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

   1 /* Conky, a system monitor, based on torsmo
   2  *
   3  * Any original torsmo code is licensed under the BSD license
   4  *
   5  * All code written since the fork of torsmo is licensed under the GPL
   6  *
   7  * Please see COPYING for details
   8  *
   9  * Copyright (c) 2005-2008 Brenden Matthews, Philip Kovacs, et. al.
  10  *      (see AUTHORS)
  11  * All rights reserved.
  12  *
  13  * This program is free software: you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation, either version 3 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24  *
  25  * $Id$ */
  26
  27 #include <sys/dkstat.h>
  28 #include <sys/param.h>
  29 #include <sys/resource.h>
  30 #include <sys/socket.h>
  31 #include <sys/sysctl.h>
  32 #include <sys/time.h>
  33 #include <sys/types.h>
  34 #include <sys/vmmeter.h>
  35 #include <sys/user.h>
  36 #include <sys/ioctl.h>
  37
  38 #include <net/if.h>
  39 #include <net/if_mib.h>
  40 #include <net/if_media.h>
  41 #include <net/if_var.h>
  42 #include <netinet/in.h>
  43
  44 #include <devstat.h>
  45 #include <fcntl.h>
  46 #include <ifaddrs.h>
  47 #include <limits.h>
  48 #include <unistd.h>
  49
  50 #include <dev/wi/if_wavelan_ieee.h>
  51
  52 #include "conky.h"
  53
  54 #define GETSYSCTL(name, var)    getsysctl(name, &(var), sizeof(var))
  55 #define KELVTOC(x)                              ((x - 2732) / 10.0)
  56 #define MAXSHOWDEVS                             16
  57
  58 #if 0
  59 #define FREEBSD_DEBUG
  60 #endif
  61
  62 inline void proc_find_top(struct process **cpu, struct process **mem);
  63
  64 u_int64_t diskio_prev = 0;
  65 static short cpu_setup = 0;
  66 static short diskio_setup = 0;
  67
  68 static int getsysctl(char *name, void *ptr, size_t len)
  69 {
  70         size_t nlen = len;
  71
  72         if (sysctlbyname(name, ptr, &nlen, NULL, 0) == -1) {
  73                 return -1;
  74         }
  75
  76         if (nlen != len) {
  77                 return -1;
  78         }
  79
  80         return 0;
  81 }
  82
  83 struct ifmibdata *data = NULL;
  84 size_t len = 0;
  85
  86 static int swapmode(unsigned long *retavail, unsigned long *retfree)
  87 {
  88         int n;
  89         unsigned long pagesize = getpagesize();
  90         struct kvm_swap swapary[1];
  91
  92         *retavail = 0;
  93         *retfree = 0;
  94
  95 #define CONVERT(v)      ((quad_t)(v) * (pagesize / 1024))
  96
  97         n = kvm_getswapinfo(kd, swapary, 1, 0);
  98         if (n < 0 || swapary[0].ksw_total == 0) {
  99                 return 0;
 100         }
 101
 102         *retavail = CONVERT(swapary[0].ksw_total);
 103         *retfree = CONVERT(swapary[0].ksw_total - swapary[0].ksw_used);
 104
 105         n = (int) ((double) swapary[0].ksw_used * 100.0 /
 106                 (double) swapary[0].ksw_total);
 107
 108         return n;
 109 }
 110
 111 void prepare_update()
 112 {
 113 }
 114
 115 void update_uptime()
 116 {
 117         int mib[2] = { CTL_KERN, KERN_BOOTTIME };
 118         struct timeval boottime;
 119         time_t now;
 120         size_t size = sizeof(boottime);
 121
 122         if ((sysctl(mib, 2, &boottime, &size, NULL, 0) != -1)
 123                         && (boottime.tv_sec != 0)) {
 124                 time(&now);
 125                 info.uptime = now - boottime.tv_sec;
 126         } else {
 127                 fprintf(stderr, "Could not get uptime\n");
 128                 info.uptime = 0;
 129         }
 130 }
 131
 132 int check_mount(char *s)
 133 {
 134         struct statfs *mntbuf;
 135         int i, mntsize;
 136
 137         mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
 138         for (i = mntsize - 1; i >= 0; i--) {
 139                 if (strcmp(mntbuf[i].f_mntonname, s) == 0) {
 140                         return 1;
 141                 }
 142         }
 143
 144         return 0;
 145 }
 146
 147 void update_meminfo()
 148 {
 149         u_int total_pages, inactive_pages, free_pages;
 150         unsigned long swap_avail, swap_free;
 151
 152         int pagesize = getpagesize();
 153
 154         if (GETSYSCTL("vm.stats.vm.v_page_count", total_pages)) {
 155                 fprintf(stderr, "Cannot read sysctl \"vm.stats.vm.v_page_count\"\n");
 156         }
 157
 158         if (GETSYSCTL("vm.stats.vm.v_free_count", free_pages)) {
 159                 fprintf(stderr, "Cannot read sysctl \"vm.stats.vm.v_free_count\"\n");
 160         }
 161
 162         if (GETSYSCTL("vm.stats.vm.v_inactive_count", inactive_pages)) {
