diff options
| author | grehan <grehan@FreeBSD.org> | 2004-02-11 04:42:48 +0000 |
|---|---|---|
| committer | grehan <grehan@FreeBSD.org> | 2004-02-11 04:42:48 +0000 |
| commit | 54f5cf33fcbe413600625d19bc10a293403c16de (patch) | |
| tree | a9a2c5a2dd71a674ff358d8e8a6409ab408298f5 /sys/powerpc | |
| parent | 9ce9891eda27e795842235191242d30adbed875f (diff) | |
| download | FreeBSD-src-54f5cf33fcbe413600625d19bc10a293403c16de.zip FreeBSD-src-54f5cf33fcbe413600625d19bc10a293403c16de.tar.gz | |
Add sysctl hw.uma_mdpages to track how many pages have been allocated
by UMA_MD_SMALL_ALLOC
Diffstat (limited to 'sys/powerpc')
| -rw-r--r-- | sys/powerpc/aim/uma_machdep.c | 9 | ||||
| -rw-r--r-- | sys/powerpc/powerpc/uma_machdep.c | 9 |
2 files changed, 18 insertions, 0 deletions
diff --git a/sys/powerpc/aim/uma_machdep.c b/sys/powerpc/aim/uma_machdep.c index 4d58af8..b471957 100644 --- a/sys/powerpc/aim/uma_machdep.c +++ b/sys/powerpc/aim/uma_machdep.c @@ -28,9 +28,11 @@ __FBSDID("$FreeBSD$"); #include <sys/param.h> +#include <sys/kernel.h> #include <sys/lock.h> #include <sys/mutex.h> #include <sys/systm.h> +#include <sys/sysctl.h> #include <vm/vm.h> #include <vm/vm_page.h> #include <vm/vm_pageout.h> @@ -38,6 +40,10 @@ __FBSDID("$FreeBSD$"); #include <vm/uma_int.h> #include <machine/vmparam.h> +static int hw_uma_mdpages; +SYSCTL_INT(_hw, OID_AUTO, uma_mdpages, CTLFLAG_RD, &hw_uma_mdpages, 0, + "UMA MD pages in use"); + void * uma_small_alloc(uma_zone_t zone, int bytes, u_int8_t *flags, int wait) { @@ -67,6 +73,8 @@ uma_small_alloc(uma_zone_t zone, int bytes, u_int8_t *flags, int wait) va = (void *) VM_PAGE_TO_PHYS(m); if ((wait & M_ZERO) && (m->flags & PG_ZERO) == 0) bzero(va, PAGE_SIZE); + atomic_add_int(&hw_uma_mdpages, 1); + return (va); } @@ -79,4 +87,5 @@ uma_small_free(void *mem, int size, u_int8_t flags) vm_page_lock_queues(); vm_page_free(m); vm_page_unlock_queues(); + atomic_subtract_int(&hw_uma_mdpages, 1); } diff --git a/sys/powerpc/powerpc/uma_machdep.c b/sys/powerpc/powerpc/uma_machdep.c index 4d58af8..b471957 100644 --- a/sys/powerpc/powerpc/uma_machdep.c +++ b/sys/powerpc/powerpc/uma_machdep.c @@ -28,9 +28,11 @@ __FBSDID("$FreeBSD$"); #include <sys/param.h> +#include <sys/kernel.h> #include <sys/lock.h> #include <sys/mutex.h> #include <sys/systm.h> +#include <sys/sysctl.h> #include <vm/vm.h> #include <vm/vm_page.h> #include <vm/vm_pageout.h> @@ -38,6 +40,10 @@ __FBSDID("$FreeBSD$"); #include <vm/uma_int.h> #include <machine/vmparam.h> +static int hw_uma_mdpages; +SYSCTL_INT(_hw, OID_AUTO, uma_mdpages, CTLFLAG_RD, &hw_uma_mdpages, 0, + "UMA MD pages in use"); + void * uma_small_alloc(uma_zone_t zone, int bytes, u_int8_t *flags, int wait) { @@ -67,6 +73,8 @@ uma_small_alloc(uma_zone_t zone, int bytes, u_int8_t *flags, int wait) va = (void *) VM_PAGE_TO_PHYS(m); if ((wait & M_ZERO) && (m->flags & PG_ZERO) == 0) bzero(va, PAGE_SIZE); + atomic_add_int(&hw_uma_mdpages, 1); + return (va); } @@ -79,4 +87,5 @@ uma_small_free(void *mem, int size, u_int8_t flags) vm_page_lock_queues(); vm_page_free(m); vm_page_unlock_queues(); + atomic_subtract_int(&hw_uma_mdpages, 1); } |
