diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-12-09 08:24:25 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-09 08:24:57 +0100 |
| commit | 4c68db38c85188824b21698842b42a62b4f78657 (patch) | |
| tree | 3ee1c3b22af6713adf669a3bb452ce82bc7fe495 /kernel/power/hibernate.c | |
| parent | 5c0e9f28da84c68ce0ae68b7a75faaf862e156e2 (diff) | |
| parent | 2b876f95d03e226394b5d360c86127cbefaf614b (diff) | |
Merge branch 'linus' into x86/urgent
Merge reason: We want to queue up a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/power/hibernate.c')
| -rw-r--r-- | kernel/power/hibernate.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 04a9e90d248..bbfe472d752 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -32,6 +32,7 @@ static int noresume = 0; static char resume_file[256] = CONFIG_PM_STD_PARTITION; dev_t swsusp_resume_device; sector_t swsusp_resume_block; +int in_suspend __nosavedata = 0; enum { HIBERNATION_INVALID, @@ -202,6 +203,35 @@ static void platform_recover(int platform_mode) } /** + * swsusp_show_speed - print the time elapsed between two events. + * @start: Starting event. + * @stop: Final event. + * @nr_pages - number of pages processed between @start and @stop + * @msg - introductory message to print + */ + +void swsusp_show_speed(struct timeval *start, struct timeval *stop, + unsigned nr_pages, char *msg) +{ + s64 elapsed_centisecs64; + int centisecs; + int k; + int kps; + + elapsed_centisecs64 = timeval_to_ns(stop) - timeval_to_ns(start); + do_div(elapsed_centisecs64, NSEC_PER_SEC / 100); + centisecs = elapsed_centisecs64; + if (centisecs == 0) + centisecs = 1; /* avoid div-by-zero */ + k = nr_pages * (PAGE_SIZE / 1024); + kps = (k * 100) / centisecs; + printk(KERN_INFO "PM: %s %d kbytes in %d.%02d seconds (%d.%02d MB/s)\n", + msg, k, + centisecs / 100, centisecs % 100, + kps / 1000, (kps % 1000) / 10); +} + +/** * create_image - freeze devices that need to be frozen with interrupts * off, create the hibernation image and thaw those devices. Control * reappears in this routine after a restore. |