From a1ac203d16c379d7fc05765545af2977a7a3584d Mon Sep 17 00:00:00 2001 From: Michael Buch Date: Sat, 16 Feb 2019 01:26:44 +0000 Subject: Add ram and swap components on FreeBSD --- components/swap.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) (limited to 'components/swap.c') diff --git a/components/swap.c b/components/swap.c index 97428de..2509db1 100644 --- a/components/swap.c +++ b/components/swap.c @@ -197,4 +197,88 @@ return fmt_human(used * 1024, 1024); } +#elif defined(__FreeBSD__) + #include + #include + #include + #include + #include + + 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 -- cgit v1.2.3