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2024-11-25 - 14:38

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 792 highest latencies:
System rack4slot6s.osadl.org (updated Mon Nov 25, 2024 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
196821520,4chrt1969-21ntpq09:50:160
336921400,3chrt3368-21sed12:00:290
2262821390,4chrt22631-21grep11:10:210
744821320,4chrt7447-21timerwakeupswit10:10:320
260821300,2sleep02609-21sshd11:59:280
1473321230,3sleep014732-21idleruntime10:40:150
1697921040,4sleep016983-21ntp_states08:40:230
312052940,3sleep031204-21interrupts07:30:160
97132935,11sleep09756-21ntp_kernel_pll_10:20:200
54722885,11sleep05413-21/usr/sbin/munin12:10:180
136382860,2sleep013637-21awk10:35:250
53412850,3sleep05345-21ntpq07:55:260
187952847,63sleep018824-21/usr/sbin/munin10:55:250
299762806,62sleep030049-21mailstats09:30:360
2575228021,33sleep025776-21munin-run07:10:010
323352776,57sleep032376-21memory09:40:180
7192750,2sleep0775-21wc11:50:310
87512697,51sleep025266-21snmpd12:21:370
25804996427,14cyclictest6532-21runrttasks10:08:100
25804996421,14cyclictest1317-21if_eth007:40:160
25804996117,15cyclictest22307-21grep09:00:260
129522610,2sleep012950-21interrupts08:25:170
2580499608,19cyclictest19196-21latency_hist08:50:010
25804996013,16cyclictest1130-21sshd09:46:110
2580499599,16cyclictest25899-21/usr/sbin/munin07:10:360
25804995912,18cyclictest4606-21ntpq10:00:210
2580499589,14cyclictest142392sleep008:30:170
2580499586,18cyclictest3004-21/usr/sbin/munin09:55:240
25804995835,15cyclictest27744-21/usr/sbin/munin11:30:220
25804995828,22cyclictest19316-21/usr/sbin/munin08:50:130
25804995811,16cyclictest28372-21df_inode09:25:130
25804995810,17cyclictest30729-21users11:40:290
2580499579,17cyclictest28500-21/usr/sbin/munin07:20:150
2580499579,16cyclictest9292-21/usr/sbin/munin12:25:280
2580499579,16cyclictest23330-21missed_timers09:05:180
2580499579,15cyclictest11526-21/usr/sbin/munin08:20:150
2580499579,14cyclictest27180-21/usr/sbin/munin07:15:320
2580499578,19cyclictest7257-21/usr/sbin/munin12:15:290
2580499578,18cyclictest31417-21/usr/sbin/munin11:45:190
2580499578,17cyclictest16549-21modprobe08:40:010
25804995733,16cyclictest21152-21/usr/sbin/munin11:05:130
25804995733,15cyclictest4170-21/usr/sbin/munin12:05:110
25804995721,13cyclictest29647-21cron07:25:020
25804995711,15cyclictest8235-21users08:05:300
25804995710,15cyclictest20533-21/usr/sbin/munin08:55:250
2580499569,17cyclictest25870-21seq09:15:180
2580499568,16cyclictest26263-21/usr/sbin/munin11:25:160
2580499568,16cyclictest10768-21/usr/sbin/munin10:25:190
2580499568,14cyclictest30925-21chrt09:35:100
2580499567,16cyclictest4056-21chrt07:50:230
2580499567,16cyclictest2525-21/usr/sbin/munin07:45:120
2580499567,15cyclictest7604-21date08:05:020
25804995634,15cyclictest8976-21/usr/sbin/munin08:10:110
25804995633,14cyclictest32571-21runrttasks07:35:240
25804995632,15cyclictest10279-21/usr/sbin/munin08:15:130
25804995610,14cyclictest12152-21ntp_states12:35:250
2580499559,16cyclictest27222-21chrt09:20:180
2580499558,18cyclictest12383-21ntp_states10:30:420
2580499558,16cyclictest23656-21egrep11:15:100
2580499557,15cyclictest17222-21/usr/sbin/munin10:50:190
2580499557,14cyclictest28826-21/usr/sbin/munin11:35:160
25804995532,14cyclictest25305-21/usr/sbin/munin11:20:250
25804995510,16cyclictest10644-21chrt12:30:160
25804995510,15cyclictest15923-21/usr/sbin/munin10:45:190
2580499548,17cyclictest8356-21seq10:15:180
2580499548,14cyclictest20109-21ntp_states11:00:350
2580499547,16cyclictest24427-21/usr/sbin/munin09:10:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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