performance_monitor.h File Reference

Component performance measurement, cycle accounting, and Memory Window 3 slots. More...

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Macros
#define	WIN3_MBASE   DT_REG_ADDR(DT_PHANDLE(DT_NODELABEL(mem_window3), memory))
	Base address of Memory Window 3 memory node from device tree.
#define	ADSP_PMW
	Uncached pointer to ADSP Performance Measurement Window (PMW) in Window 3.

Functions
void	perf_data_item_comp_init (struct perf_data_item_comp *perf, uint32_t resource_id, uint32_t power_mode)
	Initializer for component performance data record.
struct perf_data_item_comp *	perf_data_getnext (void)
	Allocate next free performance data slot from Memory Window 3.
int	free_performance_data (struct perf_data_item_comp *item)
	Release an allocated performance data slot in Memory Window 3.
void	perf_meas_set_state (enum ipc4_perf_measurements_state_set state)
	Set global performance measurement state machine.
enum ipc4_perf_measurements_state_set	perf_meas_get_state (void)
	Query current global performance measurement state.
int	get_performance_data (struct global_perf_data *const global_perf_data)
	Retrieve global aggregated performance telemetry data.
int	get_extended_performance_data (struct extended_global_perf_data *const ext_global_perf_data)
	Retrieve extended global performance telemetry data with per-core breakdown.
int	reset_performance_counters (void)
	Reset all performance measurement counters across all components.
int	enable_performance_counters (void)
	Reinitialize and activate performance counters for all created components.
void	disable_performance_counters (void)
	Disable performance counters and unregister records marked for removal.

Detailed Description

Component performance measurement, cycle accounting, and Memory Window 3 slots.

Macro Definition Documentation

ADSP_PMW

#define ADSP_PMW

Value:

         ((volatile uint32_t *) \
         (sys_cache_uncached_ptr_get((__sparse_force void __sparse_cache *) \
                     (WIN3_MBASE + WIN3_OFFSET))))

Uncached pointer to ADSP Performance Measurement Window (PMW) in Window 3.

WIN3_MBASE

#define WIN3_MBASE   DT_REG_ADDR(DT_PHANDLE(DT_NODELABEL(mem_window3), memory))

Base address of Memory Window 3 memory node from device tree.