bcache::perf Namespace Reference

Performance profiling functions. More...

Classes
class	perf_scope_t
	A scoped perf logger. More...

Enumerations
enum	id_t {   ID_FIND_EXECUTABLE = 0, ID_FIND_WRAPPER = 1, ID_LUA_INIT = 2, ID_LUA_LOAD_SCRIPT = 3,   ID_LUA_RUN = 4, ID_RESOLVE_ARGS = 5, ID_GET_CAPABILITIES = 6, ID_PREPROCESS = 7,   ID_FILTER_ARGS = 8, ID_GET_PRG_ID = 9, ID_CACHE_LOOKUP = 10, ID_RETRIEVE_CACHED_FILES = 11,   ID_GET_BUILD_FILES = 12, ID_RUN_FOR_MISS = 13, ID_ADD_TO_CACHE = 14, ID_RUN_FOR_FALLBACK = 15,   ID_UPDATE_STATS = 16, ID_TOTAL = 17, ID_HASH_EXTRA_FILES = 18, ID_HASH_INPUT_FILES = 19,   ID_HASH_INCLUDE_FILES = 20, NUM_PERF_IDS }
	Recognized instrumentation IDs.

Functions
int64_t	start ()
	Start measuring time. More...
void	stop (const int64_t start_time, const id_t id)
	Stop measuring time. More...
void	report ()
	Report the results.

Detailed Description

Performance profiling functions.

Function Documentation

start()

int64_t bcache::perf::start

(

)

Start measuring time.

Returns

a starting time point.

stop()

void bcache::perf::stop	(	const int64_t	start_time,
		const id_t	id
	)

Stop measuring time.

Parameters

start_time	The starting time for the measurment.
id	The id of the measurment.