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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#if defined(HAVE_LIBSTATGRAB) && !defined(HAVE_LIBSTATGRAB_H)
#undef HAVE_LIBSTATGRAB
#endif
#include <assert.h>
#include <stdint.h>
#ifndef HAVE_LIBSTATGRAB
#include <linux/kernel.h>
#include <sys/sysinfo.h>
#ifndef PROC_MEMINFO
#define PROC_MEMINFO "/proc/meminfo"
#endif
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#define HEADERLEN 14
#define VERSION "0.9.2"
extern char *optarg;
extern int optind, opterr, optopt;
struct freecolor_meminfo {
unsigned long totalram; /* Total usable main memory size */
unsigned long freeram; /* Available memory size */
unsigned long sharedram; /* Amount of shared memory */
unsigned long bufferram; /* Memory used by buffers */
unsigned long cachedram; /* Memory used for I/O cache */
unsigned long totalswap; /* Total swap space size */
unsigned long freeswap; /* swap space still available */
uint64_t totalram; /* Total usable main memory size */
uint64_t freeram; /* Available memory size */
uint64_t sharedram; /* Amount of shared memory */
uint64_t bufferram; /* Memory used by buffers */
uint64_t cachedram; /* Memory used for I/O cache */
uint64_t totalswap; /* Total swap space size */
uint64_t freeswap; /* swap space still available */
};
void bargraph(float percent, float secondper, char marks[BARLEN + HEADERLEN + 1], int usefull) {
void bargraph(double percent, double secondper, char marks[BARLEN + HEADERLEN + 1], int usefull) {
char percentone[BARLEN + 1], percenttwo[BARLEN + 1], remain[BARLEN + 1];
unsigned int numberofmarks, numofmarkstwo, remainnum;
numberofmarks=(int) ((float) (BARLEN * (percent / 100)));
numberofmarks=(int) ((double) (BARLEN * (percent / 100)));
assert(numberofmarks <= BARLEN);
if (!usefull) {
numofmarkstwo = (int) ((float) (BARLEN * (secondper / 100)));
numofmarkstwo = (int) ((double) (BARLEN * (secondper / 100)));
} else {
numofmarkstwo = (BARLEN - numberofmarks);
}
assert(numofmarkstwo <= BARLEN);
remainnum = BARLEN - (numberofmarks + numofmarkstwo);
assert(remainnum <= BARLEN);
memset(percentone, '#', numberofmarks);
memset(percenttwo, '%', numofmarkstwo);
memset(remain, '.', remainnum);
percentone[numberofmarks] = 0;
percenttwo[numofmarkstwo] = 0;
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fclose(fd);
return(results);
}
int get_all_meminfo(struct freecolor_meminfo *retval) {
struct sysinfo sinfo;
unsigned long meminfo_cached;
uint64_t meminfo_cached;
uint64_t multiplier;
meminfo_cached = get_meminfo("Cached:");
sysinfo(&sinfo);
#ifdef HAVE_SYSINFO_MEM_UNIT
multiplier = sinfo.mem_unit;
#else
multiplier = 1;
#endif
retval->totalram = sinfo.totalram;
retval->freeram = sinfo.freeram;
retval->sharedram = sinfo.sharedram;
retval->bufferram = sinfo.bufferram;
retval->totalswap = sinfo.totalswap;
retval->freeswap = sinfo.freeswap;
retval->totalram = sinfo.totalram * multiplier;
retval->freeram = sinfo.freeram * multiplier;
retval->sharedram = sinfo.sharedram * multiplier;
retval->bufferram = sinfo.bufferram * multiplier;
retval->totalswap = sinfo.totalswap * multiplier;
retval->freeswap = sinfo.freeswap * multiplier;
retval->cachedram = meminfo_cached;
return(0);
}
#else
int get_all_meminfo(struct freecolor_meminfo *retval) {
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return(0);
}
#endif
int main(int argc, char **argv) {
struct freecolor_meminfo sinfo;
