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/**
* @file opd_perfmon.h
* perfmonctl() handling
*
* @remark Copyright 2003 OProfile authors
* @remark Read the file COPYING
*
* @author John Levon
*/
#ifndef OPD_PERFMON_H
#define OPD_PERFMON_H
#ifdef __ia64__
#include <stdlib.h>
void perfmon_init(void);
void perfmon_exit(void);
void perfmon_start(void);
void perfmon_stop(void);
/* The following is from asm/perfmon.h. When it's installed on
* enough boxes, we can remove this and include the platform
* perfmon.h
*/
typedef unsigned char pfm_uuid_t[16]; /* custom sampling buffer identifier type */
/*
* Request structure used to define a context
*/
typedef struct {
pfm_uuid_t ctx_smpl_buf_id; /* which buffer format to use (if needed) */
unsigned long ctx_flags; /* noblock/block */
unsigned short ctx_nextra_sets; /* number of extra event sets (you always get 1) */
unsigned short ctx_reserved1; /* for future use */
int ctx_fd; /* return arg: unique identification for context */
void *ctx_smpl_vaddr; /* return arg: virtual address of sampling buffer, is used */
unsigned long ctx_reserved2[11];/* for future use */
} pfarg_context_t;
/*
* Request structure used to write/read a PMC or PMD
*/
typedef struct {
unsigned int reg_num; /* which register */
unsigned short reg_set; /* event set for this register */
unsigned short reg_reserved1; /* for future use */
unsigned long reg_value; /* initial pmc/pmd value */
unsigned long reg_flags; /* input: pmc/pmd flags, return: reg error */
unsigned long reg_long_reset; /* reset after buffer overflow notification */
unsigned long reg_short_reset; /* reset after counter overflow */
unsigned long reg_reset_pmds[4]; /* which other counters to reset on overflow */
unsigned long reg_random_seed; /* seed value when randomization is used */
unsigned long reg_random_mask; /* bitmask used to limit random value */
unsigned long reg_last_reset_val;/* return: PMD last reset value */
unsigned long reg_smpl_pmds[4]; /* which pmds are accessed when PMC overflows */
unsigned long reg_smpl_eventid; /* opaque sampling event identifier */
unsigned long reg_reserved2[3]; /* for future use */
} pfarg_reg_t;
typedef struct {
pid_t load_pid; /* process to load the context into */
unsigned short load_set; /* first event set to load */
unsigned short load_reserved1; /* for future use */
unsigned long load_reserved2[3]; /* for future use */
} pfarg_load_t;
#define PFM_WRITE_PMCS 0x01
#define PFM_WRITE_PMDS 0x02
#define PFM_STOP 0x04
#define PFM_START 0x05
#define PFM_CREATE_CONTEXT 0x08
#define PFM_LOAD_CONTEXT 0x10
#define PFM_FL_SYSTEM_WIDE 0x02
#else
void perfmon_init(void)
{
}
void perfmon_exit(void)
{
}
void perfmon_start(void)
{
}
void perfmon_stop(void)
{
}
#endif /* __ia64__ */
#endif /* OPD_PERFMON_H */