git.maemo.org Git - monky/blob - src/freebsd.c

   1 /*
   2  * freebsd.c
   3  * Contains FreeBSD specific stuff
   4  *
   5  * $Id$
   6  */
   7
   8 #include <sys/dkstat.h>
   9 #include <sys/param.h>
  10 #include <sys/resource.h>
  11 #include <sys/socket.h>
  12 #include <sys/sysctl.h>
  13 #include <sys/time.h>
  14 #include <sys/types.h>
  15 #include <sys/vmmeter.h>
  16 #include <sys/user.h>
  17 #include <sys/ioctl.h>
  18
  19 #include <net/if.h>
  20 #include <net/if_mib.h>
  21 #include <net/if_media.h>
  22 #include <net/if_var.h>
  23 #include <netinet/in.h>
  24
  25 #include <devstat.h>
  26 #include <fcntl.h>
  27 #include <ifaddrs.h>
  28 #include <limits.h>
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <unistd.h>
  33
  34 #include <dev/wi/if_wavelan_ieee.h>
  35
  36 #include "conky.h"
  37
  38 #define GETSYSCTL(name, var)    getsysctl(name, &(var), sizeof (var))
  39 #define KELVTOC(x)              ((x - 2732) / 10.0)
  40 #define MAXSHOWDEVS             16
  41
  42 #if 0
  43 #define FREEBSD_DEBUG
  44 #endif
  45
  46 inline void proc_find_top(struct process **cpu, struct process **mem);
  47
  48 u_int64_t diskio_prev = 0;
  49 static short cpu_setup = 0;
  50 static short diskio_setup = 0;
  51
  52 static int getsysctl(char *name, void *ptr, size_t len)
  53 {
  54         size_t nlen = len;
  55         if (sysctlbyname(name, ptr, &nlen, NULL, 0) == -1) {
  56                 return (-1);
  57         }
  58
  59         if (nlen != len) {
  60                 return (-1);
  61         }
  62
  63         return (0);
  64 }
  65
  66 struct ifmibdata *data = NULL;
  67 size_t len = 0;
  68
  69 static int swapmode(int *retavail, int *retfree)
  70 {
  71         int n;
  72         int pagesize = getpagesize();
  73         struct kvm_swap swapary[1];
  74
  75         *retavail = 0;
  76         *retfree = 0;
  77
  78 #define CONVERT(v)      ((quad_t)(v) * pagesize / 1024)
  79
  80         n = kvm_getswapinfo(kd, swapary, 1, 0);
  81         if (n < 0 || swapary[0].ksw_total == 0)
  82                 return (0);
  83
  84         *retavail = CONVERT(swapary[0].ksw_total);
  85         *retfree = CONVERT(swapary[0].ksw_total - swapary[0].ksw_used);
  86
  87         n = (int) ((double) swapary[0].ksw_used * 100.0 /
  88                 (double) swapary[0].ksw_total);
  89
  90         return (n);
  91 }
  92
  93 void
  94 prepare_update()
  95 {
  96 }
  97
  98 void
  99 update_uptime()
 100 {
 101         int mib[2] = { CTL_KERN, KERN_BOOTTIME };
 102         struct timeval boottime;
 103         time_t now;
 104         size_t size = sizeof (boottime);
 105
 106         if ((sysctl(mib, 2, &boottime, &size, NULL, 0) != -1) &&
 107                         (boottime.tv_sec != 0)) {
 108                 time(&now);
 109                 info.uptime = now - boottime.tv_sec;
 110         } else {
 111                 fprintf(stderr, "Could not get uptime\n");
 112                 info.uptime = 0;
 113         }
 114 }
 115
 116 void
 117 update_meminfo()
 118 {
 119         int total_pages, inactive_pages, free_pages;
 120         int swap_avail, swap_free;
 121
 122         int pagesize = getpagesize();
 123
 124         if (GETSYSCTL("vm.stats.vm.v_page_count", total_pages))
 125                 fprintf(stderr,
 126                         "Cannot read sysctl \"vm.stats.vm.v_page_count\"");
 127
 128         if (GETSYSCTL("vm.stats.vm.v_free_count", free_pages))
 129                 fprintf(stderr,
 130                         "Cannot read sysctl \"vm.stats.vm.v_free_count\"");
 131
 132         if (GETSYSCTL("vm.stats.vm.v_inactive_count", inactive_pages))
 133                 fprintf(stderr,
 134                         "Cannot read sysctl \"vm.stats.vm.v_inactive_count\"");
 135
 136         info.memmax = (total_pages * pagesize) >> 10;
 137         info.mem =
