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2024-06-13 - 04:14

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 Thu Jun 13, 2024 00:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22079224392201,97sleep00-21swapper19:06:540
224749916313,29cyclictest23805-21latency_hist19:20:080
224749916216,23cyclictest27390-21apt-get19:40:280
224749916212,122cyclictest7940-21apt-get21:01:410
224749916119,29cyclictest26357-21users19:31:130
224749916113,125cyclictest29131-21sort19:50:050
224749916113,125cyclictest22571-21apt-get19:10:210
224749915928,108cyclictest0-21swapper21:20:500
224749915926,23cyclictest9091-21apt-get21:05:150
224749915913,121cyclictest22182-21sort22:25:450
224749915911,124cyclictest5466-21grep20:41:150
224749915828,38cyclictest0-21swapper22:55:050
224749915814,101cyclictest27204-21munin-run19:40:030
224749915811,119cyclictest30177-21wc23:15:030
224749915715,24cyclictest13208-21df21:30:240
224749915711,122cyclictest19015-21sort22:05:460
224749915710,43cyclictest4061-21grep23:51:110
224749915613,118cyclictest15146-21ps21:41:040
224749915612,41cyclictest31558-21sort20:05:040
224749915520,110cyclictest7612-21irqstats00:15:390
224749915516,26cyclictest13008-21apt21:30:010
224749915515,21cyclictest11393-21munin-run21:20:030
224749915514,119cyclictest7068-21head20:51:090
224749915510,40cyclictest16245-21sort21:50:030
224749915510,119cyclictest23748-21apt-get19:21:480
224749915510,101cyclictest30115-21irqstats19:55:410
224749915433,21cyclictest7970-21http21:00:060
224749915423,28cyclictest13907-21apt-get21:35:190
224749915420,29cyclictest28641-21apt-get23:05:260
224749915414,115cyclictest27909-21df23:00:390
224749915413,26cyclictest25323-21gzip19:26:080
224749915412,118cyclictest6270-21wc00:05:590
224749915411,119cyclictest16760-21sendmail_mailqu21:51:040
224749915410,102cyclictest24208-21head22:36:090
224749915334,22cyclictest8147-21apt-get00:21:190
224749915318,111cyclictest27024-21memory22:55:450
224749915315,115cyclictest10193-21df00:30:270
224749915313,27cyclictest29140-21kworker/u2:719:50:050
224749915313,115cyclictest1921-21df23:40:240
224749915311,28cyclictest25937-21sort22:50:040
224749915311,22cyclictest4930-21munin-run00:00:020
224749915219,92cyclictest22876-21df22:30:260
224749915218,26cyclictest9300-21apt-get00:25:240
224749915216,27cyclictest31609-21apt-get20:05:150
224749915216,111cyclictest10058-21irqstats21:10:420
224749915214,112cyclictest20217-21vmstat22:11:160
224749915212,116cyclictest17832-21munin-plugin-st22:00:010
224749915119,23cyclictest32565-21wc23:30:030
224749915118,26cyclictest21057-21munin-run22:20:040
224749915113,28cyclictest1704-21sendmail23:40:010
224749915112,24cyclictest11595-21munin-run00:40:020
224749915021,27cyclictest3218-21apt-get20:30:200
224749915017,28cyclictest5155-21df_inode00:00:300
224749915012,113cyclictest4017-21apt-get20:35:230
224749915011,37cyclictest21809-21sed22:21:090
224749915011,28cyclictest3201-21sort23:46:070
224749915011,119cyclictest31475-21awk23:20:590
224749915011,116cyclictest32711-21awk20:10:530
224749915010,27cyclictest30532-21tr23:15:520
224749914915,107cyclictest2402-21/usr/sbin/munin20:26:070
224749914824,103cyclictest25008-21unixbench_singl22:41:090
224749914819,26cyclictest18055-21df22:00:290
224749914819,102cyclictest6642-21apt-get00:10:200
224749914813,30cyclictest515-21ntp_states23:30:530
224749914714,24cyclictest5740-21df20:45:230
224749914712,109cyclictest1660-21/usr/sbin/munin20:20:210
224749914515,25cyclictest850-21df_inode20:15:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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