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2023-12-03 - 01:52

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 Sat Dec 02, 2023 12:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19914224362196,97sleep00-21swapper07:06:430
203309917219,127cyclictest23510-21apt-get10:51:200
203309916319,115cyclictest2315-21munin-run12:00:040
20330991618,128cyclictest1268-21gzip08:26:050
203309916019,114cyclictest8531-21munin-run12:40:060
203309916010,123cyclictest21662-21apt-get10:41:450
203309915918,23cyclictest26371-21diskstats11:05:480
203309915832,21cyclictest11411-21unixbench_singl09:26:180
203309915818,117cyclictest25719-21munin-run07:40:030
203309915814,120cyclictest26044-21cat07:40:520
203309915716,24cyclictest2341-21apt-get08:36:220
203309915715,23cyclictest15252-21memory09:51:320
203309915712,27cyclictest21565-1kworker/u3:007:21:400
203309915712,120cyclictest17321-21grep10:06:120
203309915618,110cyclictest32343-21apt-get11:40:280
203309915617,115cyclictest6645-21munin-run09:00:030
203309915614,25cyclictest10418-21wc09:21:090
203309915513,118cyclictest30029-21grep11:26:590
203309915512,28cyclictest2010-21ps08:31:030
203309915512,118cyclictest25833-21grep11:01:110
203309915511,119cyclictest22024-21cut07:16:180
203309915510,117cyclictest5929-21apt-get12:26:500
203309915416,25cyclictest30416-21apt-get11:31:460
203309915416,21cyclictest7274-21cat09:01:130
203309915412,118cyclictest17663-21ls10:10:330
203309915319,108cyclictest15992-21apt-get10:00:320
203309915315,97cyclictest24811-21irqstats10:56:000
203309915315,23cyclictest5144-21apt-get08:50:270
203309915315,114cyclictest5302-21df12:20:410
203309915314,24cyclictest23842-21find07:26:120
203309915313,116cyclictest3729-21uname08:40:500
203309915310,121cyclictest13494-21grep09:40:540
203309915219,27cyclictest4696-21users12:11:180
203309915218,26cyclictest19341-21diskstats10:20:470
203309915211,116cyclictest3664-21grep12:06:060
203309915210,26cyclictest23590-21latency_hist10:50:070
203309915210,24cyclictest4964-21grep08:46:130
20330991519,116cyclictest28682-21grep07:55:540
203309915130,20cyclictest29950-1kworker/u3:611:35:290
203309915121,28cyclictest8360-21apt-get09:10:290
203309915117,111cyclictest14706-21munin-run09:50:020
203309915116,109cyclictest32684-21irqstats08:20:480
203309915114,25cyclictest2245-21latency_hist11:55:040
203309915113,23cyclictest4880-21latency_hist12:20:020
20330991509,25cyclictest15501-21systemd-journal11:19:210
203309915029,21cyclictest20435-1kworker/u3:407:50:250
203309915016,94cyclictest21662-21apt-get10:40:040
203309915015,23cyclictest26532-21apt-get07:46:450
203309915014,32cyclictest2537-21df12:00:310
203309915013,112cyclictest7562-21/usr/sbin/munin09:05:200
203309914921,27cyclictest9397-21memory09:15:550
203309914914,110cyclictest28858-21awk11:20:500
203309914912,27cyclictest21203-21latency_hist07:15:080
203309914910,24cyclictest27782-21wc11:15:040
203309914830,19cyclictest0-21swapper08:01:060
203309914820,26cyclictest30189-21df_inode08:05:390
203309914816,39cyclictest32387-21munin-run08:20:050
203309914816,28cyclictest7030-21/usr/sbin/munin12:30:530
203309914816,110cyclictest11701-21diskstats09:30:470
203309914815,26cyclictest30878-21/usr/sbin/munin08:11:120
203309914814,110cyclictest20310-21awk10:26:030
203309914718,105cyclictest24528-21ntp_states07:31:020
203309914717,25cyclictest20831-21apt-get10:30:310
203309914713,36cyclictest18389-21/usr/sbin/munin10:16:130
203309914513,27cyclictest899-21cat11:45:520
203309914512,112cyclictest12797-21awk09:36:100
20330991399,106cyclictest15501-21systemd-journal09:56:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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