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2024-09-11 - 18:20

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #4, slot #6

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 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack4slot6s.osadl.org (updated Wed Sep 11, 2024 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37321400,4chrt369-21df10:40:120
3177021390,4chrt31771-21/usr/sbin/munin10:35:230
1111121380,3chrt11109-21grep11:20:270
2122421280,3chrt21225-21apt-config07:50:050
603221270,3chrt6031-21mailstats08:55:260
72621110,4sleep0727-21ntp_states08:35:250
1958121060,3sleep019642-21grep11:55:030
983821030,4sleep09903-21sendmail_mailst09:10:270
1998821020,3sleep019994-21/usr/sbin/munin07:45:140
210002910,2sleep021001-21latency_hist09:55:010
120212890,3sleep012022-21cut09:20:010
274682880,2sleep027469-21sh10:20:000
992427318,30sleep010004-21mailstats07:05:240
137382670,3sleep013739-21/usr/sbin/munin07:20:200
92902654,50sleep025266-21snmpd09:09:330
10776996428,26cyclictest28213-21/usr/sbin/munin10:20:300
10776996319,15cyclictest30040-21/usr/sbin/munin12:35:180
1077699629,25cyclictest21915-21sshd09:57:020
1077699628,18cyclictest26189-21/usr/sbin/munin12:20:250
1077699617,19cyclictest29248-21/usr/sbin/munin10:25:250
1077699609,16cyclictest23578-21/usr/sbin/munin12:10:280
1077699609,15cyclictest15835-21/usr/sbin/munin11:40:120
1077699608,18cyclictest26683-21chrt08:10:190
10776996033,17cyclictest17930-21/usr/sbin/munin07:35:290
10776996012,16cyclictest14810-21ntp_states11:35:220
10776996010,17cyclictest13339-21systemctl07:20:000
1077699599,18cyclictest22433-21/usr/sbin/munin10:00:150
1077699597,16cyclictest10875-21/usr/sbin/munin07:10:170
10776995925,12cyclictest18994-21wc07:40:240
10776995911,19cyclictest13572-21seq09:25:160
10776995910,19cyclictest3166-21ntpq10:50:180
1077699589,18cyclictest22299-21/usr/sbin/munin12:05:280
1077699589,15cyclictest20163-21/usr/sbin/munin11:55:260
1077699588,18cyclictest22541-21/usr/sbin/munin07:55:240
1077699588,18cyclictest1744-21/usr/sbin/munin08:40:270
1077699588,17cyclictest3027-21/usr/sbin/munin08:45:260
1077699587,18cyclictest4309-21/usr/sbin/munin08:50:110
1077699587,14cyclictest30798-21awk08:25:260
10776995835,16cyclictest29473-21/usr/sbin/munin08:20:250
10776995824,14cyclictest87-21jbd2/mmcblk0p1-08:34:080
10776995811,17cyclictest4472-21ntp_states10:55:240
10776995810,19cyclictest12218-21ntp_kernel_pll_11:25:200
10776995810,16cyclictest27996-21ntpq08:15:220
10776995810,15cyclictest24143-21chrt08:00:210
1077699579,20cyclictest24159-21mailstats10:05:260
1077699579,17cyclictest26258-21latency_hist10:15:020
1077699579,16cyclictest27478-21/usr/sbin/munin12:25:300
1077699579,15cyclictest12323-21sed09:20:190
1077699579,14cyclictest14760-21/usr/sbin/munin09:30:150
1077699578,19cyclictest6787-21grep11:05:110
1077699577,18cyclictest30187-21/usr/sbin/munin10:30:140
10776995733,15cyclictest25202-21/usr/sbin/munin08:05:120
10776995731,16cyclictest6984-21/usr/sbin/munin09:00:130
10776995731,16cyclictest18632-21/usr/sbin/munin09:45:140
10776995718,12cyclictest8483-21systemctl11:10:260
10776995717,13cyclictest108-21systemd-journal11:20:010
10776995711,13cyclictest17270-21/usr/sbin/munin09:40:150
1077699569,16cyclictest15954-21/usr/sbin/munin09:35:280
1077699568,15cyclictest17129-21/usr/sbin/munin11:45:280
1077699568,14cyclictest24871-21/usr/sbin/munin12:15:150
1077699567,15cyclictest16050-21/usr/sbin/munin07:30:270
10776995617,15cyclictest2047-21sendmail_mailtr10:45:270
10776995611,17cyclictest13833-21chrt11:30:290
10776995530,16cyclictest14764-21/usr/sbin/munin07:25:110
1077699547,15cyclictest28819-21runrttasks12:30:120
1077699546,15cyclictest5489-21/usr/sbin/munin11:00:190
1077699538,16cyclictest21286-21ntpq12:00:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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