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2025-04-03 - 23:50

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 Thu Apr 03, 2025 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
275991970,88ptp4l0-21swapper/107:05:071
222127055,12sleep70-21swapper/707:05:349
307826857,9sleep50-21swapper/507:08:447
143012680,1sleep6501rcuc/611:20:248
309726554,9sleep110-21swapper/1107:09:023
98626453,8sleep00-21swapper/007:05:270
186926452,9sleep40-21swapper/407:05:316
3230726354,7sleep60-21swapper/607:05:218
297525948,9sleep100-21swapper/1007:07:132
3585992812,2cyclictest0-21swapper/708:05:159
260532240,0chrt26055-21sed10:00:005
260532240,0chrt26055-21sed09:59:595
361199202,10cyclictest0-21swapper/1111:25:013
358199187,7cyclictest32626-21kworker/u24:111:00:018
358199183,9cyclictest0-21swapper/610:10:018
358199183,9cyclictest0-21swapper/610:10:008
275991180,2ptp4l21-21ksoftirqd/108:40:161
184122180,0sleep30-21swapper/308:10:005
361199171,2cyclictest0-21swapper/1111:10:133
358199173,8cyclictest0-21swapper/612:20:258
358199171,3cyclictest0-21swapper/610:15:188
355399173,9cyclictest0-21swapper/112:35:011
354999173,9cyclictest0-21swapper/009:24:590
354999173,8cyclictest0-21swapper/009:35:010
359899164,8cyclictest31456-21kworker/u24:009:10:0111
359899162,8cyclictest0-21swapper/910:50:0111
358199162,9cyclictest0-21swapper/609:15:008
357699163,8cyclictest0-21swapper/508:25:017
356299162,9cyclictest0-21swapper/307:30:005
354999163,8cyclictest0-21swapper/009:05:000
275991160,0ptp4l0-21swapper/111:40:231
207332160,0sleep10-21swapper/108:10:221
361199152,7cyclictest0-21swapper/1108:40:003
361199150,14cyclictest0-21swapper/1107:35:173
359899152,7cyclictest0-21swapper/909:30:0111
358599152,8cyclictest0-21swapper/710:15:019
358599152,7cyclictest0-21swapper/707:30:309
355399152,8cyclictest0-21swapper/108:30:011
355399151,8cyclictest0-21swapper/109:20:011
355399150,3cyclictest0-21swapper/108:05:151
354999153,8cyclictest0-21swapper/011:55:010
354999152,9cyclictest0-21swapper/007:40:000
354999152,8cyclictest0-21swapper/008:50:000
354999151,9cyclictest0-21swapper/009:25:010
361199142,7cyclictest0-21swapper/1108:50:003
359899142,7cyclictest0-21swapper/910:30:0111
359899141,10cyclictest31456-21kworker/u24:007:14:5911
358599141,7cyclictest0-21swapper/711:10:019
358199143,7cyclictest0-21swapper/612:30:018
358199141,8cyclictest0-21swapper/610:45:018
357699143,8cyclictest0-21swapper/510:20:017
357699141,8cyclictest0-21swapper/511:20:017
356299142,8cyclictest0-21swapper/308:35:015
356299142,7cyclictest0-21swapper/309:20:015
355899140,13cyclictest0-21swapper/207:29:594
355399142,7cyclictest0-21swapper/109:45:011
354999142,8cyclictest0-21swapper/008:20:010
354999142,7cyclictest0-21swapper/010:30:250
354999142,7cyclictest0-21swapper/008:55:250
275991140,1ptp4l21-21ksoftirqd/111:50:251
275991140,0ptp4l0-21swapper/109:20:211
275991140,0ptp4l0-21swapper/107:21:301
25712142,9sleep90-21swapper/907:05:3611
361199133,6cyclictest0-21swapper/1112:35:013
359899132,7cyclictest0-21swapper/911:40:0111
359899132,7cyclictest0-21swapper/910:55:0111
359899132,6cyclictest0-21swapper/908:19:5911
358599133,6cyclictest0-21swapper/708:15:009
358199132,7cyclictest0-21swapper/610:35:018
358199132,7cyclictest0-21swapper/607:50:008
358199132,6cyclictest0-21swapper/612:05:018
358199131,7cyclictest0-21swapper/608:00:008
357699132,7cyclictest0-21swapper/507:50:007
357699132,6cyclictest0-21swapper/511:50:017
355399132,8cyclictest0-21swapper/110:30:011
355399132,7cyclictest0-21swapper/110:35:001
355399132,7cyclictest0-21swapper/109:10:001
355399130,12cyclictest0-21swapper/112:35:131
354999131,7cyclictest0-21swapper/008:55:010
275991130,0ptp4l0-21swapper/110:55:151
275991130,0ptp4l0-21swapper/107:45:201
275991130,0ptp4l0-21swapper/107:35:141
361199122,7cyclictest0-21swapper/1107:10:243
361199122,6cyclictest0-21swapper/1110:30:013
361199121,7cyclictest32626-21kworker/u24:112:15:013
3611991210,1cyclictest0-21swapper/1107:54:593
358599124,5cyclictest57-21ksoftirqd/709:40:019
358599122,6cyclictest0-21swapper/712:05:019
358599120,7cyclictest0-21swapper/711:15:019
357699122,6cyclictest0-21swapper/507:55:007
357699121,7cyclictest0-21swapper/512:10:017
357699121,6cyclictest0-21swapper/507:30:007
357699120,7cyclictest0-21swapper/511:40:017
356299122,6cyclictest0-21swapper/309:34:595
356299120,1cyclictest0-21swapper/309:15:005
355399122,6cyclictest0-21swapper/110:00:251
355399122,6cyclictest0-21swapper/110:00:241
354999122,5cyclictest0-21swapper/010:40:010
275991120,3ptp4l14768-21irqrtprio12:20:191
275991120,0ptp4l0-21swapper/111:28:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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