mirror of
https://github.com/Llewellynvdm/conky.git
synced 2024-12-26 04:17:33 +00:00
4d1d328de9
git-svn-id: https://conky.svn.sourceforge.net/svnroot/conky/trunk/conky@5 7f574dfc-610e-0410-a909-a81674777703
446 lines
8.6 KiB
C
446 lines
8.6 KiB
C
#include "conky.h"
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#include <fcntl.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <kvm.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <sys/sysctl.h>
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#include <sys/vmmeter.h>
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#include <sys/dkstat.h>
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#include <unistd.h>
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#include <sys/user.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <net/if_mib.h>
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#include <sys/socket.h>
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#include <ifaddrs.h>
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#define GETSYSCTL(name, var) getsysctl(name, &(var), sizeof(var))
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#define KELVTOC(x) ((x - 2732) / 10.0)
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#if defined(i386) || defined(__i386__)
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static unsigned int get_timer();
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static unsigned int get_cpu_speed(void);
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static inline unsigned long long int rdtsc( void );
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/* cpu frequency detection code based on mplayer's one */
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static unsigned int get_timer() {
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struct timeval tv;
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struct timezone tz;
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gettimeofday(&tv,&tz);
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return (tv.tv_sec*1000000+tv.tv_usec);
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}
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static inline unsigned long long int rdtsc( void )
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{
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unsigned long long int retval;
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__asm __volatile ("rdtsc":"=A"(retval)::"memory");
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return retval;
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}
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static unsigned int get_cpu_speed(void)
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{
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unsigned long long int tscstart, tscstop;
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unsigned int start, stop;
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tscstart = rdtsc();
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start = get_timer();
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usleep(50000);
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stop = get_timer();
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tscstop = rdtsc();
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return((tscstop-tscstart)/((stop-start)/1000.0));
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}
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#endif
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static int getsysctl(char *name, void *ptr, size_t len)
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{
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size_t nlen = len;
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if (sysctlbyname(name, ptr, &nlen, NULL, 0) == -1) {
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return -1;
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}
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if (nlen != len) {
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return -1;
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}
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return 0;
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}
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static kvm_t *kd = NULL;
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struct ifmibdata *data = NULL;
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size_t len = 0;
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static int swapmode(int *retavail, int *retfree)
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{
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int n;
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int pagesize = getpagesize();
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struct kvm_swap swapary[1];
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static int kd_init = 1;
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if (kd_init) {
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kd_init = 0;
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if ((kd = kvm_open("/dev/null", "/dev/null", "/dev/null",
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O_RDONLY, "kvm_open")) == NULL) {
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(void) fprintf(stderr, "Cannot read kvm.");
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return -1;
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}
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}
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if (kd == NULL) {
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return -1;
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}
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*retavail = 0;
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*retfree = 0;
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#define CONVERT(v) ((quad_t)(v) * pagesize / 1024)
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n = kvm_getswapinfo(kd, swapary, 1, 0);
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if (n < 0 || swapary[0].ksw_total == 0)
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return (0);
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*retavail = CONVERT(swapary[0].ksw_total);
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*retfree = CONVERT(swapary[0].ksw_total - swapary[0].ksw_used);
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n = (int) ((double) swapary[0].ksw_used * 100.0 /
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(double) swapary[0].ksw_total);
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return n;
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}
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void prepare_update()
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{
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}
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/*double get_uptime() */
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void update_uptime()
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{
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int mib[2] = { CTL_KERN, KERN_BOOTTIME };
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struct timeval boottime;
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time_t now;
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size_t size = sizeof(boottime);
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if ((sysctl(mib, 2, &boottime, &size, NULL, 0) != -1)
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&& (boottime.tv_sec != 0)) {
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time(&now);
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info.uptime = now - boottime.tv_sec;
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} else {
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(void) fprintf(stderr, "Could not get uptime\n");
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info.uptime = 0;
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}
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}
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void update_meminfo()
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{
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int total_pages, inactive_pages, free_pages;
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int swap_avail, swap_free;
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int pagesize = getpagesize();
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if (GETSYSCTL("vm.stats.vm.v_page_count", total_pages))
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(void) fprintf(stderr,
