From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 19 Mar 2009 19:26:18 +0000 (+0100)
Subject: perf_counter: revamp syscall input ABI
X-Git-Tag: v2.6.31-rc1~383^2~466
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b8e83514b64577b48bfb794fe85fcde40a9343ca;p=pandora-kernel.git

perf_counter: revamp syscall input ABI

Impact: modify ABI

The hardware/software classification in hw_event->type became a little
strained due to the addition of tracepoint tracing.

Instead split up the field and provide a type field to explicitly specify
the counter type, while using the event_id field to specify which event to
use.

Raw counters still work as before, only the raw config now goes into
raw_event.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Orig-LKML-Reference: <20090319194233.836807573@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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