From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753933Ab3HVLG1 (ORCPT ); Thu, 22 Aug 2013 07:06:27 -0400 Received: from mail-pd0-f172.google.com ([209.85.192.172]:56840 "EHLO mail-pd0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753134Ab3HVLGY (ORCPT ); Thu, 22 Aug 2013 07:06:24 -0400 From: "Lee, Chun-Yi" To: linux-kernel@vger.kernel.org Cc: linux-security-module@vger.kernel.org, linux-efi@vger.kernel.org, linux-pm@vger.kernel.org, linux-crypto@vger.kernel.org, opensuse-kernel@opensuse.org, David Howells , "Rafael J. Wysocki" , Matthew Garrett , Len Brown , Pavel Machek , Josh Boyer , Vojtech Pavlik , Matt Fleming , James Bottomley , Greg KH , JKosina@suse.com, Rusty Russell , Herbert Xu , "David S. Miller" , "H. Peter Anvin" , Michal Marek , Gary Lin , Vivek Goyal , "Lee, Chun-Yi" Subject: [PATCH 16/18] Hibernate: show the verification time for monitor performance Date: Thu, 22 Aug 2013 19:01:55 +0800 Message-Id: <1377169317-5959-17-git-send-email-jlee@suse.com> X-Mailer: git-send-email 1.6.0.2 In-Reply-To: <1377169317-5959-1-git-send-email-jlee@suse.com> References: <1377169317-5959-1-git-send-email-jlee@suse.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Show the verification time for monitor the performance of SHA256 and RSA verification. Reviewed-by: Jiri Kosina Signed-off-by: Lee, Chun-Yi --- kernel/power/snapshot.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index 36c7157..b9c6a8a 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -2536,6 +2536,8 @@ error_mpi: int snapshot_image_verify(void) { + struct timeval start; + struct timeval stop; struct crypto_shash *tfm; struct shash_desc *desc; u8 *digest; @@ -2563,6 +2565,8 @@ int snapshot_image_verify(void) desc->tfm = tfm; desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP; + do_gettimeofday(&start); + ret = crypto_shash_init(desc); if (ret < 0) goto error_shash; @@ -2581,6 +2585,9 @@ int snapshot_image_verify(void) if (ret) goto error_verify; + do_gettimeofday(&stop); + swsusp_show_speed(&start, &stop, nr_copy_pages, "Verified"); + kfree(h_buf); kfree(digest); crypto_free_shash(tfm); -- 1.6.4.2