vcs.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 int check_mount(char *s)
 117 {
 118         struct statfs *mntbuf;
 119         int i, mntsize;
 120
 121         mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
 122         for (i = mntsize - 1; i >= 0; i--)
 123                 if (strcmp(mntbuf[i].f_mntonname, s) == 0)
 124                         return 1;
 125
 126         return 0;
 127 }
 128
 129 void
 130 update_meminfo()
 131 {
 132         int total_pages, inactive_pages, free_pages;
 133         int swap_avail, swap_free;
 134
 135         int pagesize = getpagesize();
 136
 137         if (GETSYSCTL("vm.stats.vm.v_page_count", total_pages))
 138                 fprintf(stderr,
 139                         "Cannot read sysctl \"vm.stats.vm.v_page_count\"");
 140
 141         if (GETSYSCTL("vm.stats.vm.v_free_count", free_pages))
 142                 fprintf(stderr,
 143                         "Cannot read sysctl \"vm.stats.vm.v_free_count\"");
 144
 145         if (GETSYSCTL("vm.stats.vm.v_inactive_count", inactive_pages))
 146                 fprintf(stderr,
 147                         "Cannot read sysctl \"vm.stats.vm.v_inactive_count\"");
 148
 149         info.memmax = (total_pages * pagesize) >> 10;
 150         info.mem =
 151             ((total_pages - free_pages - inactive_pages) * pagesize) >> 10;
 152
 153
 154         if ((swapmode(&swap_avail, &swap_free)) >= 0) {
 155                 info.swapmax = swap_avail;
 156                 info.swap = (swap_avail - swap_free);
 157         } else {
 158                 info.swapmax = 0;
 159                 info.swap = 0;
 160         }
 161 }
 162
 163 void
 164 update_net_stats()
 165 {
 166         struct net_stat *ns;
 167         double delta;
 168         long long r, t, last_recv, last_trans;
 169         struct ifaddrs *ifap, *ifa;
 170         struct if_data *ifd;
 171
 172
 173         /* get delta */
 174         delta = current_update_time - last_update_time;
 175         if (delta <= 0.0001)
 176                 return;
 177
 178         if (getifaddrs(&ifap) < 0)
 179                 return;
 180
 181         for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
 182                 ns = get_net_stat((const char *) ifa->ifa_name);
 183
 184                 if (ifa->ifa_flags & IFF_UP) {
 185                         struct ifaddrs *iftmp;
 186
 187                         ns->up = 1;
 188                         ns->linkstatus = 1;
 189                         last_recv = ns->recv;
 190                         last_trans = ns->trans;
 191
 192                         if (ifa->ifa_addr->sa_family != AF_LINK)
 193                                 continue;
 194
 195                         for (iftmp = ifa->ifa_next; iftmp != NULL &&
 196                                 strcmp(ifa->ifa_name, iftmp->ifa_name) == 0;
 197                                 iftmp = iftmp->ifa_next)
 198                                 if (iftmp->ifa_addr->sa_family == AF_INET)
 199                                         memcpy(&(ns->addr), iftmp->ifa_addr,
 200                                                 iftmp->ifa_addr->sa_len);
 201
 202                         ifd = (struct if_data *) ifa->ifa_data;
 203                         r = ifd->ifi_ibytes;
 204                         t = ifd->ifi_obytes;
 205
 206                         if (r < ns->last_read_recv)
 207                                 ns->recv +=
 208                                     ((long long) 4294967295U -
 209                                         ns->last_read_recv) + r;
 210                         else
 211                                 ns->recv += (r - ns->last_read_recv);
 212
 213                         ns->last_read_recv = r;
 214
 215                         if (t < ns->last_read_trans)
 216                                 ns->trans +=
 217                                     ((long long) 4294967295U -
 218                                         ns->last_read_trans) + t;
 219                         else
 220                                 ns->trans += (t - ns->last_read_trans);
 221
 222                         ns->last_read_trans = t;
 223
