scoped_print_iostats Class Reference

Detailed Description

Simple scoped iostats reporter which takes a message and reports the relative IO performance on destruction.

Definition at line 660 of file iostats.hpp.

Collaboration diagram for scoped_print_iostats:

#include <iostats.hpp>

Public Member Functions
	scoped_print_iostats (const std::string &message, const std::string key, uint64_t bytes)
	Start time and configure report-style. More...
	scoped_print_iostats (const std::string &message, uint64_t bytes=0)
	scoped_print_iostats (uint64_t bytes=0)
	~scoped_print_iostats ()
	on destruction: report stats More...
void	final_report ()
	Same as report() but disables reporting on destruction. More...
const foxxll::stats_data &	initial_stats () const
	stats at initialization More...
void	report () const
	print out relative stats via LOG More...

Protected Attributes
foxxll::stats_data	begin_
	initial io-stats More...
uint64_t	bytes_
	bytes processed More...
std::string	key_
std::string	message_
	message More...
bool	report_on_destruction_
	report on destruction More...

Constructor & Destructor Documentation

scoped_print_iostats() [1/3]

scoped_print_iostats ( const std::string &  message, const std::string  key, uint64_t  bytes  )

inline

Start time and configure report-style.

Parameters

message	Description displayed on the first line of the report
key	Line prefix displayed at the beginning of every line but the first
bytes	Used to compute MB/s as an initial overview

Definition at line 684 of file iostats.hpp.

References TLX_LOG1.

scoped_print_iostats() [2/3]

scoped_print_iostats ( const std::string &  message, uint64_t  bytes = 0  )

inlineexplicit

Definition at line 694 of file iostats.hpp.

scoped_print_iostats() [3/3]

scoped_print_iostats ( uint64_t  bytes = 0 )

inlineexplicit

Definition at line 698 of file iostats.hpp.

~scoped_print_iostats()

~scoped_print_iostats ( )

inline

on destruction: report stats

Definition at line 719 of file iostats.hpp.

Member Function Documentation

final_report()

void final_report ( )

inline

Same as report() but disables reporting on destruction.

Definition at line 712 of file iostats.hpp.

initial_stats()

const foxxll::stats_data& initial_stats ( ) const

inline

stats at initialization

Definition at line 703 of file iostats.hpp.

report()

void report

(

)

const

print out relative stats via LOG

Definition at line 813 of file iostats.cpp.

References tlx::format_iec_units(), stats_data::get_elapsed_time(), singleton< stats >::get_instance(), and TLX_LOG1.

Member Data Documentation

begin_

foxxll::stats_data begin_

protected

initial io-stats

Definition at line 668 of file iostats.hpp.

bytes_

uint64_t bytes_

protected

bytes processed

Definition at line 671 of file iostats.hpp.

key_

std::string key_

protected

Definition at line 665 of file iostats.hpp.

message_

std::string message_

protected

message

Definition at line 664 of file iostats.hpp.

report_on_destruction_

bool report_on_destruction_

protected

report on destruction

Definition at line 674 of file iostats.hpp.

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The documentation for this class was generated from the following files:

• extlib/foxxll/foxxll/io/iostats.hpp
• extlib/foxxll/foxxll/io/iostats.cpp