mirror of https://github.com/lindes/ttyload.git
various modifications, got it to a working state.
This commit is contained in:
lindes
parent
7806e606d2
commit
63d956add8
212
ttyload.c
212
ttyload.c
|
|
@ -1,3 +1,17 @@
|
|||
/*
|
||||
* ttyload
|
||||
*
|
||||
* tty equivelant to xload
|
||||
*
|
||||
* Copyright 1996 by David Lindes
|
||||
* all right reserved.
|
||||
*
|
||||
* Version information: $Id: ttyload.c,v 1.2 1996-06-16 02:49:29 lindes Exp $
|
||||
*
|
||||
*/
|
||||
|
||||
#ident "$Id: ttyload.c,v 1.2 1996-06-16 02:49:29 lindes Exp $"
|
||||
|
||||
#include <limits.h>
|
||||
#include <stdio.h>
|
||||
#include <sys/fcntl.h>
|
||||
|
|
@ -6,61 +20,34 @@
|
|||
#include <sys/types.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#define MIN(a,b) ((a)<(b)?(a):(b))
|
||||
#define MAX(a,b) ((a)>(b)?(a):(b))
|
||||
|
||||
#define ONE 01;
|
||||
#define FIVE 02;
|
||||
#define FIFTEEN 04;
|
||||
|
||||
char *loadstrings[] = { " ", "+", "x", "*", ".", "=", "X", "@" };
|
||||
|
||||
typedef long load_t;
|
||||
|
||||
typedef struct load_list {
|
||||
load_t one_minute;
|
||||
load_t five_minute;
|
||||
load_t fifteen_minute;
|
||||
int height1;
|
||||
int height5;
|
||||
int height15;
|
||||
} load_list;
|
||||
|
||||
/* The following variables should probably be assigned using
|
||||
some sort of real logic, rather than these hard-coded
|
||||
defaults, but the defaults work for now... */
|
||||
int rows = 40,
|
||||
cols = 80,
|
||||
height = 35,
|
||||
width = 70,
|
||||
intsec = 1,
|
||||
i,j,k;
|
||||
|
||||
#include "ttyload.h"
|
||||
|
||||
char *kmemfile = "/dev/kmem";
|
||||
int kmemfd;
|
||||
|
||||
void getload(long,long,load_list *);
|
||||
int compute_height(load_t,load_t,int);
|
||||
void showloads(load_list *);
|
||||
void clear_screen();
|
||||
void cycle_load_list(load_list*,load_list,int);
|
||||
|
||||
int debug=3;
|
||||
|
||||
int main(argc,argv,envp)
|
||||
int argc;
|
||||
char *argv[],
|
||||
*envp[];
|
||||
{
|
||||
int kmemfd,
|
||||
omin,omax,
|
||||
lmin,lmax;
|
||||
float multiplier;
|
||||
load_t loadaddr;
|
||||
load_list min = {LONG_MAX,LONG_MAX,LONG_MAX},
|
||||
max = {0,0,0},
|
||||
*loadavgs;
|
||||
load_list *loadavgs, newload;
|
||||
int i,j,k;
|
||||
|
||||
loadavgs = (load_list *)calloc(width,sizeof(load_list));
|
||||
|
||||
if(!loadavgs)
|
||||
{
|
||||
perror("malloc for loadavgs failed");
|
||||
perror("calloc for loadavgs failed");
|
||||
}
|
||||
|
||||
loadaddr = sysmp(MP_KERNADDR,MPKA_AVENRUN);
|
||||
|
|
@ -88,16 +75,61 @@ int main(argc,argv,envp)
|
|||
|
||||
getload(kmemfd,loadaddr,&loadavgs[i]);
|
||||
|
||||
/*
|
||||
printf("Load averages: %f, %f, %f\n",
|
||||
loadavgs[i].one_minute / 1024.,
|
||||
loadavgs[i].five_minute / 1024.,
|
||||
loadavgs[i].fifteen_minute / 1024.,
