74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/* $Id$ */
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/* Copyright (C) 1998-99 Martin Baulig
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This file is part of LibGTop 1.0.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include <unistd.h>
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#include <sys/vminfo.h>
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#include <sys/resource.h>
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/procmem.h>
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#include "utils.h"
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static const unsigned long _glibtop_sysdeps_proc_mem =
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(1 << GLIBTOP_PROC_MEM_SIZE) + (1 << GLIBTOP_PROC_MEM_VSIZE) +
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(1 << GLIBTOP_PROC_MEM_RESIDENT) + (1 << GLIBTOP_PROC_MEM_RSS) +
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(1 << GLIBTOP_PROC_MEM_RSS_RLIM);
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/* Init function. */
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void
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glibtop_init_proc_mem_s (glibtop *server)
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{
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server->sysdeps.proc_mem = _glibtop_sysdeps_proc_mem;
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}
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/* Provides detailed information about a process. */
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void
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glibtop_get_proc_mem_s (glibtop *server, glibtop_proc_mem *buf,
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pid_t pid)
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{
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struct procsinfo *pinfo;
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int pagesize;
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memset (buf, 0, sizeof (glibtop_proc_mem));
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pinfo = _glibtop_get_procinfo(server, pid);
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if (pinfo == NULL)
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{
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glibtop_error_io_r (server, "Cannot read procsinfo");
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return;
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}
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pagesize = sysconf(_SC_PAGESIZE);
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buf->vsize = buf->size = pinfo->pi_size * pagesize;
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buf->resident = buf->rss = (pinfo->pi_drss + pinfo->pi_trss) * pagesize;
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buf->rss_rlim = pinfo->pi_rlimit[RLIMIT_RSS].rlim_cur;
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buf->flags = _glibtop_sysdeps_proc_mem;
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}
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