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authorIngo Molnar <mingo@elte.hu>2011-01-04 02:10:28 -0500
committerIngo Molnar <mingo@elte.hu>2011-01-04 02:10:28 -0500
commit928585536ff5a8f320e60efc60e2b7ef2a5f548d (patch)
tree5b12281a00ec049e8c35f1fb2810e111b22c90c0 /tools/perf/util/xyarray.h
parentcc2221969906a166a638aecdbae84a3d0462719e (diff)
parentd854861c4292a4e675a5d3bfd862c5f7421c81e8 (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.h20
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
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+++ 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
6struct xyarray {
7 size_t row_size;
8 size_t entry_size;
9 char contents[];
10};
11
12struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
13void xyarray__delete(struct xyarray *xy);
14
15static 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_ */