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