 138             ((total_pages - free_pages - inactive_pages) * pagesize) >> 10;
 139
 140
 141         if ((swapmode(&swap_avail, &swap_free)) >= 0) {
 142                 info.swapmax = swap_avail;
 143                 info.swap = (swap_avail - swap_free);
 144         } else {
 145                 info.swapmax = 0;
 146                 info.swap = 0;
 147         }
 148 }
 149
 150 void
 151 update_net_stats()
 152 {
 153         struct net_stat *ns;
 154         double delta;
 155         long long r, t, last_recv, last_trans;
 156         struct ifaddrs *ifap, *ifa;
 157         struct if_data *ifd;
 158
 159
 160         /* get delta */
 161         delta = current_update_time - last_update_time;
 162         if (delta <= 0.0001)
 163                 return;
 164
 165         if (getifaddrs(&ifap) < 0)
 166                 return;
 167
 168         for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
 169                 ns = get_net_stat((const char *) ifa->ifa_name);
 170
 171                 if (ifa->ifa_flags & IFF_UP) {
 172                         struct ifaddrs *iftmp;
 173
 174                         ns->up = 1;
 175                         ns->linkstatus = 1;
 176                         last_recv = ns->recv;
 177                         last_trans = ns->trans;
 178
 179                         if (ifa->ifa_addr->sa_family != AF_LINK)
 180                                 continue;
 181
 182                         for (iftmp = ifa->ifa_next; iftmp != NULL &&
 183                                 strcmp(ifa->ifa_name, iftmp->ifa_name) == 0;
 184                                 iftmp = iftmp->ifa_next)
 185                                 if (iftmp->ifa_addr->sa_family == AF_INET)
 186                                         memcpy(&(ns->addr), iftmp->ifa_addr,
 187                                                 iftmp->ifa_addr->sa_len);
 188
 189                         ifd = (struct if_data *) ifa->ifa_data;
 190                         r = ifd->ifi_ibytes;
 191                         t = ifd->ifi_obytes;
 192
 193                         if (r < ns->last_read_recv)
 194                                 ns->recv +=
 195                                     ((long long) 4294967295U -
 196                                         ns->last_read_recv) + r;
 197                         else
 198                                 ns->recv += (r - ns->last_read_recv);
 199
 200                         ns->last_read_recv = r;
 201
 202                         if (t < ns->last_read_trans)
 203                                 ns->trans +=
 204                                     ((long long) 4294967295U -
 205                                         ns->last_read_trans) + t;
 206                         else
 207                                 ns->trans += (t - ns->last_read_trans);
 208
 209                         ns->last_read_trans = t;
 210
 211                         /* calculate speeds */
 212                         ns->recv_speed = (ns->recv - last_recv) / delta;
 213                         ns->trans_speed = (ns->trans - last_trans) / delta;
 214                 } else {
 215                         ns->up = 0;
 216                         ns->linkstatus = 0;
 217                 }
 218         }
 219
 220         freeifaddrs(ifap);
 221 }
 222
 223 void
 224 update_total_processes()
 225 {
 226         int n_processes;
 227
 228         kvm_getprocs(kd, KERN_PROC_ALL, 0, &n_processes);
 229
 230         info.procs = n_processes;
 231 }
 232
 233 void
 234 update_running_processes()
 235 {
 236         struct kinfo_proc *p;
 237         int n_processes;
 238         int i, cnt = 0;
 239
 240         p = kvm_getprocs(kd, KERN_PROC_ALL, 0, &n_processes);
 241         for (i = 0; i < n_processes; i++) {
 242 #if __FreeBSD__ < 5
 243                 if (p[i].kp_proc.p_stat == SRUN)
 244 #else
 245                 if (p[i].ki_stat == SRUN)
