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author | Martin Baulig <martin@src.gnome.org> | 1998-05-19 18:19:50 +0000 |
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committer | Martin Baulig <martin@src.gnome.org> | 1998-05-19 18:19:50 +0000 |
commit | 33cdc01c1db3a1cafaeb63e50247072b82ef49ea (patch) | |
tree | 765262671f242fc45d3504cc069636ced714e33b /sysdeps/linux/cpu.c | |
download | libgtop-33cdc01c1db3a1cafaeb63e50247072b82ef49ea.tar.gz |
Initial revision
Diffstat (limited to 'sysdeps/linux/cpu.c')
-rw-r--r-- | sysdeps/linux/cpu.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/sysdeps/linux/cpu.c b/sysdeps/linux/cpu.c new file mode 100644 index 00000000..224ab06b --- /dev/null +++ b/sysdeps/linux/cpu.c @@ -0,0 +1,54 @@ +/* $Id$ */ + +/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the Gnome Top Library. + Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998. + + The Gnome Top Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The Gnome Top Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <config.h> +#include <glibtop/cpu.h> + +static const unsigned long _glibtop_sysdeps_cpu = +(1 << GLIBTOP_CPU_TOTAL) + (1 << GLIBTOP_CPU_USER) + +(1 << GLIBTOP_CPU_NICE) + (1 << GLIBTOP_CPU_SYS) + +(1 << GLIBTOP_CPU_IDLE) + (1 << GLIBTOP_CPU_FREQUENCY); + +/* Provides information about cpu usage. */ + +void +glibtop_get_cpu__r (glibtop *server, glibtop_cpu *buf) +{ + FILE *f; + + glibtop_init__r (&server); + + memset (buf, 0, sizeof (glibtop_cpu)); + + buf->flags = _glibtop_sysdeps_cpu; + + f = fopen ("/proc/stat", "r"); + if (!f) return; + + fscanf (f, "cpu %lu %lu %lu %lu\n", + &buf->user, &buf->nice, &buf->sys, &buf->idle); + + buf->total = buf->user + buf->nice + buf->sys + buf->idle; + + buf->frequency = 100; + + fclose (f); +} |