xref: /freebsd-10.0-release/sys/contrib/octeon-sdk/cvmx-profiler.h

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/**
 * @file
 *
 * Header file for the event Profiler.
 *
 */

#ifndef __CVMX_PROFILER_H__
#define __CVMX_PROFILER_H__

#ifdef  __cplusplus
extern "C" {
#endif

#define EVENT_PERCPU_BUFFER_SIZE	8192
#define PADBYTES			24

#define	EVENT_BUFFER_BLOCK		"event_block"
#define EVENT_BUFFER_SIZE		EVENT_PERCPU_BUFFER_SIZE * (cvmx_octeon_num_cores() + 1)

#define EVENT_BUFFER_CONFIG_BLOCK	"event_config_block"
#define EBC_BLOCK_SIZE			256

typedef struct {
    int core;
    uint32_t pc;
} cvmx_sample_entry_t;

typedef struct cpu_event_block {
    int size;
    int sample_read;
    int64_t max_samples;
    int64_t sample_count;
    char *head;
    char *tail;
    char *end;
    char *data;
} cvmx_cpu_event_block_t;

typedef struct {
    cvmx_cpu_event_block_t pcpu_blk_info;
    char *pcpu_data;
} cvmx_ringbuf_t;

typedef struct config_block {
    int64_t sample_count;
    uint64_t events;
    char *pcpu_base_addr[CVMX_MAX_CORES];
} cvmx_config_block_t;

typedef struct event_counter_control_block {
    int32_t read_cfg_blk;
    char *config_blk_base_addr;
    cvmx_config_block_t cfg_blk;
} event_counter_control_block_t;

extern void cvmx_update_perfcnt_irq(void);
extern void cvmx_collect_sample(void);

#ifdef  __cplusplus
}
#endif

#endif	/*  __CVMX_PROFILER_H__ */