|
||||
if(debug > 3)
|
||||
printf("Load averages: %f, %f, %f\n",
|
||||
loadavgs[i].one_minute / 1024.,
|
||||
loadavgs[i].five_minute / 1024.,
|
||||
loadavgs[i].fifteen_minute / 1024.,
|
||||
NULL);
|
||||
|
||||
showloads(loadavgs);
|
||||
|
||||
if(i == (width - 1))
|
||||
{
|
||||
if(debug > 4)
|
||||
{
|
||||
printf("CYCLING LOAD LIST...\n");
|
||||
sleep(3);
|
||||
}
|
||||
getload(kmemfd,loadaddr,&newload);
|
||||
cycle_load_list(loadavgs,newload,width);
|
||||
i--;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void showloads(loadavgs)
|
||||
load_list *loadavgs;
|
||||
{
|
||||
load_list min = {LONG_MAX-1,LONG_MAX-1,LONG_MAX-1,0,0,0},
|
||||
max = {0,0,0,0,0,0};
|
||||
load_t omin,omax,
|
||||
lmin,lmax;
|
||||
int i,j,k;
|
||||
|
||||
if(debug>3)
|
||||
{
|
||||
printf("Starting with min set: %d,%d,%d\n",
|
||||
min.one_minute,
|
||||
min.five_minute,
|
||||
min.fifteen_minute,
|
||||
NULL);
|
||||
*/
|
||||
printf("Starting with first set: %d,%d,%d\n",
|
||||
loadavgs[0].one_minute,
|
||||
loadavgs[0].five_minute,
|
||||
loadavgs[0].fifteen_minute,
|
||||
NULL);
|
||||
sleep(1);
|
||||
}
|
||||
for(i=0;i<width;i++)
|
||||
{
|
||||
if(debug>9)
|
||||
{
|
||||
printf("Checking for min/max at %d...\n",i);
|
||||
printf("Comparing, for example, %d <=> %d\n",
|
||||
min.one_minute,loadavgs[i].one_minute,
|
||||
NULL);
|
||||
}
|
||||
min.one_minute = MIN(min.one_minute,loadavgs[i].one_minute);
|
||||
min.five_minute = MIN(min.five_minute,loadavgs[i].five_minute);
|
||||
min.fifteen_minute
|
||||
|
|
@ -107,6 +139,20 @@ int main(argc,argv,envp)
|
|||
max.fifteen_minute
|
||||
= MAX(max.fifteen_minute,loadavgs[i].fifteen_minute);
|
||||
}
|
||||
if(debug>3)
|
||||
{
|
||||
printf("Continuing with min set: %d,%d,%d\n",
|
||||
min.one_minute,
|
||||
min.five_minute,
|
||||
min.fifteen_minute,
|
||||
NULL);
|
||||
printf("Continuing with first set: %d,%d,%d\n",
|
||||
loadavgs[0].one_minute,
|
||||
loadavgs[0].five_minute,
|
||||
loadavgs[0].fifteen_minute,
|
||||
NULL);
|
||||
sleep(1);
|
||||
}
|
||||
printf("MIN Load averages: %f, %f, %f\n",
|
||||
min.one_minute / 1024.,
|
||||
min.five_minute / 1024.,
|
||||
|
|
@ -120,7 +166,8 @@ int main(argc,argv,envp)
|
|||
lmin=MIN(min.one_minute,MIN(min.five_minute,min.fifteen_minute));
|
||||
lmax=MAX(max.one_minute,MAX(max.five_minute,max.fifteen_minute));
|
||||
|
||||
printf("Overall MIN, MAX: %f, %f\n",lmin/1024.,lmax/1024.);
|
||||
if(debug > 3)
|
||||
printf("Overall MIN, MAX: %f, %f\n",lmin/1024.,lmax/1024.);
|
||||
|
||||
omin = lmin / 1024;
|
||||
omax = (lmax / 1024) + 1;
|
||||
|
|
@ -128,30 +175,41 @@ int main(argc,argv,envp)
|
|||
lmin = 1024 * omin;
|
||||
lmax = 1024 * omax;
|
||||
|
||||
printf("Boundaries: %d, %d\n",omin,omax);
|
||||
