diff options
Diffstat (limited to 'sysdeps/linux/cpu.c')
-rw-r--r-- | sysdeps/linux/cpu.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/sysdeps/linux/cpu.c b/sysdeps/linux/cpu.c deleted file mode 100644 index f8918611..00000000 --- a/sysdeps/linux/cpu.c +++ /dev/null @@ -1,125 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */ - -/* $Id$ */ - -/* 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 <config.h> -#include <glibtop/error.h> -#include <glibtop/cpu.h> - -static const unsigned long _glibtop_sysdeps_cpu = -(1L << GLIBTOP_CPU_TOTAL) + (1L << GLIBTOP_CPU_USER) + -(1L << GLIBTOP_CPU_NICE) + (1L << GLIBTOP_CPU_SYS) + -(1L << GLIBTOP_CPU_IDLE) + (1L << GLIBTOP_CPU_FREQUENCY); - -static const unsigned long _glibtop_sysdeps_cpu_smp = -(1L << GLIBTOP_CPU_XCPU_TOTAL) + (1L << GLIBTOP_CPU_XCPU_USER) + -(1L << GLIBTOP_CPU_XCPU_NICE) + (1L << GLIBTOP_CPU_XCPU_SYS) + -(1L << GLIBTOP_CPU_XCPU_IDLE) + (1L << GLIBTOP_CPU_XCPU_FLAGS); - -/* Init function. */ - -int -glibtop_init_cpu_s (glibtop *server) -{ - server->sysdeps.cpu = _glibtop_sysdeps_cpu; - - if (server->ncpu) - server->sysdeps.cpu |= _glibtop_sysdeps_cpu_smp; - - return 0; -} - -/* Provides information about cpu usage. */ - -#define FILENAME "/proc/stat" - -int -glibtop_get_cpu_s (glibtop *server, glibtop_cpu *buf) -{ - char buffer [BUFSIZ], *p; - int fd, len, i; - u_int64_t total; - - glibtop_init_s (&server, GLIBTOP_SYSDEPS_CPU, 0); - - memset (buf, 0, sizeof (glibtop_cpu)); - - fd = open (FILENAME, O_RDONLY); - if (fd < 0) { - glibtop_warn_io_r (server, "open (%s)", FILENAME); - return -1; - } - - len = read (fd, buffer, BUFSIZ-1); - if (len < 0) { - close (fd); - glibtop_warn_io_r (server, "read (%s)", FILENAME); - return -1; - } - - close (fd); - - buffer [len] = '\0'; - - p = skip_token (buffer); /* "cpu" */ - - buf->user = strtoul (p, &p, 0); - buf->nice = strtoul (p, &p, 0); - buf->sys = strtoul (p, &p, 0); - buf->idle = strtoul (p, &p, 0); - - total = buf->user; - total += buf->nice; - total += buf->sys; - total += buf->idle; - buf->total = total; - - buf->frequency = 100; - buf->flags = _glibtop_sysdeps_cpu; - - for (i = 0; i < server->ncpu; i++) { - if (strncmp (p+1, "cpu", 3) || !isdigit (p [4])) - break; - - buf->xcpu_flags |= (1L << (u_int64_t) i); - - p += 6; - buf->xcpu_user [i] = strtoul (p, &p, 0); - buf->xcpu_nice [i] = strtoul (p, &p, 0); - buf->xcpu_sys [i] = strtoul (p, &p, 0); - buf->xcpu_idle [i] = strtoul (p, &p, 0); - - total = buf->xcpu_user [i]; - total += buf->xcpu_nice [i]; - total += buf->xcpu_sys [i]; - total += buf->xcpu_idle [i]; - - buf->xcpu_total [i] = total; - } - - if (buf->xcpu_flags) - buf->flags |= _glibtop_sysdeps_cpu_smp; - - return 0; -} |