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2024-06-17 - 00:56
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack8slot7.osadl.org (updated Sun Jun 16, 2024 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16091992523,1cyclictest30413-21x2gosqlitewrapp21:42:550
1609199210,21cyclictest0-21swapper/022:54:560
16091991918,1cyclictest0-21swapper/023:12:560
16091991918,1cyclictest0-21swapper/000:33:150
16091991716,1cyclictest0-21swapper/022:35:360
16091991615,1cyclictest0-21swapper/021:56:350
16091991514,1cyclictest0-21swapper/021:53:460
16092991312,1cyclictest0-21swapper/123:37:161
1609199139,2cyclictest20387-21diskmemload22:01:270
1609199132,9cyclictest3759-21x2golistsession21:21:340
1609299127,3cyclictest30440-21x2golistsession21:42:571
16092991211,1cyclictest0-21swapper/123:45:161
1609199129,1cyclictest20387-21diskmemload21:16:270
1609199122,8cyclictest27915-21x2golistsession23:48:260
1609199122,8cyclictest19957-21x2golistsession21:35:060
1609199121,8cyclictest17155-21x2gosqlitewrapp23:40:100
16091991211,1cyclictest0-21swapper/000:20:060
1609299118,2cyclictest21310-21x2golistsession22:51:531
1609299118,2cyclictest0-21swapper/121:19:031
1609299117,2cyclictest27056-21x2golistsession22:05:231
1609299115,4cyclictest1835-21x2golistsession22:10:521
1609299111,9cyclictest26297-21x2gosqlitewrapp20:21:521
16092991110,1cyclictest0-21swapper/123:24:261
1609199116,3cyclictest9004-21x2gosqlitewrapp22:42:140
1609199115,4cyclictest25333-21basename22:30:100
1609199112,7cyclictest28097-21x2golistsession22:06:090
1609199112,7cyclictest13341-21x2golistsession00:02:060
1609199112,3cyclictest3127-21x2gosqlitewrapp23:54:440
1609199112,3cyclictest20387-21diskmemload00:37:480
1609199112,3cyclictest1734-21ssh00:18:470
1609199112,2cyclictest23522-21x2gosqlitewrapp23:19:570
1609199112,2cyclictest2161-21x2golistsession23:28:130
1609199112,2cyclictest12383-21x2golistsession21:28:560
1609199111,8cyclictest24740-21irqstats23:20:210
1609199111,8cyclictest23461-21ntp_states19:20:210
1609199111,8cyclictest14356-21hddtemp_smartct21:30:180
1609199111,6cyclictest1697-21ssh22:10:440
1609199111,3cyclictest27793-21x2golistsession00:13:490
1609199111,3cyclictest12956-21x2gosqlitewrapp00:27:140
1609199110,7cyclictest7512-21x2golistsession23:32:090
1609199110,6cyclictest20387-21diskmemload23:39:000
1609299108,1cyclictest0-21swapper/119:42:221
1609299107,2cyclictest25649-21x2gosqlitewrapp21:39:351
1609299107,2cyclictest20987-21ssh22:25:521
1609299106,2cyclictest27277-21x2golistsession22:30:481
1609299106,2cyclictest25-21ksoftirqd/100:20:061
1609299104,2cyclictest141rcu_preempt23:07:251
1609299103,2cyclictest20387-21diskmemload22:46:111
1609299102,7cyclictest598-21nscd00:08:171
1609299101,8cyclictest17441-21x2gosqlitewrapp22:23:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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