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2024-07-27 - 14:18

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 50 highest latencies:
System rack2slot7s.osadl.org (updated Sat Jul 27, 2024 12:42:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1798555995644,8cyclictest1917915-21fschecks_time11:06:032
1798555995344,5cyclictest817-21mta-sts-daemon09:21:162
1798554995242,6cyclictest1944373-21cron11:40:001
1798553995238,11cyclictest1878350-21cut10:10:000
1798553995238,11cyclictest1878350-21cut10:10:000
1798553995235,6cyclictest12550irq/32-eth012:11:100
1798553995235,6cyclictest12550irq/32-eth012:11:100
179855599514,39cyclictest1929826-21ssh11:21:092
1798553995039,7cyclictest1881886-21systemd-run10:15:000
1798554994924,22cyclictest1809658-21latency_hist07:45:011
1798554994918,28cyclictest1872585-21missed_timers10:01:071
1798555994842,3cyclictest0-21swapper/212:36:172
1798554994838,6cyclictest1812700-21systemd-run07:55:011
1798554994838,6cyclictest1798559-21true07:10:001
179855499483,4cyclictest171rcu_preempt09:31:171
1798554994823,21cyclictest1857337-21idleruntime-cro09:40:001
179855499482,19cyclictest1897400-21ssh10:36:171
1798554994819,25cyclictest335-21avahi-daemon11:25:011
179855499472,39cyclictest1950048-21ssh11:46:171
179855499472,18cyclictest1962079-21ssh12:01:161
1798555994637,6cyclictest1811133-21systemd-run07:50:012
1798555994629,15cyclictest351ktimers/208:36:112
1798554994637,6cyclictest1936353-21munin-plugin-st11:30:001
1798554994636,6cyclictest1970126-21ssh12:11:141
1798554994636,6cyclictest1970126-21ssh12:11:141
179855499461,18cyclictest1947317-21ssh11:42:541
1798555994538,4cyclictest1888903-21systemd-run10:25:012
1798554994536,6cyclictest1913417-21systemctl11:00:011
1798554994536,6cyclictest1913417-21systemctl11:00:011
1798554994523,19cyclictest1878364-21systemd-run10:10:011
1798554994523,19cyclictest1878364-21systemd-run10:10:011
179855499452,20cyclictest1844924-21ssh09:21:221
1798554994521,21cyclictest1835436-21latency09:06:101
1798554994519,3cyclictest0-21swapper/112:20:001
179855499450,19cyclictest1965963-21ssh12:06:101
179855599445,32cyclictest1893945-21ssh10:31:202
1798555994432,5cyclictest0-21swapper/209:16:162
1798554994435,6cyclictest339-21dbus-daemon09:50:001
179855499442,18cyclictest1918489-21ntp_states11:06:171
179855499442,17cyclictest1831059-21ps08:51:141
179855499442,17cyclictest1831059-21ps08:51:141
1798554994419,18cyclictest271ktimers/112:26:121
1798554994417,24cyclictest1806794-21aten_r2power_vo07:35:571
179855499441,16cyclictest1890453-21ssh10:26:181
1798553994437,4cyclictest1992645-21awk12:40:010
1798553994417,17cyclictest1966136-21ssh12:06:170
1798554994322,17cyclictest0-21swapper/109:55:021
1798555994233,4cyclictest0-21swapper/209:36:492
1798555994222,15cyclictest351ktimers/209:01:142
179855499422,20cyclictest1907827-21ssh10:51:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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