 224                         /* calculate speeds */
 225                         ns->recv_speed = (ns->recv - last_recv) / delta;
 226                         ns->trans_speed = (ns->trans - last_trans) / delta;
 227                 } else {
 228                         ns->up = 0;
 229                         ns->linkstatus = 0;
 230                 }
 231         }
 232
 233         freeifaddrs(ifap);
 234 }
 235
 236 void
 237 update_total_processes()
 238 {
 239         int n_processes;
 240
 241         kvm_getprocs(kd, KERN_PROC_ALL, 0, &n_processes);
 242
 243         info.procs = n_processes;
 244 }
 245
 246 void
 247 update_running_processes()
 248 {
 249         struct kinfo_proc *p;
 250         int n_processes;
 251         int i, cnt = 0;
 252
 253         p = kvm_getprocs(kd, KERN_PROC_ALL, 0, &n_processes);
 254         for (i = 0; i < n_processes; i++) {
 255 #if __FreeBSD__ < 5
 256                 if (p[i].kp_proc.p_stat == SRUN)
 257 #else
 258                 if (p[i].ki_stat == SRUN)
 259 #endif
 260                         cnt++;
 261         }
 262
 263         info.run_procs = cnt;
 264 }
 265
 266 struct cpu_load_struct {
 267         unsigned long load[5];
 268 };
 269
 270 struct cpu_load_struct fresh = { {0, 0, 0, 0, 0} };
 271 long cpu_used, oldtotal, oldused;
 272
 273 void
 274 get_cpu_count()
 275 {
 276         /* int cpu_count = 0; */
 277
 278         /*
 279          * XXX
 280          * FreeBSD doesn't allow to get per CPU load stats
 281          * on SMP machines. It's possible to get a CPU count,
 282          * but as we fulfil only info.cpu_usage[0], it's better
 283          * to report there's only one CPU. It should fix some bugs
 284          * (e.g. cpugraph)
 285          */
 286 #if 0
 287         if (GETSYSCTL("hw.ncpu", cpu_count) == 0)
 288                 info.cpu_count = cpu_count;
 289 #endif
 290         info.cpu_count = 1;
 291
 292         info.cpu_usage = malloc(info.cpu_count * sizeof (float));
 293         if (info.cpu_usage == NULL)
 294                 CRIT_ERR("malloc");
 295 }
 296
 297 /* XXX: SMP support */
 298 void
 299 update_cpu_usage()
 300 {
 301         long used, total;
 302         long cp_time[CPUSTATES];
 303         size_t len = sizeof (cp_time);
 304
 305         /* add check for !info.cpu_usage since that mem is freed on a SIGUSR1 */
 306         if ((cpu_setup == 0) || (!info.cpu_usage)) {
 307                 get_cpu_count();
 308                 cpu_setup = 1;
 309         }
 310
 311         if (sysctlbyname("kern.cp_time", &cp_time, &len, NULL, 0) < 0) {
 312                 (void) fprintf(stderr, "Cannot get kern.cp_time");
 313         }
 314
 315         fresh.load[0] = cp_time[CP_USER];
 316         fresh.load[1] = cp_time[CP_NICE];
 317         fresh.load[2] = cp_time[CP_SYS];
 318         fresh.load[3] = cp_time[CP_IDLE];
 319         fresh.load[4] = cp_time[CP_IDLE];
 320
 321         used = fresh.load[0] + fresh.load[1] + fresh.load[2];
 322         total =
 323             fresh.load[0] + fresh.load[1] + fresh.load[2] + fresh.load[3];
 324
 325         if ((total - oldtotal) != 0) {
 326                 info.cpu_usage[0] = ((double) (used - oldused)) /
 327                         (double) (total - oldtotal);
 328         } else {
 329                 info.cpu_usage[0] = 0;
 330         }
 331
 332         oldused = used;
 333         oldtotal = total;
 334 }
 335
 336 double
 337 get_i2c_info(int *fd, int arg, char *devtype, char *type)
 338 {
 339         return (0);
 340 }
 341
 342 void
 343 update_load_average()
 344 {
 345         double v[3];
 346         getloadavg(v, 3);
 347
 348         info.loadavg[0] = (float) v[0];
 349         info.loadavg[1] = (float) v[1];
 350         info.loadavg[2] = (float) v[2];
 351 }
 352
 353 double
 354 get_acpi_temperature(int fd)
 355 {
 356         int temp;
 357
 358         if (GETSYSCTL("hw.acpi.thermal.tz0.temperature", temp)) {
 359                 fprintf(stderr,
 360                 "Cannot read sysctl \"hw.acpi.thermal.tz0.temperature\"\n");
 361                 return (0.0);
 362         }
 363
 364         return (KELVTOC(temp));
 365 }
 366
 367 void
 368 get_battery_stuff(char *buf, unsigned int n, const char *bat, int item)
