I/O Primitives Layer

Group of classes which enable abstraction from operating system calls and support system-independent interfaces for asynchronous I/O. More...

Collaboration diagram for I/O Primitives Layer:

Modules
	File I/O Implementations
	Implementations of stxxl::file for various file access methods and operating systems.
	I/O Requests and Queues
	Encapsulation of an I/O request, queues for requests and threads to process them.

Classes
class	stxxl::stats
	Collects various I/O statistics. More...
class	stxxl::stats_data

Functions
std::string	stxxl::add_IEC_binary_multiplier (uint64 number, const char *unit="")
std::string	stxxl::add_SI_multiplier (uint64 number, const char *unit="")
std::string	stxxl::format_with_SI_IEC_unit_multiplier (uint64 number, const char *unit="", int multiplier=1000)
std::ostream &	stxxl::operator<< (std::ostream &o, const stats_data &s)
std::ostream &	stxxl::operator<< (std::ostream &o, const stats &s)

Detailed Description

Group of classes which enable abstraction from operating system calls and support system-independent interfaces for asynchronous I/O.

Function Documentation

std::string stxxl::add_IEC_binary_multiplier ( uint64  number, const char *  unit = ""  )

inline

Definition at line 632 of file iostats.h.

References stxxl::format_with_SI_IEC_unit_multiplier().

std::string stxxl::add_SI_multiplier ( uint64  number, const char *  unit = ""  )

inline

Definition at line 637 of file iostats.h.

References stxxl::format_with_SI_IEC_unit_multiplier().

std::string stxxl::format_with_SI_IEC_unit_multiplier	(	uint64	number,
		const char *	unit = "",
		int	multiplier = 1000
	)

Definition at line 331 of file iostats.cpp.

Referenced by stxxl::add_IEC_binary_multiplier(), and stxxl::add_SI_multiplier().

std::ostream & stxxl::operator<<	(	std::ostream &	o,
		const stats_data &	s
	)

Definition at line 355 of file iostats.cpp.

References stxxl::stats_data::get_cached_read_volume(), stxxl::stats_data::get_cached_reads(), stxxl::stats_data::get_cached_writes(), stxxl::stats_data::get_cached_written_volume(), stxxl::stats_data::get_elapsed_time(), stxxl::stats_data::get_io_wait_time(), stxxl::stats_data::get_pio_time(), stxxl::stats_data::get_pread_time(), stxxl::stats_data::get_pwrite_time(), stxxl::stats_data::get_read_time(), stxxl::stats_data::get_read_volume(), stxxl::stats_data::get_reads(), stxxl::stats_data::get_wait_read_time(), stxxl::stats_data::get_wait_write_time(), stxxl::stats_data::get_write_time(), stxxl::stats_data::get_writes(), stxxl::stats_data::get_written_volume(), and hr.

std::ostream& stxxl::operator<< ( std::ostream &  o, const stats &  s  )

inline

Definition at line 624 of file iostats.h.