From: Andi Kleen <[email protected]> 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: Andi Kleen <[email protected]> Acked-by: Jiri Olsa <[email protected]> Link: http://lkml.kernel.org/r/[email protected] [ As noticed by Jiri, fix up namespacing: xy__method() -> xyarray__method() ] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/util/xyarray.c | 2 ++ tools/perf/util/xyarray.h | 12 ++++++++++++ 2 files changed, 14 insertions(+) diff --git a/tools/perf/util/xyarray.c b/tools/perf/util/xyarray.c index 7251fdbabced..c8f415d9877b 100644 --- a/tools/perf/util/xyarray.c +++ b/tools/perf/util/xyarray.c @@ -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; diff --git a/tools/perf/util/xyarray.h b/tools/perf/util/xyarray.h index 7f30af371b7e..4ba726c90870 100644 --- a/tools/perf/util/xyarray.h +++ b/tools/perf/util/xyarray.h @@ -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_ */ -- 2.13.5
