granicus.if.org Git - strace/blob - sysinfo.c

   1 /*
   2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
   3  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
   4  * Copyright (c) 1993-1996 Rick Sladkey <jrs@world.std.com>
   5  * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
   6  * Copyright (c) 2012 H.J. Lu <hongjiu.lu@intel.com>
   7  * Copyright (c) 2012 Denys Vlasenko <vda.linux@googlemail.com>
   8  * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
   9  * Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
  10  * Copyright (c) 2014-2017 The strace developers.
  11  * All rights reserved.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  * 3. The name of the author may not be used to endorse or promote products
  22  *    derived from this software without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  25  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  26  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  27  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  28  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  29  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  30  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  31  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  32  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  33  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34  */
  35
  36 #include "defs.h"
  37 #include DEF_MPERS_TYPE(sysinfo_t)
  38 #include <sys/sysinfo.h>
  39 typedef struct sysinfo sysinfo_t;
  40 #include MPERS_DEFS
  41
  42 SYS_FUNC(sysinfo)
  43 {
  44         sysinfo_t si;
  45
  46         if (entering(tcp))
  47                 return 0;
  48
  49         if (!umove_or_printaddr(tcp, tcp->u_arg[0], &si)) {
  50                 tprintf("{uptime=%llu"
  51                         ", loads=[%llu, %llu, %llu]"
  52                         ", totalram=%llu"
  53                         ", freeram=%llu"
  54                         ", sharedram=%llu"
  55                         ", bufferram=%llu"
  56                         ", totalswap=%llu"
  57                         ", freeswap=%llu"
  58                         ", procs=%u"
  59                         ", totalhigh=%llu"
  60                         ", freehigh=%llu"
  61                         ", mem_unit=%u"
  62                         "}",
  63                         zero_extend_signed_to_ull(si.uptime)
  64                         , zero_extend_signed_to_ull(si.loads[0])
  65                         , zero_extend_signed_to_ull(si.loads[1])
  66                         , zero_extend_signed_to_ull(si.loads[2])
  67                         , zero_extend_signed_to_ull(si.totalram)
  68                         , zero_extend_signed_to_ull(si.freeram)
  69                         , zero_extend_signed_to_ull(si.sharedram)
  70                         , zero_extend_signed_to_ull(si.bufferram)
  71                         , zero_extend_signed_to_ull(si.totalswap)
  72                         , zero_extend_signed_to_ull(si.freeswap)
  73                         , (unsigned) si.procs
  74                         , zero_extend_signed_to_ull(si.totalhigh)
  75                         , zero_extend_signed_to_ull(si.freehigh)
  76                         , si.mem_unit
  77                         );
  78         }
  79
  80         return 0;
  81 }