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metrics.c
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#include "config.h"
#undef NDEBUG
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <memory.h>
#include <string.h>
#include <ctype.h>
#include <time.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYSINFO
#include <sys/sysinfo.h>
#endif
#ifdef _MSC_VER
#define open _open
#define read _read
#define close _close
#include <sys/timeb.h>
#include <time.h>
#endif
#ifdef HAVE_MAC_SYSCTL
#include <sys/types.h>
#include <sys/sysctl.h>
#include <sys/socketvar.h>
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#include <netinet/tcp.h>
#include <netinet/tcp_var.h>
#include <net/if.h>
#endif
#ifdef HAVE_UNAME
#include <sys/utsname.h>
#endif
#include "evpath.h"
#include "cm_internal.h"
#ifdef HAVE_COD_H
#include "cod.h"
#else
#define cod_assoc_externs(x,y)
#define cod_parse_for_context(x,y)
#endif
#include <fcntl.h>
/*#define CPU_FREQ_SCALING_MAX_FREQ "/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq"*/
/*#define CPU_FREQ_SCALING_MIN_FREQ "/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq"*/
/*#define CPU_FREQ_SCALING_CUR_FREQ "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq"*/
/*#define CPU_FREQ_SCALING_AVAILABLE_FREQ "/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"*/
/*#define CPU_FREQ_SCALING_GOVERNOR "/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"*/
/*#define CPU_FREQ_SCALING_AVAILABLE_GOVERNORS "/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors"*/
/*#define CPU_FREQ_AFFECTED_CPU "/sys/devices/system/cpu/cpu0/cpufreq/affected_cpus"*/
/*#define CPU_FREQ_ONDEMAND_SAMPLING_RATE_MIN "/sys/devices/system/cpu/cpu0/cpufreq/ondemand/sampling_rate_min"*/
/*#define CPU_FREQ_ONDEMAND_SAMPLING_RATE_MAX "/sys/devices/system/cpu/cpu0/cpufreq/ondemand/sampling_rate_max"*/
/*#define CPU_FREQ_ONDEMAND_SAMPLING_RATE "/sys/devices/system/cpu/cpu0/cpufreq/ondemand/sampling_rate"*/
/*#define CPU_FREQ_ONDEMAND_UP_THRESHOLD "/sys/devices/system/cpu/cpu0/cpufreq/ondemand/up_threshold"*/
/*#define CPU_FREQ_ONDEMAND_IGNORE_NICE_LOAD "/sys/devices/system/cpu/cpu0/cpufreq/ondemand/ignore_nice_load"*/
/*#define CPU_FREQ_ONDEMAND_POWERSAVE_BIAD "/sys/devices/system/cpu/cpu0/cpufreq/ondemand/powersave_bias"*/
typedef struct sensor_slurp {
const char *name;
char buffer[8192];
} sensor_slurp, *sensor_slurp_ptr;
/*sensor_slurp proc_stat = { "/proc/stat" };*/
/*sensor_slurp proc_loadavg = { "/proc/loadavg" };*/
/*sensor_slurp proc_meminfo = { "/proc/meminfo" };*/
/*sensor_slurp proc_net_dev = { "/proc/net/dev" };*/
char * skip_whitespace (const char *p)
{
while (isspace((unsigned char)*p)) p++;
return (char *)p;
}
char * skip_token (const char *p)
{
while (isspace((unsigned char)*p)) p++;
while (*p && !isspace((unsigned char)*p)) p++;
return (char *)p;
}
int slurpfile(const char *filename, char *buffer, int buflen)
{
#ifndef _MSC_VER
int fd, read_len;
fd = open(filename, O_RDONLY);
if(fd < 0) {
printf("open() error on file %s \n", filename);
exit(0);
}
read_len = read(fd, buffer, buflen);
if(read_len <= 0) {
printf("read() error on file %s \n", filename);
exit(0);
}
if (read_len == buflen) {
--read_len;
printf("slurpfile() read() buffer overflow on file %s", filename);
}
buffer[read_len] = '\0';
close(fd);
return read_len;
#else
return 0;
#endif
}
char *update_file(struct sensor_slurp *sf) {
(void) slurpfile(sf->name, &sf->buffer[0], 8192);
return sf->buffer;
}
unsigned int num_cpustates_func ( void ) {
char *p;
unsigned int i=0;
sensor_slurp proc_stat = { "/proc/stat" };
p = update_file(&proc_stat);
/**
** Skip initial "cpu" token
**/
p = skip_token(p);
p = skip_whitespace(p);