 246 #endif
 247                         cnt++;
 248         }
 249
 250         info.run_procs = cnt;
 251 }
 252
 253 struct cpu_load_struct {
 254         unsigned long load[5];
 255 };
 256
 257 struct cpu_load_struct fresh = { {0, 0, 0, 0, 0} };
 258 long cpu_used, oldtotal, oldused;
 259
 260 void
 261 get_cpu_count()
 262 {
 263         /* int cpu_count = 0; */
 264
 265         /*
 266          * XXX
 267          * FreeBSD doesn't allow to get per CPU load stats
 268          * on SMP machines. It's possible to get a CPU count,
 269          * but as we fulfil only info.cpu_usage[0], it's better
 270          * to report there's only one CPU. It should fix some bugs
 271          * (e.g. cpugraph)
 272          */
 273 #if 0
 274         if (GETSYSCTL("hw.ncpu", cpu_count) == 0)
 275                 info.cpu_count = cpu_count;
 276 #endif
 277         info.cpu_count = 1;
 278
 279         info.cpu_usage = malloc(info.cpu_count * sizeof (float));
 280         if (info.cpu_usage == NULL)
 281                 CRIT_ERR("malloc");
 282 }
 283
 284 /* XXX: SMP support */
 285 void
 286 update_cpu_usage()
 287 {
 288         long used, total;
 289         long cp_time[CPUSTATES];
 290         size_t len = sizeof (cp_time);
 291
 292         /* add check for !info.cpu_usage since that mem is freed on a SIGUSR1 */
 293         if ((cpu_setup == 0) || (!info.cpu_usage)) {
 294                 get_cpu_count();
 295                 cpu_setup = 1;
 296         }
 297
 298         if (sysctlbyname("kern.cp_time", &cp_time, &len, NULL, 0) < 0) {
 299                 (void) fprintf(stderr, "Cannot get kern.cp_time");
 300         }
 301
 302         fresh.load[0] = cp_time[CP_USER];
 303         fresh.load[1] = cp_time[CP_NICE];
 304         fresh.load[2] = cp_time[CP_SYS];
 305         fresh.load[3] = cp_time[CP_IDLE];
 306         fresh.load[4] = cp_time[CP_IDLE];
 307
 308         used = fresh.load[0] + fresh.load[1] + fresh.load[2];
 309         total =
 310             fresh.load[0] + fresh.load[1] + fresh.load[2] + fresh.load[3];
 311
 312         if ((total - oldtotal) != 0) {
 313                 info.cpu_usage[0] = ((double) (used - oldused)) /
 314                         (double) (total - oldtotal);
 315         } else {
 316                 info.cpu_usage[0] = 0;
 317         }
 318
 319         oldused = used;
 320         oldtotal = total;
 321 }
 322
 323 double
 324 get_i2c_info(int *fd, int arg, char *devtype, char *type)
 325 {
 326         return (0);
 327 }
 328
 329 void
 330 update_load_average()
 331 {
 332         double v[3];
 333         getloadavg(v, 3);
 334
 335         info.loadavg[0] = (float) v[0];
 336         info.loadavg[1] = (float) v[1];
 337         info.loadavg[2] = (float) v[2];
 338 }
 339
 340 double
 341 get_acpi_temperature(int fd)
 342 {
 343         int temp;
 344
 345         if (GETSYSCTL("hw.acpi.thermal.tz0.temperature", temp)) {
 346                 fprintf(stderr,
 347                 "Cannot read sysctl \"hw.acpi.thermal.tz0.temperature\"\n");
 348                 return (0.0);
 349         }
 350
 351         return (KELVTOC(temp));
 352 }
 353
 354 void
 355 get_battery_stuff(char *buf, unsigned int n, const char *bat, int item)
 356 {
 357         int battime, batcapacity, batstate, ac;
 358         char battery_status[64];
 359         char battery_time[64];
 360
 361         if (GETSYSCTL("hw.acpi.battery.time", battime))
 362                 (void) fprintf(stderr,
 363                         "Cannot read sysctl \"hw.acpi.battery.time\"\n");
 364         if (GETSYSCTL("hw.acpi.battery.life", batcapacity))
 365                 (void) fprintf(stderr,
 366                                            "Cannot read sysctl \"hw.acpi.battery.life\"\n");
 367
 368         if (GETSYSCTL("hw.acpi.battery.state", batstate))
 369                 (void) fprintf(stderr,
