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 8a166e1..804feb6 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -2529,6 +2529,8 @@ static void snapshot_fill_sig_forward_info(int sig_check_ret)
int snapshot_image_verify(void)
{
+ struct timeval start;
+ struct timeval stop;
struct crypto_shash *tfm = NULL
struct shash_desc *desc;
u8 *digest = NULL;
@@ -2560,6 +2562,8 @@ 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;
@@ -2580,6 +2584,9 @@ int snapshot_image_verify(void)
else
pr_info("PM: snapshot signature check SUCCESS!\n");
+ do_gettimeofday(&stop);
+ swsusp_show_speed(&start, &stop, nr_copy_pages, "Verified");
+
forward_ret:
/* forward check result when pass or not enforce verify success */
if (!ret || !sig_enforced()) {
--
1.6.0.2
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