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2024-11-25 - 14:30

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 792 highest latencies:
System rack5slot7s.osadl.org (updated Mon Nov 25, 2024 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6100224432199,98sleep00-21swapper07:06:580
64879916219,100cyclictest20142-21df_inode08:30:310
64879916119,117cyclictest15227-21apt-get08:00:170
64879916015,101cyclictest14065-21apt-get07:56:050
64879915916,100cyclictest18896-21apt-get11:45:260
64879915819,25cyclictest13371-21apt-get07:50:190
64879915818,115cyclictest26419-21apt-get09:10:310
64879915814,121cyclictest990-21munin-run09:55:010
64879915716,117cyclictest11473-21munin-run11:00:020
64879915713,120cyclictest3614-21df10:10:310
64879915712,26cyclictest7279-21munin-run07:15:030
64879915616,113cyclictest21660-21apt-get08:40:190
64879915521,107cyclictest30879-21diskstats09:35:320
64879915429,106cyclictest27551-21apt-get09:15:170
64879915419,108cyclictest25836-21diskstats09:05:340
64879915416,115cyclictest16517-21df_inode11:30:310
64879915416,113cyclictest23413-21diskstats08:50:330
64879915414,24cyclictest14694-21munin-run11:20:030
64879915413,116cyclictest8434-21munin-run07:20:030
64879915411,26cyclictest26722-21grep12:30:580
64879915411,119cyclictest25193-21ls09:00:460
64879915411,118cyclictest27000-21apt-get12:36:370
6487991539,116cyclictest9455-21df_inode07:25:270
64879915318,24cyclictest24531-21users12:16:080
64879915317,24cyclictest17510-21apt08:15:010
64879915315,113cyclictest8663-21diskstats07:20:320
64879915312,26cyclictest8327-21systemd-journal08:58:310
64879915311,24cyclictest32337-21apt-key09:45:060
64879915310,119cyclictest22096-21sed12:01:030
64879915225,20cyclictest0-21swapper11:20:260
64879915221,30cyclictest20517-21users11:51:160
64879915218,109cyclictest25502-21/usr/sbin/munin12:25:360
64879915217,31cyclictest17928-21ntpq08:15:510
64879915216,22cyclictest22920-21grep08:45:560
64879915213,111cyclictest12570-21/usr/sbin/munin07:46:070
64879915212,115cyclictest5217-21wc10:20:230
64879915210,27cyclictest24971-21cat12:20:490
64879915122,28cyclictest11778-21apt-get07:40:220
64879915116,37cyclictest6850-21df_inode10:30:310
64879915115,22cyclictest21357-21apt12:00:010
64879915113,111cyclictest15606-21/usr/sbin/munin11:25:260
64879915111,115cyclictest7876-21snmpd11:01:080
64879915110,120cyclictest10952-21kworker/u2:007:35:180
64879915110,119cyclictest7876-21snmpd11:41:030
64879914920,26cyclictest22385-21df_inode12:05:300
64879914916,109cyclictest6188-21memory10:25:440
64879914914,27cyclictest9281-21diskstats10:45:350
64879914914,112cyclictest7805-21cat10:35:470
64879914913,113cyclictest19343-21df08:25:280
64879914912,98cyclictest20836-21apt-get08:35:150
64879914912,38cyclictest10443-21ntp_kernel_pll_07:30:490
64879914831,95cyclictest28607-21sort09:20:420
64879914817,27cyclictest2707-21/usr/sbin/munin10:05:490
64879914817,24cyclictest4430-21diskstats10:15:340
64879914817,24cyclictest13880-21munin-run11:15:020
64879914816,109cyclictest1331-21memory09:55:460
64879914815,25cyclictest16018-21/usr/sbin/munin08:05:480
64879914814,39cyclictest10664-21apt10:55:010
64879914814,110cyclictest17916-21munin-run11:40:030
64879914811,37cyclictest2324-21awk10:00:550
64879914811,118cyclictest14721-21kworker/u2:809:46:000
64879914736,21cyclictest18881-21awk08:20:580
64879914715,110cyclictest8478-21df_inode10:40:290
64879914712,39cyclictest29540-21wc09:25:590
6487991469,114cyclictest12386-21/usr/sbin/munin11:05:350
64879914616,28cyclictest23073-21/usr/sbin/munin12:10:250
64879914416,104cyclictest30075-21df09:30:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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