 163                 fprintf(stderr, "Cannot read sysctl \"vm.stats.vm.v_inactive_count\"\n");
 164         }
 165
 166         info.memmax = total_pages * (pagesize >> 10);
 167         info.mem = (total_pages - free_pages - inactive_pages) * (pagesize >> 10);
 168         info.memeasyfree = info.memfree = info.memmax - info.mem;
 169
 170         if ((swapmode(&swap_avail, &swap_free)) >= 0) {
 171                 info.swapmax = swap_avail;
 172                 info.swap = (swap_avail - swap_free);
 173         } else {
 174                 info.swapmax = 0;
 175                 info.swap = 0;
 176         }
 177 }
 178
 179 void update_net_stats()
 180 {
 181         struct net_stat *ns;
 182         double delta;
 183         long long r, t, last_recv, last_trans;
 184         struct ifaddrs *ifap, *ifa;
 185         struct if_data *ifd;
 186
 187         /* get delta */
 188         delta = current_update_time - last_update_time;
 189         if (delta <= 0.0001) {
 190                 return;
 191         }
 192
 193         if (getifaddrs(&ifap) < 0) {
 194                 return;
 195         }
 196
 197         for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
 198                 ns = get_net_stat((const char *) ifa->ifa_name);
 199
 200                 if (ifa->ifa_flags & IFF_UP) {
 201                         struct ifaddrs *iftmp;
 202
 203                         ns->up = 1;
 204                         last_recv = ns->recv;
 205                         last_trans = ns->trans;
 206
 207                         if (ifa->ifa_addr->sa_family != AF_LINK) {
 208                                 continue;
 209                         }
 210
 211                         for (iftmp = ifa->ifa_next;
 212                                         iftmp != NULL && strcmp(ifa->ifa_name, iftmp->ifa_name) == 0;
 213                                         iftmp = iftmp->ifa_next) {
 214                                 if (iftmp->ifa_addr->sa_family == AF_INET) {
 215                                         memcpy(&(ns->addr), iftmp->ifa_addr,
 216                                                 iftmp->ifa_addr->sa_len);
 217                                 }
 218                         }
 219
 220                         ifd = (struct if_data *) ifa->ifa_data;
 221                         r = ifd->ifi_ibytes;
 222                         t = ifd->ifi_obytes;
 223
 224                         if (r < ns->last_read_recv) {
 225                                 ns->recv += ((long long) 4294967295U - ns->last_read_recv) + r;
 226                         } else {
 227                                 ns->recv += (r - ns->last_read_recv);
 228                         }
 229
 230                         ns->last_read_recv = r;
 231
 232                         if (t < ns->last_read_trans) {
 233                                 ns->trans += ((long long) 4294967295U -
 234                                         ns->last_read_trans) + t;
 235                         } else {
 236                                 ns->trans += (t - ns->last_read_trans);
 237                         }
 238
 239                         ns->last_read_trans = t;
 240
 241                         /* calculate speeds */
 242                         ns->recv_speed = (ns->recv - last_recv) / delta;
 243                         ns->trans_speed = (ns->trans - last_trans) / delta;
 244                 } else {
 245                         ns->up = 0;
 246                 }
 247         }
 248
 249         freeifaddrs(ifap);
 250 }
 251
 252 void update_total_processes()
 253 {
 254         int n_processes;
 255
 256         kvm_getprocs(kd, KERN_PROC_ALL, 0, &n_processes);
 257
 258         info.procs = n_processes;
 259 }
 260
 261 void update_running_processes()
 262 {
 263         struct kinfo_proc *p;
 264         int n_processes;
 265         int i, cnt = 0;
 266
 267         p = kvm_getprocs(kd, KERN_PROC_ALL, 0, &n_processes);
 268         for (i = 0; i < n_processes; i++) {
 269 #if (__FreeBSD__ < 5) && (__FreeBSD_kernel__ < 5)
 270                 if (p[i].kp_proc.p_stat == SRUN) {
 271 #else
 272                 if (p[i].ki_stat == SRUN) {
 273 #endif
 274                         cnt++;
 275                 }
 276         }
 277
 278         info.run_procs = cnt;
 279 }
 280
 281 struct cpu_load_struct {
 282         unsigned long load[5];
 283 };
 284
 285 struct cpu_load_struct fresh = { {0, 0, 0, 0, 0} };
 286 long cpu_used, oldtotal, oldused;
 287
 288 void get_cpu_count()
 289 {
 290         /* int cpu_count = 0; */
 291
 292         /* XXX: FreeBSD doesn't allow to get per CPU load stats on SMP machines.