 369 {
 370         int battime, batcapacity, batstate, ac;
 371         char battery_status[64];
 372         char battery_time[64];
 373
 374         if (GETSYSCTL("hw.acpi.battery.time", battime))
 375                 (void) fprintf(stderr,
 376                         "Cannot read sysctl \"hw.acpi.battery.time\"\n");
 377         if (GETSYSCTL("hw.acpi.battery.life", batcapacity))
 378                 (void) fprintf(stderr,
 379                                            "Cannot read sysctl \"hw.acpi.battery.life\"\n");
 380
 381         if (GETSYSCTL("hw.acpi.battery.state", batstate))
 382                 (void) fprintf(stderr,
 383                                            "Cannot read sysctl \"hw.acpi.battery.state\"\n");
 384
 385         if (GETSYSCTL("hw.acpi.acline", ac))
 386                 (void) fprintf(stderr,
 387                                            "Cannot read sysctl \"hw.acpi.acline\"\n");
 388
 389         if (batstate == 1) {
 390                 if (battime != -1) {
 391                         snprintf (battery_status, sizeof(battery_status)-1,
 392                                   "remaining %d%%", batcapacity);
 393                         snprintf (battery_time, sizeof(battery_time)-1,
 394                                   "%d:%2.2d", battime / 60, battime % 60);
 395                         /*
 396                         snprintf(buf, n, "remaining %d%% (%d:%2.2d)",
 397                                         batcapacity, battime / 60, battime % 60);
 398                         */
 399                 }
 400                 else
 401                         /* no time estimate available yet */
 402                         snprintf(battery_status, sizeof(battery_status)-1,
 403                                  "remaining %d%%", batcapacity);
 404                         /*
 405                         snprintf(buf, n, "remaining %d%%",
 406                                         batcapacity);
 407                         */
 408                 if (ac == 1)
 409                         (void) fprintf(stderr, "Discharging while on AC!\n");
 410         } else {
 411                 snprintf (battery_status, sizeof(battery_status)-1,
 412                           batstate == 2 ? "charging (%d%%)" : "charged (%d%%)", batcapacity);
 413                 /*
 414                 snprintf(buf, n, batstate == 2 ? "charging (%d%%)" : "charged (%d%%)", batcapacity);
 415                 */
 416                 if (batstate != 2 && batstate != 0)
 417                         (void) fprintf(stderr, "Unknown battery state %d!\n", batstate);
 418                 if (ac == 0)
 419                         (void) fprintf(stderr, "Charging while not on AC!\n");
 420         }
 421
 422         switch (item) {
 423         case BATTERY_STATUS:
 424                 {
 425                         snprintf(buf, n, "%s", battery_status);
 426                         break;
 427                 }
 428         case BATTERY_TIME:
 429                 {
 430                         snprintf(buf, n, "%s", battery_time);
 431                         break;
 432                 }
 433         default:
 434                         break;
 435         }
 436         return;
 437 }
 438
 439 int
 440 get_battery_perct(const char *bat)
 441 {
 442         /* not implemented */
 443         return (0);
 444 }
 445
 446 int
 447 get_battery_perct_bar(const char *bar)
 448 {
 449         /* not implemented */
 450         return (0);
 451 }
 452
 453 int
 454 open_i2c_sensor(const char *dev, const char *type, int n, int *div,
 455                 char *devtype)
 456 {
 457         return (0);
 458 }
 459
 460 int
 461 open_acpi_temperature(const char *name)
 462 {
 463         return (0);
 464 }
 465
 466 void
 467 get_acpi_ac_adapter(char *p_client_buffer, size_t client_buffer_size)
 468 {
 469         int state;
 470
 471         if (!p_client_buffer || client_buffer_size <= 0)
 472                 return;
 473
 474         if (GETSYSCTL("hw.acpi.acline", state)) {
 475                 fprintf(stderr,
 476                         "Cannot read sysctl \"hw.acpi.acline\"\n");
 477                 return;
