From: Atsushi Kumagai <kumagai-atsushi@xxxxxxxxxxxxxxxxx> Subject: [RFC PATCH 2/4] makedumpfile: Add partial bitmap for cyclic. Date: Thu, 31 May 2012 14:01:03 +0900 > /* > + * For cyclic > + */ > +#define BUFSIZE_CYCLIC (8192) > +#define PFN_CYCLIC (BUFSIZE_CYCLIC * BITPERBYTE) > + > + > +/* > * Minimam vmcore has 2 ProgramHeaderTables(PT_NOTE and PT_LOAD). How did you choose this buffer size? Best performance? I think the performacne varies according to this buffer size, and to evaluate it, it's useful to be able to specify the size through command-line. Thanks. HATAYAMA, Daisuke
