Group ns-cache-profile

Classes

Type	Name
struct	ns_cache_config_t Struct to configure the cache profiler.
struct	ns_cache_dump_t Struct to capture a snapshot of the cache performance counters.
struct	ns_perf_counters_t

Public Functions

Type	Name
uint8_t	ns_cache_profiler_init (ns_cache_config_t * cfg) Initialize the cache profiler.
void	ns_capture_cache_stats (ns_cache_dump_t * dump) Capture the current value of the cache performance counters in the provided struct.
void	ns_capture_perf_profiler (ns_perf_counters_t * c) Capture the current value of the HW performance counters in the provided struct.
void	ns_delta_cache (ns_cache_dump_t * s, ns_cache_dump_t * e, ns_cache_dump_t * d) Capture the delta between two cache performance counter snapshots.
void	ns_delta_perf (ns_perf_counters_t * s, ns_perf_counters_t * e, ns_perf_counters_t * d) Calculate the delta between two HW performance snapshots.
void	ns_init_perf_profiler (void) Configure the HW performance capture unit.
void	ns_print_cache_stats (ns_cache_dump_t * dump) Print the cache performance counters.
void	ns_print_cache_stats_delta (ns_cache_dump_t * start, ns_cache_dump_t * end) Print the delta between two cache performance counter snapshots.
void	ns_print_perf_profile (ns_perf_counters_t * c) Print a HW performance counter snapshot.
void	ns_reset_perf_counters (void) Reset the HW performance counters.
void	ns_start_perf_profiler (void) Start the HW performance capture unit.
void	ns_stop_perf_profiler (void) Stop the HW performance capture unit.

Public Functions Documentation

function ns_cache_profiler_init

Initialize the cache profiler.

uint8_t ns_cache_profiler_init (
    ns_cache_config_t * cfg
)

Parameters:

cfg Configuration struct

Returns:

uint8_t

Initialize the cache profiler.

Enables cache performance counters (uses slightly more power)

Parameters:

cfg

Returns:

uint8_t

function ns_capture_cache_stats

Capture the current value of the cache performance counters in the provided struct.

void ns_capture_cache_stats (
    ns_cache_dump_t * dump
)

Parameters:

dump

Capture the current value of the cache performance counters in the provided struct.

Parameters:

dump

function ns_capture_perf_profiler

Capture the current value of the HW performance counters in the provided struct.

void ns_capture_perf_profiler (
    ns_perf_counters_t * c
)

Parameters:

c

Capture the current value of the HW performance counters in the provided struct.

Parameters:

c

function ns_delta_cache

Capture the delta between two cache performance counter snapshots.

void ns_delta_cache (
    ns_cache_dump_t * s,
    ns_cache_dump_t * e,
    ns_cache_dump_t * d
)

Parameters:

s start snapshot
e end snapshot
d struct where delta will be stored

function ns_delta_perf

Calculate the delta between two HW performance snapshots.

void ns_delta_perf (
    ns_perf_counters_t * s,
    ns_perf_counters_t * e,
    ns_perf_counters_t * d
)

Parameters:

s starting snapshot
e ending snapshot
d Calculated delta

function ns_init_perf_profiler

Configure the HW performance capture unit.

void ns_init_perf_profiler (
    void
)

Configure the HW performance capture unit.

function ns_print_cache_stats

Print the cache performance counters.

void ns_print_cache_stats (
    ns_cache_dump_t * dump
)

Parameters:

dump

Print the cache performance counters.

Parameters:

dump

function ns_print_cache_stats_delta

Print the delta between two cache performance counter snapshots.

void ns_print_cache_stats_delta (
    ns_cache_dump_t * start,
    ns_cache_dump_t * end
)

Parameters:

start
end

Print the delta between two cache performance counter snapshots.

Parameters:

start
end

function ns_print_perf_profile

Print a HW performance counter snapshot.

void ns_print_perf_profile (
    ns_perf_counters_t * c
)

Parameters:

c

Print a HW performance counter snapshot.

Parameters:

c

function ns_reset_perf_counters

Reset the HW performance counters.

void ns_reset_perf_counters (
    void
)

Reset the HW performance counters.

function ns_start_perf_profiler

Start the HW performance capture unit.

void ns_start_perf_profiler (
    void
)

Start the HW performance capture unit.

function ns_stop_perf_profiler

Stop the HW performance capture unit.

void ns_stop_perf_profiler (
    void
)

Stop the HW performance capture unit.