[hackers] [slstatus] Add OpenBSD RAM stats || Darron Anderson

From: <git_AT_suckless.org>
Date: Sat, 14 Apr 2018 19:45:29 +0200 (CEST)

commit 88bf05e4a3bc41392a4e25507bc79766de91c475
Author: Darron Anderson <darronanderson_AT_protonmail.com>
AuthorDate: Sat Apr 14 09:41:35 2018 +0000
Commit: Aaron Marcher <me_AT_drkhsh.at>
CommitDate: Sat Apr 14 19:41:49 2018 +0200

    Add OpenBSD RAM stats

diff --git a/components/ram.c b/components/ram.c
index a1fc3fe..b200882 100644
--- a/components/ram.c
+++ b/components/ram.c
_AT_@ -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)
 {
_AT_@ -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
Received on Sat Apr 14 2018 - 19:45:29 CEST

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