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#include "config.h"
#include "epplet.h"
#ifdef HAVE_LIBGTOP
#include <glibtop.h>
#include <glibtop/loadavg.h>
#include <glibtop/cpu.h>
#include "proc.h"
#endif
int cpus = 0;
double *prev_val = NULL;
int *load_val = NULL;
Epplet_gadget *load = NULL;
static void cb_timer(void *data);
static void cb_close(void *data);
int count_cpus(void);
static void
cb_timer(void *data)
{
#ifdef HAVE_LIBGTOP
/* libgtop only handles total load, not per-CPU load */
glibtop_loadavg loadavg;
double val, val2;
int i;
glibtop_get_loadavg (&loadavg);
val2=loadavg.loadavg[0];
val2 *= 20;
/* printf ("Load: %f\n", val2); */
if (val2 > 100)
val2 = 100;
load_val[0] = val2;
Epplet_gadget_data_changed(load[0]);
#else
static FILE *f;
int i;
f = fopen("/proc/stat", "r");
if (f)
{
char s[256];
if (cpus > 1)
fgets(s, 255, f);
for (i = 0; i < cpus; i++)
{
char ss[64];
double val, val2;
fgets(s, 255, f);
sscanf(s, "%*s %s %*s %*s %*s", ss);
val = atof(ss);
val2 = val - prev_val[i];
prev_val[i] = val;
val2 *= 3;
if (val2 > 100)
val2 = 100;
load_val[i] = val2;
Epplet_gadget_data_changed(load[i]);
}
fclose(f);
}
#endif
Esync();
Epplet_timer(cb_timer, NULL, 0.333, "TIMER");
data = NULL;
}
static void
cb_close(void *data)
{
Epplet_unremember();
Esync();
data = NULL;
exit(0);
}
int
count_cpus(void)
{
#ifdef HAVE_LIBGTOP
int i,c = 0;
int bits;
glibtop_cpu cpu;
glibtop_get_cpu (&cpu);
bits= (int)cpu.xcpu_flags;
for (i=0; i<GLIBTOP_NCPU; i++) {
c += bits&1;
/* printf ("%d: %o - %d\n",i,bits,c ); */
bits>>=1;
}
/* printf ("CPUs: %d\n", c); */
return c;
#else
FILE *f;
char s[256];
f = fopen("/proc/stat", "r");
if (f)
{
int count = 0;
char ok = 1;
while (ok)
{
if (!fgets(s, 255, f))
ok = 0;
else
{
if (strncmp(s, "cpu", 3))
ok = 0;
else
count++;
}
}
if (count > 1)
count--;
fclose (f);
return count;
}
exit(1);
#endif
}
int
main(int argc, char **argv)
{
int i;
atexit(Epplet_cleanup);
cpus = count_cpus();
load_val = malloc(sizeof(int) * cpus);
prev_val = malloc(sizeof(double) * cpus);
load = malloc(sizeof(Epplet_gadget) * cpus);
Epplet_Init("E-Load", "0.1", "Enlightenment Load Epplet",
5, cpus, argc, argv, 0);
Epplet_timer(cb_timer, NULL, 0.333, "TIMER");
Epplet_gadget_show(Epplet_create_button(NULL, NULL,
2, 2, 0, 0, "CLOSE", 0, NULL,
cb_close, NULL));
for (i = 0; i < cpus; i++)
{
load[i] = Epplet_create_hbar(16, 3 + (i * 16), 62, 12,
0, &(load_val[i]));
Epplet_gadget_show(load[i]);
}
Epplet_show();
Epplet_Loop();
return 0;
}
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