Hi Ohmichi-san, I'm sorry for my late reply. > o Some cleanups > - Cleanup the description for '--message-level' by Akira Imamura. Thank you for applying it. I verified the latest package. Thanks, Akira Imamura > > Hi, > > makedumpfile version 1.1.6 is released. > Please test it. Your opinions/comments are welcome. > > Explanation of makedumpfile: > To shorten the size of the dumpfile and the time of creating the > dumpfile, makedumpfile copies only the necessary pages for analysis > to the dumpfile from /proc/vmcore. You can specify the kind of > unnecessary pages with dump_level. If you want to shorten the size > further, enable the compression of the page data. > > > Changelog: > > Changelog: > o linux-2.6.22 support. > The method for getting the member offset of "page.mapping" is > applied for linux-2.6.22. > Old makedumpfile assumed that there was "mapping" in the first > union in structure "page". But on linux-2.6.22, there is "mapping" > in the second union, because "_mapcount" and structure for slub > are packed in the first union. Then, new makedumpfile gets the > offset by searching "mapping" in each union. > > o Change the check method of free_pages for linux-2.6.21 or later. > On linux-2.6.21 or later, the number of free_pages (vm_stat[0]) > is sometimes different from the one of the pages listed in > "free_area" actually, because the former is flushed asynchronously. > Then, new makedumpfile doesn't check these numbers, and confirms > the free_pages only by checking whether the list "free_area" is > not corrupted. > > o Some cleanups > - Cleanup the description for '--message-level' by Akira Imamura. > - Cleanup the structures DumpInfo and vm_table. > - Cleanup the dwarf method. > - Cleanup page_to_pfn() method. > > > You can download the latest makedumpfile(ver. 1.1.6) from the following > URL. > Details of the change are written on the CVS page of the following site. > https://sourceforge.net/projects/makedumpfile/ > > Method of installation: > You can compile the makedumpfile command as follows; > 1. "tar -zxvf makedumpfile-1.1.6.tar.gz" > 2. "cd makedumpfile" > 3. "make; make install" > > Usage: > makedumpfile [-c] [-E] [-d dump_level] [-x vmlinux] dump_mem dump_file > > Example: > If you want to exclude pages filled by zero, cache pages, user pages > and free pages and to enable compression, please execute the following > command. > > # makedumpfile -c -d 31 -x vmlinux /proc/vmcore dumpfile > > > Thanks > Ken'ichi Ohmichi >
