#include <fcntl.h>
#include <string.h>
#include <unistd.h>
-
-#define MAX_CPUS (512)
+#include <errno.h>
int main(int argc, char *argv[])
{
double this_time, last_time;
char line[256], last_line[256], *p;
- int major, minor, cpu, seq, nr, alias;
+ int major, minor, cpu, nr, alias;
+ long MAX_CPUS;
unsigned long long total_entries;
- unsigned long last_seq[MAX_CPUS];
+ unsigned int *last_seq;
+ unsigned int seq;
FILE *f;
+#ifdef _SC_NPROCESSORS_ONLN
+ MAX_CPUS = sysconf(_SC_NPROCESSORS_ONLN);
+ if (MAX_CPUS < 1)
+ {
+ fprintf(stderr, "Could not determine number of CPUs online:\n%s\n",
+ strerror (errno));
+ fprintf(stderr, "Assuming 1024\n");
+ MAX_CPUS = 1024;
+ }
+#else
+ MAX_CPUS = CPU_SETSIZE;
+#endif
+
+ last_seq = malloc( sizeof(unsigned int) * MAX_CPUS );
for (nr = 0; nr < MAX_CPUS; nr++)
last_seq[nr] = -1;
alias = nr = 0;
total_entries = 0;
while ((p = fgets(line, sizeof(line), f)) != NULL) {
- if (sscanf(p, "%3d,%3d %2d %8d %lf", &major, &minor, &cpu, &seq, &this_time) != 5)
+ if (sscanf(p, "%3d,%3d %5d %8d %lf", &major, &minor, &cpu, &seq, &this_time) != 5)
break;
if (this_time < last_time) {