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2025-01-20 - 20:05

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 Mon Jan 20, 2025 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1546623090,3sleep015467-21cat08:30:290
138321550,4chrt1384-21sshd07:35:140
792221370,4chrt7923-21if_eth008:00:180
2143121350,4chrt21429-21vmstat08:55:300
3116921320,4chrt31166-21sshd12:00:160
26497212221,83sleep026566-21grep07:05:240
2005521030,4sleep020126-21users08:50:250
54792906,10sleep05490-21ntp_states07:50:240
21192907,11sleep02138-21ntp_states12:15:220
113232880,2sleep011324-21date10:35:020
151442850,3sleep015213-21timerwakeupswit10:50:240
313942796,60sleep031400-21df_inode09:40:130
281652793,5sleep00-21swapper09:26:160
2723599629,20cyclictest25423-21ntpq11:35:250
2723599609,16cyclictest1161-21ntp_states09:50:190
27235996011,18cyclictest29223-21/usr/sbin/munin07:15:300
27235995921,11cyclictest5764-21awk12:30:260
27235995910,21cyclictest18312-21sshd11:04:170
2723599589,17cyclictest9098-21sshd08:05:210
2723599589,17cyclictest28427-21/usr/sbin/munin11:50:210
2723599588,18cyclictest26439-21/usr/sbin/munin11:40:170
2723599588,17cyclictest25431-21/usr/sbin/munin09:15:160
2723599588,15cyclictest3908-21/usr/sbin/munin07:45:140
27235995834,15cyclictest29765-21/usr/sbin/munin11:55:100
27235995833,16cyclictest6054-21users10:10:260
2723599579,16cyclictest3986-21/usr/sbin/munin10:00:280
2723599579,16cyclictest16191-21grep10:55:190
2723599579,16cyclictest11552-21/usr/sbin/munin08:15:270
2723599579,15cyclictest635-21df_inode12:10:160
2723599578,17cyclictest28211-21sshd11:49:160
2723599578,15cyclictest6446-21/usr/sbin/munin12:35:320
2723599578,14cyclictest6477-21/usr/sbin/munin07:55:240
2723599577,17cyclictest17551-21/usr/sbin/munin08:40:320
2723599576,18cyclictest6749-21/usr/sbin/munin10:15:200
27235995735,14cyclictest16528-21/usr/sbin/munin08:35:220
27235995733,15cyclictest19356-21runrttasks08:49:340
27235995732,16cyclictest28904-21/usr/sbin/munin09:30:140
27235995711,14cyclictest20530-21/usr/sbin/munin11:15:270
2723599568,17cyclictest24047-21grep11:30:140
2723599568,15cyclictest24141-21/usr/sbin/munin09:10:180
2723599566,16cyclictest30028-21/usr/sbin/munin09:35:260
27235995634,14cyclictest12485-21/usr/sbin/munin08:20:140
27235995633,16cyclictest23057-21latency_hist11:25:020
27235995632,15cyclictest10978-21latency_hist08:15:010
27235995611,17cyclictest2995-21/usr/sbin/munin07:40:400
27235995610,19cyclictest30213-21grep07:20:240
27235995610,15cyclictest19498-21ntp_kernel_pll_11:10:160
2723599559,15cyclictest8256-21memory10:20:170
2723599559,15cyclictest22132-21/usr/sbin/munin09:00:160
27235995531,15cyclictest18703-21runrttasks11:06:350
27235995510,14cyclictest32753-21sshd09:46:170
2723599549,16cyclictest12948-21ntpq10:40:230
2723599549,13cyclictest10054-21/usr/sbin/munin10:30:240
2723599548,16cyclictest13670-21/usr/sbin/munin08:25:140
2723599547,15cyclictest31504-21ntp_states07:25:220
27235995430,16cyclictest32757-21/usr/sbin/munin07:30:240
27235995430,14cyclictest23507-21runrttasks11:28:200
27235995428,16cyclictest27465-21/usr/sbin/munin07:10:160
27235995411,15cyclictest2334-21cat09:55:180
27235995410,16cyclictest279-21sshd09:21:170
27235995330,16cyclictest32625-21runrttasks12:07:460
27235995330,14cyclictest9794-21runrttasks10:28:530
27235995329,15cyclictest4467-21runrttasks12:25:190
27235995329,15cyclictest23851-21runrttasks09:08:450
27235995229,14cyclictest4979-21runrttasks10:07:030
27235995228,16cyclictest13930-21runrttasks10:45:090
27235995211,16cyclictest3527-21processes12:20:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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