memory_pressure.h File Reference

#include <stdint.h>

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Macros
#define	DT_MEMORY_PRESSURE_MAX_LEVELS   16

Typedefs
typedef struct dt_memory_pressure_watch_t	dt_memory_pressure_watch_t

Functions
int	dt_memory_pressure_read_full_stall (uint64_t *total_us, int max_levels)
dt_memory_pressure_watch_t *	dt_memory_pressure_watch_start (uint64_t stall_us, uint64_t window_us, void(*stalled)(void *user), void *user)
void	dt_memory_pressure_watch_stop (dt_memory_pressure_watch_t **watch)
int	dt_memory_pressure_watch_levels (const dt_memory_pressure_watch_t *watch)

Macro Definition Documentation

DT_MEMORY_PRESSURE_MAX_LEVELS

#define DT_MEMORY_PRESSURE_MAX_LEVELS   16

Definition at line 36 of file memory_pressure.h.

Typedef Documentation

dt_memory_pressure_watch_t

typedef struct dt_memory_pressure_watch_t dt_memory_pressure_watch_t

Definition at line 51 of file memory_pressure.h.

Function Documentation

dt_memory_pressure_read_full_stall()

int dt_memory_pressure_read_full_stall	(	uint64_t *	total_us,
		int	max_levels
	)

Definition at line 111 of file memory_pressure.c.

References _cgroup_below_root(), _cgroup_parent(), _own_cgroup_path(), _read_full_total(), IS_NULL_PTR, levels(), max_levels, and void().

Referenced by _window_share().

dt_memory_pressure_watch_levels()

int dt_memory_pressure_watch_levels

(

const dt_memory_pressure_watch_t *

watch

)

Definition at line 286 of file memory_pressure.c.

References dt_memory_pressure_watch_t::count, IS_NULL_PTR, and void().

Referenced by dt_pixelpipe_cache_pressure_watch_start().

dt_memory_pressure_watch_start()

dt_memory_pressure_watch_t * dt_memory_pressure_watch_start	(	uint64_t	stall_us,
		uint64_t	window_us,
		void(*)(void *user)	stalled,
		void *	user
	)

Definition at line 227 of file memory_pressure.c.

References _triggers_open(), _watch_close(), _watch_thread(), dt_memory_pressure_watch_t::count, DT_MEMORY_PRESSURE_MAX_LEVELS, dt_memory_pressure_watch_t::fds, IS_NULL_PTR, dt_memory_pressure_watch_t::running, dt_memory_pressure_watch_t::stalled, dt_memory_pressure_watch_t::stop_fd, dt_memory_pressure_watch_t::thread, TRUE, dt_memory_pressure_watch_t::user, and void().

Referenced by dt_pixelpipe_cache_pressure_watch_start().

dt_memory_pressure_watch_stop()

void dt_memory_pressure_watch_stop

(

dt_memory_pressure_watch_t **

watch

)

Definition at line 266 of file memory_pressure.c.

References _watch_close(), IS_NULL_PTR, dt_memory_pressure_watch_t::running, dt_memory_pressure_watch_t::stop_fd, and dt_memory_pressure_watch_t::thread.

Referenced by dt_pixelpipe_cache_pressure_watch_stop().