mirror of
https://github.com/ish-app/ish.git
synced 2026-01-18 13:57:29 +00:00
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
#include <inttypes.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include "platform/platform.h"
|
|
#include "debug.h"
|
|
|
|
static void read_proc_line(const char *file, const char *name, char *buf) {
|
|
FILE *f = fopen(file, "r");
|
|
if (f == NULL) ERRNO_DIE(file);
|
|
do {
|
|
fgets(buf, 1234, f);
|
|
} while (strncmp(name, buf, strlen(name)) != 0 || buf[strlen(name)] != ' ');
|
|
fclose(f);
|
|
}
|
|
|
|
struct cpu_usage get_cpu_usage() {
|
|
struct cpu_usage usage = {};
|
|
char buf[1234];
|
|
read_proc_line("/proc/stat", "cpu", buf);
|
|
sscanf(buf, "cpu %"SCNu64" %"SCNu64" %"SCNu64" %"SCNu64"\n", &usage.user_ticks, &usage.system_ticks, &usage.idle_ticks, &usage.nice_ticks);
|
|
return usage;
|
|
}
|
|
|
|
struct mem_usage get_mem_usage() {
|
|
struct mem_usage usage;
|
|
char buf[1234];
|
|
|
|
read_proc_line("/proc/meminfo", "MemTotal", buf);
|
|
sscanf(buf, "MemTotal: %"PRIu64" kB\n", &usage.total);
|
|
read_proc_line("/proc/meminfo", "MemFree", buf);
|
|
sscanf(buf, "MemFree: %"PRIu64" kB\n", &usage.free);
|
|
read_proc_line("/proc/meminfo", "MemActive", buf);
|
|
sscanf(buf, "MemActive: %"PRIu64" kB\n", &usage.active);
|
|
read_proc_line("/proc/meminfo", "MemInactive", buf);
|
|
sscanf(buf, "MemInactive: %"PRIu64" kB\n", &usage.inactive);
|
|
|
|
return usage;
|
|
}
|