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/* THIS IS OPEN SOURCE CODE */
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/**
* @file linux-L2unit.h
* @author Heike Jagode
* jagode@eecs.utk.edu
* Mods: < your name here >
* < your email address >
* BGPM / L2unit component
*
* Tested version of bgpm (early access)
*
* @brief
* This file has the source code for a component that enables PAPI-C to
* access hardware monitoring counters for BG/Q through the bgpm library.
*/
#ifndef _PAPI_L2UNIT_H
#define _PAPI_L2UNIT_H
#include "papi.h"
#include "papi_internal.h"
#include "papi_vector.h"
#include "papi_memory.h"
#include "extras.h"
#include "../../../linux-bgq-common.h"
/************************* DEFINES SECTION ***********************************
*******************************************************************************/
/* this number assumes that there will never be more events than indicated */
#define L2UNIT_MAX_COUNTERS UPC_L2_NUM_COUNTERS
#define L2UNIT_MAX_EVENTS PEVT_L2UNIT_LAST_EVENT
#define OFFSET ( PEVT_PUNIT_LAST_EVENT + 1 )
/* Stores private information for each event */
typedef struct L2UNIT_register
{
unsigned int selector;
/* Signifies which counter slot is being used */
/* Indexed from 1 as 0 has a special meaning */
} L2UNIT_register_t;
/* Used when doing register allocation */
typedef struct L2UNIT_reg_alloc
{
L2UNIT_register_t ra_bits;
} L2UNIT_reg_alloc_t;
typedef struct L2UNIT_overflow
{
int threshold;
int EventIndex;
} L2UNIT_overflow_t;
/* Holds control flags */
typedef struct L2UNIT_control_state
{
int EventGroup;
int EventGroup_local[512];
int count;
long long counters[L2UNIT_MAX_COUNTERS];
int overflow; // overflow enable
int overflow_count;
L2UNIT_overflow_t overflow_list[512];
int bgpm_eventset_applied; // BGPM eventGroup applied yes or no flag
} L2UNIT_control_state_t;
/* Holds per-thread information */
typedef struct L2UNIT_context
{
L2UNIT_control_state_t state;
} L2UNIT_context_t;
#endif /* _PAPI_L2UNIT_H */