diff options
| -rw-r--r-- | components/ram.c | 76 |
1 files changed, 75 insertions, 1 deletions
diff --git a/components/ram.c b/components/ram.c index a1fc3fe..b200882 100644 --- a/components/ram.c +++ b/components/ram.c @@ -1,9 +1,9 @@ /* See LICENSE file for copyright and license details. */ -#if defined(__linux__) #include <stdio.h> #include "../util.h" +#if defined(__linux__) const char * ram_free(void) { @@ -51,4 +51,78 @@ ram_used(void) bprintf("%f", (float)(total - free - buffers - cached) / 1024 / 1024) : NULL; } +#elif defined(__OpenBSD__) +#include <sys/types.h> +#include <sys/sysctl.h> +#include <stdlib.h> +#include <unistd.h> + +inline int +load_uvmexp(struct uvmexp *uvmexp) +{ + int uvmexp_mib[] = {CTL_VM, VM_UVMEXP}; + size_t size; + + size = sizeof(*uvmexp); + + return sysctl(uvmexp_mib, 2, uvmexp, &size, NULL, 0) >= 0 ? 1 : 0; +} + +const char * +ram_free(void) +{ + struct uvmexp uvmexp; + float free; + int free_pages; + + if (load_uvmexp(&uvmexp)) { + free_pages = uvmexp.npages - uvmexp.active; + free = (double) (free_pages * uvmexp.pagesize) / 1024 / 1024 / 1024; + return bprintf("%f", free); + } + + return NULL; +} + +const char * +ram_perc(void) +{ + struct uvmexp uvmexp; + int percent; + + if (load_uvmexp(&uvmexp)) { + percent = uvmexp.active * 100 / uvmexp.npages; + return bprintf("%d", percent); + } + + return NULL; +} + +const char * +ram_total(void) +{ + struct uvmexp uvmexp; + float total; + + if (load_uvmexp(&uvmexp)) { + total = (double) (uvmexp.npages * uvmexp.pagesize) / 1024 / 1024 / 1024; + return bprintf("%f", total); + } + + return NULL; +} + +const char * +ram_used(void) +{ + struct uvmexp uvmexp; + float used; + + if (load_uvmexp(&uvmexp)) { + used = (double) (uvmexp.active * uvmexp.pagesize) / 1024 / 1024 / 1024; + return bprintf("%f", used); + } + + return NULL; +} #endif |