unsigned long cachedbuffer, divisor;
float percentram, percentswap, percentbuffer, percentused, percentfree;
float ramfree, ramtotal, swapfree, swaptotal, doloop, totaltotal;
uint64_t cachedbuffer, divisor;
double percentram, percentswap, percentbuffer, percentused, percentfree;
double ramfree, ramtotal, swapfree, swaptotal, doloop, totaltotal;
char realbarchart[BARLEN +HEADERLEN + 1], swapbarchart[BARLEN + HEADERLEN + 1], totalbarchart[BARLEN + HEADERLEN + 1];
int i, dototals, doold, linestoup;
int gam_ret;
/* Set defaults */
divisor = 1024;
doold = 0;
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ramfree = sinfo.freeram;
swapfree = sinfo.freeswap;
swaptotal = sinfo.totalswap;
totaltotal = sinfo.totalram + sinfo.totalswap;
cachedbuffer = sinfo.bufferram + sinfo.cachedram;
percentram = (float) ((ramfree / ramtotal) * 100);
percentbuffer = (float) ((cachedbuffer / ramtotal) * 100);
percentfree = (float) (((sinfo.freeram + sinfo.freeswap + cachedbuffer) / totaltotal) * 100);
percentram = (double) ((ramfree / ramtotal) * 100);
percentbuffer = (double) ((cachedbuffer / ramtotal) * 100);
percentfree = (double) (((sinfo.freeram + sinfo.freeswap + cachedbuffer) / totaltotal) * 100);
percentused = (int) (100 - ((int) percentfree));
if (swaptotal!=0) {
percentswap = (float) (( swapfree / swaptotal) * 100);
percentswap = (double) (( swapfree / swaptotal) * 100);
} else {
percentswap = 0;
}
bargraph(percentswap, 0, swapbarchart, 0);
bargraph(percentram, percentbuffer, realbarchart, 0);
bargraph((int) percentfree,(int) percentused, totalbarchart,1);
if (!doold) {
printf("Physical : \033[1;30m[\033[1;32m%s\033[1;30m]\033[1;37m %i\033[0;31m%%\033[0m\t(%lu/%lu)\n",
realbarchart,
(int) (percentram + percentbuffer),
(unsigned long) (ramfree + cachedbuffer) / divisor,
(unsigned long) ramtotal/divisor
(unsigned long) ((ramfree + cachedbuffer) / divisor),
(unsigned long) (ramtotal / divisor)
);
printf("Swap : \033[1;30m[\033[1;32m%s\033[1;30m]\033[1;37m %i\033[0;31m%%\033[0m\t(%lu/%lu)\n",
swapbarchart,
(int) percentswap,
(unsigned long) swapfree / divisor,
(unsigned long) swaptotal/divisor
(unsigned long) (swapfree / divisor),
(unsigned long) (swaptotal/divisor)
);
if (dototals) {
printf("Total : \033[1;30m[\033[1;32m%s\033[1;30m]\033[1;37m \033[0m(%lu=%lu+%lu)\n",
totalbarchart,
(unsigned long) (sinfo.totalram + sinfo.totalswap) / divisor,
(unsigned long) ((sinfo.totalram + sinfo.totalswap) / divisor),
(unsigned long) ((sinfo.freeram + sinfo.freeswap) / divisor),
(unsigned long) ((totaltotal - ((sinfo.freeram + sinfo.freeswap + cachedbuffer))) / divisor)
);
}
} else {
printf(" total used free shared buffers cached\n");
printf("Mem: %12lu %10lu %10lu %10lu %10lu %10lu\n",
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(unsigned long) ((sinfo.totalswap - sinfo.freeswap) / divisor),
(unsigned long) (sinfo.freeswap / divisor)
);
if (dototals) {
printf("Total: %11lu = (%8lu (used) + %8lu (free))\n",
(unsigned long) (totaltotal / divisor),
(((long) totaltotal) - ((sinfo.freeram+sinfo.freeswap))) / divisor,
(sinfo.freeram+sinfo.freeswap+((unsigned long) cachedbuffer)) / divisor
(unsigned long) ((((long) totaltotal) - ((sinfo.freeram+sinfo.freeswap))) / divisor),
(unsigned long) ((sinfo.freeram+sinfo.freeswap+((unsigned long) cachedbuffer)) / divisor)
);
}
}
if (doloop==0) {
break;
}
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