| Date | Fri, 18 Jan 2013 15:25:43 -0800 | From | Andi Kleen <> | Subject | Re: [PATCH v6 15/18] perf: add PERF_RECORD_MISC_MMAP_DATA to RECORD_MMAP |
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On Tue, Jan 15, 2013 at 04:39:43PM +0100, Stephane Eranian wrote: > Type of mapping was lost and made it hard for a tool > to distinguish code vs. data mmaps. Perf has the ability > to distinguish the two. > > Use a bit in the header->misc bitmask to keep track of > the mmap type. If PERF_RECORD_MISC_MMAP_DATA is set then > the mapping is not executable (!VM_EXEC). If not set, then > the mapping is executable. > > Signed-off-by: Stephane Eranian <eranian@google.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
-Andi
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