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2024-04-20 - 00:47

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 50 highest latencies:
System rack5slot7s.osadl.org (updated Fri Apr 19, 2024 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25682224492191,99sleep00-21swapper07:07:060
260549916243,100cyclictest12211-21missed_timers12:20:510
260549916218,24cyclictest14278-21apt-get09:16:360
260549916216,104cyclictest14596-21apt-get12:35:180
260549916216,102cyclictest18144-21/usr/sbin/munin09:35:520
260549916117,26cyclictest27998-21munin-run07:20:030
260549916117,123cyclictest1168-21apt-get07:56:230
260549916115,121cyclictest24296-21apt-get10:21:460
260549916114,122cyclictest15910-21mailstats09:21:080
260549916113,27cyclictest31328-21/usr/sbin/munin07:40:530
260549916021,29cyclictest31426-21diskstats11:00:450
260549915920,114cyclictest28815-21munin-run07:25:020
260549915914,120cyclictest27331-21tr10:35:500
260549915815,24cyclictest10316-21/usr/sbin/munin12:10:520
260549915814,117cyclictest7577-21apt-get11:56:350
260549915812,120cyclictest6880-21grep08:26:030
260549915811,24cyclictest30503-21df10:55:360
260549915712,27cyclictest22961-21sshd10:05:520
260549915620,109cyclictest23701-21memory10:10:510
260549915617,115cyclictest22560-21apt10:05:010
260549915616,115cyclictest6993-21diskstats11:50:360
260549915613,26cyclictest28912-21/usr/sbin/munin07:25:530
260549915515,38cyclictest30094-21head10:51:080
260549915417,113cyclictest12989-21df12:25:340
260549915416,24cyclictest16548-21ntp_states09:25:530
260549915414,111cyclictest11985-21/usr/sbin/munin09:01:030
260549915413,36cyclictest1142-21awk07:51:120
260549915413,28cyclictest5168-21munin-plugin-st11:40:030
260549915413,117cyclictest11577-21zcat08:55:580
260549915332,101cyclictest14278-21apt-get09:15:040
260549915320,32cyclictest10467-21df08:50:290
260549915314,114cyclictest6084-21sort08:21:090
260549915313,27cyclictest3242-21/usr/sbin/munin08:05:340
260549915227,84cyclictest0-21swapper10:20:040
260549915215,21cyclictest2871-21apt-get11:25:160
260549915214,24cyclictest28984-21ntp_states10:45:540
260549915212,116cyclictest9804-21grep12:05:480
260549915210,44cyclictest30346-21grep07:31:110
260549915210,118cyclictest21714-21sshd09:57:510
26054991519,118cyclictest7947-21/usr/sbin/munin08:35:090
260549915121,28cyclictest8839-21diskstats12:00:410
260549915120,28cyclictest7807-21users08:31:090
260549915117,22cyclictest14471-21munin-run12:35:040
260549915116,105cyclictest32111-21apt-get11:05:150
260549915115,24cyclictest5040-21ntp_states08:15:530
260549915112,36cyclictest2358-21ntpq11:20:530
260549915112,24cyclictest3973-21ntp_offset11:30:510
260549915112,24cyclictest30868-21ps07:35:550
260549915112,115cyclictest25888-21awk10:26:100
260549915039,21cyclictest20644-21processes09:50:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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