numa.h File Reference

#include <stddef.h>
#include <string.h>
#include <sys/types.h>
#include <stdlib.h>

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Classes
struct	nodemask_t
struct	bitmask

Macros
#define	LIBNUMA_API_VERSION   2
#define	NUMA_NUM_NODES   2048

Functions
int	numa_bitmask_isbitset (const struct bitmask *, unsigned int)
struct bitmask *	numa_bitmask_setall (struct bitmask *)
struct bitmask *	numa_bitmask_clearall (struct bitmask *)
struct bitmask *	numa_bitmask_setbit (struct bitmask *, unsigned int)
struct bitmask *	numa_bitmask_clearbit (struct bitmask *, unsigned int)
unsigned int	numa_bitmask_nbytes (struct bitmask *)
unsigned int	numa_bitmask_weight (const struct bitmask *)
struct bitmask *	numa_bitmask_alloc (unsigned int)
void	numa_bitmask_free (struct bitmask *)
int	numa_bitmask_equal (const struct bitmask *, const struct bitmask *)
void	copy_nodemask_to_bitmask (nodemask_t *, struct bitmask *)
void	copy_bitmask_to_nodemask (struct bitmask *, nodemask_t *)
void	copy_bitmask_to_bitmask (struct bitmask *, struct bitmask *)
static void	nodemask_zero (nodemask_t *mask)
static void	nodemask_zero_compat (nodemask_t *mask)
static void	nodemask_set_compat (nodemask_t *mask, int node)
static void	nodemask_clr_compat (nodemask_t *mask, int node)
static int	nodemask_isset_compat (const nodemask_t *mask, int node)
static int	nodemask_equal (const nodemask_t *a, const nodemask_t *b)
static int	nodemask_equal_compat (const nodemask_t *a, const nodemask_t *b)
int	numa_available (void)
int	numa_max_node (void)
int	numa_max_possible_node (void)
int	numa_preferred (void)
long long	numa_node_size64 (int node, long long *freep)
long	numa_node_size (int node, long *freep)
int	numa_pagesize (void)
void	numa_bind (struct bitmask *nodes)
void	numa_set_interleave_mask (struct bitmask *nodemask)
struct bitmask *	numa_get_interleave_mask (void)
struct bitmask *	numa_allocate_nodemask (void)
static void	numa_free_nodemask (struct bitmask *b)
void	numa_set_preferred (int node)
void	numa_set_localalloc (void)
void	numa_set_membind (struct bitmask *nodemask)
struct bitmask *	numa_get_membind (void)
struct bitmask *	numa_get_mems_allowed (void)
int	numa_get_interleave_node (void)
void *	numa_alloc_interleaved_subset (size_t size, struct bitmask *nodemask)
void *	numa_alloc_interleaved (size_t size)
void *	numa_alloc_onnode (size_t size, int node)
void *	numa_alloc_local (size_t size)
void *	numa_alloc (size_t size)
void *	numa_realloc (void *old_addr, size_t old_size, size_t new_size)
void	numa_free (void *mem, size_t size)
void	numa_interleave_memory (void *mem, size_t size, struct bitmask *mask)
void	numa_tonode_memory (void *start, size_t size, int node)
void	numa_tonodemask_memory (void *mem, size_t size, struct bitmask *mask)
void	numa_setlocal_memory (void *start, size_t size)
void	numa_police_memory (void *start, size_t size)
int	numa_run_on_node_mask (struct bitmask *mask)
int	numa_run_on_node_mask_all (struct bitmask *mask)
int	numa_run_on_node (int node)
struct bitmask *	numa_get_run_node_mask (void)
void	numa_set_bind_policy (int strict)
void	numa_set_strict (int flag)
int	numa_num_possible_nodes ()
int	numa_num_possible_cpus ()
int	numa_num_configured_nodes ()
int	numa_num_configured_cpus ()
int	numa_num_task_cpus ()
int	numa_num_thread_cpus ()
int	numa_num_task_nodes ()
int	numa_num_thread_nodes ()
struct bitmask *	numa_allocate_cpumask ()
static void	numa_free_cpumask (struct bitmask *b)
int	numa_node_to_cpus (int, struct bitmask *)
int	numa_node_of_cpu (int cpu)
int	numa_distance (int node1, int node2)
void	numa_error (char *where)
void	numa_warn (int num, char *fmt,...)
int	numa_migrate_pages (int pid, struct bitmask *from, struct bitmask *to)
int	numa_move_pages (int pid, unsigned long count, void **pages, const int *nodes, int *status, int flags)
int	numa_sched_getaffinity (pid_t, struct bitmask *)
int	numa_sched_setaffinity (pid_t, struct bitmask *)
struct bitmask *	numa_parse_nodestring (const char *)
struct bitmask *	numa_parse_nodestring_all (const char *)
struct bitmask *	numa_parse_cpustring (const char *)
struct bitmask *	numa_parse_cpustring_all (const char *)
static void	numa_set_interleave_mask_compat (nodemask_t *nodemask)
static nodemask_t	numa_get_interleave_mask_compat ()
static void	numa_bind_compat (nodemask_t *mask)
static void	numa_set_membind_compat (nodemask_t *mask)
static nodemask_t	numa_get_membind_compat ()
static void *	numa_alloc_interleaved_subset_compat (size_t size, const nodemask_t *mask)
static int	numa_run_on_node_mask_compat (const nodemask_t *mask)
static nodemask_t	numa_get_run_node_mask_compat ()
static void	numa_interleave_memory_compat (void *mem, size_t size, const nodemask_t *mask)
static void	numa_tonodemask_memory_compat (void *mem, size_t size, const nodemask_t *mask)
static int	numa_sched_getaffinity_compat (pid_t pid, unsigned len, unsigned long *mask)
static int	numa_sched_setaffinity_compat (pid_t pid, unsigned len, unsigned long *mask)
static int	numa_node_to_cpus_compat (int node, unsigned long *buffer, int buffer_len)