 478         }
 479
 480
 481         if (state)
 482                 strncpy(p_client_buffer, "Running on AC Power",
 483                                 client_buffer_size);
 484         else
 485                 strncpy(p_client_buffer, "Running on battery",
 486                                 client_buffer_size);
 487
 488 }
 489
 490 void
 491 get_acpi_fan(char *p_client_buffer, size_t client_buffer_size)
 492 {
 493         if (!p_client_buffer || client_buffer_size <= 0)
 494                 return;
 495
 496         /* not implemented */
 497         memset(p_client_buffer, 0, client_buffer_size);
 498 }
 499
 500 void
 501 get_adt746x_cpu(char *p_client_buffer, size_t client_buffer_size)
 502 {
 503         if (!p_client_buffer || client_buffer_size <= 0)
 504                 return;
 505
 506         /* not implemented */
 507         memset(p_client_buffer, 0, client_buffer_size);
 508 }
 509
 510 void
 511 get_adt746x_fan(char *p_client_buffer, size_t client_buffer_size)
 512 {
 513         if (!p_client_buffer || client_buffer_size <= 0)
 514                 return;
 515
 516         /* not implemented */
 517         memset(p_client_buffer, 0, client_buffer_size);
 518 }
 519
 520 /* rdtsc() and get_freq_dynamic() copied from linux.c */
 521
 522 #if  defined(__i386) || defined(__x86_64)
 523 __inline__ unsigned long long int
 524 rdtsc()
 525 {
 526         unsigned long long int x;
 527         __asm__ volatile(".byte 0x0f, 0x31":"=A" (x));
 528         return (x);
 529 }
 530 #endif
 531
 532 /* return system frequency in MHz (use divisor=1) or GHz (use divisor=1000) */
 533 void
 534 get_freq_dynamic(char *p_client_buffer, size_t client_buffer_size,
 535                 char *p_format, int divisor)
 536 {
 537 #if  defined(__i386) || defined(__x86_64)
 538         struct timezone tz;
 539         struct timeval tvstart, tvstop;
 540         unsigned long long cycles[2];   /* gotta be 64 bit */
 541         unsigned int microseconds;      /* total time taken */
 542
 543         memset(&tz, 0, sizeof (tz));
 544
 545         /* get this function in cached memory */
 546         gettimeofday(&tvstart, &tz);
 547         cycles[0] = rdtsc();
 548         gettimeofday(&tvstart, &tz);
 549
 550         /* we don't trust that this is any specific length of time */
 551         usleep(100);
 552         cycles[1] = rdtsc();
 553         gettimeofday(&tvstop, &tz);
 554         microseconds = ((tvstop.tv_sec - tvstart.tv_sec) * 1000000) +
 555                 (tvstop.tv_usec - tvstart.tv_usec);
 556
 557         snprintf(p_client_buffer, client_buffer_size, p_format,
 558                 (float)((cycles[1] - cycles[0]) / microseconds) / divisor);
 559 #else
 560         get_freq(p_client_buffer, client_buffer_size, p_format, divisor, 1);
 561 #endif
 562 }
 563
 564 /*void*/
 565 char
 566 get_freq(char *p_client_buffer, size_t client_buffer_size,
 567                 char *p_format, int divisor, unsigned int cpu)
 568 {
 569         int freq;
 570         char *freq_sysctl;
 571
 572         freq_sysctl = (char *)calloc(16, sizeof(char));
 573         if (freq_sysctl == NULL)
 574                 exit(-1);
 575
 576         snprintf(freq_sysctl, 16, "dev.cpu.%d.freq", (cpu - 1));
 577
 578         if (!p_client_buffer || client_buffer_size <= 0 ||
 579                         !p_format || divisor <= 0)
 580                 return 0;
 581
 582         if (GETSYSCTL(freq_sysctl, freq) == 0)
 583                 snprintf(p_client_buffer, client_buffer_size,
 584                                 p_format, (float)freq/divisor);
 585         else
 586                 snprintf(p_client_buffer, client_buffer_size, p_format, 0.0f);
 587
 588         free(freq_sysctl);
 589         return 1;
 590 }
 591
 592 void
 593 update_top()
 594 {
 595         proc_find_top(info.cpu, info.memu);
 596 }
 597
 598 #if 0
 599 void
 600 update_wifi_stats()
 601 {
 602         struct ifreq ifr;               /* interface stats */
 603         struct wi_req wireq;
 604         struct net_stat * ns;
 605         struct ifaddrs *ifap, *ifa;
 606         struct ifmediareq ifmr;
 607         int s;
 608
 609         /*
 610          * Get iface table