 370                                            "Cannot read sysctl \"hw.acpi.battery.state\"\n");
 371
 372         if (GETSYSCTL("hw.acpi.acline", ac))
 373                 (void) fprintf(stderr,
 374                                            "Cannot read sysctl \"hw.acpi.acline\"\n");
 375
 376         if (batstate == 1) {
 377                 if (battime != -1) {
 378                         snprintf (battery_status, sizeof(battery_status)-1,
 379                                   "remaining %d%%", batcapacity);
 380                         snprintf (battery_time, sizeof(battery_time)-1,
 381                                   "%d:%2.2d", battime / 60, battime % 60);
 382                         /*
 383                         snprintf(buf, n, "remaining %d%% (%d:%2.2d)",
 384                                         batcapacity, battime / 60, battime % 60);
 385                         */
 386                 }
 387                 else
 388                         /* no time estimate available yet */
 389                         snprintf(battery_status, sizeof(battery_status)-1,
 390                                  "remaining %d%%", batcapacity);
 391                         /*
 392                         snprintf(buf, n, "remaining %d%%",
 393                                         batcapacity);
 394                         */
 395                 if (ac == 1)
 396                         (void) fprintf(stderr, "Discharging while on AC!\n");
 397         } else {
 398                 snprintf (battery_status, sizeof(battery_status)-1,
 399                           batstate == 2 ? "charging (%d%%)" : "charged (%d%%)", batcapacity);
 400                 /*
 401                 snprintf(buf, n, batstate == 2 ? "charging (%d%%)" : "charged (%d%%)", batcapacity);
 402                 */
 403                 if (batstate != 2 && batstate != 0)
 404                         (void) fprintf(stderr, "Unknown battery state %d!\n", batstate);
 405                 if (ac == 0)
 406                         (void) fprintf(stderr, "Charging while not on AC!\n");
 407         }
 408
 409         switch (item) {
 410         case BATTERY_STATUS:
 411                 {
 412                         snprintf(buf, n, "%s", battery_status);
 413                         break;
 414                 }
 415         case BATTERY_TIME:
 416                 {
 417                         snprintf(buf, n, "%s", battery_time);
 418                         break;
 419                 }
 420         default:
 421                         break;
 422         }
 423         return;
 424 }
 425
 426 int
 427 open_i2c_sensor(const char *dev, const char *type, int n, int *div,
 428                 char *devtype)
 429 {
 430         return (0);
 431 }
 432
 433 int
 434 open_acpi_temperature(const char *name)
 435 {
 436         return (0);
 437 }
 438
 439 void
 440 get_acpi_ac_adapter(char *p_client_buffer, size_t client_buffer_size)
 441 {
 442         int state;
 443
 444         if (!p_client_buffer || client_buffer_size <= 0)
 445                 return;
 446
 447         if (GETSYSCTL("hw.acpi.acline", state)) {
 448                 fprintf(stderr,
 449                         "Cannot read sysctl \"hw.acpi.acline\"\n");
 450                 return;
 451         }
 452
 453
 454         if (state)
 455                 strncpy(p_client_buffer, "Running on AC Power",
 456                                 client_buffer_size);
 457         else
 458                 strncpy(p_client_buffer, "Running on battery",
 459                                 client_buffer_size);
 460
 461 }
 462
 463 void
 464 get_acpi_fan(char *p_client_buffer, size_t client_buffer_size)
 465 {
 466         if (!p_client_buffer || client_buffer_size <= 0)
 467                 return;
 468
 469         /* not implemented */
 470         memset(p_client_buffer, 0, client_buffer_size);