Variables
struct bitmask *	numa_all_nodes_ptr
struct bitmask *	numa_nodes_ptr
nodemask_t	numa_all_nodes
struct bitmask *	numa_all_cpus_ptr
struct bitmask *	numa_no_nodes_ptr
nodemask_t	numa_no_nodes
int	numa_exit_on_error
int	numa_exit_on_warn

---

Class Documentation

struct nodemask_t

Definition at line 40 of file numa.h.

Class Members
unsigned long	n[2048/(sizeof(unsigned long)*8)]

struct bitmask

Definition at line 44 of file numa.h.

Class Members
unsigned long *	maskp
unsigned long	size

Macro Definition Documentation

#define LIBNUMA_API_VERSION   2

Definition at line 21 of file numa.h.

#define NUMA_NUM_NODES   2048

Definition at line 33 of file numa.h.

Referenced by nodemask_isset_compat().

Function Documentation

void copy_bitmask_to_bitmask	(	struct bitmask *	,
		struct bitmask *
	)

void copy_bitmask_to_nodemask	(	struct bitmask *	,
		nodemask_t *
	)

Referenced by numa_get_interleave_mask_compat(), numa_get_membind_compat(), and numa_get_run_node_mask_compat().

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void copy_nodemask_to_bitmask	(	nodemask_t *	,
		struct bitmask *
	)

Referenced by numa_bind_compat().

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static void nodemask_clr_compat ( nodemask_t *  mask, int  node  )

inlinestatic

Definition at line 90 of file numa.h.

References nodemask_t::n.

{
    mask->n[node / (8*sizeof(unsigned long))] &=
        ~(1UL<<(node%(8*sizeof(unsigned long))));
}

static int nodemask_equal ( const nodemask_t *  a, const nodemask_t *  b  )

inlinestatic

Definition at line 106 of file numa.h.

References bitmask::maskp, numa_bitmask_equal(), and bitmask::size.

