powerpc/perf: Export PERF_EVENT_CONFIG_EBB_SHIFT to userspace
authorMichael Ellerman <michael@ellerman.id.au>
Tue, 23 Jul 2013 08:07:45 +0000 (18:07 +1000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Thu, 1 Aug 2013 03:11:46 +0000 (13:11 +1000)
We use bit 63 of the event code for userspace to request that the event
be counted using EBB (Event Based Branches). Export this value, making
it part of the API - though only on processors that support EBB.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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