/*
** Loop over file until next "cpu" token is found.
** i=4 : Linux 2.4.x
** i=7 : Linux 2.6.x
*/
while (strncmp(p,"cpu",3)) {
p = skip_token(p);
p = skip_whitespace(p);
i++;
}
return i;
}
unsigned long total_jiffies_func ( void ) {
char *p;
unsigned long user_jiffies, nice_jiffies, system_jiffies, idle_jiffies,
wio_jiffies, irq_jiffies, sirq_jiffies;
sensor_slurp proc_stat = { "/proc/stat" };
p = update_file(&proc_stat);
p = skip_token(p);
p = skip_whitespace(p);
user_jiffies = (unsigned int)strtod( p, &p );
p = skip_whitespace(p);
nice_jiffies = (unsigned int)strtod( p, &p );
p = skip_whitespace(p);
system_jiffies = (unsigned int)strtod( p , &p );
p = skip_whitespace(p);
idle_jiffies = (unsigned int)strtod( p , &p );
int num_cpustates = num_cpustates_func();
if(num_cpustates == 4) /*NUM_CPUSTATES_24X*/
return user_jiffies + nice_jiffies + system_jiffies + idle_jiffies;
p = skip_whitespace(p);
wio_jiffies = (unsigned int)strtod( p , &p );
p = skip_whitespace(p);
irq_jiffies = (unsigned int)strtod( p , &p );
p = skip_whitespace(p);
sirq_jiffies = (unsigned int)strtod( p , &p );
return user_jiffies + nice_jiffies + system_jiffies + idle_jiffies +
wio_jiffies + irq_jiffies + sirq_jiffies;
}
void cpu_and_core_usage_func (double usage[])
{
#ifndef _MSC_VER
char *p;
int n, numcores, i;
numcores = num_cpustates_func();
n = numcores + 1;
unsigned long user_jiffies[n], last_user_jiffies[n], nice_jiffies[n], last_nice_jiffies[n], system_jiffies[n], last_system_jiffies[n], idle_jiffies[n], last_idle_jiffies[n], wio_jiffies[n], last_wio_jiffies[n], irq_jiffies[n], last_irq_jiffies[n], sirq_jiffies[n], last_sirq_jiffies[n], delta_busy[n], delta_total[n];
sensor_slurp proc_stat = { "/proc/stat" };
p = update_file(&proc_stat);
p = skip_token(p);
p = skip_whitespace(p);
for(i=0;i<n;++i)
{
user_jiffies[i] = (unsigned int)strtod( p, &p );
p = skip_whitespace(p);
nice_jiffies[i] = (unsigned int)strtod( p, &p );
p = skip_whitespace(p);
system_jiffies[i] = (unsigned int)strtod( p , &p );
p = skip_whitespace(p);
idle_jiffies[i] = (unsigned int)strtod( p , &p );
p = skip_whitespace(p);
wio_jiffies[i] = (unsigned int)strtod( p , &p );
p = skip_whitespace(p);
irq_jiffies[i] = (unsigned int)strtod( p , &p );
p = skip_whitespace(p);
sirq_jiffies[i] = (unsigned int)strtod( p , &p );
p = skip_whitespace(p);
delta_busy[i] = (user_jiffies[i] - last_user_jiffies[i]) + (nice_jiffies[i] - last_nice_jiffies[i]) + (system_jiffies[i] - last_system_jiffies[i]);
delta_total[i] = delta_busy[i] + (idle_jiffies[i] - last_idle_jiffies[i]) + (wio_jiffies[i] - last_wio_jiffies[i]) + (irq_jiffies[i] - last_irq_jiffies[i]) + (sirq_jiffies[i] - last_sirq_jiffies[i]);
usage[i] = (double) delta_busy[i] / (double) delta_total[i] ;
last_user_jiffies[i] = user_jiffies[i];