 293          * It's possible to get a CPU count, but as we fulfill only
 294          * info.cpu_usage[0], it's better to report there's only one CPU.
 295          * It should fix some bugs (e.g. cpugraph) */
 296 #if 0
 297         if (GETSYSCTL("hw.ncpu", cpu_count) == 0) {
 298                 info.cpu_count = cpu_count;
 299         }
 300 #endif
 301         info.cpu_count = 1;
 302
 303         info.cpu_usage = malloc(info.cpu_count * sizeof(float));
 304         if (info.cpu_usage == NULL) {
 305                 CRIT_ERR("malloc");
 306         }
 307 }
 308
 309 /* XXX: SMP support */
 310 void update_cpu_usage()
 311 {
 312         long used, total;
 313         long cp_time[CPUSTATES];
 314         size_t len = sizeof(cp_time);
 315
 316         /* add check for !info.cpu_usage since that mem is freed on a SIGUSR1 */
 317         if ((cpu_setup == 0) || (!info.cpu_usage)) {
 318                 get_cpu_count();
 319                 cpu_setup = 1;
 320         }
 321
 322         if (sysctlbyname("kern.cp_time", &cp_time, &len, NULL, 0) < 0) {
 323                 fprintf(stderr, "Cannot get kern.cp_time");
 324         }
 325
 326         fresh.load[0] = cp_time[CP_USER];
 327         fresh.load[1] = cp_time[CP_NICE];
 328         fresh.load[2] = cp_time[CP_SYS];
 329         fresh.load[3] = cp_time[CP_IDLE];
 330         fresh.load[4] = cp_time[CP_IDLE];
 331
 332         used = fresh.load[0] + fresh.load[1] + fresh.load[2];
 333         total = fresh.load[0] + fresh.load[1] + fresh.load[2] + fresh.load[3];
 334
 335         if ((total - oldtotal) != 0) {
 336                 info.cpu_usage[0] = ((double) (used - oldused)) /
 337                         (double) (total - oldtotal);
 338         } else {
 339                 info.cpu_usage[0] = 0;
 340         }
 341
 342         oldused = used;
 343         oldtotal = total;
 344 }
 345
 346 double get_sysfs_info(int *fd, int arg, char *devtype, char *type)
 347 {
 348         return 0.0;
 349 }
 350
 351 void update_load_average()
 352 {
 353         double v[3];
 354
 355         getloadavg(v, 3);
 356
 357         info.loadavg[0] = (double) v[0];
 358         info.loadavg[1] = (double) v[1];
 359         info.loadavg[2] = (double) v[2];
 360 }
 361
 362 double get_acpi_temperature(int fd)
 363 {
 364         int temp;
 365
 366         if (GETSYSCTL("hw.acpi.thermal.tz0.temperature", temp)) {
 367                 fprintf(stderr,
 368                         "Cannot read sysctl \"hw.acpi.thermal.tz0.temperature\"\n");
 369                 return 0.0;
 370         }
 371
 372         return KELVTOC(temp);
 373 }
 374
 375 void get_battery_stuff(char *buf, unsigned int n, const char *bat, int item)
 376 {
 377         int battime, batcapacity, batstate, ac;
 378         char battery_status[64];
 379         char battery_time[64];
 380
 381         if (GETSYSCTL("hw.acpi.battery.time", battime)) {
 382                 fprintf(stderr, "Cannot read sysctl \"hw.acpi.battery.time\"\n");
 383         }
 384         if (GETSYSCTL("hw.acpi.battery.life", batcapacity)) {
 385                 fprintf(stderr, "Cannot read sysctl \"hw.acpi.battery.life\"\n");
 386         }
 387
 388         if (GETSYSCTL("hw.acpi.battery.state", batstate)) {
 389                 fprintf(stderr, "Cannot read sysctl \"hw.acpi.battery.state\"\n");
 390         }
 391
 392         if (GETSYSCTL("hw.acpi.acline", ac)) {
 393                 fprintf(stderr, "Cannot read sysctl \"hw.acpi.acline\"\n");
 394         }
 395
 396         if (batstate == 1) {
 397                 if (battime != -1) {
 398                         snprintf(battery_status, sizeof(battery_status) - 1,
 399                                 "remaining %d%%", batcapacity);
 400                         snprintf(battery_time, sizeof(battery_time) - 1, "%d:%2.2d",
 401                                 battime / 60, battime % 60);
 402                         /* snprintf(buf, n, "remaining %d%% (%d:%2.2d)", batcapacity,
 403                                 battime / 60, battime % 60); */
 404                 } else {
 405                         /* no time estimate available yet */
