subr_pcpu.c File Reference

#include <sys/cdefs.h>
#include "opt_ddb.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/sysctl.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/pcpu.h>
#include <sys/proc.h>
#include <sys/smp.h>
#include <sys/sx.h>
#include <vm/uma.h>
#include <ddb/ddb.h>

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Data Structures
struct	dpcpu_free

Functions
	__FBSDID ("$FreeBSD$")
static	MALLOC_DEFINE (M_PCPU, "Per-cpu", "Per-cpu resource accouting.")
	DPCPU_DEFINE_STATIC (char, modspace[DPCPU_MODMIN] __aligned(__alignof(void *)))
static	TAILQ_HEAD (dpcpu_free)
void	dpcpu_init (void *dpcpu, int cpuid)
static void	dpcpu_startup (void *dummy __unused)
	SYSINIT (dpcpu, SI_SUB_KLD, SI_ORDER_FIRST, dpcpu_startup, NULL)
static void	pcpu_zones_startup (void)
	SYSINIT (pcpu_zones, SI_SUB_COUNTER, SI_ORDER_FIRST, pcpu_zones_startup, NULL)
void *	dpcpu_alloc (int size)
void	dpcpu_free (void *s, int size)
void	dpcpu_copy (void *s, int size)
void	pcpu_destroy (struct pcpu *pcpu)
struct pcpu *	pcpu_find (u_int cpuid)
int	sysctl_dpcpu_quad (SYSCTL_HANDLER_ARGS)
int	sysctl_dpcpu_long (SYSCTL_HANDLER_ARGS)
int	sysctl_dpcpu_int (SYSCTL_HANDLER_ARGS)

Variables
uma_zone_t	pcpu_zone_4
uma_zone_t	pcpu_zone_8
uma_zone_t	pcpu_zone_16
uma_zone_t	pcpu_zone_32
uma_zone_t	pcpu_zone_64

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

dpcpu_alloc()

void * dpcpu_alloc

(

int

size

)

Definition at line 165 of file subr_pcpu.c.

References dpcpu_free::df_len, dpcpu_free::df_start, and free().

Referenced by link_elf_link_preload(), link_elf_load_file(), and parse_dpcpu().

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dpcpu_copy()

void dpcpu_copy	(	void *	s,
		int	size
	)

Definition at line 250 of file subr_pcpu.c.

Referenced by link_elf_link_preload(), link_elf_load_file(), and parse_dpcpu().

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DPCPU_DEFINE_STATIC()

DPCPU_DEFINE_STATIC	(	char	,
		modspace	__aligned(__alignof(void *))[DPCPU_MODMIN]
	)

dpcpu_free()

void dpcpu_free	(	void *	s,
		int	size
	)

Definition at line 196 of file subr_pcpu.c.

References dpcpu_free::df_len, dpcpu_free::df_start, free(), malloc(), and start.

Referenced by link_elf_unload_file().

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dpcpu_init()

void dpcpu_init	(	void *	dpcpu,
		int	cpuid
	)

Definition at line 102 of file subr_pcpu.c.

References pcpu_find().

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dpcpu_startup()

static void dpcpu_startup ( void *dummy  __unused )

static

Definition at line 121 of file subr_pcpu.c.

References dpcpu_free::df_len, dpcpu_free::df_start, and malloc().

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MALLOC_DEFINE()

static MALLOC_DEFINE ( M_PCPU  , "Per-cpu"  , "Per-cpu resource accouting."    )

static

pcpu_destroy()

void pcpu_destroy

(

struct pcpu *

pcpu

)

Definition at line 271 of file subr_pcpu.c.

pcpu_find()

struct pcpu * pcpu_find

(

u_int

cpuid

)

Definition at line 283 of file subr_pcpu.c.

Referenced by callout_cpu_init(), dpcpu_init(), init_hwpmc(), ktls_init(), ktls_work_thread(), quiesce_cpus(), read_cpu_time(), sysctl_kern_cp_times(), tdq_setlowpri(), and witness_display_spinlock().

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pcpu_zones_startup()

static void pcpu_zones_startup ( void  )

static

Definition at line 143 of file subr_pcpu.c.

References pcpu_zone_16, pcpu_zone_32, pcpu_zone_4, pcpu_zone_64, and pcpu_zone_8.

sysctl_dpcpu_int()

int sysctl_dpcpu_int

(

SYSCTL_HANDLER_ARGS

)

Definition at line 324 of file subr_pcpu.c.

References count.

sysctl_dpcpu_long()

int sysctl_dpcpu_long

(

SYSCTL_HANDLER_ARGS

)

Definition at line 307 of file subr_pcpu.c.

References count.

sysctl_dpcpu_quad()

int sysctl_dpcpu_quad

(

SYSCTL_HANDLER_ARGS

)

Definition at line 290 of file subr_pcpu.c.

References count.

SYSINIT() [1/2]

SYSINIT	(	dpcpu	,
		SI_SUB_KLD	,
		SI_ORDER_FIRST	,
		dpcpu_startup	,
		NULL
	)

SYSINIT() [2/2]

SYSINIT	(	pcpu_zones	,
		SI_SUB_COUNTER	,
		SI_ORDER_FIRST	,
		pcpu_zones_startup	,
		NULL
	)

TAILQ_HEAD()

static TAILQ_HEAD ( dpcpu_free  )

static

Definition at line 76 of file subr_pcpu.c.

Variable Documentation

pcpu_zone_16

uma_zone_t pcpu_zone_16

Definition at line 138 of file subr_pcpu.c.

Referenced by mount_fini(), mount_init(), and pcpu_zones_startup().

pcpu_zone_32

uma_zone_t pcpu_zone_32

Definition at line 139 of file subr_pcpu.c.

Referenced by pcpu_zones_startup().

pcpu_zone_4

uma_zone_t pcpu_zone_4

Definition at line 136 of file subr_pcpu.c.

Referenced by pcpu_zones_startup().

pcpu_zone_64

uma_zone_t pcpu_zone_64

Definition at line 140 of file subr_pcpu.c.

Referenced by malloc_init(), malloc_uninit(), and pcpu_zones_startup().

pcpu_zone_8

uma_zone_t pcpu_zone_8

Definition at line 137 of file subr_pcpu.c.

Referenced by counter_u64_alloc(), counter_u64_free(), pcpu_zones_startup(), rms_destroy(), and rms_init().