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2024-04-26 - 15:06

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 376 highest latencies:
System rack5slot7s.osadl.org (updated Fri Apr 26, 2024 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21467224532192,209sleep00-21swapper07:08:540
216399916416,124cyclictest4845-21apt08:45:020
216399916414,123cyclictest2065-21latency_hist08:25:040
216399916316,56cyclictest25309-21ntpq10:46:020
216399916315,23cyclictest10137-21memory12:30:480
216399916214,25cyclictest20747-21/usr/sbin/munin10:20:490
216399916037,23cyclictest19583-21apt-get10:17:040
216399916016,120cyclictest15781-21diskstats09:50:340
216399915916,120cyclictest6099-21diskstats08:50:500
216399915915,119cyclictest4915-21apt-get11:57:080
216399915911,26cyclictest23772-21sed10:36:110
216399915818,97cyclictest23958-21apt-get10:40:220
216399915818,41cyclictest1008-21munin-run08:20:030
216399915816,28cyclictest21786-21memory10:25:450
216399915815,24cyclictest10270-21memory09:15:480
216399915717,115cyclictest2992-21apt-get08:36:340
216399915711,125cyclictest23883-21uname07:20:410
216399915617,25cyclictest9133-21apt09:10:010
216399915616,115cyclictest22472-21munin-node07:15:080
216399915615,101cyclictest8009-21grep09:00:550
216399915613,100cyclictest30174-21wc11:15:570
216399915513,102cyclictest26033-21memory10:50:470
216399915511,25cyclictest32135-21apt-get11:31:550
21639991548,123cyclictest26090-21/usr/sbin/munin07:36:120
216399915411,120cyclictest2851-21find11:45:590
216399915322,101cyclictest29010-21apt-get11:10:230
216399915320,105cyclictest12457-21apt-get09:30:230
216399915315,116cyclictest27613-21apt-get07:46:020
216399915313,23cyclictest5194-21diskstats12:00:440
216399915313,115cyclictest25196-21munin-run07:30:010
216399915218,110cyclictest10797-21df_inode12:35:290
216399915216,25cyclictest30459-21df08:00:260
216399915215,25cyclictest32060-21diskstats08:10:310
216399915215,113cyclictest15048-21irqstats09:45:420
216399915214,42cyclictest29743-21latency07:55:440
216399915212,27cyclictest19534-21sed10:11:050
216399915211,117cyclictest8379-21cstates12:20:250
216399915211,116cyclictest22342-21/usr/sbin/munin10:30:510
21639991519,119cyclictest12116-21cut09:26:030
216399915122,108cyclictest2286-21apt-get08:30:130
216399915118,27cyclictest1509-21munin-run11:40:030
216399915118,108cyclictest31252-21df08:05:240
216399915116,26cyclictest27296-21munin-run11:00:020
216399915116,111cyclictest6915-21memory12:10:480
216399915115,24cyclictest11305-21plymouth09:21:040
216399915113,26cyclictest13537-21grep09:35:550
216399915110,118cyclictest9099-21/usr/sbin/munin12:25:100
21639991509,99cyclictest29108-21wc07:51:040
216399915031,22cyclictest3848-21grep11:51:110
216399915020,29cyclictest7582-21diskstats12:15:340
216399915017,109cyclictest1868-21memory11:40:480
216399915015,28cyclictest18089-21/usr/sbin/munin10:06:140
216399915013,111cyclictest31438-21/usr/sbin/munin11:25:550
216399915012,114cyclictest25580-21sshd07:30:490
216399915011,24cyclictest22374-21sed07:11:110
216399915010,117cyclictest5370-21sendmail_mailqu08:45:570
216399914920,27cyclictest27615-21munin-run07:45:020
216399914917,107cyclictest16574-21df_inode09:55:270
216399914911,113cyclictest14129-21/usr/sbin/munin09:40:230
216399914831,101cyclictest3754-1kworker/u3:708:55:150
216399914821,100cyclictest28452-21memory11:05:480
216399914820,28cyclictest9335-21df09:10:270
216399914815,28cyclictest17293-21/usr/sbin/munin10:00:470
216399914814,110cyclictest30835-21cut11:20:410
216399914613,107cyclictest5881-21apt-get12:05:190
216399914415,103cyclictest27416-21apt-get11:00:180
216399913814,99cyclictest2255-21latency_hist08:30:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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