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From: "Lee, Chun-Yi" <joeyli.kernel@gmail.com>
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 <dhowells@redhat.com>,
	"Rafael J. Wysocki" <rjw@sisk.pl>,
	Matthew Garrett <mjg59@srcf.ucam.org>,
	Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
	Josh Boyer <jwboyer@redhat.com>, Vojtech Pavlik <vojtech@suse.cz>,
	Matt Fleming <matt.fleming@intel.com>,
	James Bottomley <james.bottomley@hansenpartnership.com>,
	Greg KH <gregkh@linuxfoundation.org>,
	JKosina@suse.com, Rusty Russell <rusty@rustcorp.com.au>,
	Herbert Xu <herbert@gondor.hengli.com.au>,
	"David S. Miller" <davem@davemloft.net>,
	"H. Peter Anvin" <hpa@zytor.com>, Michal Marek <mmarek@suse.cz>,
	Gary Lin <GLin@suse.com>, Vivek Goyal <vgoyal@redhat.com>,
	"Lee, Chun-Yi" <jlee@suse.com>
Subject: [PATCH 16/18] Hibernate: show the verification time for monitor performance
Date: Thu, 22 Aug 2013 19:01:55 +0800	[thread overview]
Message-ID: <1377169317-5959-17-git-send-email-jlee@suse.com> (raw)
In-Reply-To: <1377169317-5959-1-git-send-email-jlee@suse.com>

Show the verification time for monitor the performance of SHA256 and RSA
verification.

Reviewed-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
---
 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


  parent reply	other threads:[~2013-08-22 11:06 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-22 11:01 [RFC PATCH 00/18 v3] Signature verification of hibernate snapshot Lee, Chun-Yi
2013-08-22 11:01 ` [PATCH 01/18] asymmetric keys: add interface and skeleton for implement signature generation Lee, Chun-Yi
2013-08-22 11:01 ` [PATCH 02/18] asymmetric keys: implement EMSA_PKCS1-v1_5-ENCODE in rsa Lee, Chun-Yi
2013-08-25 15:53   ` Pavel Machek
2013-08-26 10:17     ` joeyli
2013-08-22 11:01 ` [PATCH 03/18] asymmetric keys: separate the length checking of octet string from RSA_I2OSP Lee, Chun-Yi
2013-08-25 16:01   ` Pavel Machek
2013-08-26 10:25     ` joeyli
2013-08-26 11:27       ` Pavel Machek
2013-08-27  8:36         ` Jiri Kosina
2013-08-22 11:01 ` [PATCH 04/18] asymmetric keys: implement OS2IP in rsa Lee, Chun-Yi
2013-08-22 11:01 ` [PATCH 05/18] asymmetric keys: implement RSASP1 Lee, Chun-Yi
2013-08-22 11:01 ` [PATCH 06/18] asymmetric keys: support parsing PKCS #8 private key information Lee, Chun-Yi
2013-08-25 16:10   ` Pavel Machek
2013-08-22 11:01 ` [PATCH 07/18] asymmetric keys: explicitly add the leading zero byte to encoded message Lee, Chun-Yi
2013-08-25 16:13   ` Pavel Machek
2013-08-22 11:01 ` [PATCH 08/18] Secure boot: Add new capability Lee, Chun-Yi
2013-08-25 16:14   ` Pavel Machek
2013-08-22 11:01 ` [PATCH 09/18] Secure boot: Add a dummy kernel parameter that will switch on Secure Boot mode Lee, Chun-Yi
2013-08-25 16:16   ` Pavel Machek
2013-08-22 11:01 ` [PATCH 10/18] efi: Enable secure boot lockdown automatically when enabled in firmware Lee, Chun-Yi
2013-08-25 16:22   ` Pavel Machek
2013-08-25 16:26     ` Matthew Garrett
2013-09-03 10:49   ` Matt Fleming
2013-08-22 11:01 ` [PATCH 11/18] Hibernate: introduced RSA key-pair to verify signature of snapshot Lee, Chun-Yi
2013-08-25 16:25   ` Pavel Machek
2013-08-27  9:04     ` joeyli
2013-08-27 11:29       ` Pavel Machek
2013-08-27 12:01         ` Manfred Hollstein
2013-08-27 14:17           ` Pavel Machek
2013-08-27 13:12         ` joeyli
2013-09-05  8:53   ` Matt Fleming
2013-09-05 10:13     ` joeyli
2013-09-05 10:31       ` Matt Fleming
2013-09-05 13:28         ` joeyli
2013-08-22 11:01 ` [PATCH 12/18] Hibernate: generate and " Lee, Chun-Yi
2013-08-25 16:36   ` Pavel Machek
2013-08-27  3:22     ` joeyli
2013-08-22 11:01 ` [PATCH 13/18] Hibernate: Avoid S4 sign key data included in snapshot image Lee, Chun-Yi
2013-08-25 16:39   ` Pavel Machek
2013-08-27  8:33     ` joeyli
2013-08-22 11:01 ` [PATCH 14/18] Hibernate: applied SNAPSHOT_VERIFICATION config to switch signature check Lee, Chun-Yi
2013-08-22 11:01 ` [PATCH 15/18] Hibernate: adapt to UEFI secure boot with " Lee, Chun-Yi
2013-08-25 16:42   ` Pavel Machek
2013-08-27 10:14     ` joeyli
2013-08-22 11:01 ` Lee, Chun-Yi [this message]
2013-08-22 11:01 ` [PATCH 17/18] Hibernate: introduced SNAPSHOT_SIG_HASH config for select hash algorithm Lee, Chun-Yi
2013-08-25 16:43   ` Pavel Machek
2013-08-27 10:22     ` joeyli
2013-08-27 11:30       ` Pavel Machek
2013-08-27 12:54         ` joeyli
2013-08-22 11:01 ` [PATCH 18/18] Hibernate: notify bootloader regenerate key-pair for snapshot verification Lee, Chun-Yi
2013-08-28 21:01 ` [RFC PATCH 00/18 v3] Signature verification of hibernate snapshot Florian Weimer
2013-08-29  0:01   ` joeyli
2013-08-29 21:32     ` Pavel Machek
2013-08-29 22:30       ` joeyli
2013-09-01 10:41     ` Florian Weimer
2013-09-01 16:04       ` Matthew Garrett
2013-09-01 16:40         ` Florian Weimer
2013-09-01 16:46           ` Matthew Garrett
2013-09-02  2:12           ` joeyli

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