sb_tbprof.c File Reference

#include <linux/device.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/vmalloc.h>
#include <linux/fs.h>
#include <linux/errno.h>
#include <linux/wait.h>
#include <asm/io.h>
#include <asm/sibyte/sb1250.h>
#include <asm/uaccess.h>

Go to the source code of this file.

Data Structures
struct	sbprof_tb

Macros
#define	SBPROF_TB_MAJOR   240
#define	MAX_SAMPLE_BYTES   (24*1024*1024)
#define	MAX_TBSAMPLE_BYTES   (12*1024*1024)
#define	MAX_SAMPLES   (MAX_SAMPLE_BYTES/sizeof(u_int32_t))
#define	TB_SAMPLE_SIZE   (sizeof(tb_sample_t))
#define	MAX_TB_SAMPLES   (MAX_TBSAMPLE_BYTES/TB_SAMPLE_SIZE)
#define	SBPROF_ZBSTART   _IOW('s', 0, int)
#define	SBPROF_ZBSTOP   _IOW('s', 1, int)
#define	SBPROF_ZBWAITFULL   _IOW('s', 2, int)
#define	zclk_timer_init(val)
#define	zclk_get(val)
#define	DEVNAME   "sb_tbprof"
#define	TB_FULL   (sbp.next_tb_sample == MAX_TB_SAMPLES)

Typedefs
typedef u64	tb_sample_t [6 *256]

Enumerations
enum	open_status { SB_CLOSED, SB_OPENING, SB_OPEN }

Functions
	module_init (sbprof_tb_init)
	module_exit (sbprof_tb_cleanup)
	MODULE_ALIAS_CHARDEV_MAJOR (SBPROF_TB_MAJOR)
	MODULE_AUTHOR ("Ralf Baechle <[email protected]>")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define DEVNAME   "sb_tbprof"

Definition at line 134 of file sb_tbprof.c.

#define MAX_SAMPLE_BYTES   (24*1024*1024)

Definition at line 83 of file sb_tbprof.c.

#define MAX_SAMPLES   (MAX_SAMPLE_BYTES/sizeof(u_int32_t))

Definition at line 86 of file sb_tbprof.c.

#define MAX_TB_SAMPLES   (MAX_TBSAMPLE_BYTES/TB_SAMPLE_SIZE)

Definition at line 88 of file sb_tbprof.c.

#define MAX_TBSAMPLE_BYTES   (12*1024*1024)

Definition at line 84 of file sb_tbprof.c.

#define SBPROF_TB_MAJOR   240

Definition at line 58 of file sb_tbprof.c.

#define SBPROF_ZBSTART   _IOW('s', 0, int)

Definition at line 91 of file sb_tbprof.c.

#define SBPROF_ZBSTOP   _IOW('s', 1, int)

Definition at line 92 of file sb_tbprof.c.

#define SBPROF_ZBWAITFULL   _IOW('s', 2, int)

Definition at line 93 of file sb_tbprof.c.

#define TB_FULL   (sbp.next_tb_sample == MAX_TB_SAMPLES)

Definition at line 136 of file sb_tbprof.c.

#define TB_SAMPLE_SIZE   (sizeof(tb_sample_t))

Definition at line 87 of file sb_tbprof.c.

#define zclk_get

(

val

)

Value:

__asm__ __volatile__ (".set push;" \
            ".set mips64;" \
            "la   $8, 0xb00204c0;" /* SCD perf_cnt_cfg */ \
            "ld   %0, 0x10($8);"   /* write val to counter0 */ \
            ".set pop" \
            : /* outputs */ "=r"(val) \
            : /* inputs */ \
            : /* modifies */ "$8" )

Definition at line 124 of file sb_tbprof.c.

#define zclk_timer_init

(

val

)

Value:

__asm__ __volatile__ (".set push;" \
            ".set mips64;" \
            "la   $8, 0xb00204c0;" /* SCD perf_cnt_cfg */ \
            "sd   %0, 0x10($8);"   /* write val to counter0 */ \
            "sd   %1, 0($8);"      /* config counter0 for zclks*/ \
            ".set pop" \
            : /* no outputs */ \
                             /* enable, counter0 */ \
            : /* inputs */ "r"(val), "r" ((1ULL << 33) | 1ULL) \
            : /* modifies */ "$8" )

Definition at line 109 of file sb_tbprof.c.

Typedef Documentation

typedef u64 tb_sample_t[6 *256]

Definition at line 60 of file sb_tbprof.c.

Enumeration Type Documentation

enum open_status

Enumerator:

SB_CLOSED
SB_OPENING
SB_OPEN

Definition at line 62 of file sb_tbprof.c.

Function Documentation

MODULE_ALIAS_CHARDEV_MAJOR

(

SBPROF_TB_MAJOR

)

MODULE_AUTHOR

(

"Ralf Baechle <[email protected]>"

)

module_exit

(

sbprof_tb_cleanup

)

module_init

(

sbprof_tb_init

)

MODULE_LICENSE

(

"GPL"

)