cvs commit: src/gnu/usr.bin/groff/tmac mdoc.local src/lib
Makefile src/lib/libpmc Makefile libpmc.c pmc.3 pmc.h
hwpmc.ms src/share/examples/hwpmc README src/share/man/man4
Alexander at Leidinger.net
Wed Apr 20 02:32:38 PDT 2005
David O'Brien <obrien at freebsd.org> wrote:
>> I assume this is like a portable version of the measurement backend in
>> Intels VTune... at least I assume VTune does something like this
> Not quite - it isn't purely an Intel thing; nor is accessing event
That's the reason why I wrote "portable". :-)
> counters all VTune does.
Yes, but the other things VTune does (e.g. code analysis, knowledge about
internals of the CPU to visualize pipeline behavior, knowledge about code
structure pitfalls to optimize for more vectorization) doesn't belong into a
performance monitoring API/implementation.
http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7
http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137
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