/* Test the specified memory. The number of bytes must be multiple of 4096.
* If interactive is true the program exists with an error and prints
* ASCII arts to show progresses. Instead when interactive is 0, it can
* be used as an API call, and returns 1 if memory errors were found or
* 0 if there were no errors detected. */
int memtest_test(unsigned long *m, size_t bytes, int passes, int interactive) {
int pass = 0;
int errors = 0;
while (pass != passes) {
pass++;
if (interactive) memtest_progress_start("Addressing test",pass);
errors += memtest_addressing(m,bytes,interactive);
if (interactive) memtest_progress_end();
if (interactive) memtest_progress_start("Random fill",pass);
memtest_fill_random(m,bytes,interactive);
if (interactive) memtest_progress_end();
errors += memtest_compare_times(m,bytes,pass,4,interactive);
if (interactive) memtest_progress_start("Solid fill",pass);
memtest_fill_value(m,bytes,0,(unsigned long)-1,'S',interactive);
if (interactive) memtest_progress_end();
errors += memtest_compare_times(m,bytes,pass,4,interactive);
if (interactive) memtest_progress_start("Checkerboard fill",pass);
memtest_fill_value(m,bytes,ULONG_ONEZERO,ULONG_ZEROONE,'C',interactive);
if (interactive) memtest_progress_end();
errors += memtest_compare_times(m,bytes,pass,4,interactive);
}
return errors;
}
void memtest_test(size_t megabytes, int passes) {
size_t bytes = megabytes*1024*1024;
unsigned long *m = malloc(bytes);
int pass = 0;
if (m == NULL) {
fprintf(stderr,"Unable to allocate %zu megabytes: %s",
megabytes, strerror(errno));
exit(1);
}
while (pass != passes) {
pass++;
memtest_progress_start("Addressing test",pass);
memtest_addressing(m,bytes);
memtest_progress_end();
memtest_progress_start("Random fill",pass);
memtest_fill_random(m,bytes);
memtest_progress_end();
memtest_compare_times(m,bytes,pass,4);
memtest_progress_start("Solid fill",pass);
memtest_fill_value(m,bytes,0,(unsigned long)-1,'S');
memtest_progress_end();
memtest_compare_times(m,bytes,pass,4);
memtest_progress_start("Checkerboard fill",pass);
memtest_fill_value(m,bytes,ULONG_ONEZERO,ULONG_ZEROONE,'C');
memtest_progress_end();
memtest_compare_times(m,bytes,pass,4);
}
free(m);
}
void memtest_test(void *buffer, size_t megabytes, int passes) {
size_t bytes = megabytes*1024*1024;
unsigned long *m = buffer;
int pass = 0;
while (pass != passes) {
pass++;
memtest_progress_start("Addressing test",pass);
memtest_addressing(m,bytes);
memtest_progress_end();
memtest_progress_start("Random fill",pass);
memtest_fill_random(m,bytes);
memtest_progress_end();
memtest_compare_times(m,bytes,pass,4);
memtest_progress_start("Solid fill",pass);
memtest_fill_value(m,bytes,0,(unsigned long)-1,'S');
memtest_progress_end();
memtest_compare_times(m,bytes,pass,4);
memtest_progress_start("Checkerboard fill",pass);
memtest_fill_value(m,bytes,ULONG_ONEZERO,ULONG_ZEROONE,'C');
memtest_progress_end();
memtest_compare_times(m,bytes,pass,4);
}
}
void memtest_compare_times(unsigned long *m, size_t bytes, int pass, int times) {
int j;
for (j = 0; j < times; j++) {
memtest_progress_start("Compare",pass);
memtest_compare(m,bytes);
memtest_progress_end();
}
}
int memtest_compare_times(unsigned long *m, size_t bytes, int pass, int times,
int interactive)
{
int j;
int errors = 0;
for (j = 0; j < times; j++) {
if (interactive) memtest_progress_start("Compare",pass);
errors += memtest_compare(m,bytes,interactive);
if (interactive) memtest_progress_end();
}
return errors;
}