STXXL  1.4-dev
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Public Member Functions | Private Attributes | List of all members
stxxl::stats_data Class Reference
I/O Primitives Layer

Detailed Description

Examples:
examples/applications/skew3.cpp.

Definition at line 428 of file iostats.h.

Public Member Functions

 stats_data ()
 
 stats_data (const stats &s)
 
int64 get_cached_read_volume () const
 
unsigned get_cached_reads () const
 
unsigned get_cached_writes () const
 
int64 get_cached_written_volume () const
 
double get_elapsed_time () const
 
double get_io_wait_time () const
 
double get_pio_time () const
 
double get_pread_time () const
 
double get_pwrite_time () const
 
double get_read_time () const
 
int64 get_read_volume () const
 
unsigned get_reads () const
 
double get_wait_read_time () const
 
double get_wait_write_time () const
 
double get_write_time () const
 
unsigned get_writes () const
 
int64 get_written_volume () const
 
stats_data operator+ (const stats_data &a) const
 
stats_data operator- (const stats_data &a) const
 

Private Attributes

unsigned c_reads
 number of cached operations More...
 
int64 c_volume_read
 number of bytes read/written from/to cache More...
 
int64 c_volume_written
 
unsigned c_writes
 
double elapsed
 
double p_ios
 seconds spent in all parallel I/O operations (read and write) More...
 
double p_reads
 seconds spent in parallel operations More...
 
double p_writes
 
unsigned reads
 number of operations More...
 
double t_reads
 seconds spent in operations More...
 
double t_wait
 seconds spent waiting for completion of I/O operations More...
 
double t_wait_read
 
double t_wait_write
 
double t_writes
 
int64 volume_read
 number of bytes read/written More...
 
int64 volume_written
 
unsigned writes
 

Constructor & Destructor Documentation

stxxl::stats_data::stats_data ( )
inline

Definition at line 450 of file iostats.h.

stxxl::stats_data::stats_data ( const stats &  s)
inline

Definition at line 470 of file iostats.h.

Member Function Documentation

int64 stxxl::stats_data::get_cached_read_volume ( ) const
inline

Definition at line 566 of file iostats.h.

Referenced by stxxl::operator<<().

unsigned stxxl::stats_data::get_cached_reads ( ) const
inline

Definition at line 556 of file iostats.h.

Referenced by stxxl::operator<<().

unsigned stxxl::stats_data::get_cached_writes ( ) const
inline

Definition at line 561 of file iostats.h.

Referenced by stxxl::operator<<().

int64 stxxl::stats_data::get_cached_written_volume ( ) const
inline

Definition at line 571 of file iostats.h.

Referenced by stxxl::operator<<().

double stxxl::stats_data::get_elapsed_time ( ) const
inline

Definition at line 601 of file iostats.h.

Referenced by stxxl::operator<<().

double stxxl::stats_data::get_io_wait_time ( ) const
inline

Definition at line 606 of file iostats.h.

Referenced by stxxl::operator<<().

double stxxl::stats_data::get_pio_time ( ) const
inline

Definition at line 596 of file iostats.h.

Referenced by stxxl::operator<<().

double stxxl::stats_data::get_pread_time ( ) const
inline

Definition at line 586 of file iostats.h.

Referenced by stxxl::operator<<().

double stxxl::stats_data::get_pwrite_time ( ) const
inline

Definition at line 591 of file iostats.h.

Referenced by stxxl::operator<<().

double stxxl::stats_data::get_read_time ( ) const
inline

Definition at line 576 of file iostats.h.

Referenced by stxxl::operator<<().

int64 stxxl::stats_data::get_read_volume ( ) const
inline

Definition at line 546 of file iostats.h.

Referenced by stxxl::operator<<().

unsigned stxxl::stats_data::get_reads ( ) const
inline

Definition at line 536 of file iostats.h.

Referenced by stxxl::operator<<().

double stxxl::stats_data::get_wait_read_time ( ) const
inline

Definition at line 611 of file iostats.h.

