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2024-04-25 - 16:02

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 100 highest latencies:
System rack5slot7s.osadl.org (updated Thu Apr 25, 2024 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7333224402197,98sleep00-21swapper07:06:070
78159916319,119cyclictest10917-21memory07:25:470
78159916117,120cyclictest26512-21irqstats09:00:510
78159916113,24cyclictest27916-21apt-get09:11:390
78159916014,121cyclictest13631-21diskstats11:00:370
78159915916,41cyclictest6953-21apt10:20:010
78159915914,39cyclictest26071-21sendmail09:00:010
78159915912,123cyclictest15810-21apt-get11:17:060
78159915814,25cyclictest14605-21grep07:46:030
78159915814,119cyclictest17003-21cut08:01:110
78159915810,122cyclictest5213-21wc10:06:050
78159915743,23cyclictest22406-21missed_timers08:35:500
78159915718,23cyclictest24085-21ntp_states08:45:510
78159915715,39cyclictest26806-21irqstats12:20:500
78159915711,121cyclictest2925-21apt09:55:020
78159915624,25cyclictest15953-21memory07:55:440
78159915619,26cyclictest30569-21apt09:25:010
78159915616,23cyclictest20070-21munin-run11:40:020
78159915616,113cyclictest3267-21memory09:55:470
78159915514,24cyclictest12170-21apt-get07:36:030
78159915514,115cyclictest21651-21/usr/sbin/munin08:30:480
78159915513,116cyclictest11337-21memory10:45:470
78159915510,120cyclictest18032-21apt08:10:010
78159915416,29cyclictest31764-21munin-node07:15:030
78159915413,117cyclictest24411-21sort12:05:430
78159915318,37cyclictest25267-21apt08:55:010
78159915316,114cyclictest29214-21irqstats09:15:470
78159915315,25cyclictest22483-21munin-run11:55:010
78159915310,26cyclictest9153-21df_inode07:15:480
78159915310,26cyclictest22973-21/usr/sbin/munin08:40:470
78159915219,25cyclictest27531-21df12:25:270
78159915216,30cyclictest11895-21apt-get10:50:160
78159915216,24cyclictest30671-21apt-get09:25:180
78159915216,114cyclictest31785-21ntp_states09:30:550
78159915211,42cyclictest13755-21find07:41:090
78159915211,118cyclictest7382-21awk10:20:510
7815991519,25cyclictest20669-21/usr/sbin/munin08:25:340
78159915119,26cyclictest21099-21diskstats11:45:380
78159915116,47cyclictest18932-21apt-get08:15:190
78159915116,111cyclictest27394-21irqstats09:05:470
78159915115,37cyclictest10122-21memory07:20:470
78159915113,114cyclictest5447-21/usr/sbin/munin10:11:000
78159915112,115cyclictest10856-21cat10:41:050
78159915110,115cyclictest28937-21sort12:35:030
78159915029,21cyclictest8670-21latency_hist10:30:080
78159915028,22cyclictest0-21swapper11:20:300
78159915022,102cyclictest24060-21users12:01:110
78159915021,27cyclictest18426-21users11:26:110
78159915018,25cyclictest13349-21users10:56:070
78159915017,20cyclictest0-21swapper12:17:500
78159915017,19cyclictest0-21swapper10:35:220
78159915016,27cyclictest3854-21/usr/sbin/munin10:01:000
78159915014,113cyclictest22880-21ntpq11:55:510
78159915012,96cyclictest20887-21munin-run11:45:020
7815991499,23cyclictest15380-21/usr/sbin/munin07:51:050
78159914928,22cyclictest700-21cstates09:40:230
78159914917,23cyclictest18675-21df_inode11:30:330
78159914915,26cyclictest11475-21apt-get07:30:170
78159914911,114cyclictest32570-21ntp_kernel_pll_09:35:540
78159914911,114cyclictest25493-21swap12:11:030
78159914820,25cyclictest15812-21munin-run11:15:030
78159914818,27cyclictest14555-21memory11:05:480
78159914816,107cyclictest19860-21df08:20:240
78159914815,30cyclictest29793-21latency_hist12:40:070
78159914812,110cyclictest1714-21awk09:45:480
78159914716,23cyclictest8120-21memory10:25:480
78159914714,24cyclictest18790-21users08:11:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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