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2024-05-23 - 11:21
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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 rack5slot2.osadl.org (updated Thu May 23, 2024 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
245532204189,10sleep10-21swapper/119:09:491
223542195179,11sleep00-21swapper/019:05:090
223522185169,12sleep30-21swapper/319:05:083
242902178161,13sleep20-21swapper/219:06:232
65372470,0sleep30-21swapper/321:59:033
258182440,0sleep10-21swapper/119:10:201
144052420,0sleep00-21swapper/000:19:080
13912420,0sleep01394-21gltestperf19:25:200
69632400,0sleep10-21swapper/122:55:461
238562120,0sleep20-21swapper/223:05:482
247809970,1cyclictest22438-21df21:30:153
247709971,3cyclictest29987-21idleruntime-cro21:35:010
247709970,3cyclictest25365-21munin-run20:15:000
247709970,3cyclictest25365-21munin-run20:15:000
247809960,5cyclictest0-21swapper/300:35:123
247769961,5cyclictest0-21swapper/221:05:132
247719961,3cyclictest0-21swapper/123:35:111
247719961,3cyclictest0-21swapper/122:00:111
247709960,5cyclictest32376-21ssh22:51:550
247709960,5cyclictest30858-21ssh22:31:550
247709960,5cyclictest27771-21ssh23:47:270
247709960,5cyclictest24628-21gltestperf00:05:180
247709960,5cyclictest20805-21ssh23:04:590
247709960,5cyclictest1405-21ssh00:10:260
247709960,5cyclictest0-21swapper/020:15:100
247709960,5cyclictest0-21swapper/019:15:150
247709960,1cyclictest32005-21cstates23:50:140
31701250,0sleep10-21swapper/122:13:591
247809955,0cyclictest29614-21kworker/3:223:54:333
247809955,0cyclictest29614-21kworker/3:222:24:583
247809955,0cyclictest29614-21kworker/3:220:44:133
247809955,0cyclictest29614-21kworker/3:220:33:013
247809955,0cyclictest29614-21kworker/3:220:21:503
247809955,0cyclictest29614-21kworker/3:220:10:373
247809955,0cyclictest29614-21kworker/3:220:10:373
247809955,0cyclictest29614-21kworker/3:219:59:263
247809955,0cyclictest29614-21kworker/3:219:37:023
247809955,0cyclictest29614-21kworker/3:219:25:503
247809955,0cyclictest29614-21kworker/3:200:28:073
247809955,0cyclictest29614-21kworker/3:200:05:463
247809950,5cyclictest0-21swapper/320:48:463
247809950,4cyclictest6435-21ssh23:35:103
247809950,4cyclictest11073-21diskstats19:45:183
247809950,4cyclictest0-21swapper/321:20:123
247809950,4cyclictest0-21swapper/320:25:093
247769955,0cyclictest15245-21apt-get19:55:012
247769950,5cyclictest31454-21/usr/sbin/munin23:50:292
247769950,5cyclictest0-21swapper/223:31:492
247769950,5cyclictest0-21swapper/223:12:462
247769950,5cyclictest0-21swapper/221:21:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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