Hello,
I am Pedro Mendez I am a master student from ETH Zurich, the reason that I am reaching you is because,
right now I am doing some recording of the events happening during launching in a vm, using KVM + qemu,
and for getting the events I am using the trace_pipe of the trace kernel tool utility with KVM, I already have events enable.
I am redirecting the output of the trace_pipe with “cat" to a file so I can the events from the launching, but
when I see the size of the logs I am getting really incongruent results, sometimes I get a file
of 45MB and when I launch again the vm and recording the events of the launching I end up
with a file of 400K or 1.2MB.
I don’t thinks this is normal, I wonder if I am not getting the event from the right place of if I should
use another kernel tool for tracing the events, or do you know if this behaviour is expected
to be normal.
I hope you can tell me more about this or if you have seen this behaviour before.
Thanks
Cheers
Pedro Mendez
*****************************************
ETH Zürich
Pedro Mendez Montejano
Computer Science Master Student
CAB F 88
Universitätstrasse 6
CH-8092 Zürich
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