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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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Stephane Eranian
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Ingo Molnar
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Mar 9, 2012
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