last_nice_jiffies[i] = nice_jiffies[i];
last_system_jiffies[i] = system_jiffies[i];
last_idle_jiffies[i] = idle_jiffies[i];
last_wio_jiffies[i] = wio_jiffies[i];
last_irq_jiffies[i] = irq_jiffies[i];
last_sirq_jiffies[i] = sirq_jiffies[i];
while (strncmp(p,"cpu",3)) {
p = skip_token(p);
p = skip_whitespace(p);
}
p = skip_token(p);
p = skip_whitespace(p);
}
#endif
}
double cpu_user_func ( void )
{
char *p;
double val;
static double last_user_jiffies, last_total_jiffies;
double user_jiffies, total_jiffies, diff;
sensor_slurp proc_stat = { "/proc/stat" };
p = update_file(&proc_stat);
p = skip_token(p);
user_jiffies = strtod( p , (char **)NULL );
total_jiffies = (double) total_jiffies_func();
diff = user_jiffies - last_user_jiffies;
if ( diff )
val = (diff/(total_jiffies - last_total_jiffies))*100;
else
val = 0.0;
last_user_jiffies = user_jiffies;
last_total_jiffies = total_jiffies;
return val;
}
double cpu_nice_func ( void )
{
char *p;
double val;
static double last_nice_jiffies, last_total_jiffies;
double nice_jiffies, total_jiffies, diff;
sensor_slurp proc_stat = { "/proc/stat" };
p = update_file(&proc_stat);
p = skip_token(p);
p = skip_token(p);
nice_jiffies = strtod( p , (char **)NULL );
total_jiffies = (double) total_jiffies_func();
diff = (nice_jiffies - last_nice_jiffies);
if ( diff )
val = (diff/(total_jiffies - last_total_jiffies))*100;
else
val = 0.0;
last_nice_jiffies = nice_jiffies;
last_total_jiffies = total_jiffies;
return val;
}
double cpu_system_func ( void )
{
char *p;
static double val;
static double last_system_jiffies, system_jiffies,
last_total_jiffies, total_jiffies, diff;
sensor_slurp proc_stat = { "/proc/stat" };
p = update_file(&proc_stat);
p = skip_token(p);
p = skip_token(p);
p = skip_token(p);
system_jiffies = strtod( p , (char **)NULL );
int num_cpustates = num_cpustates_func();
if (num_cpustates > 4 ) /*NUM_CPUSTATES_24X)*/ {
p = skip_token(p);
p = skip_token(p);
p = skip_token(p);
system_jiffies += strtod( p , (char **)NULL ); /* "intr" counted in system */
p = skip_token(p);
system_jiffies += strtod( p , (char **)NULL ); /* "sintr" counted in system */
}
total_jiffies = (double) total_jiffies_func();
diff = system_jiffies - last_system_jiffies;
if ( diff )
val = (diff/(total_jiffies - last_total_jiffies))*100;
else
val = 0.0;
last_system_jiffies = system_jiffies;
last_total_jiffies = total_jiffies;
return val;
}
double cpu_idle_func ( void )
{
char *p;
static double val;
static double last_idle_jiffies, idle_jiffies,
last_total_jiffies, total_jiffies, diff;
sensor_slurp proc_stat = { "/proc/stat" };
p = update_file(&proc_stat);
p = skip_token(p);
p = skip_token(p);
p = skip_token(p);
p = skip_token(p);
idle_jiffies = strtod( p , (char **)NULL );
total_jiffies = (double) total_jiffies_func();