 406                         snprintf(battery_status, sizeof(battery_status) - 1,
 407                                 "remaining %d%%", batcapacity);
 408                 }
 409                 /* snprintf(buf, n, "remaining %d%%", batcapacity); */
 410                 if (ac == 1) {
 411                         fprintf(stderr, "Discharging while on AC!\n");
 412                 }
 413         } else {
 414                 snprintf(battery_status, sizeof(battery_status) - 1,
 415                         batstate == 2 ? "charging (%d%%)" : "charged (%d%%)", batcapacity);
 416                 /* snprintf(buf, n,
 417                         batstate == 2 ? "charging (%d%%)" : "charged (%d%%)",
 418                         batcapacity); */
 419                 if (batstate != 2 && batstate != 0) {
 420                         fprintf(stderr, "Unknown battery state %d!\n", batstate);
 421                 }
 422                 if (ac == 0) {
 423                         fprintf(stderr, "Charging while not on AC!\n");
 424                 }
 425         }
 426
 427         switch (item) {
 428                 case BATTERY_STATUS:
 429                         snprintf(buf, n, "%s", battery_status);
 430                         break;
 431                 case BATTERY_TIME:
 432                         snprintf(buf, n, "%s", battery_time);
 433                         break;
 434                 default:
 435                         break;
 436         }
 437 }
 438
 439 int get_battery_perct(const char *bat)
 440 {
 441         /* not implemented */
 442         return 0;
 443 }
 444
 445 int get_battery_perct_bar(const char *bar)
 446 {
 447         /* not implemented */
 448         return 0;
 449 }
 450
 451 int open_sysfs_sensor(const char *dir, const char *dev, const char *type,
 452                 int n, int *div, char *devtype)
 453 {
 454         return 0;
 455 }
 456
 457 int open_acpi_temperature(const char *name)
 458 {
 459         return 0;
 460 }
 461
 462 void get_acpi_ac_adapter(char *p_client_buffer, size_t client_buffer_size)
 463 {
 464         int state;
 465
 466         if (!p_client_buffer || client_buffer_size <= 0) {
 467                 return;
 468         }
 469
 470         if (GETSYSCTL("hw.acpi.acline", state)) {
 471                 fprintf(stderr, "Cannot read sysctl \"hw.acpi.acline\"\n");
 472                 return;
 473         }
 474
 475         if (state) {
 476                 strncpy(p_client_buffer, "Running on AC Power", client_buffer_size);
 477         } else {
 478                 strncpy(p_client_buffer, "Running on battery", client_buffer_size);
 479         }
 480 }
 481
 482 void get_acpi_fan(char *p_client_buffer, size_t client_buffer_size)
 483 {
 484         /* not implemented */
 485         if (p_client_buffer && client_buffer_size > 0) {
 486                 memset(p_client_buffer, 0, client_buffer_size);
 487         }
 488 }
 489
 490 void get_adt746x_cpu(char *p_client_buffer, size_t client_buffer_size)
 491 {
 492         /* not implemented */
 493         if (p_client_buffer && client_buffer_size > 0) {
 494                 memset(p_client_buffer, 0, client_buffer_size);
 495         }
 496 }
 497
 498 void get_adt746x_fan(char *p_client_buffer, size_t client_buffer_size)
 499 {
 500         /* not implemented */
 501         if (p_client_buffer && client_buffer_size > 0) {
 502                 memset(p_client_buffer, 0, client_buffer_size);
 503         }
 504 }
 505
 506 /* rdtsc() and get_freq_dynamic() copied from linux.c */
 507
 508 #if  defined(__i386) || defined(__x86_64)
 509 __inline__ unsigned long long int rdtsc()
 510 {
 511         unsigned long long int x;
 512
 513         __asm__ volatile(".byte 0x0f, 0x31":"=A" (x));
 514         return x;
 515 }
 516 #endif
 517
 518 /* return system frequency in MHz (use divisor=1) or GHz (use divisor=1000) */
 519 void get_freq_dynamic(char *p_client_buffer, size_t client_buffer_size,
 520                 const char *p_format, int divisor)
 521 {
 522 #if  defined(__i386) || defined(__x86_64)
 523         struct timezone tz;
