From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7AD3AEB64D9 for ; Mon, 19 Jun 2023 10:30:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231335AbjFSKac (ORCPT ); Mon, 19 Jun 2023 06:30:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38698 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230509AbjFSKaY (ORCPT ); Mon, 19 Jun 2023 06:30:24 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8ED6EE9 for ; Mon, 19 Jun 2023 03:30:23 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0D47960B68 for ; Mon, 19 Jun 2023 10:30:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1B30FC433C0; Mon, 19 Jun 2023 10:30:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1687170622; bh=Z4Uac4RHKEB4bOwR383zVuwH0+vTf3TcsLC89UGSHnw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tnGs6mma06D3xH2dcpsGAfhMNFUkYLxtXu5kARQu/fwAcF4poZE6GXOASArfUinLb P90OuEy5khC1kkOonNMWjPYy513KhLu9ZASenJ72DxMAAYmqs3lfQ3wFV75qBQR1ht OlOOM/vvC7E5jgNjaOLXIw0kJfrZAWoXwU6ywpnE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alex Maftei , Richard Cochran , Jakub Kicinski , Sasha Levin Subject: [PATCH 4.14 28/32] selftests/ptp: Fix timestamp printf format for PTP_SYS_OFFSET Date: Mon, 19 Jun 2023 12:29:16 +0200 Message-ID: <20230619102129.026143701@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230619102127.461443957@linuxfoundation.org> References: <20230619102127.461443957@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Alex Maftei [ Upstream commit 76a4c8b82938bc5020b67663db41f451684bf327 ] Previously, timestamps were printed using "%lld.%u" which is incorrect for nanosecond values lower than 100,000,000 as they're fractional digits, therefore leading zeros are meaningful. This patch changes the format strings to "%lld.%09u" in order to add leading zeros to the nanosecond value. Fixes: 568ebc5985f5 ("ptp: add the PTP_SYS_OFFSET ioctl to the testptp program") Fixes: 4ec54f95736f ("ptp: Fix compiler warnings in the testptp utility") Fixes: 6ab0e475f1f3 ("Documentation: fix misc. warnings") Signed-off-by: Alex Maftei Acked-by: Richard Cochran Link: https://lore.kernel.org/r/20230615083404.57112-1-alex.maftei@amd.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- tools/testing/selftests/ptp/testptp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/ptp/testptp.c b/tools/testing/selftests/ptp/testptp.c index 5d2eae16f7ee5..f8b5e183e0063 100644 --- a/tools/testing/selftests/ptp/testptp.c +++ b/tools/testing/selftests/ptp/testptp.c @@ -504,11 +504,11 @@ int main(int argc, char *argv[]) interval = t2 - t1; offset = (t2 + t1) / 2 - tp; - printf("system time: %lld.%u\n", + printf("system time: %lld.%09u\n", (pct+2*i)->sec, (pct+2*i)->nsec); - printf("phc time: %lld.%u\n", + printf("phc time: %lld.%09u\n", (pct+2*i+1)->sec, (pct+2*i+1)->nsec); - printf("system time: %lld.%u\n", + printf("system time: %lld.%09u\n", (pct+2*i+2)->sec, (pct+2*i+2)->nsec); printf("system/phc clock time offset is %" PRId64 " ns\n" "system clock time delay is %" PRId64 " ns\n", -- 2.39.2