{
    struct bitmask tmp_a, tmp_b;

    tmp_a.maskp = (unsigned long *)a;
    tmp_a.size = sizeof(nodemask_t) * 8;

    tmp_b.maskp = (unsigned long *)b;
    tmp_b.size = sizeof(nodemask_t) * 8;

    return numa_bitmask_equal(&tmp_a, &tmp_b);
}

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static int nodemask_equal_compat ( const nodemask_t *  a, const nodemask_t *  b  )

inlinestatic

Definition at line 119 of file numa.h.

References bitmask::maskp, numa_bitmask_equal(), and bitmask::size.

{
    struct bitmask tmp_a, tmp_b;

    tmp_a.maskp = (unsigned long *)a;
    tmp_a.size = sizeof(nodemask_t) * 8;

    tmp_b.maskp = (unsigned long *)b;
    tmp_b.size = sizeof(nodemask_t) * 8;

    return numa_bitmask_equal(&tmp_a, &tmp_b);
}

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static int nodemask_isset_compat ( const nodemask_t *  mask, int  node  )

inlinestatic

Definition at line 96 of file numa.h.

References nodemask_t::n, and NUMA_NUM_NODES.

{
    if ((unsigned)node >= NUMA_NUM_NODES)
        return 0;
    if (mask->n[node / (8*sizeof(unsigned long))] &
        (1UL<<(node%(8*sizeof(unsigned long)))))
        return 1;
    return 0;
}

static void nodemask_set_compat ( nodemask_t *  mask, int  node  )

inlinestatic

Definition at line 84 of file numa.h.

References nodemask_t::n.

{
    mask->n[node / (8*sizeof(unsigned long))] |=
        (1UL<<(node%(8*sizeof(unsigned long))));
}

static void nodemask_zero ( nodemask_t *  mask )

inlinestatic

Definition at line 66 of file numa.h.

References bitmask::maskp, numa_bitmask_clearall(), and bitmask::size.

{
    struct bitmask tmp;

    tmp.maskp = (unsigned long *)mask;
    tmp.size = sizeof(nodemask_t) * 8;
    numa_bitmask_clearall(&tmp);
}

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static void nodemask_zero_compat ( nodemask_t *  mask )

inlinestatic

Definition at line 75 of file numa.h.

References bitmask::maskp, numa_bitmask_clearall(), and bitmask::size.

{
    struct bitmask tmp;

    tmp.maskp = (unsigned long *)mask;
    tmp.size = sizeof(nodemask_t) * 8;
    numa_bitmask_clearall(&tmp);
}

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void* numa_alloc

(

size_t

size

)

void* numa_alloc_interleaved

(

size_t

size

)

void* numa_alloc_interleaved_subset	(	size_t	size,
		struct bitmask *	nodemask
	)

Referenced by numa_alloc_interleaved_subset_compat().

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static void* numa_alloc_interleaved_subset_compat ( size_t  size, const nodemask_t *  mask  )

inlinestatic

Definition at line 385 of file numa.h.

References bitmask::maskp, numa_alloc_interleaved_subset(), and bitmask::size.

{
    struct bitmask tmp;

    tmp.maskp = (unsigned long *)mask;
    tmp.size = sizeof(nodemask_t) * 8;
    return numa_alloc_interleaved_subset(size, &tmp);
}

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void* numa_alloc_local

(

size_t

size

)

void* numa_alloc_onnode	(	size_t	size,
		int	node
	)

struct bitmask* numa_allocate_cpumask

(

)

struct bitmask* numa_allocate_nodemask

(

void

)

Referenced by numa_bind_compat().

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int numa_available

(

void

)

Referenced by foedus::memory::AlignedMemory::alloc(), foedus::memory::get_numa_node_size(), foedus::memory::EngineMemory::initialize_once(), foedus::assorted::mod_numa_node(), foedus::thread::NumaThreadScope::NumaThreadScope(), foedus::memory::ScopedNumaPreferred::ScopedNumaPreferred(), foedus::thread::ThreadOptions::ThreadOptions(), and foedus::thread::NumaThreadScope::~NumaThreadScope().

