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         if (cpu_setup == 0) {
 293                 get_cpu_count();
 294                 cpu_setup = 1;
 295         }
 296
 297         if (sysctlbyname("kern.cp_time", &cp_time, &len, NULL, 0) < 0) {
 298                 (void) fprintf(stderr, "Cannot get kern.cp_time");
 299         }
 300
 301         fresh.load[0] = cp_time[CP_USER];
 302         fresh.load[1] = cp_time[CP_NICE];
 303         fresh.load[2] = cp_time[CP_SYS];
 304         fresh.load[3] = cp_time[CP_IDLE];
 305         fresh.load[4] = cp_time[CP_IDLE];
 306
 307         used = fresh.load[0] + fresh.load[1] + fresh.load[2];
 308         total =
 309             fresh.load[0] + fresh.load[1] + fresh.load[2] + fresh.load[3];
 310
 311         if ((total - oldtotal) != 0) {
 312                 info.cpu_usage[0] = ((double) (used - oldused)) /
 313                         (double) (total - oldtotal);
 314         } else {
 315                 info.cpu_usage[0] = 0;
 316         }
 317
 318         oldused = used;
 319         oldtotal = total;
 320 }
 321
 322 double
 323 get_i2c_info(int *fd, int arg, char *devtype, char *type)
 324 {
 325         return (0);
 326 }
 327
 328 void
 329 update_load_average()
 330 {
 331         double v[3];
 332         getloadavg(v, 3);
 333
 334         info.loadavg[0] = (float) v[0];
 335         info.loadavg[1] = (float) v[1];
 336         info.loadavg[2] = (float) v[2];
 337 }
 338
 339 double
 340 get_acpi_temperature(int fd)
 341 {
 342         int temp;
 343
 344         if (GETSYSCTL("hw.acpi.thermal.tz0.temperature", temp)) {
 345                 fprintf(stderr,
 346                 "Cannot read sysctl \"hw.acpi.thermal.tz0.temperature\"\n");
 347                 return (0.0);
 348         }
 349
 350         return (KELVTOC(temp));
 351 }
 352
 353 void
 354 get_battery_stuff(char *buf, unsigned int n, const char *bat)
 355 {
 356         int battime, batcapacity, batstate, ac;
 357
 358         if (GETSYSCTL("hw.acpi.battery.time", battime))
 359                 (void) fprintf(stderr,
 360                         "Cannot read sysctl \"hw.acpi.battery.time\"\n");
 361         if (GETSYSCTL("hw.acpi.battery.life", batcapacity))
 362                 (void) fprintf(stderr,
 363                                            "Cannot read sysctl \"hw.acpi.battery.life\"\n");
 364
 365         if (GETSYSCTL("hw.acpi.battery.state", batstate))
 366                 (void) fprintf(stderr,
 367                                            "Cannot read sysctl \"hw.acpi.battery.state\"\n");
 368
 369         if (GETSYSCTL("hw.acpi.acline", ac))
 370                 (void) fprintf(stderr,
 371                                            "Cannot read sysctl \"hw.acpi.acline\"\n");
 372
 373         if (batstate == 1) {
 374                 if (battime != -1)
 375                         snprintf(buf, n, "remaining %d%% (%d:%2.2d)",
 376                                         batcapacity, battime / 60, battime % 60);
 377                 else
 378                         /* no time estimate available yet */
 379                         snprintf(buf, n, "remaining %d%%",
 380                                         batcapacity);
 381                 if (ac == 1)
 382                         (void) fprintf(stderr, "Discharging while on AC!\n");
 383         } else {
 384                 snprintf(buf, n, batstate == 2 ? "charging (%d%%)" : "charged (%d%%)", batcapacity);
 385                 if (batstate != 2 && batstate != 0)
 386                         (void) fprintf(stderr, "Unknow battery state %d!\n", batstate);
 387                 if (ac == 0)
 388                         (void) fprintf(stderr, "Charging while not on AC!\n");
 389         }
 390
 391 }
 392
 393 int
 394 open_i2c_sensor(const char *dev, const char *type, int n, int *div,
 395                 char *devtype)
 396 {
 397         return (0);
 398 }
 399
 400 int
 401 open_acpi_temperature(const char *name)
 402 {
 403         return (0);
 404 }
 405
 406 void
 407 get_acpi_ac_adapter(char *p_client_buffer, size_t client_buffer_size)
 408 {
 409         int state;
 410
 411         if (!p_client_buffer || client_buffer_size <= 0)
 412                 return;
 413
 414         if (GETSYSCTL("hw.acpi.acline", state)) {
 415                 fprintf(stderr,
