critical.c File Reference

#include <stdbool.h>
#include <stdint.h>
#include <sys/kassert.h>
#include <sys/kdebug.h>
#include <sys/kconfig.h>
#include <sys/mp.h>
#include <sys/spinlock.h>
#include <machine/amd64.h>
#include <machine/amd64op.h>

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Functions
void	Critical_Init ()
void	Critical_Enter ()
void	Critical_Exit ()
uint32_t	Critical_Level ()
static void	Debug_Critical (int argc, const char *argv[])
	REGISTER_DBGCMD (critical, "Critical Enter/Exit Stats", Debug_Critical)

Variables
uint32_t	lockLevel [MAX_CPUS]

Function Documentation

Critical_Enter()

void Critical_Enter

(

)

Definition at line 28 of file critical.c.

{
    disable_interrupts();
    lockLevel[CPU()]++;
}

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Critical_Exit()

void Critical_Exit

(

)

Definition at line 35 of file critical.c.

{
    lockLevel[CPU()]--;
    if (lockLevel[CPU()] == 0)
    {
        enable_interrupts();
    }
}

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Critical_Init()

void Critical_Init

(

)

Definition at line 17 of file critical.c.

{
    int c;
 
    for (c = 0; c < MAX_CPUS; c++)
    {
        lockLevel[c] = 0;
    }
}

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Critical_Level()

uint32_t Critical_Level

(

)

Definition at line 45 of file critical.c.

{
    return lockLevel[CPU()];
}

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Debug_Critical()

static void Debug_Critical ( int  argc, const char *  argv[]  )

static

Definition at line 51 of file critical.c.

{
    int c;
 
    for (c = 0; c < MAX_CPUS; c++) {
        kprintf("CPU%d: %u\n", c, lockLevel[c]);
    }
}

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REGISTER_DBGCMD()

REGISTER_DBGCMD	(	critical	,
		"Critical Enter/Exit Stats"	,
		Debug_Critical
	)

Variable Documentation

lockLevel

uint32_t lockLevel[MAX_CPUS]

Definition at line 14 of file critical.c.