 524         struct timeval tvstart, tvstop;
 525         unsigned long long cycles[2];   /* gotta be 64 bit */
 526         unsigned int microseconds;      /* total time taken */
 527
 528         memset(&tz, 0, sizeof(tz));
 529
 530         /* get this function in cached memory */
 531         gettimeofday(&tvstart, &tz);
 532         cycles[0] = rdtsc();
 533         gettimeofday(&tvstart, &tz);
 534
 535         /* we don't trust that this is any specific length of time */
 536         usleep(100);
 537         cycles[1] = rdtsc();
 538         gettimeofday(&tvstop, &tz);
 539         microseconds = ((tvstop.tv_sec - tvstart.tv_sec) * 1000000) +
 540                 (tvstop.tv_usec - tvstart.tv_usec);
 541
 542         snprintf(p_client_buffer, client_buffer_size, p_format,
 543                 (float) ((cycles[1] - cycles[0]) / microseconds) / divisor);
 544 #else
 545         get_freq(p_client_buffer, client_buffer_size, p_format, divisor, 1);
 546 #endif
 547 }
 548
 549 /* void */
 550 char get_freq(char *p_client_buffer, size_t client_buffer_size, const char *p_format,
 551                 int divisor, unsigned int cpu)
 552 {
 553         int freq;
 554         char *freq_sysctl;
 555
 556         freq_sysctl = (char *) calloc(16, sizeof(char));
 557         if (freq_sysctl == NULL) {
 558                 exit(-1);
 559         }
 560
 561         snprintf(freq_sysctl, 16, "dev.cpu.%d.freq", (cpu - 1));
 562
 563         if (!p_client_buffer || client_buffer_size <= 0 || !p_format
 564                         || divisor <= 0) {
 565                 return 0;
 566         }
 567
 568         if (GETSYSCTL(freq_sysctl, freq) == 0) {
 569                 snprintf(p_client_buffer, client_buffer_size, p_format,
 570                         (float) freq / divisor);
 571         } else {
 572                 snprintf(p_client_buffer, client_buffer_size, p_format, 0.0f);
 573         }
 574
 575         free(freq_sysctl);
 576         return 1;
 577 }
 578
 579 void update_top()
 580 {
 581         proc_find_top(info.cpu, info.memu);
 582 }
 583
 584 #if 0
 585 void update_wifi_stats()
 586 {
 587         struct ifreq ifr;               /* interface stats */
 588         struct wi_req wireq;
 589         struct net_stat *ns;
 590         struct ifaddrs *ifap, *ifa;
 591         struct ifmediareq ifmr;
 592         int s;
 593
 594         /* Get iface table */
 595         if (getifaddrs(&ifap) < 0) {
 596                 return;
 597         }
 598
 599         for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
 600                 ns = get_net_stat((const char *) ifa->ifa_name);
 601
 602                 s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
 603
 604                 /* Get media type */
 605                 bzero(&ifmr, sizeof(ifmr));
 606                 strlcpy(ifmr.ifm_name, ifa->ifa_name, IFNAMSIZ);
 607                 if (ioctl(s, SIOCGIFMEDIA, (caddr_t) &ifmr) < 0) {
 608                         close(s);
 609                         return;
 610                 }
 611
 612                 /* We can monitor only wireless interfaces
 613                  * which are not in hostap mode */
 614                 if ((ifmr.ifm_active & IFM_IEEE80211)
 615                                 && !(ifmr.ifm_active & IFM_IEEE80211_HOSTAP)) {
 616                         /* Get wi status */
 617                         bzero(&ifr, sizeof(ifr));
 618                         strlcpy(ifr.ifr_name, ifa->ifa_name, IFNAMSIZ);
 619                         wireq.wi_type = WI_RID_COMMS_QUALITY;
 620                         wireq.wi_len = WI_MAX_DATALEN;
 621                         ifr.ifr_data = (void *) &wireq;
 622
 623                         if (ioctl(s, SIOCGWAVELAN, (caddr_t) &ifr) < 0) {
 624                                 perror("ioctl (getting wi status)");
 625                                 exit(1);
 626                         }
 627
 628                         /* wi_val[0] = quality
 629                          * wi_val[1] = signal
 630                          * wi_val[2] = noise */
 631                         ns->linkstatus = (int) wireq.wi_val[1];
