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2024-07-16 - 08:48
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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 rack0slot5.osadl.org (updated Tue Jul 16, 2024 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
266743399703302,400cyclictest0-21swapper/700:35:2013
266744499625625,0cyclictest0-21swapper/1101:17:193
266744499582553,1cyclictest0-21swapper/1100:17:433
266741099552552,0cyclictest0-21swapper/021:19:580
26674179954819,528cyclictest0-21swapper/201:22:438
266744499544544,0cyclictest0-21swapper/1123:30:423
266741799540540,0cyclictest0-21swapper/201:36:458
26674449953910,24cyclictest0-21swapper/1101:11:423
2667410995397,25cyclictest17-21ksoftirqd/020:58:580
26674299953125,504cyclictest0-21swapper/601:16:2212
266742399531517,1cyclictest0-21swapper/422:15:4410
266744899529528,1cyclictest0-21swapper/1223:13:224
266744899529528,1cyclictest0-21swapper/1223:13:224
26674299952855,473cyclictest0-21swapper/622:18:2212
26674139952724,502cyclictest0-21swapper/121:01:431
266744299526526,0cyclictest0-21swapper/1001:55:202
26674299952525,0cyclictest1181-21avahi-daemon21:41:4512
26674339952420,504cyclictest0-21swapper/720:43:2213
26674139952422,501cyclictest0-21swapper/123:51:581
266744499523523,0cyclictest0-21swapper/1100:19:203
26674299952348,474cyclictest78-21ksoftirqd/623:12:5412
26674609952218,503cyclictest0-21swapper/1521:03:437
26674299952233,29cyclictest0-21swapper/623:18:2012
26674299952233,29cyclictest0-21swapper/623:18:2012
26674299952048,0cyclictest0-21swapper/622:43:4412
26674299952016,33cyclictest0-21swapper/621:28:2212
26674429951812,505cyclictest0-21swapper/1000:51:202
26674299951841,474cyclictest0-21swapper/620:41:4212
26674299951771,444cyclictest2659186-21kworker/6:3+i915-unordered21:16:4312
26674239951712,504cyclictest0-21swapper/422:49:2010
26674489951611,504cyclictest0-21swapper/1222:01:204
26674299951668,445cyclictest2659186-21kworker/6:3+i915-unordered22:11:4312
26674299951645,0cyclictest0-21swapper/601:39:2212
26674299951635,0cyclictest0-21swapper/620:29:4312
26674299951540,0cyclictest0-21swapper/621:59:2212
26674299951538,473cyclictest0-21swapper/623:03:4312
26674449951421,24cyclictest0-21swapper/1120:33:203
26674299951441,472cyclictest0-21swapper/620:46:2112
266742999513512,1cyclictest0-21swapper/623:28:2112
2667413995139,503cyclictest0-21swapper/122:29:201
2667439995129,0cyclictest0-21swapper/923:20:4515
2667439995129,0cyclictest0-21swapper/923:20:4515
26674299951239,472cyclictest0-21swapper/620:59:4412
26674299951237,0cyclictest0-21swapper/601:29:2012
26674299951137,473cyclictest0-21swapper/601:19:5812
2667454995094,504cyclictest0-21swapper/1322:05:425
2667433995096,0cyclictest0-21swapper/720:42:5513
26674299950938,471cyclictest0-21swapper/600:18:2212
26674299950935,0cyclictest0-21swapper/600:33:2112
26674299950934,474cyclictest0-21swapper/622:06:2012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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