 471 }
 472
 473 void
 474 get_adt746x_cpu(char *p_client_buffer, size_t client_buffer_size)
 475 {
 476         if (!p_client_buffer || client_buffer_size <= 0)
 477                 return;
 478
 479         /* not implemented */
 480         memset(p_client_buffer, 0, client_buffer_size);
 481 }
 482
 483 void
 484 get_adt746x_fan(char *p_client_buffer, size_t client_buffer_size)
 485 {
 486         if (!p_client_buffer || client_buffer_size <= 0)
 487                 return;
 488
 489         /* not implemented */
 490         memset(p_client_buffer, 0, client_buffer_size);
 491 }
 492
 493 /* rdtsc() and get_freq_dynamic() copied from linux.c */
 494
 495 #if  defined(__i386) || defined(__x86_64)
 496 __inline__ unsigned long long int
 497 rdtsc()
 498 {
 499         unsigned long long int x;
 500         __asm__ volatile(".byte 0x0f, 0x31":"=A" (x));
 501         return (x);
 502 }
 503 #endif
 504
 505 /* return system frequency in MHz (use divisor=1) or GHz (use divisor=1000) */
 506 void
 507 get_freq_dynamic(char *p_client_buffer, size_t client_buffer_size,
 508                 char *p_format, int divisor)
 509 {
 510 #if  defined(__i386) || defined(__x86_64)
 511         struct timezone tz;
 512         struct timeval tvstart, tvstop;
 513         unsigned long long cycles[2];   /* gotta be 64 bit */
 514         unsigned int microseconds;      /* total time taken */
 515
 516         memset(&tz, 0, sizeof (tz));
 517
 518         /* get this function in cached memory */
 519         gettimeofday(&tvstart, &tz);
 520         cycles[0] = rdtsc();
 521         gettimeofday(&tvstart, &tz);
 522
 523         /* we don't trust that this is any specific length of time */
 524         usleep(100);
 525         cycles[1] = rdtsc();
 526         gettimeofday(&tvstop, &tz);
 527         microseconds = ((tvstop.tv_sec - tvstart.tv_sec) * 1000000) +
 528                 (tvstop.tv_usec - tvstart.tv_usec);
 529
 530         snprintf(p_client_buffer, client_buffer_size, p_format,
 531                 (float)((cycles[1] - cycles[0]) / microseconds) / divisor);
 532 #else
 533         get_freq(p_client_buffer, client_buffer_size, p_format, divisor, 1);
 534 #endif
 535 }
 536
 537 /*void*/
 538 char
 539 get_freq(char *p_client_buffer, size_t client_buffer_size,
 540                 char *p_format, int divisor, unsigned int cpu)
 541 {
 542         int freq;
 543         char *freq_sysctl;
 544
 545         freq_sysctl = (char *)calloc(16, sizeof(char));
 546         if (freq_sysctl == NULL)
 547                 exit(-1);
 548
 549         snprintf(freq_sysctl, 16, "dev.cpu.%d.freq", (cpu - 1));
 550
 551         if (!p_client_buffer || client_buffer_size <= 0 ||
 552                         !p_format || divisor <= 0)
 553                 return 0;
 554
 555         if (GETSYSCTL(freq_sysctl, freq) == 0)
 556                 snprintf(p_client_buffer, client_buffer_size,
 557                                 p_format, (float)freq/divisor);
 558         else
 559                 snprintf(p_client_buffer, client_buffer_size, p_format, 0.0f);
 560
 561         free(freq_sysctl);
 562         return 1;
 563 }
 564
 565 void
 566 update_top()
 567 {
 568         proc_find_top(info.cpu, info.memu);
 569 }
 570
 571 void
 572 update_wifi_stats()
 573 {
 574         struct ifreq ifr;               /* interface stats */
 575         struct wi_req wireq;
 576         struct net_stat * ns;
 577         struct ifaddrs *ifap, *ifa;
 578         struct ifmediareq ifmr;
 579         int s;
 580
 581         /*
 582          * Get iface table
 583          */
 584         if (getifaddrs(&ifap) < 0)
 585                 return;
 586
 587         for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
 588                 ns = get_net_stat((const char *) ifa->ifa_name);
 589
 590                 s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
