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2024-11-25 - 11:12
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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 Mon Nov 25, 2024 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11992204189,10sleep10-21swapper/119:09:201
10572189173,11sleep30-21swapper/319:07:293
10762187170,12sleep00-21swapper/019:07:420
1140210184,13sleep20-21swapper/219:08:332
23192450,0sleep10-21swapper/100:10:131
25462430,0sleep10-21swapper/122:15:311
69212110,0sleep00-21swapper/022:01:490
10544290,0sleep30-21swapper/321:15:323
14399972,4cyclictest21600-21ssh23:14:050
14399964,2cyclictest0-21swapper/021:29:410
14399960,6cyclictest0-21swapper/019:10:120
14399960,3cyclictest27975-21idleruntime-cro21:25:010
6757250,0sleep20-21swapper/223:55:202
14539955,0cyclictest27506-21kworker/3:222:27:413
14539955,0cyclictest0-21swapper/323:40:143
14539953,2cyclictest27506-21kworker/3:223:46:023
14539953,1cyclictest5173-21/usr/sbin/munin20:20:123
14539952,3cyclictest28896-21ssh00:06:443
14539950,5cyclictest0-21swapper/322:55:163
14539950,5cyclictest0-21swapper/321:20:153
14539950,5cyclictest0-21swapper/300:24:103
14539950,4cyclictest61-21kswapd022:20:103
14539950,4cyclictest18741-21users21:35:213
14539950,4cyclictest0-21swapper/323:30:153
14539950,4cyclictest0-21swapper/319:20:103
14539950,0cyclictest0-21swapper/322:30:323
14489952,3cyclictest30997-21snmpd22:51:052
14489951,2cyclictest0-21swapper/219:40:132
14489950,5cyclictest3228-21ssh21:28:242
14489950,5cyclictest0-21swapper/221:38:452
14489950,5cyclictest0-21swapper/200:24:472
14439951,3cyclictest0-21swapper/119:30:121
14439951,2cyclictest0-21swapper/123:15:101
14439951,2cyclictest0-21swapper/122:30:151
14439951,2cyclictest0-21swapper/119:40:131
14439951,2cyclictest0-21swapper/100:15:111
14439950,5cyclictest0-21swapper/122:46:461
14439950,5cyclictest0-21swapper/121:41:351
14399952,3cyclictest0-21swapper/023:55:130
14399952,3cyclictest0-21swapper/023:45:080
14399952,3cyclictest0-21swapper/023:41:330
14399952,3cyclictest0-21swapper/023:36:170
14399952,3cyclictest0-21swapper/023:21:530
14399952,3cyclictest0-21swapper/022:55:170
14399952,3cyclictest0-21swapper/022:45:170
14399952,3cyclictest0-21swapper/022:25:410
14399952,3cyclictest0-21swapper/021:55:130
14399952,3cyclictest0-21swapper/021:51:090
14399952,3cyclictest0-21swapper/021:40:250
14399952,3cyclictest0-21swapper/021:15:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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