Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d74be476 authored by Andi Kleen's avatar Andi Kleen Committed by Arnaldo Carvalho de Melo
Browse files

perf xyarray: Save max_x, max_y 



Save the original array dimensions in xyarrays, so that users can
retrieve them later. Add some inline functions to access these fields.

Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
Acked-by: default avatarJiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20170811232634.30465-1-andi@firstfloor.org


[ As noticed by Jiri, fix up namespacing: xy__method() -> xyarray__method() ]
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent ba63f76e

tools/perf/util/xyarray.c

+2 −0
Original line number Diff line number Diff line
@@ -12,6 +12,8 @@ struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size) 
		xy->entry_size = entry_size;

		xy->row_size   = row_size;

		xy->entries    = xlen * ylen;

		xy->max_x      = xlen;

		xy->max_y      = ylen;

	}



	return xy;

tools/perf/util/xyarray.h

+12 −0
Original line number Diff line number Diff line
@@ -7,6 +7,8 @@ struct xyarray { 
	size_t row_size;

	size_t entry_size;

	size_t entries;

	size_t max_x;

	size_t max_y;

	char contents[];

};
@@ -19,4 +21,14 @@ static inline void *xyarray__entry(struct xyarray *xy, int x, int y) 
	return &xy->contents[x * xy->row_size + y * xy->entry_size];

}



static inline int xyarray__max_y(struct xyarray *xy)

{

	return xy->max_x;

}



static inline int xyarray__max_x(struct xyarray *xy)

{

	return xy->max_y;

}



#endif /* _PERF_XYARRAY_H_ */