diff = idle_jiffies - last_idle_jiffies;
if ( diff )
val = (diff/(total_jiffies - last_total_jiffies))*100;
else
val = 0.0;
last_idle_jiffies = idle_jiffies;
last_total_jiffies = total_jiffies;
return val;
}
/**************NET FUNCTIONS*****************/
long received_bytes(char *iface)
{
static long r_bytes=0;
#ifdef HAVE_MAC_SYSCTL
char *buf = NULL, *lim, *next;
static int mib[6];
size_t mlen,vlen;
struct if_msghdr *ifm;
unsigned int ifindex;
mib[0] = CTL_NET;
mib[1] = PF_ROUTE;
mib[2] = 0;
mib[3] = 0;
mib[4] = NET_RT_IFLIST;
mib[5] = 0;
mlen = 6;
ifindex = if_nametoindex(iface);
sysctl(mib,mlen,NULL,&vlen,NULL,0);
buf = malloc(vlen);
sysctl(mib,mlen,buf,&vlen,NULL,0);
lim = buf+vlen;
for(next = buf; next < lim; )
{
ifm = (struct if_msghdr *)next;
next += ifm->ifm_msglen;
// printf("Index %d, ifm index %d\n",ifindex,ifm->ifm_index);
// printf("ibytes %ld\n",ifm->ifm_data.ifi_ibytes);
if(ifindex == ifm->ifm_index)
{
//printf("Correct interface\n");
r_bytes = (long) ifm->ifm_data.ifi_ibytes;
break;
}
}
//printf("Received bytes %ld\n",r_bytes);
free(buf);
#else
char *temp_if;
char *p;
if(iface == NULL)
temp_if = strdup("eth0");
else
temp_if = strdup((const char *)iface);
sensor_slurp proc_net = { "/proc/net/dev" };
p = update_file(&proc_net);
while (p && strncmp(p,temp_if,strlen(temp_if)))
{
p = skip_token(p);
p = skip_whitespace(p);
}
p = skip_token(p);
p = skip_whitespace(p);
r_bytes = strtol( p ,NULL,10);
free(temp_if);
#endif // end HAVE_MAC_SYSCTL
return r_bytes;
}
long sent_bytes(char *iface)
{
long s_bytes;
#ifdef HAVE_MAC_SYSCTL
char *buf = NULL, *lim, *next;
static int mib[6];
size_t mlen,vlen;
struct if_msghdr *ifm;
unsigned int ifindex;
mib[0] = CTL_NET;
mib[1] = PF_ROUTE;
mib[2] = 0;
mib[3] = 0;
mib[4] = NET_RT_IFLIST;
mib[5] = 0;
mlen = 6;
ifindex = if_nametoindex(iface);
sysctl(mib,mlen,NULL,&vlen,NULL,0);
buf = malloc(vlen);
sysctl(mib,mlen,buf,&vlen,NULL,0);
lim = buf+vlen;
for(next = buf; next < lim; )
{
ifm = (struct if_msghdr *)next;
next += ifm->ifm_msglen;
if(ifindex == ifm->ifm_index)
{
// printf("Correct interface\n");
s_bytes = (long) ifm->ifm_data.ifi_obytes;
break;
}
}
// printf("Sent bytes %ld\n",s_bytes);
free(buf);
#else
char *temp_if;
char *p;
int i=0;
if(iface == NULL)
temp_if = strdup("eth0");
else
temp_if = strdup((const char *)iface);
sensor_slurp proc_net = { "/proc/net/dev" };
p = update_file(&proc_net);
while (p && strncmp(p,temp_if,strlen(temp_if)))
{
p = skip_token(p);
p = skip_whitespace(p);
}
while(i <= 8) {
p = skip_token(p);
p = skip_whitespace(p);
++i;
}
s_bytes = strtol (p, NULL,10);
free(temp_if);
#endif // end HAVE_MAC_SYSCTL
return s_bytes;
}
/*
* This function returns the bandwidth of the network(in bits per second) as sampled over a certain window of time.