 632                 }
 633 cleanup:
 634                 close(s);
 635         }
 636 }
 637 #endif
 638
 639 void update_diskio()
 640 {
 641         int devs_count, num_selected, num_selections, i;
 642         struct device_selection *dev_select = NULL;
 643         long select_generation;
 644         int dn;
 645         static struct statinfo statinfo_cur;
 646         u_int64_t diskio_current = 0;
 647         u_int64_t writes = 0;
 648
 649         bzero(&statinfo_cur, sizeof(statinfo_cur));
 650         statinfo_cur.dinfo = (struct devinfo *) malloc(sizeof(struct devinfo));
 651         bzero(statinfo_cur.dinfo, sizeof(struct devinfo));
 652
 653         if (devstat_getdevs(NULL, &statinfo_cur) < 0) {
 654                 return;
 655         }
 656
 657         devs_count = statinfo_cur.dinfo->numdevs;
 658         if (devstat_selectdevs(&dev_select, &num_selected, &num_selections,
 659                         &select_generation, statinfo_cur.dinfo->generation,
 660                         statinfo_cur.dinfo->devices, devs_count, NULL, 0, NULL, 0,
 661                         DS_SELECT_ONLY, MAXSHOWDEVS, 1) >= 0) {
 662                 for (dn = 0; dn < devs_count; ++dn) {
 663                         int di;
 664                         struct devstat *dev;
 665
 666                         di = dev_select[dn].position;
 667                         dev = &statinfo_cur.dinfo->devices[di];
 668
 669                         diskio_current += dev->bytes[DEVSTAT_READ] + dev->bytes[DEVSTAT_WRITE];
 670
 671                         for (i = 0; i < MAX_DISKIO_STATS; i++) {
 672                                 if (diskio_stats[i].dev && strcmp(dev_select[dn].device_name,
 673                                                 diskio_stats[i].dev) == 0) {
 674                                         diskio_stats[i].current = (dev->bytes[DEVSTAT_READ] +
 675                                                 dev->bytes[DEVSTAT_WRITE] - diskio_stats[i].last) / 1024;
 676                                         diskio_stats[i].current_read = (dev->bytes[DEVSTAT_READ] -
 677                                                 diskio_stats[i].last_read) / 1024;
 678                                         diskio_stats[i].current_write = (dev->bytes[DEVSTAT_WRITE] -
 679                                                 diskio_stats[i].last_write) / 1024;
 680                                         if (dev->bytes[DEVSTAT_READ] + dev->bytes[DEVSTAT_WRITE]
 681                                                         < diskio_stats[i].last) {
 682                                                 diskio_stats[i].current = 0;
 683                                         }
 684                                         if (dev->bytes[DEVSTAT_READ] < diskio_stats[i].last_read) {
 685                                                 diskio_stats[i].current_read = 0;
 686                                                 diskio_stats[i].current = diskio_stats[i].current_write;
 687                                         }
 688                                         if (dev->bytes[DEVSTAT_WRITE] < diskio_stats[i].last_write) {
 689                                                 diskio_stats[i].current_write = 0;
 690                                                 diskio_stats[i].current = diskio_stats[i].current_read;
 691                                         }
 692                                         diskio_stats[i].last = dev->bytes[DEVSTAT_READ] +
 693                                                 dev->bytes[DEVSTAT_WRITE];
 694                                         diskio_stats[i].last_read = dev->bytes[DEVSTAT_READ];
 695                                         diskio_stats[i].last_write = dev->bytes[DEVSTAT_WRITE];
 696                                 }
 697                         }
 698                 }
 699
 700                 free(dev_select);
 701         }
 702
 703         /* Since we return (diskio_total_current - diskio_total_old),
 704          * the first frame will be way too high
 705          * (it will be equal to diskio_total_current, i.e. all disk I/O since boot).
