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author | Ingo Molnar <mingo@elte.hu> | 2011-01-04 02:10:28 -0500 |
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committer | Ingo Molnar <mingo@elte.hu> | 2011-01-04 02:10:28 -0500 |
commit | 928585536ff5a8f320e60efc60e2b7ef2a5f548d (patch) | |
tree | 5b12281a00ec049e8c35f1fb2810e111b22c90c0 /tools/perf/util/xyarray.h | |
parent | cc2221969906a166a638aecdbae84a3d0462719e (diff) | |
parent | d854861c4292a4e675a5d3bfd862c5f7421c81e8 (diff) |
Merge branch 'perf/test' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/core
Diffstat (limited to 'tools/perf/util/xyarray.h')
-rw-r--r-- | tools/perf/util/xyarray.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/perf/util/xyarray.h b/tools/perf/util/xyarray.h new file mode 100644 index 000000000000..c488a07275dd --- /dev/null +++ b/tools/perf/util/xyarray.h | |||
@@ -0,0 +1,20 @@ | |||
1 | #ifndef _PERF_XYARRAY_H_ | ||
2 | #define _PERF_XYARRAY_H_ 1 | ||
3 | |||
4 | #include <sys/types.h> | ||
5 | |||
6 | struct xyarray { | ||
7 | size_t row_size; | ||
8 | size_t entry_size; | ||
9 | char contents[]; | ||
10 | }; | ||
11 | |||
12 | struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size); | ||
13 | void xyarray__delete(struct xyarray *xy); | ||
14 | |||
15 | static inline void *xyarray__entry(struct xyarray *xy, int x, int y) | ||
16 | { | ||
17 | return &xy->contents[x * xy->row_size + y * xy->entry_size]; | ||
18 | } | ||
19 | |||
20 | #endif /* _PERF_XYARRAY_H_ */ | ||