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Diffstat (limited to 'arch/tile/include/asm/memprof.h')
| -rw-r--r-- | arch/tile/include/asm/memprof.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/tile/include/asm/memprof.h b/arch/tile/include/asm/memprof.h new file mode 100644 index 000000000000..359949be28c1 --- /dev/null +++ b/arch/tile/include/asm/memprof.h @@ -0,0 +1,33 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * The hypervisor's memory controller profiling infrastructure allows + * the programmer to find out what fraction of the available memory + * bandwidth is being consumed at each memory controller. The + * profiler provides start, stop, and clear operations to allows + * profiling over a specific time window, as well as an interface for + * reading the most recent profile values. + * + * This header declares IOCTL codes necessary to control memprof. + */ +#ifndef _ASM_TILE_MEMPROF_H +#define _ASM_TILE_MEMPROF_H + +#include <linux/ioctl.h> + +#define MEMPROF_IOCTL_TYPE 0xB4 +#define MEMPROF_IOCTL_START _IO(MEMPROF_IOCTL_TYPE, 0) +#define MEMPROF_IOCTL_STOP _IO(MEMPROF_IOCTL_TYPE, 1) +#define MEMPROF_IOCTL_CLEAR _IO(MEMPROF_IOCTL_TYPE, 2) + +#endif /* _ASM_TILE_MEMPROF_H */ |