diff options
| -rw-r--r-- | btreplay/btreplay.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/btreplay/btreplay.c b/btreplay/btreplay.c index 20494e0..6f0ba63 100644 --- a/btreplay/btreplay.c +++ b/btreplay/btreplay.c @@ -502,6 +502,7 @@ static inline void start_iter(void) */ static void get_ncpus(void) { + long last_cpu; cpu_set_t cpus; if (sched_getaffinity(getpid(), sizeof(cpus), &cpus)) { @@ -509,12 +510,11 @@ static void get_ncpus(void) /*NOTREACHED*/ } - /* - * XXX This assumes (perhaps wrongly) that there are no /holes/ - * XXX in the mask. - */ - for (ncpus = 0; ncpus < CPU_SETSIZE && CPU_ISSET(ncpus, &cpus); ncpus++) - ; + ncpus = -1; + for (last_cpu = 0; last_cpu < CPU_SETSIZE && CPU_ISSET(last_cpu, &cpus); last_cpu++) + if (CPU_ISSET( last_cpu, &cpus) ) + ncpus = last_cpu; + ncpus++; if (ncpus == 0) { fatal(NULL, ERR_SYSCALL, "Insufficient number of CPUs\n"); /*NOTREACHED*/ |