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void numa_bind

(

struct bitmask *

nodes

)

Referenced by numa_bind_compat().

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static void numa_bind_compat ( nodemask_t *  mask )

inlinestatic

Definition at line 355 of file numa.h.

References copy_nodemask_to_bitmask(), numa_allocate_nodemask(), numa_bind(), and numa_bitmask_free().

{
    struct bitmask *tp;

    tp = numa_allocate_nodemask();
    copy_nodemask_to_bitmask(mask, tp);
    numa_bind(tp);
    numa_bitmask_free(tp);
}

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struct bitmask* numa_bitmask_alloc

(

unsigned

int

)

struct bitmask* numa_bitmask_clearall

(

struct bitmask *

)

Referenced by nodemask_zero(), and nodemask_zero_compat().

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struct bitmask* numa_bitmask_clearbit	(	struct bitmask *	,
		unsigned	int
	)

int numa_bitmask_equal	(	const struct bitmask *	,
		const struct bitmask *
	)

Referenced by nodemask_equal(), and nodemask_equal_compat().

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void numa_bitmask_free

(

struct bitmask *

)

Referenced by numa_bind_compat(), numa_free_cpumask(), numa_free_nodemask(), numa_get_interleave_mask_compat(), numa_get_membind_compat(), and numa_get_run_node_mask_compat().

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int numa_bitmask_isbitset	(	const struct bitmask *	,
		unsigned	int
	)

unsigned int numa_bitmask_nbytes

(

struct bitmask *

)

struct bitmask* numa_bitmask_setall

(

struct bitmask *

)

struct bitmask* numa_bitmask_setbit	(	struct bitmask *	,
		unsigned	int
	)

unsigned int numa_bitmask_weight

(

const struct bitmask *

)

int numa_distance	(	int	node1,
		int	node2
	)

void numa_error

(

char *

where

)

void numa_free	(	void *	mem,
		size_t	size
	)

static void numa_free_cpumask ( struct bitmask *  b )

inlinestatic

Definition at line 277 of file numa.h.

References numa_bitmask_free().

{
    numa_bitmask_free(b);
}

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static void numa_free_nodemask ( struct bitmask *  b )

inlinestatic

Definition at line 181 of file numa.h.

References numa_bitmask_free().

{
    numa_bitmask_free(b);
}

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struct bitmask* numa_get_interleave_mask

(

void

)

Referenced by numa_get_interleave_mask_compat().

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static nodemask_t numa_get_interleave_mask_compat ( )

inlinestatic

Definition at line 344 of file numa.h.

References copy_bitmask_to_nodemask(), numa_bitmask_free(), and numa_get_interleave_mask().

{
    struct bitmask *tp;
    nodemask_t mask;

    tp = numa_get_interleave_mask();
    copy_bitmask_to_nodemask(tp, &mask);
    numa_bitmask_free(tp);
    return mask;
}

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int numa_get_interleave_node

(

void

)

struct bitmask* numa_get_membind

(

void

)

Referenced by numa_get_membind_compat().

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static nodemask_t numa_get_membind_compat ( )

inlinestatic

Definition at line 374 of file numa.h.

References copy_bitmask_to_nodemask(), numa_bitmask_free(), and numa_get_membind().

{
    struct bitmask *tp;
    nodemask_t mask;

    tp = numa_get_membind();
    copy_bitmask_to_nodemask(tp, &mask);
    numa_bitmask_free(tp);
    return mask;
}

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struct bitmask* numa_get_mems_allowed

(

void

)

struct bitmask* numa_get_run_node_mask

(

void

)

Referenced by numa_get_run_node_mask_compat().

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static nodemask_t numa_get_run_node_mask_compat ( )

inlinestatic

Definition at line 404 of file numa.h.

References copy_bitmask_to_nodemask(), numa_bitmask_free(), and numa_get_run_node_mask().