 611          */
 612         if (getifaddrs(&ifap) < 0)
 613                 return;
 614
 615         for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
 616                 ns = get_net_stat((const char *) ifa->ifa_name);
 617
 618                 s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
 619
 620                 /* Get media type */
 621                 bzero(&ifmr, sizeof(ifmr));
 622                 strlcpy(ifmr.ifm_name, ifa->ifa_name, IFNAMSIZ);
 623                 if (ioctl(s, SIOCGIFMEDIA, (caddr_t) &ifmr) < 0)
 624                         goto cleanup;
 625
 626                 /*
 627                  * We can monitor only wireless interfaces
 628                  * which not in hostap mode
 629                  */
 630                 if ((ifmr.ifm_active & IFM_IEEE80211) &&
 631                                 !(ifmr.ifm_active & IFM_IEEE80211_HOSTAP)) {
 632                         /* Get wi status */
 633                         bzero(&ifr, sizeof(ifr));
 634                         strlcpy(ifr.ifr_name, ifa->ifa_name, IFNAMSIZ);
 635                         wireq.wi_type   = WI_RID_COMMS_QUALITY;
 636                         wireq.wi_len    = WI_MAX_DATALEN;
 637                         ifr.ifr_data    = (void *) &wireq;
 638
 639                         if (ioctl(s, SIOCGWAVELAN, (caddr_t) &ifr) < 0) {
 640                                 perror("ioctl (getting wi status)");
 641                                 exit(1);
 642                         }
 643
 644                         /*
 645                          * wi_val[0] = quality
 646                          * wi_val[1] = signal
 647                          * wi_val[2] = noise
 648                          */
 649                         ns->linkstatus = (int) wireq.wi_val[1];
 650                 }
 651 cleanup:
 652                 close(s);
 653         }
 654 }
 655 #endif
 656
 657 void
 658 update_diskio()
 659 {
 660         int devs_count,
 661             num_selected,
 662             num_selections;
 663         struct device_selection *dev_select = NULL;
 664         long select_generation;
 665         int dn;
 666         static struct statinfo  statinfo_cur;
 667         u_int64_t diskio_current = 0;
 668
 669         bzero(&statinfo_cur, sizeof (statinfo_cur));
 670         statinfo_cur.dinfo = (struct devinfo *)malloc(sizeof (struct devinfo));
 671         bzero(statinfo_cur.dinfo, sizeof (struct devinfo));
 672
 673         if (devstat_getdevs(NULL, &statinfo_cur) < 0)
 674                 return;
 675
 676         devs_count = statinfo_cur.dinfo->numdevs;
 677         if (devstat_selectdevs(&dev_select, &num_selected, &num_selections,
 678                         &select_generation, statinfo_cur.dinfo->generation,
 679                         statinfo_cur.dinfo->devices, devs_count, NULL, 0,
 680                         NULL, 0, DS_SELECT_ONLY, MAXSHOWDEVS, 1) >= 0) {
 681                 for (dn = 0; dn < devs_count; ++dn) {
 682                         int di;
 683                         struct devstat  *dev;
 684
 685                         di = dev_select[dn].position;
 686                         dev = &statinfo_cur.dinfo->devices[di];
 687
 688                         diskio_current += dev->bytes[DEVSTAT_READ] +
 689                                 dev->bytes[DEVSTAT_WRITE];
 690                 }
 691
 692                 free(dev_select);
 693         }
 694
 695         /*
 696          * Since we return (diskio_total_current - diskio_total_old), first
 697          * frame will be way too high (it will be equal to
 698          * diskio_total_current, i.e. all disk I/O since boot). That's why
 699          * it is better to return 0 first time;
 700          */
 701         if (diskio_setup == 0) {
 702                 diskio_setup = 1;
 703                 diskio_value = 0;
 704         } else
 705                 diskio_value = (unsigned int)((diskio_current - diskio_prev)/
 706                                 1024);
 707         diskio_prev = diskio_current;
 708
 709         free(statinfo_cur.dinfo);
 710 }
 711
 712 /*
 713  * While topless is obviously better, top is also not bad.
