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2024-07-27 - 03:09

OSADL QA Farm on Real-time of Mainline Linux

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

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: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackfslot4s.osadl.org (updated Fri Jul 26, 2024 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1444921230,4chrt14445-21ntpq08:10:590
31821150,2sleep0320-21cpu10:45:350
1634321120,2chrt16333-21ntpq12:11:280
1769021100,2sleep017692-21latency_hist07:15:050
1408521090,2sleep014086-21sh09:14:250
464921060,3chrt4650-21cat11:50:580
2359921020,2chrt23600-21sleep08:29:550
324652990,2chrt32466-21sleep07:42:370
41722980,2sleep04174-21cut08:55:250
13322900,2sleep01333-21basename08:50:000
294982890,2sleep029504-21cut08:40:410
284632780,2sleep028465-21processes10:37:130
281552780,2sleep028156-21sh11:35:140
1509990759,47cyclictest19316-21apt-get11:21:430
86612740,2sleep08659-21df08:00:270
1509990746,57cyclictest32352-21ntp_states11:42:000
184242730,2sleep018425-21apt-config08:20:070
1509990736,57cyclictest17088-21diskstats11:15:470
1509990736,46cyclictest8926-21hddtemp_smartct11:00:550
1509990735,59cyclictest19001-21ssh12:16:130
1509990727,52cyclictest23053-21apt-get07:25:170
1509990726,55cyclictest15304-21runrttasks11:11:550
1509990726,53cyclictest20535-21apt-get07:20:200
1509990725,59cyclictest15103-21sshd10:13:210
1509990725,55cyclictest19107-21perl10:20:500
1509990724,57cyclictest26810-21ssh11:32:040
1509990724,48cyclictest26394-21fw_packets09:35:520
1509990724,48cyclictest21687-21sleep12:21:100
1509990716,56cyclictest11471-21diskmemload09:27:300
1509990716,55cyclictest893-21runrttasks09:15:200
1509990716,55cyclictest12090-21ssh11:06:070
1509990715,57cyclictest27517-21runrttasks12:31:350
1509990715,57cyclictest18798-21sleep08:20:250
1509990713,59cyclictest1908-21sleep11:45:580
15099907116,44cyclictest28441-21kworker/u2:009:43:460
15099907112,51cyclictest6793-21apt-get11:55:240
1509990706,53cyclictest1902-21apt-get09:50:150
1509990706,47cyclictest18428-21munin-run10:20:040
1509990705,55cyclictest6572-21apt-get09:00:240
1509990705,55cyclictest18466-21df07:16:190
1509990705,46cyclictest11420-21ntpq10:06:270
1509990704,56cyclictest7297-21munin-run10:00:020
1509990704,56cyclictest31978-21diskstats09:45:460
1509990704,56cyclictest23375-21ssh11:26:410
1509990704,46cyclictest30258-21hddtemp_smartct10:40:520
1509990704,46cyclictest27477-21ntpq08:36:120
1509990704,46cyclictest23001-21python310:27:140
1509990703,56cyclictest9595-21/usr/sbin/munin12:02:200
29412690,2sleep02942-21basename10:50:330
1509990695,56cyclictest22740-21apt-get09:30:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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