op_header.h File Reference

#include <iosfwd>
#include <string>
#include "op_sample_file.h"

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Functions
void	op_check_header (opd_header const &h1, opd_header const &h2, std::string const &filename)
bool	is_jit_sample (std::string const &filename)
void	check_mtime (std::string const &file, opd_header const &header)
opd_header const	read_header (std::string const &sample_filename)
std::string const	describe_header (opd_header const &header)
std::string const	describe_cpu (opd_header const &header)
	output a readable form of cpu type and speed

---

Detailed Description

various free function acting on a sample file header

Remarks:

Copyright 2002 OProfile authors

Read the file COPYING

Author:

John Levon

Philippe Elie

Definition in file op_header.h.

---

Function Documentation

void check_mtime	(	std::string const &	file,
		opd_header const &	header
	)

check mtime of samples file header against file all error are fatal

std::string const describe_cpu

(

opd_header const &

header

)

output a readable form of cpu type and speed

Definition at line 246 of file op_header.cpp.

References opd_header::cpu_speed, opd_header::cpu_type, xml_utils::get_profile_header(), op_get_cpu_name(), op_get_cpu_type_str(), and want_xml.

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std::string const describe_header

(

opd_header const &

header

)

output a readable form of header, this don't include the cpu type and speed

Definition at line 233 of file op_header.cpp.

References opd_header::cpu_type, opd_header::ctr_count, opd_header::ctr_event, opd_header::ctr_um, and want_xml.

bool is_jit_sample

(

std::string const &

filename

)

void op_check_header	(	opd_header const &	h1,
		opd_header const &	h2,
		std::string const &	filename
	)

Parameters:

	h1	sample file header
	h2	sample file header
	filename	sample filename

check that the h1 and h2 are coherent (same size, same mtime etc.) all error are fatal

opd_header const read_header

(

std::string const &

sample_filename

)

Parameters:

sample_filename

the sample to open

Return the header of this sample file. Only the magic number is checked the version number is not checked. All error are fatal