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2024-11-24 - 07:29

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #8

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.
Unexpectedly long latencies may be caused by SMIs
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 rack0slot8s.osadl.org (updated Sun Nov 24, 2024 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
94980880,83rtkit-daemon0-21swapper/1019:07:512
46352870,0sleep110-21swapper/1122:09:413
275991860,77ptp4l0-21swapper/119:09:221
281862670,0sleep20-21swapper/219:50:164
2328826755,10sleep50-21swapper/519:05:047
2646826554,9sleep60-21swapper/619:08:188
2646026554,9sleep110-21swapper/1119:08:103
2636826553,10sleep70-21swapper/719:06:559
2654226453,9sleep00-21swapper/019:09:240
2632425847,9sleep40-21swapper/419:06:156
219932520,1sleep121-21ksoftirqd/122:30:211
219932520,1sleep121-21ksoftirqd/122:30:201
108702480,1sleep101020-21runrttasks21:35:112
108682450,0sleep110-21swapper/1123:40:133
26967992623,2cyclictest25343-21turbostat21:55:004
2696799215,10cyclictest0-21swapper/222:10:014
275991200,1ptp4l21-21ksoftirqd/119:15:161
2697399207,8cyclictest0-21swapper/322:10:015
275991190,0ptp4l0-21swapper/122:50:251
2696399193,9cyclictest0-21swapper/119:14:591
2699599181,16cyclictest0-21swapper/823:25:1710
2696799184,9cyclictest0-21swapper/221:15:004
2696799184,8cyclictest0-21swapper/221:05:014
2696799183,9cyclictest0-21swapper/220:30:014
2696399182,7cyclictest0-21swapper/123:25:001
2696399182,7cyclictest0-21swapper/121:35:011
275991170,1ptp4l21-21ksoftirqd/122:40:201
2700099173,8cyclictest0-21swapper/922:50:0111
2699599172,9cyclictest0-21swapper/819:55:0110
2697399173,9cyclictest0-21swapper/322:25:015
2697399173,9cyclictest0-21swapper/322:25:015
2697399173,7cyclictest0-21swapper/320:00:015
2696799174,9cyclictest0-21swapper/200:10:004
2696799173,9cyclictest0-21swapper/223:45:004
2696399173,8cyclictest0-21swapper/123:50:001
2696399173,8cyclictest0-21swapper/123:15:011
2696399172,7cyclictest0-21swapper/100:20:001
2695899170,16cyclictest0-21swapper/022:00:200
94980160,4rtkit-daemon0-21swapper/320:44:595
61902160,0sleep20-21swapper/200:15:214
275991160,1ptp4l21-21ksoftirqd/120:25:441
275991160,0ptp4l1009-21snmpd20:49:151
275991160,0ptp4l0-21swapper/123:25:181
275991160,0ptp4l0-21swapper/123:15:191
2697399163,8cyclictest0-21swapper/321:55:005
2696799163,9cyclictest0-21swapper/221:50:014
2696799163,8cyclictest0-21swapper/221:40:004
2696799162,8cyclictest0-21swapper/200:30:014
2696399163,8cyclictest0-21swapper/122:15:011
2696399163,8cyclictest0-21swapper/122:15:001
2696399162,8cyclictest0-21swapper/121:00:011
2696399160,2cyclictest0-21swapper/120:30:161
2695899160,4cyclictest8585-21sed23:35:250
2695899160,3cyclictest12944-21grep21:35:230
2695899160,2cyclictest0-21swapper/020:50:140
275991150,1ptp4l21-21ksoftirqd/123:35:221
275991150,1ptp4l21-21ksoftirqd/120:42:261
275991150,1ptp4l21-21ksoftirqd/120:10:181
275991150,1ptp4l21-21ksoftirqd/119:40:111
275991150,0ptp4l0-21swapper/123:40:181
275991150,0ptp4l0-21swapper/121:35:211
275991150,0ptp4l0-21swapper/120:20:241
275991150,0ptp4l0-21swapper/119:50:191
275991150,0ptp4l0-21swapper/119:20:191
2698699153,7cyclictest0-21swapper/600:00:008
2697399153,7cyclictest0-21swapper/320:55:015
2696799153,8cyclictest0-21swapper/223:30:014
2696799152,8cyclictest0-21swapper/223:20:004
2695899153,8cyclictest0-21swapper/019:50:010
2695899150,14cyclictest4964-21fschecks_time19:20:150
2695899150,14cyclictest29235-21grep21:15:180
2695899150,14cyclictest25755-21sed22:35:190
2695899150,14cyclictest15473-21fschecks_time21:40:130
2695899150,14cyclictest14953-21irqrtprio23:45:180
2695899150,14cyclictest0-21swapper/021:05:180
167152150,2sleep863-21ksoftirqd/820:15:2610
15342150,0sleep80-21swapper/822:05:1310
70472140,0sleep20-21swapper/222:55:004
275991140,6ptp4l21-21ksoftirqd/119:30:241
275991140,1ptp4l21-21ksoftirqd/121:05:181
275991140,1ptp4l21-21ksoftirqd/121:00:161
275991140,1ptp4l21-21ksoftirqd/100:32:291
275991140,0ptp4l0-21swapper/122:45:251
2698699143,7cyclictest0-21swapper/620:25:018
2697399142,8cyclictest0-21swapper/323:15:245
2697399140,7cyclictest20616-21kernelversion23:10:185
2696799143,7cyclictest0-21swapper/220:15:004
2696399142,7cyclictest0-21swapper/100:00:011
2695899146,7cyclictest4720-21sed23:30:280
2695899142,7cyclictest2609-21expr20:00:120
2695899140,9cyclictest17928-21cpuspeed_turbos20:20:130
2695899140,8cyclictest28595-21wc19:50:190
2695899140,7cyclictest21481-21cpuspeed_turbos23:55:140
2695899140,3cyclictest452-21aten2_r3power_e20:40:120
2695899140,2cyclictest0-21swapper/019:30:130
2695899140,1cyclictest0-21swapper/023:52:250
2695899140,13cyclictest7231-21grep21:30:150
2695899140,13cyclictest5572-21wc22:50:230
2695899140,13cyclictest31696-21head00:05:260
2695899140,13cyclictest2511-21sed22:45:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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