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2025-04-02 - 08:21
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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 rack0slot0.osadl.org (updated Wed Apr 02, 2025 00:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3206021340,4sleep3802299cyclictest00:21:353
2347021190,1sleep623469-21bash22:41:126
482421130,0sleep60-21swapper/600:02:066
482421130,0sleep60-21swapper/600:02:066
430621110,0sleep30-21swapper/300:02:033
430621110,0sleep30-21swapper/300:02:023
88332800,4sleep5803599cyclictest21:27:235
262642790,0sleep00-21swapper/023:08:070
103112780,1sleep40-21swapper/421:11:044
322332770,0sleep30-21swapper/322:02:313
311032770,1sleep5591ktimersoftd/522:05:455
140982760,1sleep00-21swapper/023:26:420
59972750,0sleep70-21swapper/721:43:287
327522750,0sleep081ktimersoftd/022:38:580
288392740,1sleep5591ktimersoftd/522:28:465
273372740,0sleep10-21swapper/122:11:591
251452740,0sleep30-21swapper/323:50:583
78732730,0sleep60-21swapper/600:32:286
61402730,1sleep36136-21sshd00:05:403
61402730,1sleep36136-21sshd00:05:403
40182720,0sleep20-21swapper/222:59:122
214552720,0sleep00-21swapper/000:03:530
214552720,0sleep00-21swapper/000:03:520
77202710,0sleep50-21swapper/523:35:525
282152700,0sleep00-21swapper/000:24:350
244832690,0sleep70-21swapper/700:14:177
219212690,0sleep40-21swapper/422:41:034
201082690,0sleep70-21swapper/722:01:157
15942690,0sleep10-21swapper/123:58:321
15942690,0sleep10-21swapper/123:58:321
143632690,0sleep50-21swapper/523:56:295
143632690,0sleep50-21swapper/523:56:285
108982690,0sleep70-21swapper/722:33:297
69002680,0sleep20-21swapper/223:09:292
322112680,0sleep70-21swapper/720:00:007
232492680,0sleep723248-21sshd23:24:167
200102680,0sleep60-21swapper/619:35:006
93572670,0sleep40-21swapper/422:30:044
279012670,0sleep10-21swapper/122:38:271
145672670,0sleep40-21swapper/400:03:094
145672670,0sleep40-21swapper/400:03:084
136422670,0sleep50-21swapper/523:26:395
237112660,0sleep10-21swapper/122:54:381
196112660,0sleep00-21swapper/023:37:070
289832620,0sleep6671rcuc/623:31:296
743325948,7sleep50-21swapper/519:05:295
777525848,6sleep70-21swapper/719:09:557
761725848,6sleep60-21swapper/619:07:536
774525747,6sleep40-21swapper/419:09:284
83662540,1sleep51036-21runrttasks00:25:535
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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