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2024-07-25 - 05:26
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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 10 highest latencies:
System rackbslot7.osadl.org (updated Thu Jul 25, 2024 00:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1585621360,3sleep0131ktimers/023:42:190
13679991005,20cyclictest3852-21apt-get21:31:510
13679999937,54cyclictest355-21systemd-logind19:11:390
13684999737,11cyclictest0-21swapper/122:26:401
13679999668,22cyclictest0-21swapper/021:52:040
13679999668,22cyclictest0-21swapper/021:52:040
13684999429,12cyclictest0-21swapper/119:52:121
1367999913,20cyclictest400-21runrttasks23:27:110
1367999913,20cyclictest400-21runrttasks23:27:110
1367999913,19cyclictest3611-21fschecks_time20:12:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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