void burn_cpu_abort(long long exec_usec, double exec_slope, char *abort) {
long long i;
for(i = 0; i < exec_usec; i++) {
if(*abort)
return;
burn_cpu(1, exec_slope);
}
}
/*
02/22/2010. Attempt to determine processor clock rate even when
speed step is in use. Keep running CPU-intensive task until
determine maximum clock rate.
*/
double mhz(int verbose) {
double maxval = 0.0;
/* Temporary fix to specific machine */
double val = core_mhz(verbose);
/* Revert back to original code */
return val;
/* This was the new method */
while (val != maxval) {
burn_cpu();
if (val > maxval)
maxval = val;
val = core_mhz(verbose);
}
return val;
}
int main(int argc, char *argv[]) {
int nmeas = 100;
if (argc > 1)
nmeas = atoi(argv[1]);
int i;
double max_mhz = 0.0;
for (i = 0; i < nmeas; i++) {
double mhz = get_mhz();
if (mhz > max_mhz)
max_mhz = mhz;
printf("%d\t%.2f\t%.2f\n", i, mhz, max_mhz);
burn_cpu();
}
return 0;
}
