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#include <u.h>
#include <kvm.h>
#include <nlist.h>
#include <sys/types.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <sys/dkstat.h>
#include <net/if.h>
#include <net/if_var.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <machine/apm_bios.h>
#include <sys/ioctl.h>
#include <limits.h>
#include <libc.h>
#include <bio.h>
#include "dat.h"
/* XXX: #if __FreeBSD_version */
void xapm(int);
void xloadavg(int);
void xcpu(int);
void xswap(int);
void xsysctl(int);
void xnet(int);
void xkvm(int);
void (*statfn[])(int) =
{
xkvm,
xapm,
xloadavg,
xswap,
xcpu,
xsysctl,
xnet,
0
};
static kvm_t *kvm;
static struct nlist nl[] = {
{ "_ifnet" },
{ "_cp_time" },
{ "" },
};
void
kvminit(void)
{
char buf[_POSIX2_LINE_MAX];
if(kvm)
return;
kvm = kvm_openfiles(nil, nil, nil, OREAD, buf);
if(kvm == nil)
return;
if(kvm_nlist(kvm, nl) < 0 || nl[0].n_type == 0){
kvm = nil;
return;
}
}
void
xkvm(int first)
{
if(first)
kvminit();
}
int
kread(ulong addr, char *buf, int size)
{
if(kvm_read(kvm, addr, buf, size) != size){
memset(buf, 0, size);
return -1;
}
return size;
}
void
xnet(int first)
{
ulong out, in, outb, inb, err;
static ulong ifnetaddr;
ulong addr;
struct ifnet ifnet;
struct ifnethead ifnethead;
char name[16];
if(first)
return;
if(ifnetaddr == 0){
ifnetaddr = nl[0].n_value;
if(ifnetaddr == 0)
return;
}
if(kread(ifnetaddr, (char*)&ifnethead, sizeof ifnethead) < 0)
return;
out = in = outb = inb = err = 0;
addr = (ulong)TAILQ_FIRST(&ifnethead);
while(addr){
#if __FreeBSD_version < 500000
if(kread(addr, (char*)&ifnet, sizeof ifnet) < 0
|| kread((ulong)ifnet.if_name, name, 16) < 0)
return;
#else
if(kread(addr, (char*)&ifnet, sizeof ifnet) < 0
|| kread((ulong)ifnet.if_dname, name, 16) < 0)
return;
#endif
name[15] = 0;
addr = (ulong)TAILQ_NEXT(&ifnet, if_link);
out += ifnet.if_opackets;
in += ifnet.if_ipackets;
outb += ifnet.if_obytes;
inb += ifnet.if_ibytes;
err += ifnet.if_oerrors+ifnet.if_ierrors;
}
Bprint(&bout, "etherin %lud 1000\n", in);
Bprint(&bout, "etherout %lud 1000\n", out);
Bprint(&bout, "etherinb %lud 1000000\n", inb);
Bprint(&bout, "etheroutb %lud 1000000\n", outb);
Bprint(&bout, "ethererr %lud 1000\n", err);
Bprint(&bout, "ether %lud 1000\n", in+out);
Bprint(&bout, "etherb %lud 1000000\n", inb+outb);
}
#if __FreeBSD_version >= 500000
int
xacpi(int first)
{
int rv;
int val, len;
len = sizeof(val);
rv = sysctlbyname("hw.acpi.battery.life", &val, &len, nil, 0);
if(rv != 0)
return -1;
Bprint(&bout, "battery =%d 100\n", val);
return 0;
}
#else
int
xacpi(int first)
{
return -1;
}
#endif
void
xapm(int first)
{
static int fd;
struct apm_info ai;
if(first){
xacpi(first);
fd = open("/dev/apm", OREAD);
return;
}
if(xacpi(0) >= 0)
return;
if(ioctl(fd, APMIO_GETINFO, &ai) < 0)
return;
if(ai.ai_batt_life <= 100)
Bprint(&bout, "battery =%d 100\n", ai.ai_batt_life);
}
int
rsys(char *name, char *buf, int len)
{
size_t l;
l = len;
if(sysctlbyname(name, buf, &l, nil, 0) < 0)
return -1;
buf[l] = 0;
return l;
}
vlong
isys(char *name)
{
ulong u;
size_t l;
l = sizeof u;
if(sysctlbyname(name, &u, &l, nil, 0) < 0)
return -1;
return u;
}
void
xsysctl(int first)
{
static int pgsize;
if(first){
pgsize = isys("vm.stats.vm.v_page_size");
if(pgsize == 0)
pgsize = 4096;
}
Bprint(&bout, "mem =%lld %lld\n",
isys("vm.stats.vm.v_active_count")*pgsize,
isys("vm.stats.vm.v_page_count")*pgsize);
Bprint(&bout, "context %lld 1000\n", isys("vm.stats.sys.v_swtch"));
Bprint(&bout, "syscall %lld 1000\n", isys("vm.stats.sys.v_syscall"));
Bprint(&bout, "intr %lld 1000\n", isys("vm.stats.sys.v_intr")+isys("vm.stats.sys.v_trap"));
Bprint(&bout, "fault %lld 1000\n", isys("vm.stats.vm.v_vm_faults"));
Bprint(&bout, "fork %lld 1000\n", isys("vm.stats.vm.v_forks")
+isys("vm.stats.vm.v_rforks")
+isys("vm.stats.vm.v_vforks"));
}
void
xcpu(int first)
{
static int stathz;
ulong x[20];
struct clockinfo *ci;
int n;
if(first){
if(rsys("kern.clockrate", (char*)&x, sizeof x) < sizeof ci)
stathz = 128;
else{
ci = (struct clockinfo*)x;
stathz = ci->stathz;
}
return;
}
if((n=rsys("kern.cp_time", (char*)x, sizeof x)) < 5*sizeof(ulong))
return;
Bprint(&bout, "user %lud %d\n", x[CP_USER]+x[CP_NICE], stathz);
Bprint(&bout, "sys %lud %d\n", x[CP_SYS], stathz);
Bprint(&bout, "cpu %lud %d\n", x[CP_USER]+x[CP_NICE]+x[CP_SYS], stathz);
Bprint(&bout, "idle %lud %d\n", x[CP_IDLE], stathz);
}
void
xloadavg(int first)
{
double l[3];
if(first)
return;
if(getloadavg(l, 3) < 0)
return;
Bprint(&bout, "load =%d 1000\n", (int)(l[0]*1000.0));
}
void
xswap(int first)
{
static struct kvm_swap s;
static ulong pgin, pgout;
int i, o;
static int pgsize;
if(first){
pgsize = getpagesize();
if(pgsize == 0)
pgsize = 4096;
return;
}
if(kvm == nil)
return;
i = isys("vm.stats.vm.v_swappgsin");
o = isys("vm.stats.vm.v_swappgsout");
if(i != pgin || o != pgout){
pgin = i;
pgout = o;
kvm_getswapinfo(kvm, &s, 1, 0);
}
Bprint(&bout, "swap =%lld %lld\n", s.ksw_used*(vlong)pgsize, s.ksw_total*(vlong)pgsize);
}
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