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2024-11-24 - 07:56

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #3

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 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: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot3s.osadl.org (updated Sun Nov 24, 2024 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
607820997735,10cyclictest235-21systemd-journal19:45:012
60781399769,17cyclictest620787-21modprobe23:20:010
60782099728,19cyclictest235-21systemd-journal23:20:002
607818997234,34cyclictest615108-21latency_hist21:30:021
607824996755,10cyclictest37-21ksoftirqd/322:15:023
607818996612,13cyclictest622891-40mandb00:00:011
60782499654,54cyclictest610335-21apt-get19:57:383
60782499642,5cyclictest608775-21sshd19:27:323
60782499641,14cyclictest614269-21sshd21:12:293
60782499632,5cyclictest608511-21sshd19:20:293
60782499632,5cyclictest608511-21sshd19:20:293
607818996325,6cyclictest617549-21cat22:15:021
60782499623,4cyclictest622591-21sshd23:54:303
607824996229,29cyclictest272-21dbus-daemon21:20:013
60782499622,16cyclictest1-21systemd20:25:013
60782499622,13cyclictest614047-21munin-run21:10:003
607824996214,42cyclictest616112-21cron21:50:013
607824996214,42cyclictest616112-21cron21:50:003
60782499612,5cyclictest620287-21munin-run23:10:003
60782499612,14cyclictest623057-21latency_hist00:00:033
60782499611,9cyclictest615566-21sshd21:37:293
607818996126,8cyclictest1-21systemd21:50:021
607818996126,8cyclictest1-21systemd21:50:011
60782499602,5cyclictest611472-21munin-run20:20:013
60782499601,6cyclictest613013-21munin-run20:50:003
60782499601,4cyclictest617958-21systemd-run22:25:003
60782499592,6cyclictest618185-21sshd22:29:293
60782499592,5cyclictest619786-21munin-run23:00:013
60782499592,16cyclictest610891-21sshd20:07:293
60782499591,13cyclictest363-21snmpd20:02:503
607820995940,15cyclictest1-21systemd19:15:002
60782499588,46cyclictest615309-21sshd21:31:283
60782499588,46cyclictest615309-21sshd21:31:283
60782499582,5cyclictest363-21snmpd00:08:083
60782499582,5cyclictest363-21snmpd00:08:073
60782499582,4cyclictest624724-21munin-run00:35:003
60782499582,12cyclictest609280-21sshd19:37:333
60782499581,8cyclictest617137-21sshd22:07:563
60782499581,4cyclictest616351-21sshd21:52:533
60782499581,13cyclictest620155-21cat23:05:033
60781899588,15cyclictest620785-21modprobe23:20:001
60782499573,6cyclictest621038-21sshd23:21:293
60782499572,14cyclictest618456-21munin-run22:35:003
60782499571,8cyclictest620764-21sshd23:18:013
60782499571,6cyclictest615054-21sshd21:25:293
60782499571,4cyclictest619204-21sshd22:45:293
607824995714,38cyclictest616-21sendmail-mta19:43:143
607824995630,23cyclictest272-21dbus-daemon23:40:013
60782499562,6cyclictest608019-21munin-run19:15:003
60782499562,5cyclictest615841-21sshd21:41:293
60782499562,5cyclictest363-21snmpd23:47:423
60782499562,5cyclictest363-21snmpd23:47:423
60782499562,4cyclictest621574-21munin-run23:35:003
60782499562,15cyclictest613799-21munin-run21:05:013
60782499561,9cyclictest618688-21sshd22:38:303
60782499561,9cyclictest618688-21sshd22:38:293
60782499561,13cyclictest609811-21sshd19:47:293
60782499552,8cyclictest624983-21munin-run00:40:003
60782499552,8cyclictest624983-21munin-run00:40:003
60782499552,7cyclictest612761-21munin-run20:45:023
60782499552,7cyclictest612761-21munin-run20:45:013
60782499552,7cyclictest608301-21systemd-run19:20:003
60782499552,6cyclictest619464-21sshd22:52:283
60782499552,4cyclictest363-21snmpd20:11:563
60782499552,4cyclictest363-21snmpd20:11:563
60782499552,14cyclictest616600-21sshd21:57:293
60782499551,9cyclictest623910-21sshd00:19:273
60782499551,7cyclictest624169-21sshd00:20:283
60782499551,7cyclictest624169-21sshd00:20:283
60782499551,6cyclictest616908-21munin-run22:05:003
60782499551,6cyclictest616908-21munin-run22:05:003
60782499551,50cyclictest48-21kcompactd023:40:153
60782499551,12cyclictest363-21snmpd19:53:323
60782499543,4cyclictest0-21swapper/300:04:553
60782499541,5cyclictest612435-21sshd20:36:293
607818995421,10cyclictest23-21ksoftirqd/100:30:021
607818995414,7cyclictest131rcu_preempt20:25:011
60781399547,3cyclictest131rcu_preempt00:00:010
60782499533,4cyclictest235-21systemd-journal19:34:303
60782499531,8cyclictest363-21snmpd20:25:183
60782499531,8cyclictest363-21snmpd20:25:183
60782499531,7cyclictest624437-21sshd00:28:293
60782499531,12cyclictest363-21snmpd22:44:583
60782499522,4cyclictest363-21snmpd20:57:463
607818995236,11cyclictest235-21systemd-journal22:50:001
60782499511,5cyclictest623627-21sshd00:10:293
60782499511,11cyclictest363-21snmpd20:52:433
607818995136,11cyclictest1-21systemd22:35:011
607813995137,10cyclictest1-21systemd23:25:000
60782499502,5cyclictest363-21snmpd23:13:353
60782499502,42cyclictest621311-21modprobe23:30:003
60782499491,4cyclictest614801-21sshd21:20:293
60782099496,3cyclictest131rcu_preempt00:00:012
60781399494,40cyclictest624973-21cron00:40:010
60781399494,40cyclictest624973-21cron00:40:000
607813994934,10cyclictest235-21systemd-journal23:50:000
607813994934,10cyclictest235-21systemd-journal23:50:000
60781399493,18cyclictest624691-21sshd00:32:020
60782099483,4cyclictest131rcu_preempt00:30:012
607820994833,11cyclictest1-21systemd20:00:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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