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2024-07-27 - 06:40

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 highest latencies:
System rack5slot7s.osadl.org (updated Sat Jul 27, 2024 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17044224482206,99sleep00-21swapper19:09:180
171699916813,112cyclictest4601-21zcat00:25:550
171699916716,127cyclictest30010-21apt-get23:45:230
171699916316,122cyclictest21645-21munin-run19:40:020
171699916116,120cyclictest31705-21memory20:36:320
171699916114,123cyclictest4880-21apt-get00:31:140
171699916112,25cyclictest10189-21gpgv21:45:050
171699915912,121cyclictest10169-21apt-get21:46:260
171699915825,36cyclictest0-21swapper21:10:590
171699915717,24cyclictest21802-21/usr/sbin/munin19:40:130
171699915716,118cyclictest31167-21/usr/sbin/munin20:35:050
171699915712,119cyclictest14840-21/usr/sbin/munin22:10:320
171699915710,27cyclictest12815-1kworker/u3:022:02:000
171699915617,23cyclictest26894-21diskstats23:25:320
171699915616,24cyclictest22880-21diskstats23:00:320
171699915615,117cyclictest19443-21apt22:40:020
171699915614,24cyclictest20261-21munin-plugin-st22:45:000
171699915614,119cyclictest17974-21munin-node19:15:060
171699915538,25cyclictest18065-21/usr/sbin/munin22:30:330
171699915534,23cyclictest20855-21latency_hist19:35:040
171699915521,25cyclictest22792-21apt-get19:45:150
171699915514,116cyclictest24462-21df23:10:260
171699915513,25cyclictest31276-21ls23:50:510
171699915512,118cyclictest1406-21latency_hist20:50:050
171699915510,120cyclictest28009-21cat20:16:170
171699915419,26cyclictest32626-21apt-get00:00:160
171699915417,21cyclictest26105-21diskstats20:05:310
171699915416,115cyclictest22651-21munin-run23:00:020
171699915413,116cyclictest32215-21awk23:55:570
171699915412,116cyclictest19349-21/usr/sbin/munin19:25:420
171699915335,23cyclictest2398-21head00:11:060
171699915319,25cyclictest29079-21munin-run23:40:020
171699915317,24cyclictest25033-21users19:56:080
171699915316,113cyclictest16481-21fw_packets22:20:360
171699915315,25cyclictest16233-21munin-run22:20:000
171699915312,117cyclictest32592-21grep20:40:560
171699915310,26cyclictest27430-21head20:11:040
171699915239,23cyclictest12391-21ntpq21:55:510
171699915219,25cyclictest2521-21/usr/sbin/munin20:55:520
171699915217,25cyclictest25858-21users20:01:090
171699915213,97cyclictest4349-21grep21:06:000
171699915211,99cyclictest29745-21sort23:41:000
171699915211,37cyclictest21123-21sort22:50:050
171699915211,27cyclictest9023-21wc21:35:540
171699915211,117cyclictest14510-21grep22:06:130
171699915210,119cyclictest1685-21cat00:10:020
171699915119,108cyclictest0-21swapper23:05:410
171699915119,103cyclictest23690-21df_inode19:50:300
171699915116,111cyclictest1421-21/usr/sbin/munin20:50:370
171699915110,116cyclictest25849-21cron23:20:000
171699915020,105cyclictest18656-21df19:20:250
171699915019,25cyclictest6261-21apt-get21:20:140
171699915018,29cyclictest17262-21diskstats22:25:350
171699915012,25cyclictest21766-21grep22:51:010
171699915011,113cyclictest29089-21awk20:21:040
171699914917,107cyclictest26746-21latency_hist23:25:050
171699914915,108cyclictest29511-21cat20:25:220
171699914912,112cyclictest3328-21/usr/sbin/munin21:00:490
171699914911,40cyclictest6371-21wc00:36:020
171699914911,113cyclictest18440-21munin-run19:20:030
171699914820,27cyclictest5539-21diskstats21:15:330
171699914815,108cyclictest11298-21apt-get21:50:120
171699914717,23cyclictest7159-21df21:25:280
171699914715,107cyclictest3384-21/usr/sbin/munin00:21:020
171699914711,111cyclictest8294-21awk21:31:110
171699914628,21cyclictest0-21swapper00:15:580
171699914614,29cyclictest27751-21/usr/sbin/munin23:30:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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