* stage can be "start" where the network sampling begins, and at stage end the monitored network
* bandwidth is returned. On OS X the two calls have to be atleast 425 microseconds apart.
* */
double net_bw(char *iface, char *stage)
{
static long old_s_bytes, new_s_bytes, old_r_bytes, new_r_bytes, start_time, end_time;
long s_bytes, r_bytes;
struct timeval t;
double net_bw;
#ifdef HAVE_MAC_SYSCTL
char *buf = NULL, *lim, *next;
static int mib[6];
size_t mlen,vlen;
struct if_msghdr *ifm;
unsigned int ifindex;
mib[0] = CTL_NET;
mib[1] = PF_ROUTE;
mib[2] = 0;
mib[3] = 0;
mib[4] = NET_RT_IFLIST;
mib[5] = 0;
mlen = 6;
ifindex = if_nametoindex(iface);
sysctl(mib,mlen,NULL,&vlen,NULL,0);
buf = malloc(vlen);
sysctl(mib,mlen,buf,&vlen,NULL,0);
lim = buf+vlen;
for(next = buf; next < lim; )
{
ifm = (struct if_msghdr *)next;
next += ifm->ifm_msglen;
// printf("Index %d, ifm index %d\n",ifindex,ifm->ifm_index);
// printf("ibytes %ld\n",ifm->ifm_data.ifi_ibytes);
if(ifindex == ifm->ifm_index)
{
// printf("Correct interface\n");
r_bytes = (long) ifm->ifm_data.ifi_ibytes;
s_bytes = (long) ifm->ifm_data.ifi_obytes;
break;
}
}
// printf("Received bytes %ld Sent bytes %ld\n",r_bytes,s_bytes);
free(buf);
#else
int i=0;
char *temp_if;
char *p;
if(iface == NULL)
temp_if = strdup("eth0");
else
temp_if = strdup((const char*)iface);
sensor_slurp proc_net = { "/proc/net/dev" };
p = update_file(&proc_net);
#ifndef HAVE_WINDOWS_H
gettimeofday(&t, NULL);
#else
/* GSE... No gettimeofday on windows.
* Must use _ftime, get millisec time, convert to usec. Bleh.
*/
struct _timeb nowb;
_ftime(&nowb);
t.tv_sec = (long)nowb.time;
t.tv_usec = nowb.millitm * 1000;
#endif
while (p && strncmp(p,temp_if,strlen(temp_if)))
{
p = skip_token(p);
p = skip_whitespace(p);
}
p = skip_token(p);
p = skip_whitespace(p);
r_bytes = strtol( p ,NULL,10);
while(i <= 7) {
p = skip_token(p);
p = skip_whitespace(p);
++i;
}
s_bytes = strtol (p, NULL,10);
free(temp_if);
#endif // end HAVE_MAC_SYSCTL
if(strncmp(stage,"start",3)==0)
{
printf("Start %ld %ld \n",s_bytes,r_bytes);
old_s_bytes = s_bytes;
old_r_bytes = r_bytes;
start_time = t.tv_sec * 1000000 + t.tv_usec;
return 0.0;
}
printf("End %ld %ld \n",s_bytes,r_bytes);
new_s_bytes = s_bytes;
new_r_bytes = r_bytes;
end_time = t.tv_sec * 1000000 + t.tv_usec;
net_bw = (double) (((new_s_bytes - old_s_bytes) + (new_r_bytes - old_r_bytes)) / (double)(end_time - start_time))*1000000*8;
printf("Bandwidth = %f\n",net_bw);
return net_bw;
}
/**************TIMING FUNCTIONS**************/
double dgettimeofday( void )
{
#ifdef HAVE_GETTIMEOFDAY
double timestamp;
struct timeval now;
gettimeofday(&now, NULL);
timestamp = now.tv_sec + now.tv_usec* 1.0e-6 ;
return timestamp;
#else
return -1;
#endif
}
/**************OS FUNCTIONS**************/
char* os_type() {
#ifndef _WIN32
static struct utsname output;
static int first = 1;
if (first) {
