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2023-12-04 - 07:04

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, 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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot6s.osadl.org (updated Mon Dec 04, 2023 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
190732121110,6sleep00-21swapper/019:08:220
191002114103,6sleep20-21swapper/219:08:442
19181211185,20sleep10-21swapper/119:09:471
18923210695,6sleep30-21swapper/319:06:303
224692750,0sleep0101ktimersoftd/019:15:300
325962230,1sleep0101ktimersoftd/000:15:180
139102220,0sleep00-21swapper/021:40:210
1922499200,15cyclictest0-21swapper/023:16:040
1922499200,15cyclictest0-21swapper/020:13:050
1922499190,17cyclictest0-21swapper/020:15:180
1922499190,14cyclictest0-21swapper/023:43:040
1922499190,14cyclictest0-21swapper/021:20:040
1922499190,14cyclictest0-21swapper/021:08:040
19226991815,2cyclictest9733-21kworker/u8:021:43:042
19226991815,2cyclictest25308-21kworker/u8:200:04:042
19226991815,2cyclictest19414-21kworker/u8:120:51:042
19226991815,2cyclictest15070-21kworker/u8:319:39:052
19226991815,2cyclictest15070-21kworker/u8:319:28:042
19226991714,2cyclictest6842-21kworker/u8:220:25:042
19226991714,2cyclictest6842-21kworker/u8:220:20:052
19226991714,2cyclictest4353-21kworker/u8:223:08:052
19226991714,2cyclictest32125-21kworker/u8:122:52:052
19226991714,2cyclictest29414-21kworker/u8:020:59:042
19226991714,2cyclictest28094-21kworker/u8:023:19:042
19226991714,2cyclictest28094-21kworker/u8:022:34:042
19226991714,2cyclictest24229-21kworker/u8:222:23:042
19226991714,2cyclictest16133-21kworker/u8:223:39:042
1922499170,2cyclictest0-21swapper/023:37:040
1922499170,2cyclictest0-21swapper/019:33:040
1922499170,16cyclictest0-21swapper/019:35:050
1922799161,3cyclictest7174-21sort00:40:003
1922799161,3cyclictest0-21swapper/320:00:253
1922799161,13cyclictest19451-21apt-get19:10:193
19226991613,2cyclictest31744-21kworker/u8:100:32:042
19226991613,2cyclictest31744-21kworker/u8:100:14:042
19226991613,2cyclictest28094-21kworker/u8:023:12:042
19226991613,2cyclictest28094-21kworker/u8:022:46:042
19226991613,2cyclictest25308-21kworker/u8:223:58:042
19226991613,2cyclictest25308-21kworker/u8:223:52:052
19226991613,2cyclictest25308-21kworker/u8:200:17:052
19226991613,2cyclictest20662-21kworker/u8:123:42:042
19226991613,2cyclictest18386-21kworker/u8:222:06:042
19226991613,2cyclictest18386-21kworker/u8:221:59:042
19226991613,2cyclictest16133-21kworker/u8:223:29:042
19226991613,2cyclictest15070-21kworker/u8:319:22:052
1922699160,14cyclictest0-21swapper/219:17:042
1922599161,13cyclictest26071-21apt-get22:25:171
1922499160,8cyclictest0-21swapper/021:26:050
1922499160,15cyclictest0-21swapper/023:54:040
1922499160,15cyclictest0-21swapper/022:53:040
1922499160,15cyclictest0-21swapper/019:53:040
1922499160,15cyclictest0-21swapper/019:45:050
1922499160,15cyclictest0-21swapper/019:45:040
1922799151,3cyclictest21651-21munin-node3
1922799151,3cyclictest16741-21egrep23:25:183
1922799151,12cyclictest0-21swapper/322:00:003
1922699151,3cyclictest10625-21cut21:30:282
19226991512,2cyclictest8937-21kworker/u8:120:14:042
19226991512,2cyclictest6314-21kworker/u8:200:37:042
19226991512,2cyclictest25308-21kworker/u8:200:23:042
19226991512,2cyclictest24018-21kworker/u8:023:45:042
19226991512,2cyclictest24018-21kworker/u8:023:45:042
1922699150,3cyclictest21666-21fschecks_count20:35:232
19225991512,2cyclictest0-21swapper/120:35:201
1922599150,3cyclictest0-21swapper/123:25:181
1922599150,13cyclictest0-21swapper/119:45:191
1922599150,13cyclictest0-21swapper/119:45:191
19224991512,2cyclictest0-21swapper/022:40:420
1922499150,2cyclictest0-21swapper/019:43:040
1922499150,2cyclictest0-21swapper/000:27:040
1922499150,14cyclictest0-21swapper/020:58:040
1922799141,3cyclictest0-21swapper/320:15:233
19227991411,2cyclictest0-21swapper/323:15:473
1922799140,13cyclictest0-21swapper/322:35:223
1922699141,12cyclictest0-21swapper/219:55:292
19226991410,2cyclictest0-21swapper/222:45:012
1922699140,2cyclictest0-21swapper/220:15:042
1922699140,13cyclictest0-21swapper/222:10:042
1922699140,13cyclictest0-21swapper/221:10:252
1922699140,13cyclictest0-21swapper/220:00:042
1922699140,12cyclictest0-21swapper/221:27:042
19225991411,2cyclictest19961-21smart_sda22:00:281
19225991411,2cyclictest0-21swapper/119:25:341
1922599140,3cyclictest13888-21iostat20:15:231
19224991410,2cyclictest20368-21cat23:35:000
1922499140,2cyclictest0-21swapper/022:32:050
1922499140,2cyclictest0-21swapper/022:20:040
1922499140,2cyclictest0-21swapper/021:50:240
1922499140,2cyclictest0-21swapper/020:03:040
1922499140,13cyclictest0-21swapper/020:35:050
1922499140,12cyclictest5130-21munin-node0
1922499140,11cyclictest0-21swapper/021:58:040
1922499140,10cyclictest0-21swapper/021:00:050
92812130,3sleep19480-21tr20:05:201
19227991310,2cyclictest0-21swapper/322:00:213
19227991310,2cyclictest0-21swapper/321:20:083
19227991310,2cyclictest0-21swapper/320:50:263
19227991310,2cyclictest0-21swapper/320:45:273
19227991310,2cyclictest0-21swapper/320:20:203
19227991310,2cyclictest0-21swapper/319:30:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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