Struct to do live statistic tracking and printing of nano-seconds values, used by amongst other the compositor pacing code. More...

#include <util/u_live_stats.h>

Collaboration diagram for u_live_stats_ns:

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Public Member Functions
static bool	u_ls_ns_add (struct u_live_stats_ns *uls, uint64_t value)
	Add a value to the live stats struct, returns true if the struct is full either before or after adding the value. More...

void	u_ls_ns_get_and_reset (struct u_live_stats_ns uls, uint64_t out_median, uint64_t out_mean, uint64_t out_worst)
	Get the median, mean and worst of the current set of values, then reset the struct. More...

void	u_ls_ns_print_header (u_pp_delegate_t dg)
	Prints a header that looks nice before u_ls_print_and_reset, adding details about columns. More...

void	u_ls_ns_print_and_reset (struct u_live_stats_ns *uls, u_pp_delegate_t dg)
	Prints the calculated values and resets the struct, can be used with u_ls_ns_print_header to get a nice header to the values. More...

Data Fields
char	name [(16)]
	Small name used for printing. More...

uint32_t	value_count
	Number of values currently in struct. More...

uint64_t	values [(1024)]
	The values that will be used to calculate statistics. More...

Detailed Description

Struct to do live statistic tracking and printing of nano-seconds values, used by amongst other the compositor pacing code.

Member Function Documentation

◆ u_ls_ns_get_and_reset()

void u_ls_ns_get_and_reset	(	struct u_live_stats_ns *	uls,
		uint64_t *	out_median,
		uint64_t *	out_mean,
		uint64_t *	out_worst
	)

Get the median, mean and worst of the current set of values, then reset the struct.

References value_count, and values.

Referenced by u_ls_ns_print_and_reset().

◆ u_ls_ns_print_and_reset()

void u_ls_ns_print_and_reset	(	struct u_live_stats_ns *	uls,
		u_pp_delegate_t	dg
	)

Prints the calculated values and resets the struct, can be used with u_ls_ns_print_header to get a nice header to the values.

Doesn't include any newlines.

References name, u_ls_ns_get_and_reset(), and u_pp().

◆ u_ls_ns_print_header()

void u_ls_ns_print_header ( u_pp_delegate_t dg )

Prints a header that looks nice before u_ls_print_and_reset, adding details about columns.

Doesn't include any newlines.

References u_pp().

Field Documentation

◆ name

char u_live_stats_ns::name[(16)]

Small name used for printing.

Referenced by ipcproto.common.Arg::__init__(), ipcproto.common.Call::__init__(), bindings.Profile::__init__(), ipcproto.common.Arg::dump(), ipcproto.common.Call::dump(), ipcproto.common.Arg::get_func_argument_in(), ipcproto.common.Arg::get_func_argument_out(), ipcproto.common.Arg::get_struct_field(), u_ls_ns_print_and_reset(), ipcproto.common.Call::write_call_decl(), ipcproto.common.Call::write_handler_decl(), ipcproto.common.Call::write_receive_decl(), and ipcproto.common.Call::write_send_decl().

◆ value_count

uint32_t u_live_stats_ns::value_count

Number of values currently in struct.

Referenced by u_ls_ns_add(), and u_ls_ns_get_and_reset().

◆ values

uint64_t u_live_stats_ns::values[(1024)]

The values that will be used to calculate statistics.