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/* $Id$ */
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <procinfo.h>
#include <sys/proc.h>
#include <glibtop.h>
#include <glibtop/prockernel.h>
#include <glibtop/error.h>
#include "utils.h"
static const unsigned long _glibtop_sysdeps_proc_kernel =
(1 <<GLIBTOP_PROC_KERNEL_MIN_FLT) + (1 <<GLIBTOP_PROC_KERNEL_MAJ_FLT) +
(1 <<GLIBTOP_PROC_KERNEL_CMIN_FLT) + (1 <<GLIBTOP_PROC_KERNEL_CMAJ_FLT) +
(1 <<GLIBTOP_PROC_KERNEL_KSTK_ESP) + (1 <<GLIBTOP_PROC_KERNEL_KSTK_EIP) +
(1 <<GLIBTOP_PROC_KERNEL_NWCHAN);
/* Init function. */
void
glibtop_init_proc_kernel_s (glibtop *server)
{
server->sysdeps.proc_kernel = _glibtop_sysdeps_proc_kernel;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_kernel_s (glibtop *server, glibtop_proc_kernel *buf,
pid_t pid)
{
struct thrdsinfo thinfo;
struct procsinfo *pinfo;
tid_t thid;
int result;
glibtop_init_s (&server, (1L << GLIBTOP_SYSDEPS_PROC_KERNEL), 0);
memset (buf, 0, sizeof (glibtop_proc_kernel));
pinfo = _glibtop_get_procinfo(server, pid);
if (pinfo == NULL) return;
if (!(pinfo->pi_flags | SKPROC))
{
/* not a kernel process */
return;
}
buf->min_flt = pinfo->pi_ru.ru_minflt;
buf->maj_flt = pinfo->pi_ru.ru_majflt;
buf->cmin_flt = pinfo->pi_cru.ru_minflt;
buf->cmaj_flt = pinfo->pi_cru.ru_majflt;
thid = 0;
result = getthrds(pid, &thinfo, sizeof(thinfo), &thid, 1);
if (result != 1)
{
glibtop_error_io_r(server, "Cannot read thrdsinfo");
return;
}
buf->kstk_esp = thinfo.ti_ustk;
buf->kstk_eip = thinfo.ti_code;
buf->nwchan = thinfo.ti_wchan;
buf->flags = _glibtop_sysdeps_proc_kernel;
}
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