 416                         "Cannot read sysctl \"hw.acpi.acline\"\n");
 417                 return;
 418         }
 419
 420
 421         if (state)
 422                 strncpy(p_client_buffer, "Running on AC Power",
 423                                 client_buffer_size);
 424         else
 425                 strncpy(p_client_buffer, "Running on battery",
 426                                 client_buffer_size);
 427
 428 }
 429
 430 void
 431 get_acpi_fan(char *p_client_buffer, size_t client_buffer_size)
 432 {
 433         if (!p_client_buffer || client_buffer_size <= 0)
 434                 return;
 435
 436         /* not implemented */
 437         memset(p_client_buffer, 0, client_buffer_size);
 438 }
 439
 440 void
 441 get_adt746x_cpu(char *p_client_buffer, size_t client_buffer_size)
 442 {
 443         if (!p_client_buffer || client_buffer_size <= 0)
 444                 return;
 445
 446         /* not implemented */
 447         memset(p_client_buffer, 0, client_buffer_size);
 448 }
 449
 450 void
 451 get_adt746x_fan(char *p_client_buffer, size_t client_buffer_size)
 452 {
 453         if (!p_client_buffer || client_buffer_size <= 0)
 454                 return;
 455
 456         /* not implemented */
 457         memset(p_client_buffer, 0, client_buffer_size);
 458 }
 459
 460 /* rdtsc() and get_freq_dynamic() copied from linux.c */
 461
 462 #if  defined(__i386) || defined(__x86_64)
 463 __inline__ unsigned long long int
 464 rdtsc()
 465 {
 466         unsigned long long int x;
 467         __asm__ volatile(".byte 0x0f, 0x31":"=A" (x));
 468         return (x);
 469 }
 470 #endif
 471
 472 /* return system frequency in MHz (use divisor=1) or GHz (use divisor=1000) */
 473 void
 474 get_freq_dynamic(char *p_client_buffer, size_t client_buffer_size,
 475                 char *p_format, int divisor)
 476 {
 477 #if  defined(__i386) || defined(__x86_64)
 478         struct timezone tz;
 479         struct timeval tvstart, tvstop;
 480         unsigned long long cycles[2];   /* gotta be 64 bit */
 481         unsigned int microseconds;      /* total time taken */
 482
 483         memset(&tz, 0, sizeof (tz));
 484
 485         /* get this function in cached memory */
 486         gettimeofday(&tvstart, &tz);
 487         cycles[0] = rdtsc();
 488         gettimeofday(&tvstart, &tz);
 489
 490         /* we don't trust that this is any specific length of time */
 491         usleep(100);
 492         cycles[1] = rdtsc();
 493         gettimeofday(&tvstop, &tz);
 494         microseconds = ((tvstop.tv_sec - tvstart.tv_sec) * 1000000) +
 495                 (tvstop.tv_usec - tvstart.tv_usec);
 496
 497         snprintf(p_client_buffer, client_buffer_size, p_format,
 498                 (float)((cycles[1] - cycles[0]) / microseconds) / divisor);
 499 #else
 500         get_freq(p_client_buffer, client_buffer_size, p_format, divisor);
 501 #endif
 502 }
 503
 504 /*void*/
 505 char
 506 get_freq(char *p_client_buffer, size_t client_buffer_size,
 507                 char *p_format, int divisor, unsigned int cpu)
 508 {
 509         int freq;
 510         char *freq_sysctl;
 511
 512         freq_sysctl = (char *)calloc(16, sizeof(char));
 513         if (freq_sysctl == NULL)
 514                 exit(-1);
 515
 516         snprintf(freq_sysctl, 16, "dev.cpu.%d.freq", cpu);
 517
 518         if (!p_client_buffer || client_buffer_size <= 0 ||
 519                         !p_format || divisor <= 0)
 520                 return 0;
 521
 522         if (GETSYSCTL(freq_sysctl, freq) == 0)
 523                 snprintf(p_client_buffer, client_buffer_size,
 524                                 p_format, (float)freq/divisor);
 525         else
 526                 snprintf(p_client_buffer, client_buffer_size, p_format, 0.0f);
 527
 528         free(freq_sysctl);
 529         return 1;
 530 }
 531
 532 void
 533 update_top()
 534 {
 535         proc_find_top(info.cpu, info.memu);
 536 }
 537
 538 void
 539 update_wifi_stats()
 540 {
 541         struct ifreq ifr;               /* interface stats */
 542         struct wi_req wireq;
 543         struct net_stat * ns;
 544         struct ifaddrs *ifap, *ifa;
 545         struct ifmediareq ifmr;
 546         int s;
 547
 548         /*
 549          * Get iface table
 550          */
 551         if (getifaddrs(&ifap) < 0)
 552                 return;
 553
