On Tue, Apr 03, 2007 at 09:43:30PM -0500, Matt Mackall wrote: > This patch series introduces /proc/pid/pagemap and /proc/kpagemap, > which allow detailed run-time examination of process memory usage at a > page granularity. > The first several patches whip the page-walking code introduced for > /proc/pid/smaps and clear_refs into a more generic form, the next > couple make those interfaces optional, and the last two introduce the > new interfaces, also optional.
This solves a real-life problem for Oracle system monitoring software (specifically EM). Among the tasks it must carry out is determining per-process memory footprint of a set of cooperating tasks (i.e. Oracle processes). RSS is inadequate for this due to page sharing; this work provides sufficient information to determine what EM needs. -- wli - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
