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2025-04-03 - 15:57

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #f, 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.
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 rackfslot7s.osadl.org (updated Thu Apr 03, 2025 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
132410899384820,3823cyclictest1417308-21kworker/2:0+events00:35:002
132410899266712,2650cyclictest1359305-21kworker/2:1+events21:10:152
132410199264013,2623cyclictest1373494-21kworker/0:2+events22:00:180
132410199257012,2554cyclictest1389199-21kworker/0:2+events22:43:240
13241119925438,2530cyclictest1417188-21kworker/3:2+events00:35:223
132410899250212,2486cyclictest1408300-21kworker/2:0+events00:00:202
132410199249512,2480cyclictest1351349-21kworker/0:2+events20:38:160
132411199249412,2479cyclictest1384077-21kworker/3:2+events22:41:333
132411199249012,2475cyclictest1338842-21kworker/3:1+events20:03:083
132411199249012,2474cyclictest1346602-21kworker/3:2+events21:22:453
132411199248712,2471cyclictest1371072-21kworker/3:0+events21:51:593
132410899248612,2470cyclictest1340171-21kworker/2:2+events20:21:082
13241119924809,2469cyclictest1378313-21kworker/3:2+events22:10:113
132411199246312,2448cyclictest1390191-21kworker/3:2+events23:00:193
132410699244612,2430cyclictest1398763-21kworker/1:1+events23:21:001
13241119924268,2415cyclictest1346602-21kworker/3:2+events21:30:173
132411199241212,2396cyclictest1360865-21kworker/3:1+events21:05:183
132410699240410,2391cyclictest1337274-21kworker/1:0+events19:50:161
132410899240112,2385cyclictest1330012-21kworker/2:0+events19:45:182
132410699238712,2372cyclictest1395652-21kworker/1:2+events23:31:371
132411199236912,2354cyclictest1406431-21kworker/3:2+events23:52:253
132410699232912,2314cyclictest1379042-21kworker/1:2+events22:35:501
132411199230211,2287cyclictest1394978-21kworker/3:1+events23:22:083
132411199228611,2272cyclictest1394978-21kworker/3:1+events23:25:553
132410899227810,2264cyclictest1398663-21kworker/2:0+events23:20:152
132410199227411,2259cyclictest1331634-21kworker/0:2+events19:34:160
132411199227311,2258cyclictest1346602-21kworker/3:2+events20:33:173
132410199227311,2259cyclictest1343573-21kworker/0:1+events20:14:100
132410199227311,2259cyclictest1343573-21kworker/0:1+events20:14:100
132411199227211,2258cyclictest1390191-21kworker/3:2+events22:54:123
132410199227211,2258cyclictest1365696-21kworker/0:1+events21:25:250
132410199227211,2257cyclictest1340261-21kworker/0:2+events20:22:420
132410199227111,2257cyclictest1385623-21kworker/0:2+events22:31:380
132410899227010,2258cyclictest1406001-21kworker/2:2+events23:50:102
132410199227010,2256cyclictest1359119-21kworker/0:2+events21:01:520
132411199226811,2253cyclictest1357606-21kworker/3:0+events20:58:483
132411199226811,2253cyclictest1346602-21kworker/3:2+events20:49:143
132410199226810,2254cyclictest1411706-21kworker/0:0+events00:27:470
132411199226710,2254cyclictest1379043-21kworker/3:0+events22:15:133
132411199226511,2251cyclictest1346602-21kworker/3:2+events20:23:043
132410199226510,2252cyclictest1380340-21kworker/0:2+events22:14:260
132411199226411,2249cyclictest1364046-21kworker/3:0+events21:14:483
13241119922628,2250cyclictest1394978-21kworker/3:1+events23:11:333
132411199226210,2249cyclictest1390191-21kworker/3:2+events22:58:203
132411199226210,2249cyclictest1353001-21kworker/3:0+events20:41:413
13241019922629,2249cyclictest1327517-21kworker/0:0+events19:46:510
132411199226111,2247cyclictest1349822-21kworker/3:1+events20:37:553
132410199226110,2248cyclictest1369205-21kworker/0:0+events21:32:120
132410199226110,2248cyclictest1351349-21kworker/0:2+events20:46:130
132411199226010,2248cyclictest1387590-21kworker/3:1+events22:48:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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