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Message-Id: <1377169317-5959-17-git-send-email-jlee@suse.com>
Date: Thu, 22 Aug 2013 19:01:55 +0800
From: "Lee, Chun-Yi" <joeyli.kernel@...il.com>
To: linux-kernel@...r.kernel.org
Cc: linux-security-module@...r.kernel.org, linux-efi@...r.kernel.org,
linux-pm@...r.kernel.org, linux-crypto@...r.kernel.org,
opensuse-kernel@...nsuse.org, David Howells <dhowells@...hat.com>,
"Rafael J. Wysocki" <rjw@...k.pl>,
Matthew Garrett <mjg59@...f.ucam.org>,
Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
Josh Boyer <jwboyer@...hat.com>,
Vojtech Pavlik <vojtech@...e.cz>,
Matt Fleming <matt.fleming@...el.com>,
James Bottomley <james.bottomley@...senpartnership.com>,
Greg KH <gregkh@...uxfoundation.org>, JKosina@...e.com,
Rusty Russell <rusty@...tcorp.com.au>,
Herbert Xu <herbert@...dor.apana.org.au>,
"David S. Miller" <davem@...emloft.net>,
"H. Peter Anvin" <hpa@...or.com>, Michal Marek <mmarek@...e.cz>,
Gary Lin <GLin@...e.com>, Vivek Goyal <vgoyal@...hat.com>,
"Lee, Chun-Yi" <jlee@...e.com>
Subject: [PATCH 16/18] Hibernate: show the verification time for monitor performance
Show the verification time for monitor the performance of SHA256 and RSA
verification.
Reviewed-by: Jiri Kosina <jkosina@...e.cz>
Signed-off-by: Lee, Chun-Yi <jlee@...e.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
--
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