uname(&output);
first = 0;
}
return strdup(output.sysname);
#else
return strdup("Windows");
#endif
}
char* os_release() {
#ifndef _WIN32
static struct utsname output;
static int first = 1;
if (first) {
uname(&output);
first = 0;
}
return strdup(output.release);
#else
return strdup("Windows Release");
#endif
}
/* Should probably test if gethostname & uname exist on box before using them.... */
char* hostname() {
static char val[256];
static int first = 1;
if (first) {
gethostname(&val[0],256);
first = 0;
}
return strdup(&val[0]);
}
/**************Stat FUNCTIONS**************/
double stat_uptime() {
double val=0;
#ifdef HAVE_SYSINFO
struct sysinfo info;
sysinfo(&info);
val = (double) info.uptime;
#else
#ifdef HAVE_MAC_SYSCTL
static int mib[4];
struct timeval boottime;
size_t mlen,vlen;
mlen = 2;
mib[0] = CTL_KERN;
mib[1] = KERN_BOOTTIME;
vlen = sizeof(struct timeval);
sysctl(mib,mlen,&boottime,&vlen,NULL,0);
val = dgettimeofday() - (double) boottime.tv_sec - boottime.tv_usec* 1.0e-6;
#endif // end HAVE_MAC_SYSCTL
#endif // end HAVE_SYSINFO
return val;
}
/* double stat_cpu_user() { */
/* } */
/* double stat_cpu_system() { */
/* } */
double stat_loadavg_one ( void )
{
double val;
#ifdef HAVE_GETLOADAVG
double loadavg[3];
getloadavg(loadavg,3);
val = loadavg[0];
#else
sensor_slurp proc_loadavg = { "/proc/loadavg" };
val = strtod( update_file(&proc_loadavg), (char **)NULL);
#endif //end HAVE_GETLOADAVG
return val;
}
double stat_loadavg_five ( void )
{
double val;
#ifdef HAVE_GETLOADAVG
double loadavg[3];
getloadavg(loadavg,3);
val = loadavg[1];
#else
char *p;
sensor_slurp proc_loadavg = { "/proc/loadavg" };
p = update_file(&proc_loadavg);
p = skip_token(p);
val = strtod( p, (char **)NULL);
#endif //end HAVE_GETLOADAVG
return val;
}
double stat_loadavg_fifteen ( void )
{
double val;
#ifdef HAVE_GETLOADAVG
double loadavg[3];
getloadavg(loadavg,3);
val = loadavg[2];
#else
char *p;
sensor_slurp proc_loadavg = { "/proc/loadavg" };
p = update_file(&proc_loadavg);
p = skip_token(p);
p = skip_token(p);
val = strtod( p, (char **)NULL);
#endif //end HAVE_GETLOADAVG
return val;
}
/**************MEMORY FUNCTIONS**************/
unsigned long vm_mem_total() {
unsigned long val = 0;
#ifdef HAVE_MAC_SYSCTL
/* static int flag=0; */
static int mib[4];
size_t mlen,vlen;
mib[0] = CTL_HW;
mib[1] = HW_MEMSIZE;
mlen = 2;
/* if (flag == 0) { */
/* sysctlnametomib("hw.memsize",mib,&mlen); */
/* flag=1; */
/* } */
vlen = sizeof(unsigned long);
sysctl(mib,mlen,&val,&vlen,NULL,0);
#else
char *p;
sensor_slurp proc_meminfo = { "/proc/meminfo" };
p = strstr( update_file(&proc_meminfo), "MemTotal:" );
if(p) {
p = skip_token(p);
val = strtoul( p, NULL, 10 );
} else {
val = 0;
}
#endif //end of HAVE_MAC_SYSCTL
return val;
}
unsigned long vm_mem_free() {
unsigned long val = 0;
#ifdef HAVE_MAC_SYSCTL
/* static int flag=0; */
