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

From: Peter Zijlstra
Date: Tue Feb 11 2014 - 07:09:39 EST


On Tue, Feb 11, 2014 at 08:50:13AM -0300, Arnaldo Carvalho de Melo wrote:
> 3) PERF_SAMPLE_REGS_USER (from a quick look, why do we have "USER" in
> it? Jiri?)

Note that the regs are in the POST instruction state, so any op that
does something like:

MOV %edx, $(eax+edx*8)

Will have lost the original index value.
--
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/