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"Cannot read sysctl \"vm.stats.vm.v_page_count\"");
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if (GETSYSCTL("vm.stats.vm.v_free_count", free_pages))
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(void) fprintf(stderr,
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"Cannot read sysctl \"vm.stats.vm.v_free_count\"");
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if (GETSYSCTL("vm.stats.vm.v_inactive_count", inactive_pages))
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(void) fprintf(stderr,
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"Cannot read sysctl \"vm.stats.vm.v_inactive_count\"");
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info.memmax = (total_pages * pagesize) >> 10;
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info.mem =
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((total_pages - free_pages - inactive_pages) * pagesize) >> 10;
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if ((swapmode(&swap_avail, &swap_free)) >= 0) {
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info.swapmax = swap_avail;
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info.swap = (swap_avail - swap_free);
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} else {
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info.swapmax = 0;
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info.swap = 0;
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}
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}
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void update_net_stats()
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{
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struct net_stat *ns;
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double delta;
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long long r, t, last_recv, last_trans;
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struct ifaddrs *ifap, *ifa;
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struct if_data *ifd;
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/* get delta */
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delta = current_update_time - last_update_time;
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if (delta <= 0.0001)
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return;
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if (getifaddrs(&ifap) < 0)
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return;
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for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
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ns = get_net_stat((const char *) ifa->ifa_name);
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if (ifa->ifa_flags & IFF_UP) {
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last_recv = ns->recv;
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last_trans = ns->trans;
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if (ifa->ifa_addr->sa_family != AF_LINK)
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continue;
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ifd = (struct if_data *) ifa->ifa_data;
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r = ifd->ifi_ibytes;
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t = ifd->ifi_obytes;
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if (r < ns->last_read_recv)
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ns->recv +=
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((long long) 4294967295U -
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ns->last_read_recv) + r;
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else
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ns->recv += (r - ns->last_read_recv);
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ns->last_read_recv = r;
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if (t < ns->last_read_trans)
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ns->trans +=
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((long long) 4294967295U -
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ns->last_read_trans) + t;
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else
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ns->trans += (t - ns->last_read_trans);
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ns->last_read_trans = t;
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/* calculate speeds */
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ns->recv_speed = (ns->recv - last_recv) / delta;
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ns->trans_speed = (ns->trans - last_trans) / delta;
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}
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}
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freeifaddrs(ifap);
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}
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void update_total_processes()
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{
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/* It's easier to use kvm here than sysctl */
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int n_processes;
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static int kd_init = 1;
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if (kd_init) {
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kd_init = 0;
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if ((kd = kvm_open("/dev/null", "/dev/null", "/dev/null",
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O_RDONLY, "kvm_open")) == NULL) {
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(void) fprintf(stderr, "Cannot read kvm.");
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return;
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}
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}
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if (kd != NULL)
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kvm_getprocs(kd, KERN_PROC_ALL, 0, &n_processes);
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else
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return;
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info.procs = n_processes;
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}
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void update_running_processes()
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{
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static int kd_init = 1;
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struct kinfo_proc *p;
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int n_processes;
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int i, cnt = 0;
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if (kd_init) {
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kd_init = 0;
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if ((kd =
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kvm_open("/dev/null", "/dev/null", "/dev/null",
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O_RDONLY, "kvm_open")) == NULL) {
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(void) fprintf(stderr, "Cannot read kvm.");
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}
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}
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if (kd != NULL) {
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p = kvm_getprocs(kd, KERN_PROC_ALL, 0, &n_processes);
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for (i = 0; i < n_processes; i++) {
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#if __FreeBSD__ < 5
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if (p[i].kp_proc.p_stat == SRUN)
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#else
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if (p[i].ki_stat == SRUN)
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#endif
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cnt++;
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}
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} else
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return;
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info.run_procs = cnt;
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}
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struct cpu_load_struct {
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unsigned long load[5];
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};
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struct cpu_load_struct fresh = { {0, 0, 0, 0, 0} };
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long cpu_used, oldtotal, oldused;
