Hi Bernhard,

Thank you for your patch.
I like this idea :-)

I am busy now, and I will consider the patch well the next week.


Thanks
Ken'ichi Ohmichi

Bernhard Walle wrote:
> On large nodes, bitmap creation takes a serious amount of time. But the
> progress indicator only starts after the bitmaps has been created, showing
> only the progress of the copy process.
> 
> This patch adds a "message" parameter to the print_progress() function.
> That message is displayed first and gets overwritten by next message.
> So, the user sees
> 
>     Excluding zero pages : [  0 %]
>     Excluding zero pages : [... %]
>     Excluding zero pages : [100 %]
>     Copying data         : [  0 %]
>     Copying data         : [... %]
>     Copying data         : [100 %]
> 
> in sequence. IMO that's the fastest option to implement such a progress.
> 
> 
> Signed-off-by: Bernhard Walle <[EMAIL PROTECTED]>
> 
> ---
>  makedumpfile.c |   30 +++++++++++++++++++++++-------
>  1 file changed, 23 insertions(+), 7 deletions(-)
> 
> --- a/makedumpfile.c
> +++ b/makedumpfile.c
> @@ -32,6 +32,17 @@ int message_level;
>  /*
>   * Forward declarations
>   */
> +void print_progress(const char               *msg,
> +                 unsigned long       current,
> +                 unsigned long       end);
> +
> +/*
> + * Message texts
> + */
> +#define PROGRESS_COPY        "Copying data"
> +#define PROGRESS_UNN_PAGES   "Excluding unnecessary pages"
> +#define PROGRESS_ZERO_PAGES  "Excluding zero pages"
> +#define PROGRESS_MAXLEN              "35"
>  
>  /*
>   * The numbers of the excluded pages
> @@ -4062,6 +4073,9 @@ exclude_zero_pages()
>       }
>       for (pfn = paddr = 0; pfn < info->max_mapnr;
>           pfn++, paddr += info->page_size) {
> +
> +             print_progress(PROGRESS_ZERO_PAGES, pfn, info->max_mapnr);
> +
>               if (!is_in_segs(paddr))
>                       continue;
>  
> @@ -4100,6 +4114,8 @@ exclude_unnecessary_pages()
>               goto out;
>       }
>       for (mm = 0; mm < info->num_mem_map; mm++) {
> +             print_progress(PROGRESS_UNN_PAGES, mm, info->num_mem_map);
> +
>               mmd = &info->mem_map_data[mm];
>               pfn   = mmd->pfn_start;
>               paddr = pfn*info->page_size;
> @@ -4670,7 +4686,7 @@ write_kdump_header()
>  }
>  
>  void
> -print_progress(unsigned long current, unsigned long end)
> +print_progress(const char *msg, unsigned long current, unsigned long end)
>  {
>       int progress;
>       time_t tm;
> @@ -4686,7 +4702,7 @@ print_progress(unsigned long current, un
>               progress = 100;
>  
>       PROGRESS_MSG("\r");
> -     PROGRESS_MSG("[%3d %%]", progress);
> +     PROGRESS_MSG("%-" PROGRESS_MAXLEN "s: [%3d %%] ", msg, progress);
>  }
>  
>  int
> @@ -4912,7 +4928,7 @@ write_elf_pages()
>  
>                       while (bufsz_remain > 0) {
>                               if ((num_dumped % per) == 0)
> -                                     print_progress(num_dumped, 
> num_dumpable);
> +                                     print_progress(PROGRESS_COPY, 
> num_dumped, num_dumpable);
>  
>                               if (bufsz_remain >= page_size)
>                                       bufsz_write = page_size;
> @@ -5009,7 +5025,7 @@ write_elf_pages()
>  
>               while (bufsz_remain > 0) {
>                       if ((num_dumped % per) == 0)
> -                             print_progress(num_dumped, num_dumpable);
> +                             print_progress(PROGRESS_COPY, num_dumped, 
> num_dumpable);
>  
>                       if (bufsz_remain >= page_size)
>                               bufsz_write = page_size;
> @@ -5038,7 +5054,7 @@ write_elf_pages()
>       if (!write_cache_bufsz(&cd_seg))
>               goto out;
>  
> -     print_progress(num_dumpable, num_dumpable);
> +     print_progress(PROGRESS_COPY, num_dumpable, num_dumpable);
>       PROGRESS_MSG("\n");
>  
>       ret = TRUE;
> @@ -5247,7 +5263,7 @@ write_kdump_pages()
>       for (pfn = 0; pfn < info->max_mapnr; pfn++) {
>  
>               if ((num_dumped % per) == 0)
> -                     print_progress(num_dumped, num_dumpable);
> +                     print_progress(PROGRESS_COPY, num_dumped, num_dumpable);
>  
>               if ((pfn % PFN_BUFBITMAP) == 0) {
>                       if (info->len_bitmap - bm2.offset < BUFSIZE_BITMAP)
> @@ -5325,7 +5341,7 @@ write_kdump_pages()
>       /*
>        * Print the progress of the end.
>        */
> -     print_progress(num_dumpable, num_dumpable);
> +     print_progress(PROGRESS_COPY, num_dumpable, num_dumpable);
>       PROGRESS_MSG("\n");
>  
>       ret = TRUE;
> 


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