 714  */
 715
 716 int
 717 comparecpu(const void *a, const void *b)
 718 {
 719         if (((struct process *)a)->amount > ((struct process *)b)->amount)
 720                 return (-1);
 721
 722         if (((struct process *)a)->amount < ((struct process *)b)->amount)
 723                 return (1);
 724
 725         return (0);
 726 }
 727
 728 int
 729 comparemem(const void *a, const void *b)
 730 {
 731         if (((struct process *)a)->totalmem > ((struct process *)b)->totalmem)
 732                 return (-1);
 733
 734         if (((struct process *)a)->totalmem < ((struct process *)b)->totalmem)
 735                 return (1);
 736
 737         return (0);
 738 }
 739
 740 inline void
 741 proc_find_top(struct process **cpu, struct process **mem)
 742 {
 743         struct kinfo_proc *p;
 744         int n_processes;
 745         int i, j = 0;
 746         struct process *processes;
 747
 748         int total_pages;
 749
 750         /* we get total pages count again to be sure it is up to date */
 751         if (GETSYSCTL("vm.stats.vm.v_page_count", total_pages) != 0)
 752                 CRIT_ERR("Cannot read sysctl"
 753                         "\"vm.stats.vm.v_page_count\"");
 754
 755         p = kvm_getprocs(kd, KERN_PROC_PROC, 0, &n_processes);
 756         processes = malloc(n_processes * sizeof (struct process));
 757
 758         for (i = 0; i < n_processes; i++) {
 759                 if (!((p[i].ki_flag & P_SYSTEM)) &&
 760                                 p[i].ki_comm != NULL) {
 761                         processes[j].pid = p[i].ki_pid;
 762                         processes[j].name =  strdup(p[i].ki_comm);
 763                         processes[j].amount = 100.0 *
 764                                 p[i].ki_pctcpu / FSCALE;
 765                         processes[j].totalmem = (float)(p[i].ki_rssize /
 766                                         (float)total_pages) * 100.0;
 767                         j++;
 768                 }
 769         }
 770
 771         qsort(processes, j - 1, sizeof (struct process), comparemem);
 772         for (i = 0; i < 10 && i < n_processes; i++) {
 773                 struct process *tmp, *ttmp;
 774
 775                 tmp = malloc(sizeof (struct process));
 776                 tmp->pid = processes[i].pid;
 777                 tmp->amount = processes[i].amount;
 778                 tmp->totalmem = processes[i].totalmem;
 779                 tmp->name = strdup(processes[i].name);
 780
 781                 ttmp = mem[i];
 782                 mem[i] = tmp;
 783                 if (ttmp != NULL) {
 784                         free(ttmp->name);
 785                         free(ttmp);
 786                 }
 787         }
 788
 789         qsort(processes, j - 1, sizeof (struct process), comparecpu);
 790         for (i = 0; i < 10 && i < n_processes; i++) {
 791                 struct process *tmp, *ttmp;
 792
 793                 tmp = malloc(sizeof (struct process));
 794                 tmp->pid = processes[i].pid;
 795                 tmp->amount = processes[i].amount;
 796                 tmp->totalmem = processes[i].totalmem;
 797                 tmp->name = strdup(processes[i].name);
 798
 799                 ttmp = cpu[i];
 800                 cpu[i] = tmp;
 801                 if (ttmp != NULL) {
 802                         free(ttmp->name);
 803                         free(ttmp);
 804                 }
 805         }
 806
 807 #if defined(FREEBSD_DEBUG)
 808         printf("=====\nmem\n");
 809         for (i = 0; i < 10; i++) {
 810                 printf("%d: %s(%d) %.2f\n", i, mem[i]->name,
 811                                 mem[i]->pid, mem[i]->totalmem);
 812         }
 813 #endif
 814
 815         for (i = 0; i < j; free(processes[i++].name));
 816         free(processes);
 817 }
 818
 819 #if     defined(i386) || defined(__i386__)