static int mib[2] = {CTL_VM, VM_SWAPUSAGE};
struct xsw_usage swapval;
size_t vlen;
/* mlen = 4; */
/* if (flag == 0) { */
/* sysctlnametomib("vm.swapusage",mib,&mlen); */
/* flag=1; */
/* } */
vlen = sizeof(struct xsw_usage);
sysctl(mib,2,&swapval,&vlen,NULL,0);
val = (unsigned long) swapval.xsu_avail;
#else
char *p;
sensor_slurp proc_meminfo = { "/proc/meminfo" };
p = strstr( update_file(&proc_meminfo), "MemFree:" );
if(p) {
p = skip_token(p);
val = strtoul( p, NULL, 10 );
} else {
val = 0;
}
#endif //end of HAVE_MAC_SYSCTL
return val;
}
unsigned long vm_swap_total ( void )
{
unsigned long val = 0;
#ifdef HAVE_MAC_SYSCTL
static int mib[2] = {CTL_VM, VM_SWAPUSAGE};
struct xsw_usage swapval;
size_t vlen;
vlen = sizeof(struct xsw_usage);
sysctl(mib,2,&swapval,&vlen,NULL,0);
val = (unsigned long) swapval.xsu_total;
#else
char *p;
sensor_slurp proc_meminfo = { "/proc/meminfo" };
p = strstr( update_file(&proc_meminfo), "SwapFree:" );
if(p) {
p = skip_token(p);
val = strtoul( p, NULL, 10 );
} else {
val = 0;
}
#endif //end HAVE_MAC_SYSCTL
return val;
}
unsigned long vm_swap_free ( void )
{
unsigned long val = 0;
#ifdef HAVE_MAC_SYSCTL
static int mib[2] = {CTL_VM, VM_SWAPUSAGE};
struct xsw_usage swapval;
size_t vlen;
vlen = sizeof(struct xsw_usage);
sysctl(mib,2,&swapval,&vlen,NULL,0);
val = (unsigned long) swapval.xsu_avail;
#else
char *p;
sensor_slurp proc_meminfo = { "/proc/meminfo" };
p = strstr( update_file(&proc_meminfo), "SwapFree:" );
if(p) {
p = skip_token(p);
val = strtoul( p, NULL, 10 );
} else {
val = 0;
}
#endif //end HAVE_MAC_SYSCTL
return val;
}
/**************HARDWARE FUNCTIONS**************/
int hw_cpus () {
long val = -1;
#ifdef HAVE_MAC_SYSCTL
static int mib[2] = {CTL_HW, HW_NCPU};
size_t vlen;
vlen = sizeof(long);
sysctl(mib,2,&val,&vlen,NULL,0);
#else
#if defined(HAVE_SYSCONF)
val = (long) sysconf(_SC_NPROCESSORS_ONLN);
#else
val = 1; // if we don't know any better...
#endif // end HAVE_SYSCONFIG
#endif //end of HAVE_MAC_SYSCTL
return (int) val;
}
long hw_cpu_max_freq( void )
{
long val = 0;
#ifdef HAVE_MAC_SYSCTL
size_t vlen;
vlen = sizeof(long);
sysctlbyname("hw.cpufrequency_max",&val,&vlen,NULL,0);
val = val/1e6;
#else
char *p;
struct stat struct_stat;
char sys_devices_system_cpu[32];
const char *CPU_FREQ_SCALING_MAX_FREQ = "/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq";
if ( stat(CPU_FREQ_SCALING_MAX_FREQ, &struct_stat) == 0 ) {
if(slurpfile(CPU_FREQ_SCALING_MAX_FREQ, sys_devices_system_cpu, 32)) {
p = sys_devices_system_cpu;
val = (strtol( p, (char **)NULL , 10 ) / 1000 );
}
}
#endif // end HAVE_MAC_SYSCTL
return val;
}
long hw_cpu_min_freq( void )
{
long val = -1;
#ifdef HAVE_MAC_SYSCTL
size_t vlen;
vlen = sizeof(long);
sysctlbyname("hw.cpufrequency_min",&val,&vlen,NULL,0);
val = val/1e6;
#else
char *p;
struct stat struct_stat;
char sys_devices_system_cpu[32];
