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2024-04-25 - 05:39

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 all highest latencies:
System rack4slot6s.osadl.org (updated Thu Apr 25, 2024 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1837522440,3sleep018377-21latency_hist23:10:010
1876921990,3sleep018770-21if_eth021:05:170
330121510,4chrt3299-21memory20:05:190
492221400,2sleep04925-21wc20:10:340
21993213820,93sleep022034-21ntpq19:05:200
2907121360,2sleep029073-21sort19:40:030
1360821300,3chrt13609-21/usr/sbin/munin22:50:260
3045021240,3chrt30451-21cut21:50:170
545421000,3sleep05493-21latency_hist22:20:020
253012970,3sleep025343-21mailstats23:35:260
17752950,3sleep01776-21cut20:00:020
317282900,4sleep031792-21/usr/sbin/munin00:00:290
74062869,65sleep07466-21mailstats20:20:300
327142820,2sleep032712-21df00:05:110
2297599629,19cyclictest12143-21/usr/sbin/munin20:40:230
22975996225,28cyclictest23321-21/usr/sbin/munin19:10:200
22975996221,14cyclictest9090-21seq22:33:230
312332604,47sleep031239-21/usr/sbin/munin00:00:000
2297599608,25cyclictest23820-21/usr/sbin/munin21:25:250
2297599608,17cyclictest14568-21/usr/sbin/munin22:55:200
22975996013,15cyclictest3110-21/usr/sbin/munin22:10:150
2297599599,18cyclictest23622-21/usr/sbin/munin23:30:270
2297599599,15cyclictest22988-21systemctl21:20:260
2297599599,14cyclictest21055-21/usr/sbin/munin23:20:310
2297599596,12cyclictest12099-21/usr/sbin/munin22:45:150
22975995936,14cyclictest29178-21/usr/sbin/munin21:45:220
22975995935,14cyclictest2098-21/usr/sbin/munin22:05:270
22975995910,16cyclictest9857-21ntp_states20:30:280
148022590,4sleep014800-21idleruntime20:50:140
2297599588,17cyclictest31544-21/usr/sbin/munin21:55:220
2297599588,16cyclictest726-21/usr/sbin/munin22:00:240
22975995831,17cyclictest17505-21irqstats21:00:180
22975995831,16cyclictest5696-21/usr/sbin/munin00:25:270
22975995815,13cyclictest27440-21/usr/sbin/munin19:30:220
2297599579,15cyclictest7426-21wc22:25:300
2297599579,15cyclictest5566-21/usr/sbin/munin22:20:140
2297599578,17cyclictest10950-21cat20:35:150
2297599577,17cyclictest1819-21/usr/sbin/munin20:00:130
2297599577,14cyclictest29183-21/usr/sbin/munin19:40:090
22975995733,15cyclictest29731-21runrttasks23:53:200
22975995719,14cyclictest15993-21/usr/sbin/munin20:55:330
22975995711,18cyclictest2835-21df_inode00:15:160
22975995711,15cyclictest13431-21/usr/sbin/munin20:45:350
2297599569,16cyclictest16703-21sshd23:02:120
2297599569,15cyclictest27550-21df23:45:110
2297599569,14cyclictest30465-21sshd19:45:140
2297599569,14cyclictest11912-21date22:45:020
2297599568,17cyclictest18674-21wc23:10:180
2297599568,15cyclictest6651-21/usr/sbin/munin00:30:170
2297599568,13cyclictest21114-21ls21:15:020
22975995610,18cyclictest27750-21df21:40:130
22975995610,14cyclictest9472-21/usr/sbin/munin22:35:100
22975995610,14cyclictest20017-21awk23:15:220
2297599558,19cyclictest9130-21sendmail-msp00:40:000
2297599558,19cyclictest26280-21sshd23:40:130
2297599558,15cyclictest25364-21ntp_kernel_err21:30:230
2297599558,15cyclictest25289-21seq19:20:140
22975995529,16cyclictest8718-21/usr/sbin/munin20:25:270
22975995515,13cyclictest26412-21cpu21:35:120
2297599549,15cyclictest22809-21/usr/sbin/munin23:25:270
2297599548,14cyclictest31833-21/usr/sbin/munin19:50:180
2297599547,14cyclictest21739-21awk21:15:290
22975995431,15cyclictest4429-21/usr/sbin/munin00:20:270
22975995410,16cyclictest1354-21cron00:10:010
2297599538,20cyclictest5671-21/usr/sbin/munin20:15:160
2297599538,15cyclictest27064-21cat19:30:020
2297599527,13cyclictest24736-21seq19:18:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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