From 8c002494b55119a3fd1dddee83b4fb75cfda47e5 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Mon, 25 Sep 2006 23:32:43 -0700 Subject: [PATCH] swsusp: add read-speed instrumentation Add some instrumentation to the swsusp readin code to show what bandwidth we're achieving. Cc: Pavel Machek Cc: "Rafael J. Wysocki" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/power/swap.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/kernel/power/swap.c b/kernel/power/swap.c index 2dc883d361d52..9ab9895721647 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -522,12 +522,15 @@ static int load_image(struct swap_map_handle *handle, unsigned int m; int ret; int error = 0; + struct timeval start; + struct timeval stop; printk("Loading image data pages (%u pages) ... ", nr_pages); m = nr_pages / 100; if (!m) m = 1; nr_pages = 0; + do_gettimeofday(&start); do { ret = snapshot_write_next(snapshot, PAGE_SIZE); if (ret > 0) { @@ -539,11 +542,13 @@ static int load_image(struct swap_map_handle *handle, nr_pages++; } } while (ret > 0); + do_gettimeofday(&stop); if (!error) { printk("\b\b\b\bdone\n"); if (!snapshot_image_loaded(snapshot)) error = -ENODATA; } + show_speed(&start, &stop, nr_pages, "Read"); return error; } -- cgit 1.2.3-korg