Files
Linux_Drivers/linux_5.10/tools/lib/perf/include/internal/xyarray.h
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

37 lines
788 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LIBPERF_INTERNAL_XYARRAY_H
#define __LIBPERF_INTERNAL_XYARRAY_H
#include <linux/compiler.h>
#include <sys/types.h>
struct xyarray {
size_t row_size;
size_t entry_size;
size_t entries;
size_t max_x;
size_t max_y;
char contents[] __aligned(8);
};
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];
}
static inline int xyarray__max_y(struct xyarray *xy)
{
return xy->max_y;
}
static inline int xyarray__max_x(struct xyarray *xy)
{
return xy->max_x;
}
#endif /* __LIBPERF_INTERNAL_XYARRAY_H */