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2025-02-11 - 06:38

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 Tue Feb 11, 2025 00:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18751224292185,98sleep00-21swapper19:07:090
191189916621,118cyclictest7341-21memory21:10:490
191189916316,40cyclictest2933-21apt-get20:45:260
191189916217,118cyclictest2225-21munin-run00:40:030
191189916214,120cyclictest31120-21/usr/sbin/munin20:20:130
191189916019,26cyclictest28961-21ntp_states20:05:520
191189916017,96cyclictest31186-21/usr/sbin/munin00:15:130
191189916016,103cyclictest24230-21munin-run23:20:010
19118991599,126cyclictest29339-21munin-run00:00:010
191189915917,37cyclictest21064-21munin-run19:20:020
191189915835,24cyclictest27666-21latency_hist23:45:040
191189915712,28cyclictest8327-21systemd-journal00:20:120
191189915619,33cyclictest21160-21memory22:55:530
191189915616,24cyclictest21745-21apt-get23:00:190
191189915616,115cyclictest19784-21apt-get22:51:080
191189915612,119cyclictest18867-21sort22:40:050
191189915610,119cyclictest25487-21tr19:45:510
191189915518,32cyclictest17573-21memory22:30:420
191189915517,113cyclictest385-21apt-get00:31:230
191189915514,25cyclictest1937-21munin-run20:40:020
191189915513,26cyclictest19440-21sort19:10:430
191189915513,119cyclictest30222-21wc20:15:050
191189915438,23cyclictest28447-21unixbench_singl23:51:030
191189915415,116cyclictest2752-21munin-run20:45:020
191189915415,115cyclictest26873-21apt-get19:55:180
191189915413,42cyclictest22348-21wc19:25:550
191189915411,119cyclictest31038-21/usr/sbin/munin00:11:010
191189915330,104cyclictest1080-21sed20:31:070
191189915314,28cyclictest25893-21grep23:31:000
191189915314,22cyclictest22668-21apt-get23:10:160
191189915311,24cyclictest8145-21grep21:15:470
191189915240,22cyclictest24420-21cstates23:20:250
191189915235,21cyclictest8327-21systemd-journal20:57:130
191189915217,111cyclictest26697-21munin-run19:55:020
191189915217,110cyclictest11167-21munin-run21:40:020
191189915214,26cyclictest25177-21munin-plugin-st23:30:010
191189915214,24cyclictest30831-21wc20:16:040
191189915213,118cyclictest14759-21kworker/u2:022:10:060
191189915212,116cyclictest8327-21systemd-journal21:57:130
19118991519,117cyclictest397-21http00:30:040
191189915139,90cyclictest30072-21unixbench_singl00:01:080
191189915119,27cyclictest6410-21df_inode21:05:330
191189915117,36cyclictest16505-21df22:20:270
191189915117,23cyclictest16280-21munin-run22:20:020
191189915116,24cyclictest32099-21apt-get20:25:130
191189915113,22cyclictest12212-21apt-get21:50:120
191189915113,113cyclictest12112-21munin-run21:50:010
191189915112,97cyclictest6180-21sshd21:03:130
191189915112,38cyclictest24268-21cron19:40:040
191189915111,24cyclictest21731-21sort19:21:010
191189915015,106cyclictest11287-21apt-get21:40:170
191189915012,26cyclictest23213-21sendmail_mailqu19:31:010
191189915012,114cyclictest4255-21processes20:51:050
191189915011,50cyclictest26693-21head23:36:060
191189915010,116cyclictest24816-21ps19:40:570
191189914919,20cyclictest19786-21munin-run22:50:050
191189914820,21cyclictest0-21swapper22:40:220
191189914816,23cyclictest8731-21/usr/sbin/munin21:20:550
191189914816,107cyclictest13835-21/usr/sbin/munin22:00:430
191189914718,25cyclictest22566-21apt23:10:010
191189914712,23cyclictest9656-21/usr/sbin/munin21:30:340
191189914618,103cyclictest28093-21memory20:00:510
191189914518,24cyclictest27806-21cat23:50:050
191189914411,28cyclictest14669-21latency_hist22:10:040
191189914314,110cyclictest17225-21apt22:30:010
191189914211,22cyclictest8327-21systemd-journal21:29:120
191189913921,23cyclictest30286-21munin-run00:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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