From: Stephane Eranian <eranian@google.com>
Date: Thu, 8 Mar 2012 22:47:47 +0000 (+0100)
Subject: perf report: Auto-detect branch stack sampling mode
X-Git-Tag: v3.4-rc1~192^2^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=993ac88d5892629fbe1f8a54857f9947f49f0d96;p=pandora-kernel.git

perf report: Auto-detect branch stack sampling mode

This patch enhances perf report to auto-detect when the
perf.data file contains samples with branch stacks. That way it
is not necessary to use the -b option.

To force branch view mode to off, simply use --no-branch-stack.

Signed-off-by: Stephane Eranian <eranian@google.com>
Cc: peterz@infradead.org
Cc: acme@redhat.com
Cc: asharma@fb.com
Cc: ravitillo@lbl.gov
Cc: vweaver1@eecs.utk.edu
Cc: khandual@linux.vnet.ibm.com
Cc: dsahern@gmail.com
Link: http://lkml.kernel.org/r/1331246868-19905-4-git-send-email-eranian@google.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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