/*****************************************************************************
*
* waiter_freq04.c 2012.06.10 Smythies
*        Mods as per chnages to the waiter program.
*
* waiter_freq04.c 2012.05.07 Smythies
*        A program to build a script for use with the waiter program.
*        Everything is coded herein. Re-compile to change things.
*        This one sweeps the load for different numbers of processes.
*
*****************************************************************************/

#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>

#define LOOPS_PER_USEC 207.547 /* Tight loops per second. s15.smythies.com. CONFIG_NO_HZ=n or y kernels */

void main(int argc, char **argv){

   double load, period, s, c, freq;
   int l;

   printf("#! /bin/bash\n");
   printf("uptime >freq_peter35\n");

   freq = 180.0; /* 1 processes or 180 Hertz total */

   for(load = 0.05; load <= 0.96; load = load + 0.05){
      period = 1.0 / freq;
      c = period * load;
      s = period - c;
      if(s < 0.0){
         printf("Doug: you have screwed up. Sleep time is negative: %lf\n", s);
         exit (-1);
      } /* endif */
      l = (int) (c * LOOPS_PER_USEC * 1000000 + 0.5);
      printf("# Freq = %4lf Hz; Processes = 1; Load = %4.2lf\n", freq, load);
      printf("../c/waiter 1 180 %d %d %d 1\n", (int) (10.0 * freq + 0.5), l, (int) (s * 1000000 + 0.5));
      printf("uptime >>freq_peter35\n");
   } /* endfor */
   printf("\n");

   freq = 90.0; /* 2 processes or 180 Hertz total */

   for(load = 0.05; load <= 0.96; load = load + 0.05){
      period = 1.0 / freq;
      c = period * load;
      s = period - c;
      if(s < 0.0){
         printf("Doug: you have screwed up. Sleep time is negative: %lf\n", s);
         exit (-1);
      } /* endif */
      l = (int) (c * LOOPS_PER_USEC * 1000000 + 0.5);
      printf("# Freq = %4lf Hz; Processes = 2; Load = %4.2lf\n", freq, load);
      printf("../c/waiter 2 180 %d %d %d 1\n", (int) (10.0 * freq + 0.5), l, (int) (s * 1000000 + 0.5));
      printf("uptime >>freq_peter35\n");
   } /* endfor */
   printf("\n");

   freq = 60.0; /* 3 processes or 180 Hertz total */

   for(load = 0.05; load <= 0.96; load = load + 0.05){
      period = 1.0 / freq;
      c = period * load;
      s = period - c;
      if(s < 0.0){
         printf("Doug: you have screwed up. Sleep time is negative: %lf\n", s);
         exit (-1);
      } /* endif */
      l = (int) (c * LOOPS_PER_USEC * 1000000 + 0.5);
      printf("# Freq = %4lf Hz; Processes = 3; Load = %4.2lf\n", freq, load);
      printf("../c/waiter 3 180 %d %d %d 1\n", (int) (10.0 * freq + 0.5), l, (int) (s * 1000000 + 0.5));
      printf("uptime >>freq_peter35\n");
   } /* endfor */
   printf("\n");

   freq = 45.0; /* 4 processes or 180 Hertz total */

   for(load = 0.05; load <= 0.96; load = load + 0.05){
      period = 1.0 / freq;
      c = period * load;
      s = period - c;
      if(s < 0.0){
         printf("Doug: you have screwed up. Sleep time is negative: %lf\n", s);
         exit (-1);
      } /* endif */
      l = (int) (c * LOOPS_PER_USEC * 1000000 + 0.5);
      printf("# Freq = %4lf Hz; Processes = 4; Load = %4.2lf\n", freq, load);
      printf("../c/waiter 4 180 %d %d %d 1\n", (int) (10.0 * freq + 0.5), l, (int) (s * 1000000 + 0.5));
      printf("uptime >>freq_peter35\n");
   } /* endfor */
   printf("\n");

   freq = 36.0; /* 5 processes or 180 Hertz total */

   for(load = 0.05; load <= 0.96; load = load + 0.05){
      period = 1.0 / freq;
      c = period * load;
      s = period - c;
      if(s < 0.0){
         printf("Doug: you have screwed up. Sleep time is negative: %lf\n", s);
         exit (-1);
      } /* endif */
      l = (int) (c * LOOPS_PER_USEC * 1000000 + 0.5);
      printf("# Freq = %4lf Hz; Processes = 5; Load = %4.2lf\n", freq, load);
      printf("../c/waiter 5 180 %d %d %d 1\n", (int) (10.0 * freq + 0.5), l, (int) (s * 1000000 + 0.5));
      printf("uptime >>freq_peter35\n");
   } /* endfor */
   printf("\n");

   freq = 30.0; /* 6 processes or 180 Hertz total */

   for(load = 0.05; load <= 0.96; load = load + 0.05){
      period = 1.0 / freq;
      c = period * load;
      s = period - c;
      if(s < 0.0){
         printf("Doug: you have screwed up. Sleep time is negative: %lf\n", s);
         exit (-1);
      } /* endif */
      l = (int) (c * LOOPS_PER_USEC * 1000000 + 0.5);
      printf("# Freq = %4lf Hz; Processes = 6; Load = %4.2lf\n", freq, load);
      printf("../c/waiter 6 180 %d %d %d 1\n", (int) (10.0 * freq + 0.5), l, (int) (s * 1000000 + 0.5));
      printf("uptime >>freq_peter35\n");
   } /* endfor */

} /* endprogram */