[mirror_ubuntu-artful-kernel.git] / arch / x86 / include / asm / intel_ds.h

#ifndef _ASM_INTEL_DS_H
#define _ASM_INTEL_DS_H

#include <linux/percpu-defs.h>

#define BTS_BUFFER_SIZE		(PAGE_SIZE << 4)
#define PEBS_BUFFER_SIZE	(PAGE_SIZE << 4)

/* The maximal number of PEBS events: */
#define MAX_PEBS_EVENTS		8

/*
 * A debug store configuration.
 *
 * We only support architectures that use 64bit fields.
 */
struct debug_store {
	u64	bts_buffer_base;
	u64	bts_index;
	u64	bts_absolute_maximum;
	u64	bts_interrupt_threshold;
	u64	pebs_buffer_base;
	u64	pebs_index;
	u64	pebs_absolute_maximum;
	u64	pebs_interrupt_threshold;
	u64	pebs_event_reset[MAX_PEBS_EVENTS];
} __aligned(PAGE_SIZE);

DECLARE_PER_CPU_PAGE_ALIGNED(struct debug_store, cpu_debug_store);

struct debug_store_buffers {
	char	bts_buffer[BTS_BUFFER_SIZE];
	char	pebs_buffer[PEBS_BUFFER_SIZE];
};

#endif
Commit	Line	Data
4b9996f9 TG	1	#ifndef _ASM_INTEL_DS_H
	2	#define _ASM_INTEL_DS_H
	3
	4	#include <linux/percpu-defs.h>
	5
	6	#define BTS_BUFFER_SIZE (PAGE_SIZE << 4)
	7	#define PEBS_BUFFER_SIZE (PAGE_SIZE << 4)
	8
	9	/* The maximal number of PEBS events: */
	10	#define MAX_PEBS_EVENTS 8
	11
	12	/*
	13	* A debug store configuration.
	14	*
	15	* We only support architectures that use 64bit fields.
	16	*/
	17	struct debug_store {
	18	u64 bts_buffer_base;
	19	u64 bts_index;
	20	u64 bts_absolute_maximum;
	21	u64 bts_interrupt_threshold;
	22	u64 pebs_buffer_base;
	23	u64 pebs_index;
	24	u64 pebs_absolute_maximum;
	25	u64 pebs_interrupt_threshold;
	26	u64 pebs_event_reset[MAX_PEBS_EVENTS];
	27	} __aligned(PAGE_SIZE);
	28
	29	DECLARE_PER_CPU_PAGE_ALIGNED(struct debug_store, cpu_debug_store);
	30
	31	struct debug_store_buffers {
	32	char bts_buffer[BTS_BUFFER_SIZE];
	33	char pebs_buffer[PEBS_BUFFER_SIZE];
	34	};
	35
	36	#endif