blktrace: use number of configured cpus instead of online cpus

We want to run on all online processors.  However is there is a hole in the
online cpumask this won't happen.  We need the number of configured processors
instead of online.

Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 2 insertions, 2 deletions

diff --git a/blktrace.c b/blktrace.c
index 89aaaac..63125ab 100644
--- a/blktrace.c
+++ b/blktrace.c
@@ -2656,9 +2656,9 @@ int main(int argc, char *argv[])
 
 	setlocale(LC_NUMERIC, "en_US");
 	pagesize = getpagesize();
-	ncpus = sysconf(_SC_NPROCESSORS_ONLN);
+	ncpus = sysconf(_SC_NPROCESSORS_CONF);
 	if (ncpus < 0) {
-		fprintf(stderr, "sysconf(_SC_NPROCESSORS_ONLN) failed %d/%s\n",
+		fprintf(stderr, "sysconf(_SC_NPROCESSORS_CONF) failed %d/%s\n",
 			errno, strerror(errno));
 		ret = 1;
 		goto out;