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 <ddb/ddb.h>

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Data Structures
struct	dpcpu_free

Functions
	__FBSDID ("$BSDSUniX$")
static	MALLOC_DEFINE (M_PCPU,"Per-cpu","Per-cpu resource accouting.")
static	DPCPU_DEFINE (char, modspace[DPCPU_MODMIN])
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, 0)
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)

Function Documentation

__FBSDID

(

"$BSDSUniX$"

)

void* dpcpu_alloc

(

int

size

)

Definition at line 135 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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void dpcpu_copy	(	void *	s,
		int	size
	)

Definition at line 220 of file subr_pcpu.c.

References mp_ncpus.

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

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static DPCPU_DEFINE ( char  , modspace  [DPCPU_MODMIN]  )

static

void dpcpu_free	(	void *	s,
		int	size
	)

Definition at line 166 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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void dpcpu_init	(	void *	dpcpu,
		int	cpuid
	)

Definition at line 98 of file subr_pcpu.c.

References pcpu_find().

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static void dpcpu_startup ( void *dummy  __unused )

static

Definition at line 117 of file subr_pcpu.c.

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

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

static

void pcpu_destroy

(

struct pcpu *

pcpu

)

Definition at line 241 of file subr_pcpu.c.

struct pcpu* pcpu_find

(

u_int

cpuid

)

Definition at line 253 of file subr_pcpu.c.

Referenced by _rm_rlock_hard(), dpcpu_init(), read_cpu_time(), rm_cleanIPI(), sysctl_kern_cp_times(), tdq_setlowpri(), and witness_display_spinlock().

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int sysctl_dpcpu_int

(

SYSCTL_HANDLER_ARGS

)

Definition at line 294 of file subr_pcpu.c.

References count, and mp_ncpus.

int sysctl_dpcpu_long

(

SYSCTL_HANDLER_ARGS

)

Definition at line 277 of file subr_pcpu.c.

References count, and mp_ncpus.

int sysctl_dpcpu_quad

(

SYSCTL_HANDLER_ARGS

)

Definition at line 260 of file subr_pcpu.c.

References count, and mp_ncpus.

SYSINIT	(	dpcpu	,
		SI_SUB_KLD	,
		SI_ORDER_FIRST	,
		dpcpu_startup	,
		0
	)

static TAILQ_HEAD ( dpcpu_free  )

static

Definition at line 73 of file subr_pcpu.c.