src/bin/listarea.c

   1 /*
   2  * Copyright (c) 2001-2005, Haiku.
   3  *
   4  * This software is part of the Haiku distribution and is covered
   5  * by the MIT license.
   6  *
   7  * Author: Daniel Reinhold (danielre@users.sf.net)
   8  */
   9
  10 /** Lists area info for all currently running teams */
  11
  12
  13 #include <OS.h>
  14
  15 #include <stdio.h>
  16 #include <stdlib.h>
  17 #include <string.h>
  18
  19
  20 static void list_areas_for_id(team_id team);
  21 static void list_areas_for_name(const char *teamName);
  22 static void show_memory_totals(void);
  23
  24
  25 static void
  26 show_memory_totals(void)
  27 {
  28         int32 max = 0, used = 0;
  29
  30         system_info info;
  31         if (get_system_info(&info) == B_OK) {
  32                 // pages are 4KB
  33                 max = info.max_pages * 4;
  34                 used = info.used_pages * 4;
  35         }
  36
  37         printf("memory: total: %4" B_PRId32 "KB, used: %4" B_PRId32 "KB, left: %4"
  38                 B_PRId32 "KB\n", max, used, max - used);
  39 }
  40
  41
  42 static void
  43 list_areas_for_id(team_id id)
  44 {
  45         ssize_t cookie = 0;
  46         team_info teamInfo;
  47         area_info areaInfo;
  48
  49         if (id != 1 && get_team_info(id, &teamInfo) == B_BAD_TEAM_ID) {
  50                 printf("\nteam %" B_PRId32 " unknown\n", id);
  51                 return;
  52         } else if (id == 1)
  53                 strcpy(teamInfo.args, "KERNEL SPACE");
  54
  55         printf("\n%s (team %" B_PRId32 ")\n", teamInfo.args, id);
  56         printf("   ID                             name   address     size   alloc."
  57                 " #-cow  #-in #-out\n");
  58         printf("------------------------------------------------------------------"
  59                 "------------------\n");
  60
  61         while (get_next_area_info(id, &cookie, &areaInfo) == B_OK) {
  62                 printf("%5" B_PRId32 " %32s  %p %8" B_PRIxSIZE " %8" B_PRIx32 " %5"
  63                         B_PRId32 " %5" B_PRId32 " %5" B_PRId32 "\n",
  64                         areaInfo.area,
  65                         areaInfo.name,
  66                         areaInfo.address,
  67                         areaInfo.size,
  68                         areaInfo.ram_size,
  69                         areaInfo.copy_count,
  70                         areaInfo.in_count,
  71                         areaInfo.out_count);
  72         }
  73 }
  74
  75
  76 static void
  77 list_areas_for_name(const char *name)
  78 {
  79         int32 cookie = 0;
  80         team_info info;
  81         while (get_next_team_info(&cookie, &info) >= B_OK) {
  82                 if (strstr(info.args, name) != NULL)
  83                         list_areas_for_id(info.team);
  84         }
  85 }
  86
  87
  88 int
  89 main(int argc, char **argv)
  90 {
  91         show_memory_totals();
  92
  93         if (argc == 1) {
  94                 // list areas of all teams
  95                 int32 cookie = 0;
  96                 team_info info;
  97
  98                 while (get_next_team_info(&cookie, &info) >= B_OK)
  99                         list_areas_for_id(info.team);
 100         } else {
 101                 // list areas for each team ID/name on the command line
 102                 while (--argc) {
 103                         const char *arg = *++argv;
 104                         team_id team = atoi(arg);
 105
 106                         // if atoi returns >0 it's likely it's a number, else take it as string
 107                         if (team > 0)
 108                                 list_areas_for_id(team);
 109                         else
 110                                 list_areas_for_name(arg);
 111                 }
 112         }
 113
 114         return 0;
 115 }
 116