 554         for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
 555                 ns = get_net_stat((const char *) ifa->ifa_name);
 556
 557                 if (!strcmp(ifa->ifa_name, "lo0") ||
 558                         !strncmp(ifa->ifa_name, "fwe", 3) ||
 559                         !strncmp(ifa->ifa_name, "tun", 3))
 560                         continue;
 561
 562                 s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
 563
 564                 /* Get media type */
 565                 bzero(&ifmr, sizeof(ifmr));
 566                 strlcpy(ifmr.ifm_name, ifa->ifa_name, IFNAMSIZ);
 567                 if (ioctl(s, SIOCGIFMEDIA, (caddr_t) &ifmr) < 0) {
 568                         perror("ioctl (getting media type)");
 569                         exit(1);
 570                 }
 571                 /*
 572                  * We can monitor only wireless interfaces
 573                  * which not in hostap mode
 574                  */
 575                 if ((ifmr.ifm_active & IFM_IEEE80211) &&
 576                                 !(ifmr.ifm_active & IFM_IEEE80211_HOSTAP)) {
 577                         /* Get wi status */
 578                         bzero(&ifr, sizeof(ifr));
 579                         strlcpy(ifr.ifr_name, ifa->ifa_name, IFNAMSIZ);
 580                         wireq.wi_type   = WI_RID_COMMS_QUALITY;
 581                         wireq.wi_len    = WI_MAX_DATALEN;
 582                         ifr.ifr_data    = (void *) &wireq;
 583
 584                         if (ioctl(s, SIOCGWAVELAN, (caddr_t) &ifr) < 0) {
 585                                 perror("ioctl (getting wi status)");
 586                                 exit(1);
 587                         }
 588
 589                         /*
 590                          * wi_val[0] = quality
 591                          * wi_val[1] = signal
 592                          * wi_val[2] = noise
 593                          */
 594                         ns->linkstatus = (int) wireq.wi_val[1];
 595                 }
 596
 597                 close(s);
 598         }
 599 }
 600 void
 601 update_diskio()
 602 {
 603         int devs_count,
 604             num_selected,
 605             num_selections;
 606         struct device_selection *dev_select = NULL;
 607         long select_generation;
 608         int dn;
 609         static struct statinfo  statinfo_cur;
 610         u_int64_t diskio_current = 0;
 611
 612         bzero(&statinfo_cur, sizeof (statinfo_cur));
 613         statinfo_cur.dinfo = (struct devinfo *)malloc(sizeof (struct devinfo));
 614         bzero(statinfo_cur.dinfo, sizeof (struct devinfo));
 615
 616         if (devstat_getdevs(NULL, &statinfo_cur) < 0)
 617                 return;
 618
 619         devs_count = statinfo_cur.dinfo->numdevs;
 620         if (devstat_selectdevs(&dev_select, &num_selected, &num_selections,
 621                         &select_generation, statinfo_cur.dinfo->generation,
 622                         statinfo_cur.dinfo->devices, devs_count, NULL, 0,
 623                         NULL, 0, DS_SELECT_ONLY, MAXSHOWDEVS, 1) >= 0) {
 624                 for (dn = 0; dn < devs_count; ++dn) {
 625                         int di;
 626                         struct devstat  *dev;
 627
 628                         di = dev_select[dn].position;
 629                         dev = &statinfo_cur.dinfo->devices[di];
 630
 631                         diskio_current += dev->bytes[DEVSTAT_READ] +
 632                                 dev->bytes[DEVSTAT_WRITE];
 633                 }
 634
 635                 free(dev_select);
 636         }
 637
 638         /*
 639          * Since we return (diskio_total_current - diskio_total_old), first
 640          * frame will be way too high (it will be equal to
 641          * diskio_total_current, i.e. all disk I/O since boot). That's why
 642          * it is better to return 0 first time;
 643          */
 644         if (diskio_setup == 0) {
 645                 diskio_setup = 1;
 646                 diskio_value = 0;
 647         } else
 648                 diskio_value = (unsigned int)((diskio_current - diskio_prev)/
 649                                 1024);
 650         diskio_prev = diskio_current;
 651
 652         free(statinfo_cur.dinfo);
 653 }
 654
 655 /*
 656  * While topless is obviously better, top is also not bad.
 657  */
 658
 659 int
 660 comparecpu(const void *a, const void *b)
 661 {
 662         if (((struct process *)a)->amount > ((struct process *)b)->amount)
 663                 return (-1);
 664
 665         if (((struct process *)a)->amount < ((struct process *)b)->amount)
 666                 return (1);
 667
 668         return (0);
 669 }
 670
 671 int
 672 comparemem(const void *a, const void *b)
 673 {
 674         if (((struct process *)a)->totalmem > ((struct process *)b)->totalmem)
 675                 return (-1);
 676
 677         if (((struct process *)a)->totalmem < ((struct process *)b)->totalmem)
 678                 return (1);
 679
 680         return (0);
 681 }
 682
 683 inline void
 684 proc_find_top(struct process **cpu, struct process **mem)
 685 {
 686         struct kinfo_proc *p;
 687         int n_processes;
 688         int i, j = 0;
 689         struct process *processes;
 690
 691         int total_pages;
 692
 693         /* we get total pages count again to be sure it is up to date */
 694         if (GETSYSCTL("vm.stats.vm.v_page_count", total_pages) != 0)
 695                 CRIT_ERR("Cannot read sysctl"
 696                         "\"vm.stats.vm.v_page_count\"");
 697
 698         p = kvm_getprocs(kd, KERN_PROC_PROC, 0, &n_processes);
 699         processes = malloc(n_processes * sizeof (struct process));
 700
 701         for (i = 0; i < n_processes; i++) {
 702                 if (!((p[i].ki_flag & P_SYSTEM)) &&
 703                                 p[i].ki_comm != NULL) {
 704                         processes[j].pid = p[i].ki_pid;
 705                         processes[j].name =  strdup(p[i].ki_comm);
 706                         processes[j].amount = 100.0 *
 707                                 p[i].ki_pctcpu / FSCALE;
 708                         processes[j].totalmem = (float)(p[i].ki_rssize /
 709                                         (float)total_pages) * 100.0;
 710                         j++;
 711                 }
 712         }
 713
 714         qsort(processes, j - 1, sizeof (struct process), comparemem);
 715         for (i = 0; i < 10; i++) {
 716                 struct process *tmp, *ttmp;
 717
 718                 tmp = malloc(sizeof (struct process));
 719                 tmp->pid = processes[i].pid;
 720                 tmp->amount = processes[i].amount;
 721                 tmp->totalmem = processes[i].totalmem;
 722                 tmp->name = strdup(processes[i].name);
 723
 724                 ttmp = mem[i];
 725                 mem[i] = tmp;
 726                 if (ttmp != NULL) {
 727                         free(ttmp->name);
 728                         free(ttmp);
 729                 }
 730         }
 731
 732         qsort(processes, j - 1, sizeof (struct process), comparecpu);
 733         for (i = 0; i < 10; i++) {
 734                 struct process *tmp, *ttmp;
 735
 736                 tmp = malloc(sizeof (struct process));
 737                 tmp->pid = processes[i].pid;
 738                 tmp->amount = processes[i].amount;
 739                 tmp->totalmem = processes[i].totalmem;
 740                 tmp->name = strdup(processes[i].name);
 741
 742                 ttmp = cpu[i];
 743                 cpu[i] = tmp;
 744                 if (ttmp != NULL) {
 745                         free(ttmp->name);
 746                         free(ttmp);
 747                 }
 748         }
 749
 750 #if defined(FREEBSD_DEBUG)
 751         printf("=====\nmem\n");
 752         for (i = 0; i < 10; i++) {
 753                 printf("%d: %s(%d) %.2f\n", i, mem[i]->name,
