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oprofile: make new cpu buffer functions part of the api

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This patch creates the new functions

 oprofile_write_reserve()
 oprofile_add_data()
 oprofile_write_commit()

and makes them part of the oprofile api.

Signed-off-by: Robert Richter <robert.richter@amd.com>
This commit is contained in:
Robert Richter
2009-01-07 21:50:22 +01:00
parent ebf8d974e2
commit 14f0ca8eae
4 changed files with 57 additions and 43 deletions
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18
include/linux/oprofile.h
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@ -164,4 +164,22 @@ void oprofile_put_buff(unsigned long *buf, unsigned int start,
unsigned long oprofile_get_cpu_buffer_size(void);
void oprofile_cpu_buffer_inc_smpl_lost(void);
/* cpu buffer functions */
struct op_sample;
struct op_entry {
struct ring_buffer_event *event;
struct op_sample *sample;
unsigned long irq_flags;
unsigned long size;
unsigned long *data;
};
void oprofile_write_reserve(struct op_entry *entry,
struct pt_regs * const regs,
unsigned long pc, int code, int size);
int oprofile_add_data(struct op_entry *entry, unsigned long val);
int oprofile_write_commit(struct op_entry *entry);
#endif /* OPROFILE_H */