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authorRichard Braun <rbraun@sceen.net>2012-09-23 00:25:13 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2012-09-23 00:28:40 +0200
commit9eacb0eab6eb8e35bb26ab3db660973fddf9e8fb (patch)
tree03d50c74d110f2bab3a8fb2ebac9eb7aca0313c4 /vm/vm_user.h
parentf5f6f62357b90e1ce1eb24f2929314b0d84078d0 (diff)
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 <mach/vm_cache_statistics.h>. * 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 <mach/vm_cache_statistics.h>. (vm_cache_statistics): New function. * vm/vm_user.h: Add #include <mach/mach_types.h>. (vm_cache_statistics): New declaration. * include/mach/gnumach.defs: New file.
Diffstat (limited to 'vm/vm_user.h')
-rw-r--r--vm/vm_user.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/vm/vm_user.h b/vm/vm_user.h
index 3f15e5e..c6f20a8 100644
--- a/vm/vm_user.h
+++ b/vm/vm_user.h
@@ -37,6 +37,7 @@
#include <mach/kern_return.h>
#include <mach/std_types.h>
+#include <mach/mach_types.h>
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);