 754                                 mem[i]->pid, mem[i]->totalmem);
 755         }
 756 #endif
 757
 758         for (i = 0; i < j; free(processes[i++].name));
 759         free(processes);
 760 }
 761
 762 #if     defined(i386) || defined(__i386__)
 763 #define APMDEV          "/dev/apm"
 764 #define APM_UNKNOWN     255
 765
 766 int
 767 apm_getinfo(int fd, apm_info_t aip)
 768 {
 769         if (ioctl(fd, APMIO_GETINFO, aip) == -1)
 770                 return (-1);
 771
 772         return (0);
 773 }
 774
 775 char
 776 *get_apm_adapter()
 777 {
 778         int fd;
 779         struct apm_info info;
 780
 781         fd = open(APMDEV, O_RDONLY);
 782         if (fd < 0)
 783                 return ("ERR");
 784
 785         if (apm_getinfo(fd, &info) != 0) {
 786                 close(fd);
 787                 return ("ERR");
 788         }
 789         close(fd);
 790
 791         switch (info.ai_acline) {
 792                 case 0:
 793                         return ("off-line");
 794                         break;
 795                 case 1:
 796                         if (info.ai_batt_stat == 3)
 797                                 return ("charging");
 798                         else
 799                                 return ("on-line");
 800                         break;
 801                 default:
 802                         return ("unknown");
 803                         break;
 804         }
 805 }
 806
 807 char
 808 *get_apm_battery_life()
 809 {
 810         int fd;
 811         u_int batt_life;
 812         struct apm_info info;
 813         char *out;
 814
 815         out = (char *)calloc(16, sizeof (char));
 816
 817         fd = open(APMDEV, O_RDONLY);
 818         if (fd < 0) {
 819                 strncpy(out, "ERR", 16);
 820                 return (out);
 821         }
 822
 823         if (apm_getinfo(fd, &info) != 0) {
 824                 close(fd);
 825                 strncpy(out, "ERR", 16);
 826                 return (out);
 827         }
 828         close(fd);
 829
 830         batt_life = info.ai_batt_life;
 831         if (batt_life == APM_UNKNOWN)
 832                 strncpy(out, "unknown", 16);
 833         else if (batt_life <= 100) {
 834                 snprintf(out, 16, "%d%%", batt_life);
 835                 return (out);
 836         } else
 837                 strncpy(out, "ERR", 16);
 838
 839         return (out);
 840 }
 841
 842 char
 843 *get_apm_battery_time()
 844 {
 845         int fd;
 846         int batt_time;
 847         int h, m, s;
 848         struct apm_info info;
 849         char *out;
 850
 851         out = (char *)calloc(16, sizeof (char));
 852
 853         fd = open(APMDEV, O_RDONLY);
 854         if (fd < 0) {
 855                 strncpy(out, "ERR", 16);
 856                 return (out);
 857         }
 858
 859         if (apm_getinfo(fd, &info) != 0) {
 860                 close(fd);
 861                 strncpy(out, "ERR", 16);
 862                 return (out);
 863         }
 864         close(fd);
 865
 866         batt_time = info.ai_batt_time;
 867
 868         if (batt_time == -1)
 869                 strncpy(out, "unknown", 16);
 870         else {
 871                 h = batt_time;
 872                 s = h % 60;
 873                 h /= 60;
 874                 m = h % 60;
 875                 h /= 60;
 876                 snprintf(out, 16, "%2d:%02d:%02d", h, m, s);
 877         }
 878
 879         return (out);
 880 }
 881
 882 #endif
 883
 884 /* empty stub so conky links */
 885 void
 886 free_all_processes(void)
 887 {
 888 }