{
    struct bitmask *tp;
    nodemask_t mask;

    tp = numa_get_run_node_mask();
    copy_bitmask_to_nodemask(tp, &mask);
    numa_bitmask_free(tp);
    return mask;
}

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void numa_interleave_memory	(	void *	mem,
		size_t	size,
		struct bitmask *	mask
	)

Referenced by numa_interleave_memory_compat().

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static void numa_interleave_memory_compat ( void *  mem, size_t  size, const nodemask_t *  mask  )

inlinestatic

Definition at line 415 of file numa.h.

References bitmask::maskp, numa_interleave_memory(), and bitmask::size.

{
    struct bitmask tmp;

    tmp.maskp = (unsigned long *)mask;
    tmp.size = sizeof(nodemask_t) * 8;
    numa_interleave_memory(mem, size, &tmp);
}

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int numa_max_node

(

void

)

int numa_max_possible_node

(

void

)

int numa_migrate_pages	(	int	pid,
		struct bitmask *	from,
		struct bitmask *	to
	)

int numa_move_pages	(	int	pid,
		unsigned long	count,
		void **	pages,
		const int *	nodes,
		int *	status,
		int	flags
	)

int numa_node_of_cpu

(

int

cpu

)

long numa_node_size	(	int	node,
		long *	freep
	)

Referenced by foedus::memory::get_numa_node_size().

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long long numa_node_size64	(	int	node,
		long long *	freep
	)

int numa_node_to_cpus	(	int	,
		struct bitmask *
	)

Referenced by numa_node_to_cpus_compat().

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static int numa_node_to_cpus_compat ( int  node, unsigned long *  buffer, int  buffer_len  )

inlinestatic

Definition at line 455 of file numa.h.

References bitmask::maskp, numa_node_to_cpus(), and bitmask::size.

{
    struct bitmask tmp;

    tmp.maskp = (unsigned long *)buffer;
    tmp.size = buffer_len * 8;
    return numa_node_to_cpus(node, &tmp);
}

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int numa_num_configured_cpus

(

)

Referenced by foedus::thread::ThreadOptions::ThreadOptions().

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int numa_num_configured_nodes

(

)

Referenced by foedus::assorted::mod_numa_node(), and foedus::thread::ThreadOptions::ThreadOptions().

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int numa_num_possible_cpus

(

)

int numa_num_possible_nodes

(

)

int numa_num_task_cpus

(

)

int numa_num_task_nodes

(

)

int numa_num_thread_cpus

(

)

int numa_num_thread_nodes

(

)

int numa_pagesize

(

void

)

struct bitmask* numa_parse_cpustring

(

const char *

)

struct bitmask* numa_parse_cpustring_all

(

const char *

)

struct bitmask* numa_parse_nodestring

(

const char *

)

struct bitmask* numa_parse_nodestring_all

(

const char *

)

void numa_police_memory	(	void *	start,
		size_t	size
	)

int numa_preferred

(

void

)

Referenced by foedus::memory::AlignedMemory::alloc(), and foedus::memory::ScopedNumaPreferred::ScopedNumaPreferred().

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void* numa_realloc	(	void *	old_addr,
		size_t	old_size,
		size_t	new_size
	)

int numa_run_on_node

(

int

node

)

Referenced by foedus::thread::NumaThreadScope::NumaThreadScope().

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int numa_run_on_node_mask

(

struct bitmask *

mask

)

Referenced by numa_run_on_node_mask_compat(), and foedus::thread::NumaThreadScope::~NumaThreadScope().

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int numa_run_on_node_mask_all

(

struct bitmask *

mask

)

static int numa_run_on_node_mask_compat ( const nodemask_t *  mask )

inlinestatic

Definition at line 395 of file numa.h.

References bitmask::maskp, numa_run_on_node_mask(), and bitmask::size.

{
    struct bitmask tmp;

    tmp.maskp = (unsigned long *)mask;
    tmp.size = sizeof(nodemask_t) * 8;
    return numa_run_on_node_mask(&tmp);
}

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int numa_sched_getaffinity	(	pid_t	,
		struct bitmask *
	)

Referenced by numa_sched_getaffinity_compat().

