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2023-12-04 - 07:35

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, 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.

Total number of samples: 50.5 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 100 highest latencies:
System rack5slot7s.osadl.org (updated Mon Dec 04, 2023 00:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13136224462204,84sleep00-21swapper19:06:480
135449916414,126cyclictest15360-21/usr/sbin/munin23:00:050
135449916117,24cyclictest16940-21users23:06:190
135449916018,118cyclictest9123-21apt-get22:21:290
135449915936,22cyclictest24199-21grep23:56:060
135449915916,118cyclictest14354-21munin-node19:15:070
135449915914,123cyclictest26487-21munin-run00:20:030
135449915819,25cyclictest18587-21apt-get23:21:230
135449915817,117cyclictest2791-21munin-run21:20:030
135449915817,116cyclictest5302-21users21:36:210
135449915722,27cyclictest14776-21apt-get19:15:410
135449915721,108cyclictest12695-21apt-get22:40:290
135449915711,120cyclictest7882-21grep22:01:070
135449915611,120cyclictest28597-21apt-get20:41:580
135449915518,38cyclictest19977-21memory23:26:000
135449915514,117cyclictest29960-21memory20:46:000
135449915421,112cyclictest26867-1kworker/u3:020:36:450
135449915418,110cyclictest18591-21munin-run23:20:030
135449915418,109cyclictest21331-21diskstats19:55:440
135449915413,31cyclictest18825-21/usr/sbin/munin19:41:180
135449915412,118cyclictest23067-21wc23:50:060
135449915411,120cyclictest27482-21sort00:30:040
135449915315,37cyclictest16629-21grep19:25:500
135449915315,24cyclictest6248-21cat21:45:060
135449915312,103cyclictest8388-21df22:10:330
13544991529,118cyclictest4625-21wc21:35:060
13544991529,101cyclictest14106-21grep22:50:590
135449915220,24cyclictest10377-21df22:25:420
135449915217,27cyclictest22950-21diskstats20:05:440
135449915217,26cyclictest11868-21/usr/sbin/munin22:35:560
135449915213,94cyclictest9097-21sshd22:18:210
135449915213,114cyclictest21645-21ntp_states23:36:010
135449915211,24cyclictest11769-21munin-run22:35:020
135449915211,117cyclictest8183-21latency_hist22:10:010
13544991519,39cyclictest914-21awk21:06:040
135449915125,33cyclictest0-21swapper20:31:100
135449915121,29cyclictest23200-21diskstats23:50:410
135449915117,24cyclictest21230-21apt23:35:000
135449915117,23cyclictest20729-21grep19:51:010
135449915116,22cyclictest18708-21munin-run19:40:020
135449915112,24cyclictest25702-21sort00:15:040
135449915112,116cyclictest20247-21grep19:46:110
135449915111,25cyclictest3508-21awk21:26:040
135449915016,110cyclictest16138-21users23:01:170
135449915015,37cyclictest31593-21tr20:55:550
135449915013,39cyclictest32550-21awk21:01:060
135449915011,27cyclictest27803-21sort00:31:030
135449914917,29cyclictest22284-21memory20:00:560
135449914912,24cyclictest1868-21grep21:11:140
135449914818,106cyclictest17183-21df23:10:370
13544991479,25cyclictest2986-21ls21:25:040
135449914717,108cyclictest25963-21munin-run20:25:020
135449914713,26cyclictest23632-21/usr/sbin/munin20:10:300
135449914618,25cyclictest24674-21memory20:15:520
135449914616,24cyclictest30625-21diskstats20:50:420
135449914611,110cyclictest25437-21ls00:06:110
135449914518,24cyclictest6505-21df_inode21:50:330
135449914517,25cyclictest15714-21df19:20:330
135449914425,20cyclictest0-21swapper22:45:160
135449914412,27cyclictest22770-21grep23:41:170
135449914328,22cyclictest0-21swapper20:25:360
135449914319,25cyclictest17318-21diskstats19:30:410
135449914315,24cyclictest24714-21sshd00:01:210
135449914310,25cyclictest26622-21modprobe00:25:010
135449914118,23cyclictest6296-21munin-run21:50:010
135449914113,27cyclictest28342-21sshd00:38:200
13544991409,21cyclictest7234-21munin-plugin-st22:00:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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