Re: [PATCH 00/21] perf, c2c: Add new tool to analyze cacheline contention on NUMA systems

[Peter Zijlstra]

On Tue, Feb 11, 2014 at 12:08:56PM +0100, Stephane Eranian wrote:
> Assuming you can decode and get the info about the base registers used,
> you'd have to do this for each arch with load/store sampling capabilities.
> this is painful compared to getting the portable info from dwarf directly.

But its useful now, as compared to whenever GCC gets around to
implementing more dwarves and that GCC getting used widely enough to
actually rely on it.

All you need for the decode is a disassembler, and every arch should
already have multiple of those. Should be easy to reuse one, right?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/