910822,13cyclictest32648-21mailstats12:20:290
170929910822,13cyclictest3224-21grep08:20:270
170929910820,14cyclictest28572-21/usr/sbin/munin10:00:170
170929910818,15cyclictest20598-21seq11:35:070
170929910810,27cyclictest28832-21df07:55:140
170929910810,17cyclictest23476-21seq09:40:140
17092991078,15cyclictest19729-21runrttasks09:25:180
170929910725,14cyclictest15916-21runrttasks11:15:270
170929910710,17cyclictest4209-21users12:35:340
1709299998,17cyclictest17057-21latency_hist07:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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