Re: [PATCH] perf: make perf.data more self-descriptive (v4)

From: Peter Zijlstra
Date: Mon Sep 12 2011 - 10:43:59 EST


On Mon, 2011-09-12 at 16:40 +0200, Stephane Eranian wrote:
> I don't think this should be the test to detect endianess.

You should be able to tell the endianness from the PERF_MAGIC string, it
stores the string as a u64, so depending on endianness it reads back as
either: PERFFILE or ELIFFREP or whatever the bswap64 result is.
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