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2023-12-03 - 12:37

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #3

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 rack0slot3s.osadl.org (updated Sun Dec 03, 2023 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16186692249222,18sleep70-21swapper/719:08:257
16186222248231,10sleep60-21swapper/619:08:006
16184812247206,28sleep40-21swapper/419:06:294
16184292244202,29sleep30-21swapper/319:05:493
16184312242209,11sleep50-21swapper/519:05:505
16187472241217,12sleep20-21swapper/219:09:252
16185442235210,12sleep00-21swapper/019:07:210
16187462233207,13sleep10-21swapper/119:09:241
16190899914942,22cyclictest112291120pipewire23:37:315
16190899914942,21cyclictest112291120pipewire21:59:565
16190899914215,42cyclictest112291120pipewire19:44:515
16190899912818,21cyclictest112291120pipewire21:23:085
1619089991281,63cyclictest1743-21arpwatch19:16:275
1619089991280,42cyclictest112291120pipewire23:05:425
16190899912720,21cyclictest112291120pipewire00:15:075
16190899912620,42cyclictest1743-21arpwatch23:16:065
16190899912534,42cyclictest112291220pipewire-pulse00:13:015
16190899912519,22cyclictest1743-21arpwatch20:20:275
1619089991241,21cyclictest1122902-10pipewire-pulse22:33:405
16190899912215,22cyclictest600-21systemd-journal21:36:335
16190899911812,21cyclictest1743-21arpwatch22:52:375
16190899911711,21cyclictest1743-21arpwatch21:10:145
16190899911710,22cyclictest1743-21arpwatch21:30:515
16190899911632,21cyclictest0-21swapper/521:18:465
16190899911611,42cyclictest1743-21arpwatch23:10:265
16190899911610,42cyclictest1743-21arpwatch23:28:115
16190899911610,42cyclictest1743-21arpwatch21:46:295
1619089991157,21cyclictest1743-21arpwatch20:38:585
16190899911531,42cyclictest0-21swapper/523:41:075
1619089991148,42cyclictest1743-21arpwatch22:27:465
16190899911316,65cyclictest0-21swapper/520:53:055
1619089991083,21cyclictest1743-21arpwatch23:31:455
16190899910823,22cyclictest1743-21arpwatch21:40:495
1619089991082,21cyclictest1743-21arpwatch22:05:005
1619089991071,42cyclictest1743-21arpwatch22:16:215
1619089991071,42cyclictest1743-21arpwatch21:50:045
1619089991071,21cyclictest1743-21arpwatch00:02:205
1619089991060,42cyclictest1743-21arpwatch20:58:095
1619089991060,42cyclictest1743-21arpwatch20:42:305
1619089991060,22cyclictest1743-21arpwatch19:21:255
16190899910557,42cyclictest1743-21arpwatch19:51:185
16190899910536,42cyclictest1743-21arpwatch19:57:425
16190899910520,21cyclictest1743-21arpwatch20:10:295
16190899910520,21cyclictest1743-21arpwatch00:20:505
1619089991041,21cyclictest1743-21arpwatch22:57:375
16190899910321,21cyclictest1743-21arpwatch23:51:405
16190899910314,21cyclictest112291120pipewire20:18:515
16190899910218,21cyclictest600-21systemd-journal20:29:005
16190899910217,21cyclictest0-21swapper/521:26:265
1619089999813,21cyclictest1743-21arpwatch22:44:065
1619089999813,21cyclictest1743-21arpwatch22:14:135
1619089999813,21cyclictest1743-21arpwatch22:14:135
1619089999511,21cyclictest600-21systemd-journal23:45:585
1619089999410,21cyclictest1743-21arpwatch00:27:565
1619089998860,21cyclictest1743-21arpwatch00:34:205
161908399881,42cyclictest112291120pipewire00:13:183
161908999862,21cyclictest112291120pipewire20:49:475
161908999861,21cyclictest1743-21arpwatch22:09:165
161908999861,21cyclictest1743-21arpwatch22:09:155
161908999861,21cyclictest121750irq/131-enp3s0-19:49:105
1619089998611,33cyclictest0-21swapper/523:21:185
161908999851,42cyclictest1743-21arpwatch19:10:035
1619089998421,21cyclictest1743-21arpwatch23:01:535
1619089998421,21cyclictest1743-21arpwatch22:23:305
161908999840,21cyclictest600-21systemd-journal00:05:095
161908999838,42cyclictest0-21swapper/521:05:465
1619083998336,45cyclictest600-21systemd-journal23:14:413
1619083998241,20cyclictest1643586-21ssh21:19:153
1619083998218,21cyclictest112291120pipewire23:41:053
1619083998217,21cyclictest0-21swapper/322:44:383
1619083998217,20cyclictest0-21swapper/321:13:173
1619089998038,42cyclictest52-21ksoftirqd/522:39:185
1619089998017,42cyclictest0-21swapper/519:31:215
1619083998038,21cyclictest0-21swapper/321:59:333
1619083998017,42cyclictest1738117-21ssh00:09:163
1619083998015,44cyclictest0-21swapper/322:39:503
1619083998015,21cyclictest0-21swapper/300:03:483
1619089997916,42cyclictest0-21swapper/500:35:245
1619089997914,44cyclictest0-21swapper/523:55:485
1619089997914,44cyclictest0-21swapper/520:04:535
1619083997957,22cyclictest38-21ksoftirqd/319:44:353
1619083997938,20cyclictest38-21ksoftirqd/323:50:033
1619083997916,21cyclictest0-21swapper/321:37:063
1619083997914,21cyclictest0-21swapper/320:44:503
1619083997913,44cyclictest0-21swapper/320:49:243
1619083997837,20cyclictest1715449-21ssh23:28:363
1619083997837,20cyclictest0-21swapper/322:31:413
1619083997814,42cyclictest112291220pipewire-pulse20:18:513
1619089997613,42cyclictest0-21swapper/519:37:015
1619083997635,20cyclictest0-21swapper/320:34:113
1619083997614,41cyclictest0-21swapper/320:14:503
1619083997513,20cyclictest0-21swapper/322:10:263
1619083997513,20cyclictest0-21swapper/322:10:253
1619083997512,42cyclictest1638426-21diskmemload21:47:393
1619083997510,21cyclictest0-21swapper/323:16:343
161908399750,12cyclictest112291220pipewire-pulse00:15:293
1619083997433,21cyclictest0-21swapper/300:29:413
1619083997412,21cyclictest1123514-21pool-gsd-smartc22:20:293
161908399738,21cyclictest0-21swapper/321:05:473
161908999729,21cyclictest0-21swapper/521:02:195
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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