 820 #define APMDEV          "/dev/apm"
 821 #define APM_UNKNOWN     255
 822
 823 int
 824 apm_getinfo(int fd, apm_info_t aip)
 825 {
 826         if (ioctl(fd, APMIO_GETINFO, aip) == -1)
 827                 return (-1);
 828
 829         return (0);
 830 }
 831
 832 char
 833 *get_apm_adapter()
 834 {
 835         int fd;
 836         struct apm_info info;
 837
 838         out = (char *)calloc(16, sizeof (char));
 839
 840         fd = open(APMDEV, O_RDONLY);
 841         if (fd < 0) {
 842                 strncpy(out, "ERR", 16);
 843                 return (out);
 844         }
 845
 846         if (apm_getinfo(fd, &info) != 0) {
 847                 close(fd);
 848                 strncpy(out, "ERR", 16);
 849                 return (out);
 850         }
 851         close(fd);
 852
 853         switch (info.ai_acline) {
 854                 case 0:
 855                         strncpy(out, "off-line", 16);
 856                         return (out);
 857                         break;
 858                 case 1:
 859                         if (info.ai_batt_stat == 3) {
 860                                 strncpy(out, "charging", 16);
 861                                 return (out);
 862                         } else {
 863                                 strncpy(out, "on-line", 16);
 864                                 return (out);
 865                         }
 866                         break;
 867                 default:
 868                         strncpy(out, "unknown", 16);
 869                         return (out);
 870                         break;
 871         }
 872 }
 873
 874 char
 875 *get_apm_battery_life()
 876 {
 877         int fd;
 878         u_int batt_life;
 879         struct apm_info info;
 880         char *out;
 881
 882         out = (char *)calloc(16, sizeof (char));
 883
 884         fd = open(APMDEV, O_RDONLY);
 885         if (fd < 0) {
 886                 strncpy(out, "ERR", 16);
 887                 return (out);
 888         }
 889
 890         if (apm_getinfo(fd, &info) != 0) {
 891                 close(fd);
 892                 strncpy(out, "ERR", 16);
 893                 return (out);
 894         }
 895         close(fd);
 896
 897         batt_life = info.ai_batt_life;
 898         if (batt_life == APM_UNKNOWN)
 899                 strncpy(out, "unknown", 16);
 900         else if (batt_life <= 100) {
 901                 snprintf(out, 16, "%d%%", batt_life);
 902                 return (out);
 903         } else
 904                 strncpy(out, "ERR", 16);
 905
 906         return (out);
 907 }
 908
 909 char
 910 *get_apm_battery_time()
 911 {
 912         int fd;
 913         int batt_time;
 914         int h, m, s;
 915         struct apm_info info;
 916         char *out;
 917
 918         out = (char *)calloc(16, sizeof (char));
 919
 920         fd = open(APMDEV, O_RDONLY);
 921         if (fd < 0) {
 922                 strncpy(out, "ERR", 16);
 923                 return (out);
 924         }
 925
 926         if (apm_getinfo(fd, &info) != 0) {
 927                 close(fd);
 928                 strncpy(out, "ERR", 16);
 929                 return (out);
 930         }
 931         close(fd);
 932
 933         batt_time = info.ai_batt_time;
 934
 935         if (batt_time == -1)
 936                 strncpy(out, "unknown", 16);
 937         else {
 938                 h = batt_time;
 939                 s = h % 60;
 940                 h /= 60;
 941                 m = h % 60;
 942                 h /= 60;
 943                 snprintf(out, 16, "%2d:%02d:%02d", h, m, s);
 944         }
 945
 946         return (out);
 947 }
 948
 949 #endif
 950
 951 void update_entropy (void)
 952 {
 953      /* mirrorbox: can you do anything equivalent in freebsd? -drphibes. */
 954 }
 955
 956 /* empty stub so conky links */
 957 void
 958 free_all_processes(void)
 959 {
 960 }