printf("Long Boundaries: %d, %d\n",lmin,lmax);
|
||||
if(debug > 3)
|
||||
{
|
||||
printf("Boundaries: %d, %d... ",omin,omax);
|
||||
printf("Long Boundaries: %d, %d\n",lmin,lmax);
|
||||
}
|
||||
|
||||
|
||||
for(i=0;i<width;i++)
|
||||
{
|
||||
printf("Load averages: %f, %f, %f -- ",
|
||||
loadavgs[i].one_minute / 1024.,
|
||||
loadavgs[i].five_minute / 1024.,
|
||||
loadavgs[i].fifteen_minute / 1024.,
|
||||
NULL);
|
||||
printf("Heights: %d, %d, %d\n",
|
||||
loadavgs[i].height1 =
|
||||
compute_height(loadavgs[i].one_minute,lmax,height),
|
||||
loadavgs[i].height5 =
|
||||
compute_height(loadavgs[i].five_minute,lmax,height),
|
||||
loadavgs[i].height15 =
|
||||
compute_height(loadavgs[i].fifteen_minute,lmax,height),
|
||||
NULL);
|
||||
loadavgs[i].height1 =
|
||||
compute_height(loadavgs[i].one_minute,lmax,height);
|
||||
loadavgs[i].height5 =
|
||||
compute_height(loadavgs[i].five_minute,lmax,height);
|
||||
loadavgs[i].height15 =
|
||||
compute_height(loadavgs[i].fifteen_minute,lmax,height);
|
||||
|
||||
if(debug > 3)
|
||||
{
|
||||
printf("Load averages: %f, %f, %f -- ",
|
||||
loadavgs[i].one_minute / 1024.,
|
||||
loadavgs[i].five_minute / 1024.,
|
||||
loadavgs[i].fifteen_minute / 1024.,
|
||||
NULL);
|
||||
printf("Heights: %d, %d, %d\n",
|
||||
loadavgs[i].height1,
|
||||
loadavgs[i].height5,
|
||||
loadavgs[i].height15,
|
||||
NULL);
|
||||
}
|
||||
}
|
||||
|
||||
clear_screen();
|
||||
for(j=0;j<height;j++)
|
||||
{
|
||||
printf("%6.2f ",
|
||||
printf("%6.2f ",
|
||||
( ( ((float)omax) * (height-j)) / (height))
|
||||
);
|
||||
for(i=0;i<width;i++)
|
||||
|
|
@ -167,6 +225,18 @@ int main(argc,argv,envp)
|
|||
}
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
printf("\n Key:\n");
|
||||
printf(" 1 min: %s, 5 min: %s, 15 min: %s\n"
|
||||
" 1&5 same: %s, 1&15: %s, 5&15: %s, all: %s\n",
|
||||
loadstrings[1],
|
||||
loadstrings[2],
|
||||
loadstrings[4],
|
||||
loadstrings[3],
|
||||
loadstrings[5],
|
||||
loadstrings[6],
|
||||
loadstrings[7],
|
||||
NULL);
|
||||
}
|
||||
|
||||
void getload(kmemfd,loadaddr,loadavgs)
|
||||
|
|
@ -193,3 +263,25 @@ int compute_height(thisload,maxload,height)
|
|||
{
|
||||
return(/*height-*/(height*((maxload-thisload)/(float)maxload)));
|
||||
}
|
||||
|
||||
void clear_screen()
|
||||
{
|
||||
printf("\033[H\033[2J");
|
||||
}
|
||||
|
||||
void cycle_load_list(loadavgs,newload,width)
|
||||
load_list *loadavgs,
|
||||
newload;
|
||||
int width;
|
||||
{
|
||||
/* This function will eventually have code to
|
||||
clear locations on the screen that change. */
|
||||
|
||||
int i;
|
||||
|
||||
for(i=0;i<(width-1);i++)
|
||||
{
|
||||
loadavgs[i] = loadavgs[i+1];
|
||||
}
|
||||
loadavgs[i] = newload;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue