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 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)
 356 {
 357         int battime, batcapacity, batstate, ac;
 358
 359         if (GETSYSCTL("hw.acpi.battery.time", battime))
 360                 (void) fprintf(stderr,
 361                         "Cannot read sysctl \"hw.acpi.battery.time\"\n");
 362         if (GETSYSCTL("hw.acpi.battery.life", batcapacity))
 363                 (void) fprintf(stderr,
 364                                            "Cannot read sysctl \"hw.acpi.battery.life\"\n");
 365
 366         if (GETSYSCTL("hw.acpi.battery.state", batstate))
 367                 (void) fprintf(stderr,
 368                                            "Cannot read sysctl \"hw.acpi.battery.state\"\n");
 369
 370         if (GETSYSCTL("hw.acpi.acline", ac))
 371                 (void) fprintf(stderr,
 372                                            "Cannot read sysctl \"hw.acpi.acline\"\n");
 373
 374         if (batstate == 1) {
 375                 if (battime != -1)
 376                         snprintf(buf, n, "remaining %d%% (%d:%2.2d)",
 377                                         batcapacity, battime / 60, battime % 60);
 378                 else
 379                         /* no time estimate available yet */
 380                         snprintf(buf, n, "remaining %d%%",
 381                                         batcapacity);
 382                 if (ac == 1)
 383                         (void) fprintf(stderr, "Discharging while on AC!\n");
 384         } else {
 385                 snprintf(buf, n, batstate == 2 ? "charging (%d%%)" : "charged (%d%%)", batcapacity);
 386                 if (batstate != 2 && batstate != 0)
 387                         (void) fprintf(stderr, "Unknow battery state %d!\n", batstate);
 388                 if (ac == 0)
 389                         (void) fprintf(stderr, "Charging while not on AC!\n");
 390         }
 391
 392 }
 393
 394 int
 395 open_i2c_sensor(const char *dev, const char *type, int n, int *div,
 396                 char *devtype)
 397 {
 398         return (0);
 399 }
 400
 401 int
 402 open_acpi_temperature(const char *name)
 403 {
 404         return (0);
 405 }
 406
 407 void
 408 get_acpi_ac_adapter(char *p_client_buffer, size_t client_buffer_size)
 409 {
 410         int state;
 411
 412         if (!p_client_buffer || client_buffer_size <= 0)
 413                 return;
 414
 415         if (GETSYSCTL("hw.acpi.acline", state)) {
 416                 fprintf(stderr,
 417                         "Cannot read sysctl \"hw.acpi.acline\"\n");
 418                 return;
 419         }
 420
 421
 422         if (state)
 423                 strncpy(p_client_buffer, "Running on AC Power",
 424                                 client_buffer_size);
 425         else
 426                 strncpy(p_client_buffer, "Running on battery",
 427                                 client_buffer_size);
 428
 429 }
 430
 431 void
 432 get_acpi_fan(char *p_client_buffer, size_t client_buffer_size)
 433 {
 434         if (!p_client_buffer || client_buffer_size <= 0)
 435                 return;
 436
 437         /* not implemented */
 438         memset(p_client_buffer, 0, client_buffer_size);
 439 }
 440
 441 void
 442 get_adt746x_cpu(char *p_client_buffer, size_t client_buffer_size)
 443 {
 444         if (!p_client_buffer || client_buffer_size <= 0)
 445                 return;
 446
 447         /* not implemented */
 448         memset(p_client_buffer, 0, client_buffer_size);
 449 }
 450
 451 void
 452 get_adt746x_fan(char *p_client_buffer, size_t client_buffer_size)
 453 {
 454         if (!p_client_buffer || client_buffer_size <= 0)
 455                 return;
 456
 457         /* not implemented */
 458         memset(p_client_buffer, 0, client_buffer_size);
 459 }
 460
 461 /* rdtsc() and get_freq_dynamic() copied from linux.c */
 462
 463 #if  defined(__i386) || defined(__x86_64)
 464 __inline__ unsigned long long int
 465 rdtsc()
 466 {
 467         unsigned long long int x;
 468         __asm__ volatile(".byte 0x0f, 0x31":"=A" (x));
 469         return (x);
 470 }
 471 #endif
 472
 473 /* return system frequency in MHz (use divisor=1) or GHz (use divisor=1000) */
 474 void
 475 get_freq_dynamic(char *p_client_buffer, size_t client_buffer_size,
 476                 char *p_format, int divisor)
 477 {
 478 #if  defined(__i386) || defined(__x86_64)
 479         struct timezone tz;
 480         struct timeval tvstart, tvstop;
 481         unsigned long long cycles[2];   /* gotta be 64 bit */
 482         unsigned int microseconds;      /* total time taken */
 483
 484         memset(&tz, 0, sizeof (tz));
 485
 486         /* get this function in cached memory */
 487         gettimeofday(&tvstart, &tz);
 488         cycles[0] = rdtsc();
 489         gettimeofday(&tvstart, &tz);
 490
 491         /* we don't trust that this is any specific length of time */
 492         usleep(100);
 493         cycles[1] = rdtsc();
 494         gettimeofday(&tvstop, &tz);
 495         microseconds = ((tvstop.tv_sec - tvstart.tv_sec) * 1000000) +
 496                 (tvstop.tv_usec - tvstart.tv_usec);
 497
 498         snprintf(p_client_buffer, client_buffer_size, p_format,
 499                 (float)((cycles[1] - cycles[0]) / microseconds) / divisor);
 500 #else
 501         get_freq(p_client_buffer, client_buffer_size, p_format, divisor);
 502 #endif
 503 }
 504
 505 /*void*/
 506 char
 507 get_freq(char *p_client_buffer, size_t client_buffer_size,
 508                 char *p_format, int divisor, unsigned int cpu)
 509 {
 510         int freq;
 511         char *freq_sysctl;
 512
 513         freq_sysctl = (char *)calloc(16, sizeof(char));
 514         if (freq_sysctl == NULL)
 515                 exit(-1);
 516
 517         snprintf(freq_sysctl, 16, "dev.cpu.%d.freq", cpu);
 518
 519         if (!p_client_buffer || client_buffer_size <= 0 ||
 520                         !p_format || divisor <= 0)
 521                 return 0;
 522
 523         if (GETSYSCTL(freq_sysctl, freq) == 0)
 524                 snprintf(p_client_buffer, client_buffer_size,
 525                                 p_format, (float)freq/divisor);
 526         else
 527                 snprintf(p_client_buffer, client_buffer_size, p_format, 0.0f);
 528
 529         free(freq_sysctl);
 530         return 1;
 531 }
 532
 533 void
 534 update_top()
 535 {
 536         proc_find_top(info.cpu, info.memu);
 537 }
 538
 539 void
 540 update_wifi_stats()
 541 {
 542         struct ifreq ifr;               /* interface stats */
 543         struct wi_req wireq;
 544         struct net_stat * ns;
 545         struct ifaddrs *ifap, *ifa;
 546         struct ifmediareq ifmr;
 547         int s;
 548
 549         /*
 550          * Get iface table
 551          */
 552         if (getifaddrs(&ifap) < 0)
 553                 return;
 554
 555         for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
 556                 ns = get_net_stat((const char *) ifa->ifa_name);
 557
 558                 s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
 559
 560                 /* Get media type */
 561                 bzero(&ifmr, sizeof(ifmr));
 562                 strlcpy(ifmr.ifm_name, ifa->ifa_name, IFNAMSIZ);
 563                 if (ioctl(s, SIOCGIFMEDIA, (caddr_t) &ifmr) < 0)
 564                         goto cleanup;
 565
 566                 /*
 567                  * We can monitor only wireless interfaces
 568                  * which not in hostap mode
 569                  */
 570                 if ((ifmr.ifm_active & IFM_IEEE80211) &&
 571                                 !(ifmr.ifm_active & IFM_IEEE80211_HOSTAP)) {
 572                         /* Get wi status */
 573                         bzero(&ifr, sizeof(ifr));
 574                         strlcpy(ifr.ifr_name, ifa->ifa_name, IFNAMSIZ);
 575                         wireq.wi_type   = WI_RID_COMMS_QUALITY;
 576                         wireq.wi_len    = WI_MAX_DATALEN;
 577                         ifr.ifr_data    = (void *) &wireq;
 578
 579                         if (ioctl(s, SIOCGWAVELAN, (caddr_t) &ifr) < 0) {
 580                                 perror("ioctl (getting wi status)");
 581                                 exit(1);
 582                         }
 583
 584                         /*
 585                          * wi_val[0] = quality
 586                          * wi_val[1] = signal
 587                          * wi_val[2] = noise
 588                          */
 589                         ns->linkstatus = (int) wireq.wi_val[1];
 590                 }
 591 cleanup:
 592                 close(s);
 593         }
 594 }
 595 void
 596 update_diskio()
 597 {
 598         int devs_count,
 599             num_selected,
 600             num_selections;
 601         struct device_selection *dev_select = NULL;
 602         long select_generation;
 603         int dn;
 604         static struct statinfo  statinfo_cur;
 605         u_int64_t diskio_current = 0;
 606
 607         bzero(&statinfo_cur, sizeof (statinfo_cur));
 608         statinfo_cur.dinfo = (struct devinfo *)malloc(sizeof (struct devinfo));
 609         bzero(statinfo_cur.dinfo, sizeof (struct devinfo));
 610
 611         if (devstat_getdevs(NULL, &statinfo_cur) < 0)
 612                 return;
 613
 614         devs_count = statinfo_cur.dinfo->numdevs;
 615         if (devstat_selectdevs(&dev_select, &num_selected, &num_selections,
 616                         &select_generation, statinfo_cur.dinfo->generation,
 617                         statinfo_cur.dinfo->devices, devs_count, NULL, 0,
 618                         NULL, 0, DS_SELECT_ONLY, MAXSHOWDEVS, 1) >= 0) {
 619                 for (dn = 0; dn < devs_count; ++dn) {
 620                         int di;
 621                         struct devstat  *dev;
 622
 623                         di = dev_select[dn].position;
 624                         dev = &statinfo_cur.dinfo->devices[di];
 625
 626                         diskio_current += dev->bytes[DEVSTAT_READ] +
 627                                 dev->bytes[DEVSTAT_WRITE];
 628                 }
 629
 630                 free(dev_select);
 631         }
 632
 633         /*
 634          * Since we return (diskio_total_current - diskio_total_old), first
 635          * frame will be way too high (it will be equal to
 636          * diskio_total_current, i.e. all disk I/O since boot). That's why
 637          * it is better to return 0 first time;
 638          */
 639         if (diskio_setup == 0) {
 640                 diskio_setup = 1;
 641                 diskio_value = 0;
 642         } else
 643                 diskio_value = (unsigned int)((diskio_current - diskio_prev)/
 644                                 1024);
 645         diskio_prev = diskio_current;
 646
 647         free(statinfo_cur.dinfo);
 648 }
 649
 650 /*
 651  * While topless is obviously better, top is also not bad.
 652  */
 653
 654 int
 655 comparecpu(const void *a, const void *b)
 656 {
 657         if (((struct process *)a)->amount > ((struct process *)b)->amount)
 658                 return (-1);
 659
 660         if (((struct process *)a)->amount < ((struct process *)b)->amount)
 661                 return (1);
 662
 663         return (0);
 664 }
 665
 666 int
 667 comparemem(const void *a, const void *b)
 668 {
 669         if (((struct process *)a)->totalmem > ((struct process *)b)->totalmem)
 670                 return (-1);
 671
 672         if (((struct process *)a)->totalmem < ((struct process *)b)->totalmem)
 673                 return (1);
 674
 675         return (0);
 676 }
 677
 678 inline void
 679 proc_find_top(struct process **cpu, struct process **mem)
 680 {
 681         struct kinfo_proc *p;
 682         int n_processes;
 683         int i, j = 0;
 684         struct process *processes;
 685
 686         int total_pages;
 687
 688         /* we get total pages count again to be sure it is up to date */
 689         if (GETSYSCTL("vm.stats.vm.v_page_count", total_pages) != 0)
 690                 CRIT_ERR("Cannot read sysctl"
 691                         "\"vm.stats.vm.v_page_count\"");
 692
 693         p = kvm_getprocs(kd, KERN_PROC_PROC, 0, &n_processes);
 694         processes = malloc(n_processes * sizeof (struct process));
 695
 696         for (i = 0; i < n_processes; i++) {
 697                 if (!((p[i].ki_flag & P_SYSTEM)) &&
 698                                 p[i].ki_comm != NULL) {
 699                         processes[j].pid = p[i].ki_pid;
 700                         processes[j].name =  strdup(p[i].ki_comm);
 701                         processes[j].amount = 100.0 *
 702                                 p[i].ki_pctcpu / FSCALE;
 703                         processes[j].totalmem = (float)(p[i].ki_rssize /
 704                                         (float)total_pages) * 100.0;
 705                         j++;
 706                 }
 707         }
 708
 709         qsort(processes, j - 1, sizeof (struct process), comparemem);
 710         for (i = 0; i < 10; i++) {
 711                 struct process *tmp, *ttmp;
 712
 713                 tmp = malloc(sizeof (struct process));
 714                 tmp->pid = processes[i].pid;
 715                 tmp->amount = processes[i].amount;
 716                 tmp->totalmem = processes[i].totalmem;
 717                 tmp->name = strdup(processes[i].name);
 718
 719                 ttmp = mem[i];
 720                 mem[i] = tmp;
 721                 if (ttmp != NULL) {
 722                         free(ttmp->name);
 723                         free(ttmp);
 724                 }
 725         }
 726
 727         qsort(processes, j - 1, sizeof (struct process), comparecpu);
 728         for (i = 0; i < 10; i++) {
 729                 struct process *tmp, *ttmp;
 730
 731                 tmp = malloc(sizeof (struct process));
 732                 tmp->pid = processes[i].pid;
 733                 tmp->amount = processes[i].amount;
 734                 tmp->totalmem = processes[i].totalmem;
 735                 tmp->name = strdup(processes[i].name);
 736
 737                 ttmp = cpu[i];
 738                 cpu[i] = tmp;
 739                 if (ttmp != NULL) {
 740                         free(ttmp->name);
 741                         free(ttmp);
 742                 }
 743         }
 744
 745 #if defined(FREEBSD_DEBUG)
 746         printf("=====\nmem\n");
 747         for (i = 0; i < 10; i++) {
 748                 printf("%d: %s(%d) %.2f\n", i, mem[i]->name,
 749                                 mem[i]->pid, mem[i]->totalmem);
 750         }
 751 #endif
 752
 753         for (i = 0; i < j; free(processes[i++].name));
 754         free(processes);
 755 }
 756
 757 #if     defined(i386) || defined(__i386__)
 758 #define APMDEV          "/dev/apm"
 759 #define APM_UNKNOWN     255
 760
 761 int
 762 apm_getinfo(int fd, apm_info_t aip)
 763 {
 764         if (ioctl(fd, APMIO_GETINFO, aip) == -1)
 765                 return (-1);
 766
 767         return (0);
 768 }
 769
 770 char
 771 *get_apm_adapter()
 772 {
 773         int fd;
 774         struct apm_info info;
 775
 776         fd = open(APMDEV, O_RDONLY);
 777         if (fd < 0)
 778                 return ("ERR");
 779
 780         if (apm_getinfo(fd, &info) != 0) {
 781                 close(fd);
 782                 return ("ERR");
 783         }
 784         close(fd);
 785
 786         switch (info.ai_acline) {
 787                 case 0:
 788                         return ("off-line");
 789                         break;
 790                 case 1:
 791                         if (info.ai_batt_stat == 3)
 792                                 return ("charging");
 793                         else
 794                                 return ("on-line");
 795                         break;
 796                 default:
 797                         return ("unknown");
 798                         break;
 799         }
 800 }
 801
 802 char
 803 *get_apm_battery_life()
 804 {
 805         int fd;
 806         u_int batt_life;
 807         struct apm_info info;
 808         char *out;
 809
 810         out = (char *)calloc(16, sizeof (char));
 811
 812         fd = open(APMDEV, O_RDONLY);
 813         if (fd < 0) {
 814                 strncpy(out, "ERR", 16);
 815                 return (out);
 816         }
 817
 818         if (apm_getinfo(fd, &info) != 0) {
 819                 close(fd);
 820                 strncpy(out, "ERR", 16);
 821                 return (out);
 822         }
 823         close(fd);
 824
 825         batt_life = info.ai_batt_life;
 826         if (batt_life == APM_UNKNOWN)
 827                 strncpy(out, "unknown", 16);
 828         else if (batt_life <= 100) {
 829                 snprintf(out, 16, "%d%%", batt_life);
 830                 return (out);
 831         } else
 832                 strncpy(out, "ERR", 16);
 833
 834         return (out);
 835 }
 836
 837 char
 838 *get_apm_battery_time()
 839 {
 840         int fd;
 841         int batt_time;
 842         int h, m, s;
 843         struct apm_info info;
 844         char *out;
 845
 846         out = (char *)calloc(16, sizeof (char));
 847
 848         fd = open(APMDEV, O_RDONLY);
 849         if (fd < 0) {
 850                 strncpy(out, "ERR", 16);
 851                 return (out);
 852         }
 853
 854         if (apm_getinfo(fd, &info) != 0) {
 855                 close(fd);
 856                 strncpy(out, "ERR", 16);
 857                 return (out);
 858         }
 859         close(fd);
 860
 861         batt_time = info.ai_batt_time;
 862
 863         if (batt_time == -1)
 864                 strncpy(out, "unknown", 16);
 865         else {
 866                 h = batt_time;
 867                 s = h % 60;
 868                 h /= 60;
 869                 m = h % 60;
 870                 h /= 60;
 871                 snprintf(out, 16, "%2d:%02d:%02d", h, m, s);
 872         }
 873
 874         return (out);
 875 }
 876
 877 #endif
 878
 879 void update_entropy (void)
 880 {
 881      /* mirrorbox: can you do anything equivalent in freebsd? -drphibes. */
 882 }
 883
 884 /* empty stub so conky links */
 885 void
 886 free_all_processes(void)
 887 {
 888 }