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static int numa_sched_getaffinity_compat ( pid_t  pid, unsigned  len, unsigned long *  mask  )

inlinestatic

Definition at line 435 of file numa.h.

References bitmask::maskp, numa_sched_getaffinity(), and bitmask::size.

{
    struct bitmask tmp;

    tmp.maskp = (unsigned long *)mask;
    tmp.size = len * 8;
    return numa_sched_getaffinity(pid, &tmp);
}

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int numa_sched_setaffinity	(	pid_t	,
		struct bitmask *
	)

Referenced by numa_sched_setaffinity_compat().

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static int numa_sched_setaffinity_compat ( pid_t  pid, unsigned  len, unsigned long *  mask  )

inlinestatic

Definition at line 445 of file numa.h.

References bitmask::maskp, numa_sched_setaffinity(), and bitmask::size.

{
    struct bitmask tmp;

    tmp.maskp = (unsigned long *)mask;
    tmp.size = len * 8;
    return numa_sched_setaffinity(pid, &tmp);
}

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void numa_set_bind_policy

(

int

strict

)

void numa_set_interleave_mask

(

struct bitmask *

nodemask

)

Referenced by numa_set_interleave_mask_compat().

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static void numa_set_interleave_mask_compat ( nodemask_t *  nodemask )

inlinestatic

Definition at line 335 of file numa.h.

References bitmask::maskp, numa_set_interleave_mask(), and bitmask::size.

{
    struct bitmask tmp;

    tmp.maskp = (unsigned long *)nodemask;
    tmp.size = sizeof(nodemask_t) * 8;
    numa_set_interleave_mask(&tmp);
}

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void numa_set_localalloc

(

void

)

Referenced by foedus::thread::NumaThreadScope::NumaThreadScope().

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void numa_set_membind

(

struct bitmask *

nodemask

)

Referenced by numa_set_membind_compat().

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static void numa_set_membind_compat ( nodemask_t *  mask )

inlinestatic

Definition at line 365 of file numa.h.

References bitmask::maskp, numa_set_membind(), and bitmask::size.

{
    struct bitmask tmp;

    tmp.maskp = (unsigned long *)mask;
    tmp.size = sizeof(nodemask_t) * 8;
    numa_set_membind(&tmp);
}

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void numa_set_preferred

(

int

node

)

Referenced by foedus::memory::AlignedMemory::alloc(), foedus::memory::ScopedNumaPreferred::ScopedNumaPreferred(), and foedus::memory::ScopedNumaPreferred::~ScopedNumaPreferred().

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void numa_set_strict

(

int

flag

)

void numa_setlocal_memory	(	void *	start,
		size_t	size
	)

void numa_tonode_memory	(	void *	start,
		size_t	size,
		int	node
	)

void numa_tonodemask_memory	(	void *	mem,
		size_t	size,
		struct bitmask *	mask
	)

Referenced by numa_tonodemask_memory_compat().

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static void numa_tonodemask_memory_compat ( void *  mem, size_t  size, const nodemask_t *  mask  )

inlinestatic

Definition at line 425 of file numa.h.

References bitmask::maskp, numa_tonodemask_memory(), and bitmask::size.

{
    struct bitmask tmp;

    tmp.maskp = (unsigned long *)mask;
    tmp.size = sizeof(nodemask_t) * 8;
    numa_tonodemask_memory(mem, size, &tmp);
}

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void numa_warn	(	int	num,
		char *	fmt,
			...
	)

Variable Documentation

struct bitmask* numa_all_cpus_ptr

nodemask_t numa_all_nodes

struct bitmask* numa_all_nodes_ptr

Referenced by foedus::thread::NumaThreadScope::~NumaThreadScope().

int numa_exit_on_error

int numa_exit_on_warn

nodemask_t numa_no_nodes

struct bitmask* numa_no_nodes_ptr

struct bitmask* numa_nodes_ptr