53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/* See LICENSE file for copyright and license details. */
|
|
#include <stdio.h>
|
|
|
|
#include "../util.h"
|
|
|
|
const char *
|
|
ram_free(void)
|
|
{
|
|
long free;
|
|
|
|
return (pscanf("/proc/meminfo", "MemFree: %ld kB\n", &free) == 1) ?
|
|
bprintf("%f", (float)free / 1024 / 1024) : NULL;
|
|
}
|
|
|
|
const char *
|
|
ram_perc(void)
|
|
{
|
|
long total, free, buffers, cached;
|
|
|
|
return (pscanf("/proc/meminfo",
|
|
"MemTotal: %ld kB\n"
|
|
"MemFree: %ld kB\n"
|
|
"MemAvailable: %ld kB\nBuffers: %ld kB\n"
|
|
"Cached: %ld kB\n",
|
|
&total, &free, &buffers, &buffers, &cached) == 5) ?
|
|
bprintf("%d", 100 * ((total - free) - (buffers + cached)) / total) :
|
|
NULL;
|
|
}
|
|
|
|
const char *
|
|
ram_total(void)
|
|
{
|
|
long total;
|
|
|
|
return (pscanf("/proc/meminfo", "MemTotal: %ld kB\n", &total) == 1) ?
|
|
bprintf("%f", (float)total / 1024 / 1024) : NULL;
|
|
}
|
|
|
|
const char *
|
|
ram_used(void)
|
|
{
|
|
long total, free, buffers, cached;
|
|
|
|
return (pscanf("/proc/meminfo",
|
|
"MemTotal: %ld kB\n"
|
|
"MemFree: %ld kB\n"
|
|
"MemAvailable: %ld kB\nBuffers: %ld kB\n"
|
|
"Cached: %ld kB\n",
|
|
&total, &free, &buffers, &buffers, &cached) == 5) ?
|
|
bprintf("%f", (float)(total - free - buffers - cached) / 1024 / 1024) :
|
|
NULL;
|
|
}
|