mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-25 12:04:46 +08:00
b45f65e8fd
To zero all the xyarray contents. It will be used in following patches. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1434269985-521-2-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
23 lines
490 B
C
23 lines
490 B
C
#ifndef _PERF_XYARRAY_H_
|
|
#define _PERF_XYARRAY_H_ 1
|
|
|
|
#include <sys/types.h>
|
|
|
|
struct xyarray {
|
|
size_t row_size;
|
|
size_t entry_size;
|
|
size_t entries;
|
|
char contents[];
|
|
};
|
|
|
|
struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
|
|
void xyarray__delete(struct xyarray *xy);
|
|
void xyarray__reset(struct xyarray *xy);
|
|
|
|
static inline void *xyarray__entry(struct xyarray *xy, int x, int y)
|
|
{
|
|
return &xy->contents[x * xy->row_size + y * xy->entry_size];
|
|
}
|
|
|
|
#endif /* _PERF_XYARRAY_H_ */
|