Add ram and swap components on FreeBSD - slstatus - status monitor
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---
(DIR) commit a1ac203d16c379d7fc05765545af2977a7a3584d
(DIR) parent 10bdf01b715dcc994f3fe32a6881d5e0b2613a6c
(HTM) Author: Michael Buch <michaelbuch12@gmail.com>
Date: Sat, 16 Feb 2019 01:26:44 +0000
Add ram and swap components on FreeBSD
Diffstat:
M components/ram.c | 63 +++++++++++++++++++++++++++++++
M components/swap.c | 84 +++++++++++++++++++++++++++++++
2 files changed, 147 insertions(+), 0 deletions(-)
---
(DIR) diff --git a/components/ram.c b/components/ram.c
@@ -156,4 +156,67 @@
return NULL;
}
+#elif defined(__FreeBSD__)
+ #include <sys/sysctl.h>
+ #include <sys/vmmeter.h>
+ #include <unistd.h>
+ #include <vm/vm_param.h>
+
+ const char *
+ ram_free(void) {
+ struct vmtotal vm_stats;
+ int mib[] = {CTL_VM, VM_TOTAL};
+ size_t len;
+
+ len = sizeof(struct vmtotal);
+ if (sysctl(mib, 2, &vm_stats, &len, NULL, 0) == -1
+ || !len)
+ return NULL;
+
+ return fmt_human(vm_stats.t_free * getpagesize(), 1024);
+ }
+
+ const char *
+ ram_total(void) {
+ long npages;
+ size_t len;
+
+ len = sizeof(npages);
+ if (sysctlbyname("vm.stats.vm.v_page_count", &npages, &len, NULL, 0) == -1
+ || !len)
+ return NULL;
+
+ return fmt_human(npages * getpagesize(), 1024);
+ }
+
+ const char *
+ ram_perc(void) {
+ long npages;
+ long active;
+ size_t len;
+
+ len = sizeof(npages);
+ if (sysctlbyname("vm.stats.vm.v_page_count", &npages, &len, NULL, 0) == -1
+ || !len)
+ return NULL;
+
+ if (sysctlbyname("vm.stats.vm.v_active_count", &active, &len, NULL, 0) == -1
+ || !len)
+ return NULL;
+
+ return bprintf("%d", active * 100 / npages);
+ }
+
+ const char *
+ ram_used(void) {
+ long active;
+ size_t len;
+
+ len = sizeof(active);
+ if (sysctlbyname("vm.stats.vm.v_active_count", &active, &len, NULL, 0) == -1
+ || !len)
+ return NULL;
+
+ return fmt_human(active * getpagesize(), 1024);
+ }
#endif
(DIR) diff --git a/components/swap.c b/components/swap.c
@@ -197,4 +197,88 @@
return fmt_human(used * 1024, 1024);
}
+#elif defined(__FreeBSD__)
+ #include <stdlib.h>
+ #include <sys/types.h>
+ #include <fcntl.h>
+ #include <unistd.h>
+ #include <kvm.h>
+
+ static int getswapinfo(struct kvm_swap *swap_info, size_t size)
+ {
+ kvm_t *kd;
+
+ kd = kvm_openfiles(NULL, "/dev/null", NULL, 0, NULL);
+ if(kd == NULL) {
+ warn("kvm_openfiles '/dev/null':");
+ return 0;
+ }
+
+ if(kvm_getswapinfo(kd, swap_info, size, 0 /* Unused flags */) == -1) {
+ warn("kvm_getswapinfo:");
+ kvm_close(kd);
+ return 0;
+ }
+
+ kvm_close(kd);
+ return 1;
+ }
+
+ const char *
+ swap_free(void)
+ {
+ struct kvm_swap swap_info[1];
+ long used, total;
+
+ if(!getswapinfo(swap_info, 1))
+ return NULL;
+
+ total = swap_info[0].ksw_total;
+ used = swap_info[0].ksw_used;
+
+ return fmt_human((total - used) * getpagesize(), 1024);
+ }
+
+ const char *
+ swap_perc(void)
+ {
+ struct kvm_swap swap_info[1];
+ long used, total;
+
+ if(!getswapinfo(swap_info, 1))
+ return NULL;
+
+ total = swap_info[0].ksw_total;
+ used = swap_info[0].ksw_used;
+
+ return bprintf("%d", used * 100 / total);
+ }
+
+ const char *
+ swap_total(void)
+ {
+ struct kvm_swap swap_info[1];
+ long total;
+
+ if(!getswapinfo(swap_info, 1))
+ return NULL;
+
+ total = swap_info[0].ksw_total;
+
+ return fmt_human(total * getpagesize(), 1024);
+ }
+
+ const char *
+ swap_used(void)
+ {
+ struct kvm_swap swap_info[1];
+ long used;
+
+ if(!getswapinfo(swap_info, 1))
+ return NULL;
+
+ used = swap_info[0].ksw_used;
+
+ return fmt_human(used * getpagesize(), 1024);
+ }
#endif