operf_sfile.cpp File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <iostream>
#include "operf_sfile.h"
#include "operf_kernel.h"
#include "operf_utils.h"
#include "cverb.h"
#include "op_string.h"
#include "operf_mangling.h"
#include "operf_stats.h"
#include "op_libiberty.h"

Include dependency graph for operf_sfile.cpp:

Defines
#define	HASH_SIZE   2048
#define	HASH_BITS   (HASH_SIZE - 1)
#define	LRU_AMOUNT   256
Typedefs
typedef int(*	operf_sfile_func )(struct operf_sfile *, void *)
Functions
int	operf_sfile_equal (struct operf_sfile const *sf, struct operf_sfile const *sf2)
struct operf_sfile *	operf_sfile_find (struct operf_transient const *trans)
	Find the sfile for the current parameters.
void	operf_sfile_dup (struct operf_sfile *to, struct operf_sfile *from)
void	operf_sfile_log_arc (struct operf_transient const *trans)
	Log a callgraph arc.
void	operf_sfile_log_sample (struct operf_transient const *trans)
	Log the sample in a previously located sfile.
void	operf_sfile_log_sample_count (struct operf_transient const *trans, unsigned long int count)
	Log the event/cycle count in a previously located sfile.
void	operf_sfile_clear_kernel (void)
	clear any sfiles that are for the kernel
void	operf_sfile_sync_files (void)
	sync sample files
void	operf_sfile_close_files (void)
	close sample files
int	operf_sfile_lru_clear (void)
	clear out a certain amount of LRU entries return non-zero if the lru is already empty
void	operf_sfile_get (struct operf_sfile *sf)
	remove a sfile from the lru list, protecting it from operf_sfile_lru_clear()
void	operf_sfile_put (struct operf_sfile *sf)
	add this sfile to lru list
void	operf_sfile_init (void)
	initialise hashes

---

Define Documentation

#define HASH_BITS   (HASH_SIZE - 1)

#define HASH_SIZE   2048

#define LRU_AMOUNT   256

---

Typedef Documentation

typedef int(* operf_sfile_func)(struct operf_sfile *, void *)

---

Function Documentation

void operf_sfile_clear_kernel

(

void

)

clear any sfiles that are for the kernel

void operf_sfile_close_files

(

void

)

close sample files

Referenced by OP_perf_utils::op_release_resources().

void operf_sfile_dup	(	struct operf_sfile *	to,
		struct operf_sfile *	from
	)

References operf_sfile::cg_hash, operf_sfile::files, operf_sfile::hash, operf_sfile::lru, and odb_init().

int operf_sfile_equal	(	struct operf_sfile const *	sf,
		struct operf_sfile const *	sf2
	)

References operf_sfile::app_filename, operf_sfile::app_len, operf_sfile::cpu, operf_sfile::image_len, operf_sfile::image_name, operf_sfile::is_anon, operf_sfile::kernel, operf_sfile::tgid, and operf_sfile::tid.

struct operf_sfile* operf_sfile_find

(

struct operf_transient const *

trans

)

[read]

Find the sfile for the current parameters.

Note that is required that the PC value be set appropriately (needed for kernel images)

References operf_transient::app_filename, operf_transient::app_len, operf_transient::cpu, cverb, operf_sfile::hash, operf_transient::image_len, operf_transient::image_name, operf_transient::in_kernel, operf_transient::is_anon, list_entry, list_for_each, operf_find_kernel_image(), OPERF_LOST_KERNEL, operf_sfile_get(), operf_sfile_put(), operf_stats, operf_transient::pc, operf_transient::tgid, operf_transient::tid, and vsfile.

void operf_sfile_get

(

struct operf_sfile *

sf

)

remove a sfile from the lru list, protecting it from operf_sfile_lru_clear()

References operf_sfile::lru.

Referenced by operf_open_sample_file(), and operf_sfile_find().

void operf_sfile_init

(

void

)

initialise hashes

References HASH_SIZE.

Referenced by OP_perf_utils::op_write_event().

void operf_sfile_log_arc

(

struct operf_transient const *

trans

)

Log a callgraph arc.

References operf_transient::current, cverb, operf_sfile::is_anon, operf_sfile::kernel, operf_transient::last, operf_transient::last_pc, odb_update_node(), OPERF_LOST_SAMPLEFILE, operf_stats, operf_transient::pc, operf_kernel_image::start, operf_sfile::start_addr, and varcs.

void operf_sfile_log_sample

(

struct operf_transient const *

trans

)

Log the sample in a previously located sfile.

References operf_sfile_log_sample_count().

void operf_sfile_log_sample_count	(	struct operf_transient const *	trans,
		unsigned long int	count
	)

Log the event/cycle count in a previously located sfile.

References operf_transient::current, cverb, operf_transient::in_kernel, operf_sfile::is_anon, operf_sfile::kernel, odb_update_node_with_offset(), OPERF_KERNEL, OPERF_LOST_SAMPLEFILE, OPERF_PROCESS, OPERF_SAMPLES, operf_stats, operf_transient::pc, operf_kernel_image::start, operf_sfile::start_addr, and vsfile.

Referenced by operf_sfile_log_sample().

int operf_sfile_lru_clear

(

void

)

clear out a certain amount of LRU entries return non-zero if the lru is already empty

References list_entry, list_for_each_safe, operf_sfile::lru, and LRU_AMOUNT.

Referenced by operf_open_sample_file().

void operf_sfile_put

(

struct operf_sfile *

sf

)

add this sfile to lru list

References operf_sfile::lru.

Referenced by operf_open_sample_file(), and operf_sfile_find().

void operf_sfile_sync_files

(

void

)

sync sample files