Re: [PATCH]: In kernel hibernation, suspend to both

From: Bojan Smojver
Date: Mon Jun 18 2012 - 22:09:58 EST


On Mon, 2012-06-18 at 23:28 +0200, Rafael J. Wysocki wrote:
> I think I'd prefer a full status line every 10%. Or even maybe every
> 20%.

Here is one that does a line every 10%:
----------------
kernel/power/swap.c | 51 ++++++++++++++++++++++++---------------------------
1 file changed, 24 insertions(+), 27 deletions(-)

diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 11e22c0..314fd75 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -448,9 +448,9 @@ static int save_image(struct swap_map_handle *handle,
struct timeval start;
struct timeval stop;

- printk(KERN_INFO "PM: Saving image data pages (%u pages) ... ",
+ printk(KERN_INFO "PM: Saving image data pages (%u pages)...\n",
nr_to_write);
- m = nr_to_write / 100;
+ m = nr_to_write / 10;
if (!m)
m = 1;
nr_pages = 0;
@@ -464,7 +464,8 @@ static int save_image(struct swap_map_handle *handle,
if (ret)
break;
if (!(nr_pages % m))
- printk(KERN_CONT "\b\b\b\b%3d%%", nr_pages / m);
+ printk(KERN_INFO "PM: Saved %3d%%...\n",
+ nr_pages / m * 10);
nr_pages++;
}
err2 = hib_wait_on_bio_chain(&bio);
@@ -472,9 +473,7 @@ static int save_image(struct swap_map_handle *handle,
if (!ret)
ret = err2;
if (!ret)
- printk(KERN_CONT "\b\b\b\bdone\n");
- else
- printk(KERN_CONT "\n");
+ printk(KERN_INFO "PM: Saving image done.\n");
swsusp_show_speed(&start, &stop, nr_to_write, "Wrote");
return ret;
}
@@ -668,9 +667,9 @@ static int save_image_lzo(struct swap_map_handle *handle,

printk(KERN_INFO
"PM: Using %u thread(s) for compression.\n"
- "PM: Compressing and saving image data (%u pages) ... ",
+ "PM: Compressing and saving image data (%u pages)...\n",
nr_threads, nr_to_write);
- m = nr_to_write / 100;
+ m = nr_to_write / 10;
if (!m)
m = 1;
nr_pages = 0;
@@ -690,8 +689,8 @@ static int save_image_lzo(struct swap_map_handle *handle,
data_of(*snapshot), PAGE_SIZE);

if (!(nr_pages % m))
- printk(KERN_CONT "\b\b\b\b%3d%%",
- nr_pages / m);
+ printk(KERN_INFO "PM: Saved %3d%%...\n",
+ nr_pages / m * 10);
nr_pages++;
}
if (!off)
@@ -761,11 +760,8 @@ out_finish:
do_gettimeofday(&stop);
if (!ret)
ret = err2;
- if (!ret) {
- printk(KERN_CONT "\b\b\b\bdone\n");
- } else {
- printk(KERN_CONT "\n");
- }
+ if (!ret)
+ printk(KERN_INFO "PM: Saving image done.\n");
swsusp_show_speed(&start, &stop, nr_to_write, "Wrote");
out_clean:
if (crc) {
@@ -973,9 +969,9 @@ static int load_image(struct swap_map_handle *handle,
int err2;
unsigned nr_pages;

- printk(KERN_INFO "PM: Loading image data pages (%u pages) ... ",
+ printk(KERN_INFO "PM: Loading image data pages (%u pages)...\n",
nr_to_read);
- m = nr_to_read / 100;
+ m = nr_to_read / 10;
if (!m)
m = 1;
nr_pages = 0;
@@ -993,7 +989,8 @@ static int load_image(struct swap_map_handle *handle,
if (ret)
break;
if (!(nr_pages % m))
- printk("\b\b\b\b%3d%%", nr_pages / m);
+ printk(KERN_INFO "PM: Loaded %3d%%...\n",
+ nr_pages / m * 10);
nr_pages++;
}
err2 = hib_wait_on_bio_chain(&bio);
@@ -1001,12 +998,11 @@ static int load_image(struct swap_map_handle *handle,
if (!ret)
ret = err2;
if (!ret) {
- printk("\b\b\b\bdone\n");
+ printk(KERN_INFO "PM: Loading image done.\n");
snapshot_write_finalize(snapshot);
if (!snapshot_image_loaded(snapshot))
ret = -ENODATA;
- } else
- printk("\n");
+ }
swsusp_show_speed(&start, &stop, nr_to_read, "Read");
return ret;
}
@@ -1185,9 +1181,9 @@ static int load_image_lzo(struct swap_map_handle *handle,

printk(KERN_INFO
"PM: Using %u thread(s) for decompression.\n"
- "PM: Loading and decompressing image data (%u pages) ... ",
+ "PM: Loading and decompressing image data (%u pages)...\n",
nr_threads, nr_to_read);
- m = nr_to_read / 100;
+ m = nr_to_read / 10;
if (!m)
m = 1;
nr_pages = 0;
@@ -1319,7 +1315,9 @@ static int load_image_lzo(struct swap_map_handle *handle,
data[thr].unc + off, PAGE_SIZE);

if (!(nr_pages % m))
- printk("\b\b\b\b%3d%%", nr_pages / m);
+ printk(KERN_INFO
+ "PM: Loaded %3d%%...\n",
+ nr_pages / m * 10);
nr_pages++;

ret = snapshot_write_next(snapshot);
@@ -1344,7 +1342,7 @@ out_finish:
}
do_gettimeofday(&stop);
if (!ret) {
- printk("\b\b\b\bdone\n");
+ printk(KERN_INFO "PM: Loading image done.\n");
snapshot_write_finalize(snapshot);
if (!snapshot_image_loaded(snapshot))
ret = -ENODATA;
@@ -1357,8 +1355,7 @@ out_finish:
}
}
}
- } else
- printk("\n");
+ }
swsusp_show_speed(&start, &stop, nr_to_read, "Read");
out_clean:
for (i = 0; i < ring_size; i++)
----------------

--
Bojan

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/