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) 2014-2018 The strace developers.
  11  * All rights reserved.
  12  *
  13  * SPDX-License-Identifier: LGPL-2.1-or-later
  14  */
  15
  16 #include "defs.h"
  17 #include DEF_MPERS_TYPE(sysinfo_t)
  18 #include <sys/sysinfo.h>
  19 typedef struct sysinfo sysinfo_t;
  20 #include MPERS_DEFS
  21
  22 SYS_FUNC(sysinfo)
  23 {
  24         sysinfo_t si;
  25
  26         if (entering(tcp))
  27                 return 0;
  28
  29         if (!umove_or_printaddr(tcp, tcp->u_arg[0], &si)) {
  30                 tprintf("{uptime=%llu"
  31                         ", loads=[%llu, %llu, %llu]"
  32                         ", totalram=%llu"
  33                         ", freeram=%llu"
  34                         ", sharedram=%llu"
  35                         ", bufferram=%llu"
  36                         ", totalswap=%llu"
  37                         ", freeswap=%llu"
  38                         ", procs=%u"
  39                         ", totalhigh=%llu"
  40                         ", freehigh=%llu"
  41                         ", mem_unit=%u"
  42                         "}",
  43                         zero_extend_signed_to_ull(si.uptime)
  44                         , zero_extend_signed_to_ull(si.loads[0])
  45                         , zero_extend_signed_to_ull(si.loads[1])
  46                         , zero_extend_signed_to_ull(si.loads[2])
  47                         , zero_extend_signed_to_ull(si.totalram)
  48                         , zero_extend_signed_to_ull(si.freeram)
  49                         , zero_extend_signed_to_ull(si.sharedram)
  50                         , zero_extend_signed_to_ull(si.bufferram)
  51                         , zero_extend_signed_to_ull(si.totalswap)
  52                         , zero_extend_signed_to_ull(si.freeswap)
  53                         , (unsigned) si.procs
  54                         , zero_extend_signed_to_ull(si.totalhigh)
  55                         , zero_extend_signed_to_ull(si.freehigh)
  56                         , si.mem_unit
  57                         );
  58         }
  59
  60         return 0;
  61 }