Referenced by stxxl::operator<<().

double stxxl::stats_data::get_wait_write_time ( ) const
inline

Definition at line 616 of file iostats.h.

Referenced by stxxl::operator<<().

double stxxl::stats_data::get_write_time ( ) const
inline

Definition at line 581 of file iostats.h.

Referenced by stxxl::operator<<().

unsigned stxxl::stats_data::get_writes ( ) const
inline

Definition at line 541 of file iostats.h.

Referenced by stxxl::operator<<().

int64 stxxl::stats_data::get_written_volume ( ) const
inline

Definition at line 551 of file iostats.h.

Referenced by stxxl::operator<<().

stats_data stxxl::stats_data::operator+ ( const stats_data &  a) const
inline

Definition at line 490 of file iostats.h.

References c_reads, c_volume_read, c_volume_written, c_writes, elapsed, p_ios, p_reads, p_writes, reads, t_reads, t_wait, t_wait_read, t_wait_write, t_writes, volume_read, volume_written, and writes.

stats_data stxxl::stats_data::operator- ( const stats_data &  a) const
inline

Definition at line 513 of file iostats.h.

References c_reads, c_volume_read, c_volume_written, c_writes, elapsed, p_ios, p_reads, p_writes, reads, t_reads, t_wait, t_wait_read, t_wait_write, t_writes, volume_read, volume_written, and writes.

Member Data Documentation

unsigned stxxl::stats_data::c_reads
private

number of cached operations

Definition at line 435 of file iostats.h.

Referenced by operator+(), and operator-().

int64 stxxl::stats_data::c_volume_read
private

number of bytes read/written from/to cache

Definition at line 437 of file iostats.h.

Referenced by operator+(), and operator-().

int64 stxxl::stats_data::c_volume_written
private

Definition at line 437 of file iostats.h.

Referenced by operator+(), and operator-().

unsigned stxxl::stats_data::c_writes
private

Definition at line 435 of file iostats.h.

Referenced by operator+(), and operator-().

double stxxl::stats_data::elapsed
private

Definition at line 447 of file iostats.h.

Referenced by operator+(), and operator-().

double stxxl::stats_data::p_ios
private

seconds spent in all parallel I/O operations (read and write)

Definition at line 443 of file iostats.h.

Referenced by operator+(), and operator-().

double stxxl::stats_data::p_reads
private

seconds spent in parallel operations

Definition at line 441 of file iostats.h.

Referenced by operator+(), and operator-().

double stxxl::stats_data::p_writes
private

Definition at line 441 of file iostats.h.

Referenced by operator+(), and operator-().

unsigned stxxl::stats_data::reads
private

number of operations

Definition at line 431 of file iostats.h.

Referenced by operator+(), and operator-().

double stxxl::stats_data::t_reads
private

seconds spent in operations

Definition at line 439 of file iostats.h.

Referenced by operator+(), and operator-().

double stxxl::stats_data::t_wait
private

seconds spent waiting for completion of I/O operations

Definition at line 445 of file iostats.h.

Referenced by operator+(), and operator-().

double stxxl::stats_data::t_wait_read
private

Definition at line 446 of file iostats.h.

Referenced by operator+(), and operator-().

double stxxl::stats_data::t_wait_write
private

Definition at line 446 of file iostats.h.

Referenced by operator+(), and operator-().

double stxxl::stats_data::t_writes
private

Definition at line 439 of file iostats.h.

Referenced by operator+(), and operator-().

int64 stxxl::stats_data::volume_read
private

number of bytes read/written

Definition at line 433 of file iostats.h.

Referenced by operator+(), and operator-().

int64 stxxl::stats_data::volume_written
private

Definition at line 433 of file iostats.h.

Referenced by operator+(), and operator-().

unsigned stxxl::stats_data::writes
private

Definition at line 431 of file iostats.h.

Referenced by operator+(), and operator-().

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