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2024-04-25 - 18:59

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 25, 2024 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
288991940,84ptp4l0-21swapper/107:05:451
3882760,1sleep100-21swapper/1007:05:312
94480750,70rtkit-daemon0-21swapper/607:06:148
63426553,10sleep70-21swapper/707:08:539
2987326251,9sleep00-21swapper/007:05:100
68826050,8sleep50-21swapper/507:09:397
49626050,8sleep110-21swapper/1107:06:573
3040825745,9sleep40-21swapper/407:05:136
37912530,0sleep80-21swapper/812:05:1410
37912530,0sleep80-21swapper/812:05:1410
111799222,7cyclictest0-21swapper/410:04:596
111799222,7cyclictest0-21swapper/408:15:016
111799222,15cyclictest0-21swapper/412:10:016
111799222,15cyclictest0-21swapper/412:10:006
109899211,14cyclictest0-21swapper/111:55:011
109899211,14cyclictest0-21swapper/111:55:001
112699203,10cyclictest0-21swapper/608:15:288
288991180,1ptp4l21-21ksoftirqd/110:36:461
113099183,10cyclictest0-21swapper/708:35:009
113099181,3cyclictest0-21swapper/709:20:179
110499184,9cyclictest0-21swapper/212:05:014
110499184,9cyclictest0-21swapper/212:05:014
109899187,7cyclictest0-21swapper/112:00:011
109899187,7cyclictest0-21swapper/112:00:011
288991170,0ptp4l0-21swapper/109:45:141
288991170,0ptp4l0-21swapper/108:50:161
288991170,0ptp4l0-21swapper/107:45:221
113099173,8cyclictest0-21swapper/710:10:009
113099173,8cyclictest0-21swapper/709:30:009
113099172,9cyclictest0-21swapper/710:35:009
111199173,9cyclictest0-21swapper/309:00:525
111199173,8cyclictest0-21swapper/310:25:015
111199173,8cyclictest0-21swapper/308:20:015
111199172,9cyclictest0-21swapper/310:35:015
110499173,9cyclictest0-21swapper/211:05:004
110499172,9cyclictest0-21swapper/210:10:004
110499172,8cyclictest0-21swapper/208:50:004
109499170,15cyclictest0-21swapper/012:35:180
109499170,10cyclictest0-21swapper/008:30:010
4032167,7sleep80-21swapper/807:05:4210
288991160,1ptp4l21-21ksoftirqd/112:35:121
288991160,1ptp4l21-21ksoftirqd/112:15:141
288991160,1ptp4l21-21ksoftirqd/111:45:481
288991160,1ptp4l21-21ksoftirqd/111:45:481
288991160,1ptp4l21-21ksoftirqd/109:50:161
288991160,1ptp4l21-21ksoftirqd/109:30:251
288991160,1ptp4l21-21ksoftirqd/109:25:181
288991160,1ptp4l21-21ksoftirqd/109:00:381
288991160,1ptp4l21-21ksoftirqd/108:35:291
288991160,1ptp4l21-21ksoftirqd/108:25:011
288991160,0ptp4l0-21swapper/109:10:271
288991160,0ptp4l0-21swapper/108:15:111
288991160,0ptp4l0-21swapper/107:20:181
114299161,8cyclictest0-21swapper/907:45:0111
112699163,9cyclictest0-21swapper/611:05:008
112699160,11cyclictest2992-21switchtime11:20:248
111799163,8cyclictest0-21swapper/412:20:376
111199163,8cyclictest0-21swapper/307:40:015
111199162,8cyclictest0-21swapper/308:50:005
110499162,8cyclictest0-21swapper/212:25:014
109499163,8cyclictest0-21swapper/007:10:010
288991150,1ptp4l21-21ksoftirqd/110:53:231
288991150,1ptp4l21-21ksoftirqd/110:25:261
288991150,1ptp4l21-21ksoftirqd/109:40:291
288991150,1ptp4l21-21ksoftirqd/109:05:311
288991150,0ptp4l0-21swapper/112:30:171
288991150,0ptp4l0-21swapper/111:40:161
288991150,0ptp4l0-21swapper/111:25:171
1146991514,1cyclictest0-21swapper/1010:35:262
113099153,7cyclictest0-21swapper/709:34:599
113099153,7cyclictest0-21swapper/709:00:009
113099151,8cyclictest0-21swapper/707:55:019
112699150,12cyclictest0-21swapper/609:38:278
1121991513,1cyclictest0-21swapper/510:25:187
1117991512,2cyclictest0-21swapper/407:45:186
111199153,6cyclictest0-21swapper/311:15:015
111199152,8cyclictest0-21swapper/309:10:285
111199152,8cyclictest0-21swapper/308:20:265
111199150,3cyclictest0-21swapper/310:10:195
110499153,8cyclictest0-21swapper/208:45:004
110499153,7cyclictest0-21swapper/212:30:294
110499151,9cyclictest0-21swapper/208:50:314
109899153,7cyclictest0-21swapper/107:10:261
109499153,7cyclictest0-21swapper/012:05:010
109499153,7cyclictest0-21swapper/012:05:000
109499152,8cyclictest0-21swapper/007:45:000
102742150,0sleep00-21swapper/010:05:290
288991140,1ptp4l21-21ksoftirqd/112:25:301
288991140,1ptp4l21-21ksoftirqd/111:00:261
288991140,1ptp4l21-21ksoftirqd/110:55:231
288991140,1ptp4l21-21ksoftirqd/110:20:211
288991140,1ptp4l21-21ksoftirqd/110:01:281
288991140,1ptp4l21-21ksoftirqd/109:55:201
288991140,1ptp4l21-21ksoftirqd/109:35:211
288991140,1ptp4l21-21ksoftirqd/108:40:111
288991140,0ptp4l0-21swapper/107:35:171
288991140,0ptp4l0-21swapper/107:15:021
277812140,0sleep100-21swapper/1009:05:202
114299143,7cyclictest0-21swapper/911:10:0111
114299142,8cyclictest0-21swapper/909:50:3011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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