Hi,
I am trying to use the TSX event modifiers for libpfm4 on Intel Haswell
microarchitecture. But it doesn't seem to be working for me. The counts
that I see for performance events are the same with or without the
intx/intxcp attibute. Following is an example of command that I run:
task -i -e UNHALTED_CORE_CYCLES:intx ./tsx_example
The count for UNHALTED_CORE_CYCLES remains the same with and without intx
attribute. The intxcp attribute also doesn't make a difference. Intel's
PCM-TSX tool for the same code shows that cycles spent within transaction
are only 56% of the total cycles.
Bhavi
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