ocf_stats.h File Reference

OCF API for updating and reseting statistics. More...

Go to the source code of this file.

Data Structures
struct	ocf_stat
struct	ocf_stats_usage
	Usage statistics in 4 KiB unit. More...
struct	ocf_stats_requests
	Requests statistcs. More...
struct	ocf_stats_blocks
	Block statistics. More...
struct	ocf_stats_errors
	Errors statistics. More...

Functions
int	ocf_stats_collect_cache (ocf_cache_t cache, struct ocf_stats_usage *usage, struct ocf_stats_requests *req, struct ocf_stats_blocks *blocks, struct ocf_stats_errors *errors)
int	ocf_stats_collect_core (ocf_core_t core, struct ocf_stats_usage *usage, struct ocf_stats_requests *req, struct ocf_stats_blocks *blocks, struct ocf_stats_errors *errors)
int	ocf_stats_collect_part_core (ocf_core_t core, ocf_part_id_t part_id, struct ocf_stats_usage *usage, struct ocf_stats_requests *req, struct ocf_stats_blocks *blocks)
int	ocf_stats_collect_part_cache (ocf_cache_t cache, ocf_part_id_t part_id, struct ocf_stats_usage *usage, struct ocf_stats_requests *req, struct ocf_stats_blocks *blocks)
void	ocf_core_stats_initialize (ocf_core_t core)
	Initialize or reset core statistics. More...
void	ocf_core_stats_initialize_all (ocf_cache_t cache)
	Initialize or reset statistics of all cores in cache. More...

Detailed Description

OCF API for updating and reseting statistics.

This file contains routines pertaining to manipulation of OCF IO statistics.

Function Documentation

ocf_core_stats_initialize()

void ocf_core_stats_initialize

(

ocf_core_t

core

)

Initialize or reset core statistics.

Initialize or reset counters used for statistics.

Parameters

[in]

core

Core handle

ocf_core_stats_initialize_all()

void ocf_core_stats_initialize_all

(

ocf_cache_t

cache

)

Initialize or reset statistics of all cores in cache.

Initialize or reset counters used for statistics.

Parameters

[in]

cache

Cache handle

ocf_stats_collect_cache()

int ocf_stats_collect_cache	(	ocf_cache_t	cache,
		struct ocf_stats_usage *	usage,
		struct ocf_stats_requests *	req,
		struct ocf_stats_blocks *	blocks,
		struct ocf_stats_errors *	errors
	)

Parameters

Collect	statistics for given cache
cache	Cache instance for which statistics will be collected
usage	Usage statistics
req	Request statistics
blocks	Blocks statistics
errors	Errors statistics

Return values

0	Success
Non-zero	Error

ocf_stats_collect_core()

int ocf_stats_collect_core	(	ocf_core_t	core,
		struct ocf_stats_usage *	usage,
		struct ocf_stats_requests *	req,
		struct ocf_stats_blocks *	blocks,
		struct ocf_stats_errors *	errors
	)

Parameters

Collect	statistics for given core
core	Core for which statistics will be collected
usage	Usage statistics
req	Request statistics
blocks	Blocks statistics
errors	Errors statistics

Return values

0	Success
Non-zero	Error

ocf_stats_collect_part_cache()

int ocf_stats_collect_part_cache	(	ocf_cache_t	cache,
		ocf_part_id_t	part_id,
		struct ocf_stats_usage *	usage,
		struct ocf_stats_requests *	req,
		struct ocf_stats_blocks *	blocks
	)

Parameters

Collect	statistics for given ioclass
cache	Cache instance for which statistics will be collected
part_id	Ioclass id for which statistics will be collected
usage	Usage statistics
req	Request statistics
blocks	Blocks statistics

Return values

0	Success
Non-zero	Error

ocf_stats_collect_part_core()

int ocf_stats_collect_part_core	(	ocf_core_t	core,
		ocf_part_id_t	part_id,
		struct ocf_stats_usage *	usage,
		struct ocf_stats_requests *	req,
		struct ocf_stats_blocks *	blocks
	)

Parameters

Collect	statistics for given ioclass
core	Core handle for which statistics will be collected
part_id	Ioclass id for which statistics will be collected
usage	Usage statistics
req	Request statistics
blocks	Blocks statistics

Return values

0	Success
Non-zero	Error