 591
 592                 /* Get media type */
 593                 bzero(&ifmr, sizeof(ifmr));
 594                 strlcpy(ifmr.ifm_name, ifa->ifa_name, IFNAMSIZ);
 595                 if (ioctl(s, SIOCGIFMEDIA, (caddr_t) &ifmr) < 0)
 596                         goto cleanup;
 597
 598                 /*
 599                  * We can monitor only wireless interfaces
 600                  * which not in hostap mode
 601                  */
 602                 if ((ifmr.ifm_active & IFM_IEEE80211) &&
 603                                 !(ifmr.ifm_active & IFM_IEEE80211_HOSTAP)) {
 604                         /* Get wi status */
 605                         bzero(&ifr, sizeof(ifr));
 606                         strlcpy(ifr.ifr_name, ifa->ifa_name, IFNAMSIZ);
 607                         wireq.wi_type   = WI_RID_COMMS_QUALITY;
 608                         wireq.wi_len    = WI_MAX_DATALEN;
 609                         ifr.ifr_data    = (void *) &wireq;
 610
 611                         if (ioctl(s, SIOCGWAVELAN, (caddr_t) &ifr) < 0) {
 612                                 perror("ioctl (getting wi status)");
 613                                 exit(1);
 614                         }
 615
 616                         /*
 617                          * wi_val[0] = quality
 618                          * wi_val[1] = signal
 619                          * wi_val[2] = noise
 620                          */
 621                         ns->linkstatus = (int) wireq.wi_val[1];
 622                 }
 623 cleanup:
 624                 close(s);
 625         }
 626 }
 627 void
 628 update_diskio()
 629 {
 630         int devs_count,
 631             num_selected,
 632             num_selections;
 633         struct device_selection *dev_select = NULL;
 634         long select_generation;
 635         int dn;
 636         static struct statinfo  statinfo_cur;
 637         u_int64_t diskio_current = 0;
 638
 639         bzero(&statinfo_cur, sizeof (statinfo_cur));
 640         statinfo_cur.dinfo = (struct devinfo *)malloc(sizeof (struct devinfo));
 641         bzero(statinfo_cur.dinfo, sizeof (struct devinfo));
 642
 643         if (devstat_getdevs(NULL, &statinfo_cur) < 0)
 644                 return;
 645
 646         devs_count = statinfo_cur.dinfo->numdevs;
 647         if (devstat_selectdevs(&dev_select, &num_selected, &num_selections,
 648                         &select_generation, statinfo_cur.dinfo->generation,
 649                         statinfo_cur.dinfo->devices, devs_count, NULL, 0,
 650                         NULL, 0, DS_SELECT_ONLY, MAXSHOWDEVS, 1) >= 0) {
 651                 for (dn = 0; dn < devs_count; ++dn) {
 652                         int di;
 653                         struct devstat  *dev;
 654
 655                         di = dev_select[dn].position;
 656                         dev = &statinfo_cur.dinfo->devices[di];
 657
 658                         diskio_current += dev->bytes[DEVSTAT_READ] +
 659                                 dev->bytes[DEVSTAT_WRITE];
 660                 }
 661
 662                 free(dev_select);
 663         }
 664
 665         /*
 666          * Since we return (diskio_total_current - diskio_total_old), first
 667          * frame will be way too high (it will be equal to
 668          * diskio_total_current, i.e. all disk I/O since boot). That's why
 669          * it is better to return 0 first time;
 670          */
 671         if (diskio_setup == 0) {
 672                 diskio_setup = 1;
 673                 diskio_value = 0;
 674         } else
 675                 diskio_value = (unsigned int)((diskio_current - diskio_prev)/
 676                                 1024);
 677         diskio_prev = diskio_current;
 678
 679         free(statinfo_cur.dinfo);
 680 }
 681
 682 /*
 683  * While topless is obviously better, top is also not bad.
