diff options
| -rw-r--r-- | verify_blkparse.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/verify_blkparse.c b/verify_blkparse.c index aae8d7c..5689f43 100644 --- a/verify_blkparse.c +++ b/verify_blkparse.c @@ -3,18 +3,33 @@ #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, nr, alias; + long MAX_CPUS; unsigned long long total_entries; - unsigned int last_seq[MAX_CPUS], seq; + unsigned int *last_seq; + unsigned int seq; FILE *f; +#ifdef _SC_NPROCESSORS_CONF + MAX_CPUS = sysconf(_SC_NPROCESSORS_CONF); + 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; @@ -33,7 +48,7 @@ int main(int argc, char *argv[]) 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) { |