From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42932) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YB1qo-00028v-LN for qemu-devel@nongnu.org; Tue, 13 Jan 2015 08:49:48 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YB1qi-0006N0-CY for qemu-devel@nongnu.org; Tue, 13 Jan 2015 08:49:42 -0500 Received: from mx1.redhat.com ([209.132.183.28]:48949) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YB1qi-0006Mt-5g for qemu-devel@nongnu.org; Tue, 13 Jan 2015 08:49:36 -0500 From: Stefan Hajnoczi Date: Tue, 13 Jan 2015 13:48:05 +0000 Message-Id: <1421156896-11599-28-git-send-email-stefanha@redhat.com> In-Reply-To: <1421156896-11599-1-git-send-email-stefanha@redhat.com> References: <1421156896-11599-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PULL v3 27/38] test-coroutine: avoid overflow on 32-bit systems List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Maydell , Stefan Hajnoczi , Paolo Bonzini From: Paolo Bonzini unsigned long is not large enough to represent 1000000000 * duration there. Just use floating point. Signed-off-by: Paolo Bonzini Reviewed-by: Fam Zheng Message-id: 1417518350-6167-4-git-send-email-pbonzini@redhat.com Signed-off-by: Stefan Hajnoczi --- tests/test-coroutine.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/test-coroutine.c b/tests/test-coroutine.c index e22fae1..27d1b6f 100644 --- a/tests/test-coroutine.c +++ b/tests/test-coroutine.c @@ -337,7 +337,7 @@ static void perf_cost(void) "%luns per coroutine", maxcycles, duration, ops, - (unsigned long)(1000000000 * duration) / maxcycles); + (unsigned long)(1000000000.0 * duration / maxcycles)); } int main(int argc, char **argv) -- 2.1.0