diff options
| author | Richard Braun <rbraun@sceen.net> | 2012-09-23 00:25:13 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-09-23 00:28:40 +0200 |
| commit | 9eacb0eab6eb8e35bb26ab3db660973fddf9e8fb (patch) | |
| tree | 03d50c74d110f2bab3a8fb2ebac9eb7aca0313c4 /include | |
| parent | f5f6f62357b90e1ce1eb24f2929314b0d84078d0 (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 'include')
| -rw-r--r-- | include/mach/gnumach.defs | 39 | ||||
| -rw-r--r-- | include/mach/mach_types.h | 1 |
2 files changed, 40 insertions, 0 deletions
diff --git a/include/mach/gnumach.defs b/include/mach/gnumach.defs new file mode 100644 index 00000000..73313343 --- /dev/null +++ b/include/mach/gnumach.defs @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2012 Free Software Foundation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +subsystem +#if KERNEL_SERVER + KernelServer +#endif /* KERNEL_SERVER */ +#if KERNEL_USER + KernelUser +#endif /* KERNEL_USER */ + gnumach 4200; + +#include <mach/std_types.defs> +#include <mach/mach_types.defs> + +type vm_cache_statistics_data_t = struct[11] of integer_t; + +/* + * Return page cache statistics for the host on which the target task + * resides. + */ +routine vm_cache_statistics( + target_task : vm_task_t; + out vm_cache_stats : vm_cache_statistics_data_t); diff --git a/include/mach/mach_types.h b/include/mach/mach_types.h index f6ceac3b..87684824 100644 --- a/include/mach/mach_types.h +++ b/include/mach/mach_types.h @@ -52,6 +52,7 @@ #include <mach/vm_inherit.h> #include <mach/vm_prot.h> #include <mach/vm_statistics.h> +#include <mach/vm_cache_statistics.h> #ifdef MACH_KERNEL #include <kern/task.h> /* for task_array_t */ |