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void update_cpu_usage()
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{
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long used, total;
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long cp_time[CPUSTATES];
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size_t len = sizeof(cp_time);
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if (sysctlbyname("kern.cp_time", &cp_time, &len, NULL, 0) < 0) {
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(void) fprintf(stderr, "Cannot get kern.cp_time");
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}
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fresh.load[0] = cp_time[CP_USER];
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fresh.load[1] = cp_time[CP_NICE];
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fresh.load[2] = cp_time[CP_SYS];
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fresh.load[3] = cp_time[CP_IDLE];
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fresh.load[4] = cp_time[CP_IDLE];
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used = fresh.load[0] + fresh.load[1] + fresh.load[2];
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total =
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fresh.load[0] + fresh.load[1] + fresh.load[2] + fresh.load[3];
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if ((total - oldtotal) != 0) {
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info.cpu_usage =
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((double) (used - oldused)) / (double) (total -
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oldtotal);
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} else {
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info.cpu_usage = 0;
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}
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oldused = used;
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oldtotal = total;
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}
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double get_i2c_info(int *fd, int div, char *devtype)
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{
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return 0;
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}
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void update_load_average()
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{
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double v[3];
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getloadavg(v, 3);
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info.loadavg[0] = (float) v[0];
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info.loadavg[1] = (float) v[1];
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info.loadavg[2] = (float) v[2];
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}
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double get_acpi_temperature(int fd)
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{
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int temp;
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if (GETSYSCTL("hw.acpi.thermal.tz0.temperature", temp)) {
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(void) fprintf(stderr,
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"Cannot read sysctl \"hw.acpi.thermal.tz0.temperature\"\n");
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return 0.0;
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}
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return KELVTOC(temp);
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}
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void get_battery_stuff(char *buf, unsigned int n, const char *bat)
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{
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int battime;
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if (GETSYSCTL("hw.acpi.battery.time", battime))
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(void) fprintf(stderr,
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"Cannot read sysctl \"hw.acpi.battery.time\"\n");
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if (battime != -1)
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snprintf(buf, n, "Discharging, remaining %d:%2.2d",
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battime / 60, battime % 60);
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else
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snprintf(buf, n, "Battery is charging");
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}
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int
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open_i2c_sensor(const char *dev, const char *type, int n, int *div,
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char *devtype)
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{
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return 0;
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}
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int open_acpi_temperature(const char *name)
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{
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return 0;
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}
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char *get_acpi_ac_adapter(void)
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{
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int state;
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char *acstate = (char *) malloc(100);
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if (GETSYSCTL("hw.acpi.acline", state)) {
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(void) fprintf(stderr,
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"Cannot read sysctl \"hw.acpi.acline\"\n");
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return "n\\a";
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}
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if (state)
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strcpy(acstate, "Running on AC Power");
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else
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strcpy(acstate, "Running on battery");
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return acstate;
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}
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char *get_acpi_fan()
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{
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return "";
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}
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char* get_adt746x_cpu() {
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return "";
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}
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char* get_adt746x_fan() {
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return "";
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}
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char* get_freq() {
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#if defined(i386) || defined(__i386__)
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int i;
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char *cpuspeed;
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if ((cpuspeed = (char *)malloc(16)) == NULL)
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exit(1);
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i = 0;
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if ((i = get_cpu_speed()) > 0) {
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if (i < 1000000) {
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i += 50; /* for rounding */
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snprintf(cpuspeed, 15, "%d.%d MHz", i/1000, (i/100)%10);
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} else {
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snprintf(cpuspeed, 15, "%d MHz", i/1000);
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}
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} else {
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cpuspeed = "";
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}
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return cpuspeed;
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#else
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return "";
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#endif
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}
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