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2024-05-24 - 11:19
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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 50 highest latencies:
System rack0slot6.osadl.org (updated Fri May 24, 2024 00:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122583799627304,321cyclictest0-21swapper/1500:37:427
12257999960034,44cyclictest0-21swapper/523:23:5911
12257899956630,44cyclictest0-21swapper/222:38:598
1225797995620,40cyclictest0-21swapper/420:13:4210
12257939956127,533cyclictest0-21swapper/323:23:229
12257879955920,535cyclictest0-21swapper/123:36:331
12257979955835,522cyclictest0-21swapper/421:43:4210
12257999955735,0cyclictest0-21swapper/523:36:3311
12257979955637,29cyclictest0-21swapper/420:04:4310
12257939954914,534cyclictest0-21swapper/323:31:459
12258379954835,44cyclictest0-21swapper/1519:25:427
12258379954122,519cyclictest0-21swapper/1523:57:207
12258079953412,521cyclictest0-21swapper/723:12:4313
12258379953039,491cyclictest0-21swapper/1521:14:437
122578799529527,0cyclictest0-21swapper/123:24:211
1225799995285,521cyclictest0-21swapper/522:53:2311
12257899952820,503cyclictest0-21swapper/220:00:598
12258079952515,510cyclictest0-21swapper/700:12:2313
12257879952517,507cyclictest0-21swapper/122:19:441
12257879952517,507cyclictest0-21swapper/122:19:441
1225797995242,521cyclictest0-21swapper/421:35:4210
1225799995238,59cyclictest0-21swapper/521:25:4511
1225799995232,521cyclictest0-21swapper/519:41:4311
12258079952231,490cyclictest87-21ksoftirqd/723:30:2313
1225793995221,520cyclictest0-21swapper/322:18:599
1225793995221,520cyclictest0-21swapper/322:18:599
12258379952132,489cyclictest0-21swapper/1519:45:447
1225799995210,520cyclictest0-21swapper/523:34:5311
1225799995210,520cyclictest0-21swapper/520:58:4411
1225799995190,0cyclictest0-21swapper/521:13:2211
12257879951910,507cyclictest0-21swapper/122:48:221
122583399518517,1cyclictest1399090-21kworker/14:1+i915-unordered22:54:216
122583399518516,2cyclictest1286353-21kworker/14:2+events20:27:446
122582999518517,1cyclictest1449277-21kworker/13:2+events00:03:235
1225799995180,518cyclictest0-21swapper/522:36:4611
1225837995170,517cyclictest0-21swapper/1519:44:237
122583399517517,0cyclictest0-21swapper/1420:43:436
122581999517515,2cyclictest1422230-21kworker/11:0+i915-unordered23:19:433
1225799995170,516cyclictest0-21swapper/500:11:2411
122579799515486,29cyclictest0-21swapper/422:43:2210
1225797995150,22cyclictest0-21swapper/422:48:2210
122582399513512,1cyclictest1406795-21kworker/12:0+events00:26:224
122580399513513,0cyclictest1279089-21kworker/6:0+i915-unordered20:43:4312
12257879951355,458cyclictest321ktimers/123:11:531
12257939951121,490cyclictest0-21swapper/322:20:239
12257939951121,490cyclictest0-21swapper/322:20:239
122580799503502,1cyclictest1313426-21kworker/7:0+i915-unordered21:14:4313
122582999501499,2cyclictest1472748-21kworker/13:1+i915-unordered00:24:205
1225809995010,0cyclictest0-21swapper/819:51:2114
12257879950154,446cyclictest1371806-21kworker/1:1+events22:14:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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