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2024-11-22 - 06:00

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #2, 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: 100 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 50 highest latencies:
System rack2slot7s.osadl.org (updated Fri Nov 22, 2024 00:43:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
203780099584,8cyclictest0-21swapper/122:25:531
2037800995538,11cyclictest421-21avahi-daemon23:00:501
2037801995434,16cyclictest2181511-21ssh23:40:022
2037801995434,16cyclictest2181511-21ssh23:40:022
2037801995142,6cyclictest453-21systemd-logind23:20:022
2037801994938,7cyclictest2048310-21systemd-run19:45:022
2037801994933,12cyclictest2058768-21latency_hist20:20:012
2037801994739,4cyclictest0-21swapper/223:31:002
2037801994639,4cyclictest2194359-21lockfile-create00:00:012
2037801994636,6cyclictest2185054-21latency_hist23:45:022
2037801994636,6cyclictest2185054-21latency_hist23:45:022
203780199454,31cyclictest2129943-21ssh22:25:472
2037801994524,18cyclictest2141459-21unixbench_singl22:41:002
2037799994530,12cyclictest2095643-21sendmail21:40:010
203780199442,15cyclictest2067298-21ps20:45:532
2037800994433,6cyclictest0-21swapper/122:15:491
203780199433,8cyclictest2111642-21ssh22:00:542
2037801994333,6cyclictest2157448-21aten_r2power_en23:05:382
203780199432,5cyclictest2071740-21ntpq21:00:522
203780199432,5cyclictest2043219-21ntpq19:25:502
203780199432,17cyclictest2107802-21ssh21:55:472
2037801994318,22cyclictest2162044-21timerwakeupswit23:11:012
2037799994333,7cyclictest2187343-21grep23:50:010
2037799994333,7cyclictest2187343-21grep23:50:010
203780199423,6cyclictest2070171-21ntpq20:55:472
2037801994236,3cyclictest0-21swapper/200:25:432
2037801994234,3cyclictest0-21swapper/221:20:012
203780199422,7cyclictest2122574-21ntpq22:15:512
203780199422,6cyclictest2068714-21ntpq20:50:522
203780199421,9cyclictest2039813-21gltestperf19:15:422
203780199421,13cyclictest2094123-21ssh21:36:382
203780199421,10cyclictest2151183-21ntpq22:55:482
203780199421,10cyclictest2059688-21ntpq20:20:502
2037800994234,5cyclictest2088421-21systemd-run21:30:011
2037799994230,9cyclictest2181481-21cron23:40:010
2037799994230,9cyclictest2181481-21cron23:40:010
203780199418,30cyclictest2196956-21sh00:02:512
203780199418,30cyclictest2196956-21sh00:02:512
203780199413,8cyclictest2086138-21ntpq21:25:542
203780199413,7cyclictest2209178-21ntpq00:20:512
203780199413,6cyclictest2044674-21ntpq19:30:472
2037801994133,5cyclictest2217099-21ssh00:35:012
2037801994129,8cyclictest219547-21cups-browsed22:51:242
203780199412,6cyclictest2052170-21ntpq19:55:492
2037801994121,17cyclictest0-21swapper/200:15:382
203780199411,9cyclictest2073149-21ntpq21:05:482
203780199411,9cyclictest2053701-21ntpq20:00:522
203780199411,9cyclictest2041445-21kernelversion19:20:432
203780199411,15cyclictest2050758-21ntpq19:50:562
203780199411,12cyclictest2172074-21ntpq23:25:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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