105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
/*-
|
|
* Copyright (c) 2011 NetApp, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/smp.h>
|
|
|
|
#include <machine/vmm.h>
|
|
#include "vmm_stat.h"
|
|
|
|
static int vstnum;
|
|
static struct vmm_stat_type *vsttab[MAX_VMM_STAT_TYPES];
|
|
|
|
static MALLOC_DEFINE(M_VMM_STAT, "vmm stat", "vmm stat");
|
|
|
|
void
|
|
vmm_stat_init(void *arg)
|
|
{
|
|
struct vmm_stat_type *vst = arg;
|
|
|
|
/* We require all stats to identify themselves with a description */
|
|
if (vst->desc == NULL)
|
|
return;
|
|
|
|
if (vstnum >= MAX_VMM_STAT_TYPES) {
|
|
printf("Cannot accomodate vmm stat type \"%s\"!\n", vst->desc);
|
|
return;
|
|
}
|
|
|
|
vst->index = vstnum;
|
|
vsttab[vstnum++] = vst;
|
|
}
|
|
|
|
int
|
|
vmm_stat_copy(struct vm *vm, int vcpu, int *num_stats, uint64_t *buf)
|
|
{
|
|
int i;
|
|
uint64_t *stats;
|
|
|
|
if (vcpu < 0 || vcpu >= VM_MAXCPU)
|
|
return (EINVAL);
|
|
|
|
stats = vcpu_stats(vm, vcpu);
|
|
for (i = 0; i < vstnum; i++)
|
|
buf[i] = stats[i];
|
|
*num_stats = vstnum;
|
|
return (0);
|
|
}
|
|
|
|
void *
|
|
vmm_stat_alloc(void)
|
|
{
|
|
u_long size;
|
|
|
|
size = vstnum * sizeof(uint64_t);
|
|
|
|
return (malloc(size, M_VMM_STAT, M_ZERO | M_WAITOK));
|
|
}
|
|
|
|
void
|
|
vmm_stat_free(void *vp)
|
|
{
|
|
free(vp, M_VMM_STAT);
|
|
}
|
|
|
|
const char *
|
|
vmm_stat_desc(int index)
|
|
{
|
|
|
|
if (index >= 0 && index < vstnum)
|
|
return (vsttab[index]->desc);
|
|
else
|
|
return (NULL);
|
|
}
|