const char *CPU_FREQ_SCALING_MIN_FREQ = "/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq";
if ( stat(CPU_FREQ_SCALING_MIN_FREQ, &struct_stat) == 0 ) {
if(slurpfile(CPU_FREQ_SCALING_MIN_FREQ, sys_devices_system_cpu, 32)) {
p = sys_devices_system_cpu;
val = (strtol( p, (char **)NULL , 10 ) / 1000 );
}
}
#endif //end HAVE_MAC_SYSCTL
return val;
}
long hw_cpu_curr_freq( void )
{
long val = 0;
#ifdef HAVE_MAC_SYSCTL
/* static int flag=0; */
static int mib[2] = {CTL_HW, HW_CPU_FREQ};
size_t vlen;
/* if (flag == 0) { */
/* sysctlnametomib("hw.cpufrequency",mib,&mlen); */
/* printf("\nmib = { %i, %i, %i, %i};\n",mib[0],mib[1],mib[2],mib[3]); */
/* flag=1; */
/* } */
vlen = sizeof(long);
sysctl(mib,2,&val,&vlen,NULL,0);
val = val/1e6;
#else
char *p;
struct stat struct_stat;
char sys_devices_system_cpu[32];
const char *CPU_FREQ_SCALING_CUR_FREQ = "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq";
if ( stat(CPU_FREQ_SCALING_CUR_FREQ, &struct_stat) == 0 ) {
if(slurpfile(CPU_FREQ_SCALING_CUR_FREQ, sys_devices_system_cpu, 32)) {
p = sys_devices_system_cpu;
val = (unsigned int) (strtoul( p, (char **)NULL , 10 ) / 1000 );
}
}
#endif //end HAVE_MAC_SYSCTL
return val;
}
void
add_metrics_routines(stone_type stone, cod_parse_context context)
{
static char extern_string[] = "\
double dgettimeofday(); \n \
/* number of cpus */ \n \
int hw_cpus(); \n \
/* minimum allowed frequency in MHz */ \n \
long hw_cpu_min_freq(); \n \
/* maximum allowed frequency in MHz */ \n \
long hw_cpu_max_freq(); \n \
/* current frequency in Mhz */ \n \
long hw_cpu_curr_freq(); \n \
/* a string to identify the local OS type -- ie Linux */ \n \
char* os_type(); \n \
/* a string to identify the current release -- ie FC14 */ \n \
char* os_release(); \n\
/* a string to identify the hostname -- ie maquis1 */ \n \
char* hostname(); \n\
/* time in seconds that the computer has been up */ \n \
double stat_uptime(); \n\
/* load average over the last one minute */ \n \
double stat_loadavg_one(); \n \
/* load average over the last five minutes */ \n \
double stat_loadavg_five(); \n \
/* load average over the last fifteen minute */ \n \
double stat_loadavg_fifteen(); \n \
/* total physical memory */ \n \
unsigned long vm_mem_total(); \n \
/* free physical memory */ \n \
unsigned long vm_mem_free(); \n \
/* total swap available */ \n \
unsigned long vm_swap_total(); \n \
/* free swap */ \n \
unsigned long vm_swap_free(); \n";
static cod_extern_entry externs[] = {
{"dgettimeofday", (void *) 0}, // 0
{"hw_cpus", (void *) 0}, // 1
{"hw_cpu_min_freq", (void *) 0}, // 2
{"hw_cpu_max_freq", (void *) 0}, // 3
{"hw_cpu_curr_freq", (void *) 0}, // 4
{"os_type", (void *) 0}, // 5
{"os_release", (void *) 0}, // 6
{"hostname", (void *) 0}, // 7
{"stat_uptime", (void *) 0}, // 8
{"stat_loadavg_one", (void *) 0}, // 9
{"stat_loadavg_five", (void *) 0}, // 10
{"stat_loadavg_fifteen", (void *) 0}, // 11