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2024-11-24 - 08:01

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 100 highest latencies:
System rackfslot4s.osadl.org (updated Sun Nov 24, 2024 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2608621150,2chrt25547-21sendmail-msp19:40:550
1435521130,2chrt14358-21cut22:21:460
3027821100,3chrt30279-21sh21:51:220
2428821080,2chrt24289-21sh22:39:510
2120221070,2chrt21201-21cat19:31:130
1558021030,4chrt15581-21sh00:20:530
226422970,2sleep022643-21rm23:35:010
326802900,2sleep032681-21run-parts23:52:150
132372860,1sleep013238-21latency_hist22:20:090
274332830,2sleep027435-21cut20:45:440
82892820,2sleep08286-21ssh23:08:260
296132820,2sleep029616-21sort20:50:350
1024690765,60cyclictest32099-21python322:53:090
1024690736,58cyclictest26067-21df23:41:160
1024690735,52cyclictest3236-21sendmail-msp20:00:310
10246907310,54cyclictest15325-21sendmail-msp19:20:470
1024690726,46cyclictest13038-21ntpq23:16:430
1024690725,57cyclictest7800-21hddtemp_smartct00:06:300
1024690725,39cyclictest3048-21ntpq21:01:350
10246907211,53cyclictest23501-21sendmail-msp21:41:170
1024690716,53cyclictest8949-21apt-get23:10:200
1024690715,45cyclictest2794-21ntp_states23:57:080
10246907117,44cyclictest6779-21diskmemload23:26:450
10246907114,44cyclictest3236-21sendmail-msp20:00:050
10246907112,51cyclictest3155-21sendmail-msp23:00:170
10246907111,51cyclictest25434-21sendmail-msp23:40:080
1024690709,50cyclictest24536-21apt-get22:40:490
1024690707,54cyclictest25581-21sed19:40:050
1024690706,46cyclictest21194-21df21:35:370
1024690705,56cyclictest4027-21sendmail-msp00:01:050
1024690705,55cyclictest32210-21perl20:55:370
1024690705,53cyclictest12892-21/usr/sbin/munin19:15:330
1024690705,48cyclictest2249-21apt-get22:00:240
1024690705,46cyclictest3135-21munin-run23:00:100
1024690705,46cyclictest15343-21if_eth023:21:410
1024690705,46cyclictest13089-21/usr/sbin/munin00:15:510
1024690705,44cyclictest9499-21ntpq20:10:570
1024690704,55cyclictest6779-21diskmemload22:27:180
1024690704,46cyclictest28649-21ntpq22:46:590
10246907017,44cyclictest6223-21ssh22:06:380
10246907010,51cyclictest12456-21sendmail-msp21:21:110
1024690695,55cyclictest25446-21snmpd21:16:560
1024690695,54cyclictest28714-21/usr/sbin/munin23:45:500
1024690695,54cyclictest22321-21idleruntime20:36:320
1024690695,36cyclictest9087-21ntp_states22:11:490
1024690694,45cyclictest23642-21cat00:35:040
10246906915,45cyclictest25485-21ntp_states20:41:480
1024690686,53cyclictest11297-21ntpq00:12:080
1024690686,51cyclictest31910-21apt-get21:55:240
1024690685,55cyclictest13441-21sendmail-msp20:20:180
1024690685,53cyclictest6943-21/usr/sbin/munin21:10:520
1024690685,52cyclictest16460-21ntpq21:26:220
1024690684,53cyclictest18201-21runrttasks21:30:330
1024690684,46cyclictest25125-21ntpq00:37:020
1024690684,46cyclictest19174-21seq00:26:130
1024690684,45cyclictest15953-21apt-get20:25:130
10246906816,42cyclictest29202-21ntpq19:45:530
1024690677,41cyclictest4704-21df21:05:310
1024690676,52cyclictest19998-21ntp_states20:31:070
1024690675,42cyclictest276812chrt21:46:450
1024690674,54cyclictest20516-21timerandwakeup22:32:190
1024690674,54cyclictest11077-21aten2.4_rfpower20:15:230
10246906715,41cyclictest6048-21telnet20:05:220
1024690669,49cyclictest18129-21telnet19:25:230
1024690664,53cyclictest10664-21sleep19:10:280
10246906513,44cyclictest30829-21/usr/sbin/munin19:50:240
10246906112,41cyclictest10302-21cut19:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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