 684  */
 685
 686 int
 687 comparecpu(const void *a, const void *b)
 688 {
 689         if (((struct process *)a)->amount > ((struct process *)b)->amount)
 690                 return (-1);
 691
 692         if (((struct process *)a)->amount < ((struct process *)b)->amount)
 693                 return (1);
 694
 695         return (0);
 696 }
 697
 698 int
 699 comparemem(const void *a, const void *b)
 700 {
 701         if (((struct process *)a)->totalmem > ((struct process *)b)->totalmem)
 702                 return (-1);
 703
 704         if (((struct process *)a)->totalmem < ((struct process *)b)->totalmem)
 705                 return (1);
 706
 707         return (0);
 708 }
 709
 710 inline void
 711 proc_find_top(struct process **cpu, struct process **mem)
 712 {
 713         struct kinfo_proc *p;
 714         int n_processes;
 715         int i, j = 0;
 716         struct process *processes;
 717
 718         int total_pages;
 719
 720         /* we get total pages count again to be sure it is up to date */
 721         if (GETSYSCTL("vm.stats.vm.v_page_count", total_pages) != 0)
 722                 CRIT_ERR("Cannot read sysctl"
 723                         "\"vm.stats.vm.v_page_count\"");
 724
 725         p = kvm_getprocs(kd, KERN_PROC_PROC, 0, &n_processes);
 726         processes = malloc(n_processes * sizeof (struct process));
 727
 728         for (i = 0; i < n_processes; i++) {
 729                 if (!((p[i].ki_flag & P_SYSTEM)) &&
 730                                 p[i].ki_comm != NULL) {
 731                         processes[j].pid = p[i].ki_pid;
 732                         processes[j].name =  strdup(p[i].ki_comm);
 733                         processes[j].amount = 100.0 *
 734                                 p[i].ki_pctcpu / FSCALE;
 735                         processes[j].totalmem = (float)(p[i].ki_rssize /
 736                                         (float)total_pages) * 100.0;
 737                         j++;
 738                 }
 739         }
 740
 741         qsort(processes, j - 1, sizeof (struct process), comparemem);
 742         for (i = 0; i < 10; i++) {
 743                 struct process *tmp, *ttmp;
 744
 745                 tmp = malloc(sizeof (struct process));
 746                 tmp->pid = processes[i].pid;
 747                 tmp->amount = processes[i].amount;
 748                 tmp->totalmem = processes[i].totalmem;
 749                 tmp->name = strdup(processes[i].name);
 750
 751                 ttmp = mem[i];
 752                 mem[i] = tmp;
 753                 if (ttmp != NULL) {
 754                         free(ttmp->name);
 755                         free(ttmp);
 756                 }
 757         }
 758
 759         qsort(processes, j - 1, sizeof (struct process), comparecpu);
 760         for (i = 0; i < 10; i++) {
 761                 struct process *tmp, *ttmp;
 762
 763                 tmp = malloc(sizeof (struct process));
 764                 tmp->pid = processes[i].pid;
 765                 tmp->amount = processes[i].amount;
 766                 tmp->totalmem = processes[i].totalmem;
 767                 tmp->name = strdup(processes[i].name);
 768
 769                 ttmp = cpu[i];
 770                 cpu[i] = tmp;
 771                 if (ttmp != NULL) {
 772                         free(ttmp->name);
 773                         free(ttmp);
 774                 }
 775         }
 776
 777 #if defined(FREEBSD_DEBUG)
 778         printf("=====\nmem\n");
 779         for (i = 0; i < 10; i++) {
 780                 printf("%d: %s(%d) %.2f\n", i, mem[i]->name,
 781                                 mem[i]->pid, mem[i]->totalmem);