 706          *  That's why it is better to return 0 first time; */
 707         if (diskio_setup == 0) {
 708                 diskio_setup = 1;
 709                 info.diskio_value = 0;
 710         } else {
 711                 info.diskio_value = (unsigned int) ((diskio_current - diskio_prev) / 1024);
 712         }
 713         diskio_prev = diskio_current;
 714
 715         free(statinfo_cur.dinfo);
 716 }
 717
 718 void clear_diskio_stats()
 719 {
 720 }
 721
 722 /* While topless is obviously better, top is also not bad. */
 723
 724 int comparecpu(const void *a, const void *b)
 725 {
 726         if (((struct process *)a)->amount > ((struct process *)b)->amount) {
 727                 return -1;
 728         } else if (((struct process *)a)->amount < ((struct process *)b)->amount) {
 729                 return 1;
 730         } else {
 731                 return 0;
 732         }
 733 }
 734
 735 int comparemem(const void *a, const void *b)
 736 {
 737         if (((struct process *)a)->totalmem > ((struct process *)b)->totalmem) {
 738                 return -1;
 739         } else if (((struct process *)a)->totalmem < ((struct process *)b)->totalmem) {
 740                 return 1;
 741         } else {
 742                 return 0;
 743         }
 744 }
 745
 746 inline void proc_find_top(struct process **cpu, struct process **mem)
 747 {
 748         struct kinfo_proc *p;
 749         int n_processes;
 750         int i, j = 0;
 751         struct process *processes;
 752
 753         int total_pages;
 754
 755         /* we get total pages count again to be sure it is up to date */
 756         if (GETSYSCTL("vm.stats.vm.v_page_count", total_pages) != 0) {
 757                 CRIT_ERR("Cannot read sysctl \"vm.stats.vm.v_page_count\"");
 758         }
 759
 760         p = kvm_getprocs(kd, KERN_PROC_PROC, 0, &n_processes);
 761         processes = malloc(n_processes * sizeof(struct process));
 762
 763         for (i = 0; i < n_processes; i++) {
 764                 if (!((p[i].ki_flag & P_SYSTEM)) && p[i].ki_comm != NULL) {
 765                         processes[j].pid = p[i].ki_pid;
 766                         processes[j].name = strndup(p[i].ki_comm, text_buffer_size);
 767                         processes[j].amount = 100.0 * p[i].ki_pctcpu / FSCALE;
 768                         processes[j].totalmem = (float) (p[i].ki_rssize /
 769                                 (float) total_pages) * 100.0;
 770                         processes[j].vsize = p[i].ki_size;
 771                         processes[j].rss = (p[i].ki_rssize * getpagesize());
 772                         j++;
 773                 }
 774         }
 775
 776         qsort(processes, j - 1, sizeof(struct process), comparemem);
 777         for (i = 0; i < 10 && i < n_processes; i++) {
 778                 struct process *tmp, *ttmp;
 779
 780                 tmp = malloc(sizeof(struct process));
 781                 tmp->pid = processes[i].pid;
 782                 tmp->amount = processes[i].amount;
 783                 tmp->totalmem = processes[i].totalmem;
 784                 tmp->name = strndup(processes[i].name, text_buffer_size);
 785                 tmp->rss = processes[i].rss;
 786                 tmp->vsize = processes[i].vsize;
 787
 788                 ttmp = mem[i];
 789                 mem[i] = tmp;
 790                 if (ttmp != NULL) {
 791                         free(ttmp->name);
 792                         free(ttmp);
 793                 }
 794         }
 795
 796         qsort(processes, j - 1, sizeof(struct process), comparecpu);
 797         for (i = 0; i < 10 && i < n_processes; i++) {
 798                 struct process *tmp, *ttmp;
 799
 800                 tmp = malloc(sizeof(struct process));
 801                 tmp->pid = processes[i].pid;
 802                 tmp->amount = processes[i].amount;
 803                 tmp->totalmem = processes[i].totalmem;
 804                 tmp->name = strndup(processes[i].name, text_buffer_size);
 805                 tmp->rss = processes[i].rss;
 806                 tmp->vsize = processes[i].vsize;
 807
 808                 ttmp = cpu[i];
 809                 cpu[i] = tmp;
 810                 if (ttmp != NULL) {
 811                         free(ttmp->name);
 812                         free(ttmp);
 813                 }
 814         }
 815
 816 #if defined(FREEBSD_DEBUG)
