diff options
| author | Andi Kleen <ak@linux.intel.com> | 2017-08-11 16:26:16 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-08-22 11:51:28 -0300 |
| commit | d74be47673676eded2f0bb8274e752bed32c42d8 (patch) | |
| tree | 2711d906813ca52a32d2595b6f55fd27704fc529 /tools/perf/util | |
| parent | ba63f76e22ee723819c8cec86b31f7ea3182b2ed (diff) | |
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: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri 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: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/xyarray.c | 2 | ||||
| -rw-r--r-- | tools/perf/util/xyarray.h | 12 |
2 files changed, 14 insertions, 0 deletions
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_ */ |