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2025-05-09 - 05:43

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #2, slot #7

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack2slot7s.osadl.org (updated Fri May 09, 2025 00:41:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1595908994636,6cyclictest1683613-21munin-plugin-st22:25:012
1595907994637,5cyclictest1726150-21cpuspeed23:27:191
1595908994434,6cyclictest1640558-21gltestperf21:22:192
1595907994335,5cyclictest1673347-21ssh22:10:011
1595907994335,5cyclictest0-21swapper/121:40:011
1595907994334,6cyclictest1754140-21mailstats00:07:321
1595907994334,6cyclictest1-21systemd00:00:021
1595907994232,6cyclictest1741914-21systemd-run23:50:011
1595908994132,6cyclictest1748868-21cups-browsed00:32:212
1595908994132,5cyclictest1731651-21systemd-run23:35:022
1595908994130,8cyclictest266-21systemd-journal22:08:292
1595907994133,5cyclictest1649417-21grep21:35:011
1595907994133,5cyclictest1649417-21grep21:35:011
1595907994132,6cyclictest1668699-21threads22:02:371
1595908994033,3cyclictest0-21swapper/200:00:012
1595908994032,5cyclictest4093548-21cups-browsed21:28:542
1595908994030,7cyclictest1693862-21ssh22:40:022
1595907994032,5cyclictest1666491-21idleruntime-cro22:00:011
1595907994032,5cyclictest1-21systemd19:35:011
1595907994032,5cyclictest1-21systemd19:35:011
1595907994029,8cyclictest1719597-21ntpq23:17:211
1595908993931,5cyclictest1664518-21fschecks_count21:57:212
1595908993931,5cyclictest1630369-21idleruntime-cro21:05:012
1595908993931,5cyclictest1616939-21latency_hist20:20:022
1595908993930,6cyclictest1728179-21cron23:30:012
1595907993931,5cyclictest1635572-21munin-plugin-st21:15:011
1595907993931,5cyclictest1616888-21munin-run20:20:011
1595907993930,6cyclictest0-21swapper/121:50:011
1595907993929,7cyclictest4093548-21cups-browsed23:12:231
1595906993933,3cyclictest0-21swapper/000:00:010
1595908993830,5cyclictest1-21systemd23:05:012
1595908993828,8cyclictest422-21dbus-daemon23:20:022
1595907993829,5cyclictest491-21gdbus23:02:181
1595906993829,6cyclictest1-21systemd20:45:020
1595906993827,8cyclictest1758368-21sh00:15:010
1595906993824,11cyclictest0-21swapper/019:30:010
1595906993824,11cyclictest0-21swapper/019:30:010
1595908993729,5cyclictest1696282-21vmstat22:42:392
1595908993728,6cyclictest422-21dbus-daemon22:35:012
1595908993728,6cyclictest1626393-21fschecks_count20:52:142
1595908993728,6cyclictest1-21systemd21:00:012
1595906993731,3cyclictest0-21swapper/022:40:020
1595906993730,5cyclictest422-21dbus-daemon22:01:390
1595906993728,7cyclictest1642553-21/usr/sbin/munin21:25:020
1595906993725,9cyclictest1674996-21missed_timers22:12:220
1595908993630,3cyclictest0-21swapper/223:37:292
1595908993628,5cyclictest453-21systemd-logind19:40:012
1595908993628,5cyclictest453-21systemd-logind19:40:012
1595907993627,6cyclictest421-21avahi-daemon23:37:581
1595906993630,3cyclictest0-21swapper/022:32:140
1595906993628,5cyclictest1748868-21cups-browsed00:07:280
1595908993527,5cyclictest1651854-21unixbench_singl21:37:362
1595908993527,5cyclictest1630904-21grep21:07:182
1595908993526,7cyclictest1633391-21aten_r2power_vo21:12:162
1595908993526,6cyclictest1705200-21basename22:57:142
1595907993526,6cyclictest1603910-21fschecks_time19:37:181
1595907993526,6cyclictest1603910-21fschecks_time19:37:181
159590799351,26cyclictest1661561-21ssh21:52:291
1595906993529,4cyclictest1773894-21systemd-run00:40:010
1595906993528,4cyclictest1635731-21latency_hist21:15:030
1595906993527,5cyclictest422-21dbus-daemon23:20:590
1595906993525,8cyclictest1717802-21cron23:15:010
1595908993427,3cyclictest0-21swapper/200:12:302
1595908993426,5cyclictest4093548-21cups-browsed21:15:522
1595908993426,5cyclictest1-21systemd23:45:022
1595908993426,5cyclictest1-21systemd23:45:022
1595908993425,6cyclictest1754414-21unixbench-2d00:07:352
1595908993424,7cyclictest1749169-21sshd00:00:292
1595908993424,7cyclictest1668082-21latency22:02:222
1595908993327,3cyclictest0-21swapper/200:20:022
1595908993327,3cyclictest0-21swapper/200:20:022
1595908993325,5cyclictest1766699-21ssh00:27:262
1595908993325,5cyclictest1766699-21ssh00:27:262
1595908993325,5cyclictest1-21systemd22:27:352
1595908993324,4cyclictest0-21swapper/200:22:312
1595907993325,5cyclictest4093548-21cups-browsed22:35:111
1595907993324,6cyclictest421-21avahi-daemon22:57:261
1595907993324,5cyclictest453-21systemd-logind00:30:151
1595907993324,5cyclictest1745325-21cron23:55:011
1595907993319,8cyclictest1631858-21diskmemload23:22:331
1595906993328,2cyclictest0-21swapper/019:20:010
1595906993327,4cyclictest1681619-21ssh22:22:170
1595906993326,4cyclictest1665561-21head21:57:400
1595906993326,4cyclictest1644943-21grep21:27:410
1595906993325,6cyclictest1603376-21cut19:35:020
1595906993325,6cyclictest1603376-21cut19:35:020
1595906993325,5cyclictest266-21systemd-journal00:15:300
1595906993325,5cyclictest266-21systemd-journal00:15:300
1595906993323,7cyclictest0-21swapper/023:20:030
1595908993225,3cyclictest0-21swapper/221:41:292
1595908993224,5cyclictest1609353-21munin-plugin-st19:55:012
1595908993224,4cyclictest955-21mta-sts-daemon19:47:232
1595908993223,6cyclictest421-21avahi-daemon22:54:322
1595908993223,6cyclictest421-21avahi-daemon22:54:322
1595908993222,7cyclictest421-21avahi-daemon22:45:562
159590799323,23cyclictest1682039-21ssh22:22:241
1595907993224,4cyclictest1760588-21timerwakeupswit00:17:401
1595907993224,4cyclictest1760588-21timerwakeupswit00:17:401
1595907993223,7cyclictest1643824-21aten_r2power_po21:27:201
1595907993223,6cyclictest1610862-21sendmail20:00:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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