From 9eacb0eab6eb8e35bb26ab3db660973fddf9e8fb Mon Sep 17 00:00:00 2001 From: Richard Braun Date: Sun, 23 Sep 2012 00:25:13 +0200 Subject: Provide basic page cache statistics * Makefrag.am (EXTRA_DIST): Add kern/gnumach.srv. (include_mach_HEADERS): Add include/mach/gnumach.defs and include/mach/vm_cache_statistics.h (nodist_libkernel_a_SOURCES): Add kern/gnumach.server.defs.c, kern/gnumach.server.h, kern/gnumach.server.c, kern/gnumach.server.msgids, kern/gnumach.server.defs. * include/mach/mach_types.h: Add #include . * kern/ipc_kobject.c (ipc_kobject_server): Declare and call gnumach_server_routine. * vm/vm_object.c (vm_object_cached_pages): New variable. (vm_object_cached_pages_lock_data): Likewise. (vm_object_deallocate): Update number of cached pages. (vm_object_lookup): Likewise. (vm_object_lookup_name): Likewise. (vm_object_destroy): Likewise. (vm_object_enter): Likewise. * vm/vm_object.h (ref_count): Declare as int. (resident_page_count): Likewise. (vm_object_cached_count): Add extern declaration. (vm_object_cached_pages): Likewise. (vm_object_cached_pages_lock_data): Likewise. (vm_object_cached_pages_update): New macro. * vm/vm_resident.c (vm_page_insert): Assert resident page count doesn't overflow, update number of cached pages as appropriate. (vm_page_replace): Likewise. (vm_page_remove): Update number of cached pages as appropriate. * vm/vm_user.c: Add #include . (vm_cache_statistics): New function. * vm/vm_user.h: Add #include . (vm_cache_statistics): New declaration. * include/mach/gnumach.defs: New file. --- vm/vm_user.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'vm/vm_user.h') diff --git a/vm/vm_user.h b/vm/vm_user.h index 3f15e5ed..c6f20a82 100644 --- a/vm/vm_user.h +++ b/vm/vm_user.h @@ -37,6 +37,7 @@ #include #include +#include extern kern_return_t vm_allocate(vm_map_t, vm_offset_t *, vm_size_t, boolean_t); @@ -46,6 +47,7 @@ extern kern_return_t vm_inherit(vm_map_t, vm_offset_t, vm_size_t, extern kern_return_t vm_protect(vm_map_t, vm_offset_t, vm_size_t, boolean_t, vm_prot_t); extern kern_return_t vm_statistics(vm_map_t, vm_statistics_data_t *); +extern kern_return_t vm_cache_statistics(vm_map_t, vm_cache_statistics_data_t *); extern kern_return_t vm_read(vm_map_t, vm_address_t, vm_size_t, pointer_t *, vm_size_t *); extern kern_return_t vm_write(vm_map_t, vm_address_t, pointer_t, vm_size_t); -- cgit v1.2.3