 817         printf("=====\nmem\n");
 818         for (i = 0; i < 10; i++) {
 819                 printf("%d: %s(%d) %.2f %ld %ld\n", i, mem[i]->name,
 820                                 mem[i]->pid, mem[i]->totalmem, mem[i]->vsize, mem[i]->rss);
 821         }
 822 #endif
 823
 824         for (i = 0; i < j; i++) {
 825                 free(processes[i].name);
 826         }
 827         free(processes);
 828 }
 829
 830 #if     defined(i386) || defined(__i386__)
 831 #define APMDEV          "/dev/apm"
 832 #define APM_UNKNOWN     255
 833
 834 int apm_getinfo(int fd, apm_info_t aip)
 835 {
 836         if (ioctl(fd, APMIO_GETINFO, aip) == -1) {
 837                 return -1;
 838         }
 839
 840         return 0;
 841 }
 842
 843 char *get_apm_adapter()
 844 {
 845         int fd;
 846         struct apm_info info;
 847         char *out;
 848
 849         out = (char *) calloc(16, sizeof(char));
 850
 851         fd = open(APMDEV, O_RDONLY);
 852         if (fd < 0) {
 853                 strncpy(out, "ERR", 16);
 854                 return out;
 855         }
 856
 857         if (apm_getinfo(fd, &info) != 0) {
 858                 close(fd);
 859                 strncpy(out, "ERR", 16);
 860                 return out;
 861         }
 862         close(fd);
 863
 864         switch (info.ai_acline) {
 865                 case 0:
 866                         strncpy(out, "off-line", 16);
 867                         return out;
 868                         break;
 869                 case 1:
 870                         if (info.ai_batt_stat == 3) {
 871                                 strncpy(out, "charging", 16);
 872                                 return out;
 873                         } else {
 874                                 strncpy(out, "on-line", 16);
 875                                 return out;
 876                         }
 877                         break;
 878                 default:
 879                         strncpy(out, "unknown", 16);
 880                         return out;
 881                         break;
 882         }
 883 }
 884
 885 char *get_apm_battery_life()
 886 {
 887         int fd;
 888         u_int batt_life;
 889         struct apm_info info;
 890         char *out;
 891
 892         out = (char *) calloc(16, sizeof(char));
 893
 894         fd = open(APMDEV, O_RDONLY);
 895         if (fd < 0) {
 896                 strncpy(out, "ERR", 16);
 897                 return out;
 898         }
 899
 900         if (apm_getinfo(fd, &info) != 0) {
 901                 close(fd);
 902                 strncpy(out, "ERR", 16);
 903                 return out;
 904         }
 905         close(fd);
 906
 907         batt_life = info.ai_batt_life;
 908         if (batt_life == APM_UNKNOWN) {
 909                 strncpy(out, "unknown", 16);
 910         } else if (batt_life <= 100) {
 911                 snprintf(out, 16, "%d%%", batt_life);
 912                 return out;
 913         } else {
 914                 strncpy(out, "ERR", 16);
 915         }
 916
 917         return out;
 918 }
 919
 920 char *get_apm_battery_time()
 921 {
 922         int fd;
 923         int batt_time;
 924         int h, m, s;
 925         struct apm_info info;
 926         char *out;
 927
 928         out = (char *) calloc(16, sizeof(char));
 929
 930         fd = open(APMDEV, O_RDONLY);
 931         if (fd < 0) {
 932                 strncpy(out, "ERR", 16);
 933                 return out;
 934         }
 935
 936         if (apm_getinfo(fd, &info) != 0) {
 937                 close(fd);
 938                 strncpy(out, "ERR", 16);
 939                 return out;
 940         }
 941         close(fd);
 942
 943         batt_time = info.ai_batt_time;
 944
 945         if (batt_time == -1) {
 946                 strncpy(out, "unknown", 16);
 947         } else {
 948                 h = batt_time;
 949                 s = h % 60;
 950                 h /= 60;
 951                 m = h % 60;
 952                 h /= 60;
 953                 snprintf(out, 16, "%2d:%02d:%02d", h, m, s);
 954         }
 955
 956         return out;
 957 }
 958
 959 #endif
 960
 961 void update_entropy(void)
 962 {
 963         /* mirrorbox: can you do anything equivalent in freebsd? -drphibes. */
 964 }
 965
 966 /* empty stub so conky links */
 967 void free_all_processes(void)
 968 {
 969 }