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2025-04-02 - 08:29
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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 Wed Apr 02, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
105642201184,12sleep10-21swapper/119:06:481
105112196179,13sleep00-21swapper/019:06:050
104942193176,12sleep30-21swapper/319:05:523
105132165147,13sleep20-21swapper/219:06:072
21262470,0sleep20-21swapper/221:25:242
64282420,0sleep10-21swapper/100:17:131
96302400,0sleep10-21swapper/122:02:451
267952400,0sleep20-21swapper/222:11:592
232742130,0sleep20-21swapper/219:30:212
52992110,0sleep10-21swapper/100:00:001
1099099103,1cyclictest3-21ksoftirqd/023:15:010
109909991,1cyclictest3-21ksoftirqd/000:29:590
26422280,0sleep10-21swapper/100:10:361
109909981,2cyclictest0-21swapper/020:45:130
109909972,1cyclictest3-21ksoftirqd/020:10:160
109909971,2cyclictest3-21ksoftirqd/023:40:130
109909970,1cyclictest81rcu_preempt00:20:110
109909970,1cyclictest10691-21kworker/0:119:35:000
109909965,0cyclictest3-21ksoftirqd/000:00:210
109909964,1cyclictest3-21ksoftirqd/021:40:120
109909964,0cyclictest3-21ksoftirqd/023:25:000
109909964,0cyclictest3-21ksoftirqd/022:50:090
109909964,0cyclictest3-21ksoftirqd/022:35:000
109909964,0cyclictest3-21ksoftirqd/021:30:150
109909964,0cyclictest3-21ksoftirqd/021:05:210
109909964,0cyclictest3-21ksoftirqd/019:20:000
109909963,1cyclictest3-21ksoftirqd/022:55:120
109909962,1cyclictest3-21ksoftirqd/023:10:000
109909962,0cyclictest81rcu_preempt23:20:010
109909962,0cyclictest81rcu_preempt21:10:220
109909961,3cyclictest3-21ksoftirqd/023:30:430
109909960,6cyclictest0-21swapper/022:09:150
109909960,3cyclictest809-21basename22:50:010
109909960,2cyclictest3-21ksoftirqd/020:10:000
109909960,2cyclictest3-21ksoftirqd/000:10:000
109909960,1cyclictest6955-21pmu-power22:35:180
109909960,1cyclictest0-21swapper/000:10:110
109909960,0cyclictest10639-21smartctl22:20:150
23898250,0sleep10-21swapper/121:36:201
110049954,1cyclictest19054-21ssh21:34:433
110049950,5cyclictest9573-21ssh22:20:083
110049950,5cyclictest0-21swapper/323:26:013
110049950,5cyclictest0-21swapper/323:00:343
110049950,5cyclictest0-21swapper/300:39:493
110049950,4cyclictest2295-21apt-get19:55:133
110049950,4cyclictest21595-21df_inode20:40:143
109999953,1cyclictest20785-21ls23:00:012
109999950,5cyclictest0-21swapper/223:45:512
109999950,5cyclictest0-21swapper/223:19:482
109999950,5cyclictest0-21swapper/222:46:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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