 782         }
 783 #endif
 784
 785         for (i = 0; i < j; free(processes[i++].name));
 786         free(processes);
 787 }
 788
 789 #if     defined(i386) || defined(__i386__)
 790 #define APMDEV          "/dev/apm"
 791 #define APM_UNKNOWN     255
 792
 793 int
 794 apm_getinfo(int fd, apm_info_t aip)
 795 {
 796         if (ioctl(fd, APMIO_GETINFO, aip) == -1)
 797                 return (-1);
 798
 799         return (0);
 800 }
 801
 802 char
 803 *get_apm_adapter()
 804 {
 805         int fd;
 806         struct apm_info info;
 807
 808         fd = open(APMDEV, O_RDONLY);
 809         if (fd < 0)
 810                 return ("ERR");
 811
 812         if (apm_getinfo(fd, &info) != 0) {
 813                 close(fd);
 814                 return ("ERR");
 815         }
 816         close(fd);
 817
 818         switch (info.ai_acline) {
 819                 case 0:
 820                         return ("off-line");
 821                         break;
 822                 case 1:
 823                         if (info.ai_batt_stat == 3)
 824                                 return ("charging");
 825                         else
 826                                 return ("on-line");
 827                         break;
 828                 default:
 829                         return ("unknown");
 830                         break;
 831         }
 832 }
 833
 834 char
 835 *get_apm_battery_life()
 836 {
 837         int fd;
 838         u_int batt_life;
 839         struct apm_info info;
 840         char *out;
 841
 842         out = (char *)calloc(16, sizeof (char));
 843
 844         fd = open(APMDEV, O_RDONLY);
 845         if (fd < 0) {
 846                 strncpy(out, "ERR", 16);
 847                 return (out);
 848         }
 849
 850         if (apm_getinfo(fd, &info) != 0) {
 851                 close(fd);
 852                 strncpy(out, "ERR", 16);
 853                 return (out);
 854         }
 855         close(fd);
 856
 857         batt_life = info.ai_batt_life;
 858         if (batt_life == APM_UNKNOWN)
 859                 strncpy(out, "unknown", 16);
 860         else if (batt_life <= 100) {
 861                 snprintf(out, 16, "%d%%", batt_life);
 862                 return (out);
 863         } else
 864                 strncpy(out, "ERR", 16);
 865
 866         return (out);
 867 }
 868
 869 char
 870 *get_apm_battery_time()
 871 {
 872         int fd;
 873         int batt_time;
 874         int h, m, s;
 875         struct apm_info info;
 876         char *out;
 877
 878         out = (char *)calloc(16, sizeof (char));
 879
 880         fd = open(APMDEV, O_RDONLY);
 881         if (fd < 0) {
 882                 strncpy(out, "ERR", 16);
 883                 return (out);
 884         }
 885
 886         if (apm_getinfo(fd, &info) != 0) {
 887                 close(fd);
 888                 strncpy(out, "ERR", 16);
 889                 return (out);
 890         }
 891         close(fd);
 892
 893         batt_time = info.ai_batt_time;
 894
 895         if (batt_time == -1)
 896                 strncpy(out, "unknown", 16);
 897         else {
 898                 h = batt_time;
 899                 s = h % 60;
 900                 h /= 60;
 901                 m = h % 60;
 902                 h /= 60;
 903                 snprintf(out, 16, "%2d:%02d:%02d", h, m, s);
 904         }
 905
 906         return (out);
 907 }
 908
 909 #endif
 910
 911 void update_entropy (void)
 912 {
 913      /* mirrorbox: can you do anything equivalent in freebsd? -drphibes. */
 914 }
 915
 916 /* empty stub so conky links */
 917 void
 918 free_all_processes(void)
 919 {
 920 }