106 lines
3.0 KiB
C
106 lines
3.0 KiB
C
/* $Id$ */
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/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the Gnome Top Library.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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The Gnome Top Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The Gnome Top Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/proctime.h>
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static const unsigned long _glibtop_sysdeps_proc_time =
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(1 << GLIBTOP_PROC_TIME_UTIME) + (1 << GLIBTOP_PROC_TIME_CUTIME) +
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(1 << GLIBTOP_PROC_TIME_STIME) + (1 << GLIBTOP_PROC_TIME_CSTIME) +
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(1 << GLIBTOP_PROC_TIME_RTIME) + (1 << GLIBTOP_PROC_TIME_FREQUENCY) +
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(1 << GLIBTOP_PROC_TIME_TIMEOUT) + (1 << GLIBTOP_PROC_TIME_IT_REAL_VALUE) +
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(1 << GLIBTOP_PROC_TIME_START_TIME);
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static const unsigned long _glibtop_sysdeps_proc_time_smp =
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(1 << GLIBTOP_PROC_TIME_XCPU_UTIME) + (1 << GLIBTOP_PROC_TIME_XCPU_STIME);
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/* Init function. */
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void
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glibtop_init_proc_time_s (glibtop *server)
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{
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#if HAVE_LIBGTOP_SMP
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server->sysdeps.proc_time = _glibtop_sysdeps_proc_time |
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_glibtop_sysdeps_proc_time_smp;
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#else
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server->sysdeps.proc_time = _glibtop_sysdeps_proc_time;
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#endif
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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_time_s (glibtop *server, glibtop_proc_time *buf, pid_t pid)
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{
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char buffer [BUFSIZ], *p;
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int G_GNUC_UNUSED i;
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glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_TIME, 0);
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memset (buf, 0, sizeof (glibtop_proc_time));
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if (proc_stat_to_buffer (buffer, pid))
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return;
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p = proc_stat_after_cmd (buffer);
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if (!p) return;
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p = skip_multiple_token (p, 11);
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buf->utime = strtoul (p, &p, 0);
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buf->stime = strtoul (p, &p, 0);
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buf->cutime = strtoul (p, &p, 0);
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buf->cstime = strtoul (p, &p, 0);
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buf->rtime = buf->utime + buf->stime;
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p = skip_multiple_token (p, 2);
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buf->timeout = strtoul (p, &p, 0);
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buf->it_real_value = strtoul (p, &p, 0);
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buf->start_time = strtoul (p, &p, 0);
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buf->frequency = 100;
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buf->flags = _glibtop_sysdeps_proc_time;
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#if HAVE_LIBGTOP_SMP
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if (proc_file_to_buffer (buffer, "/proc/%d/cpu", pid))
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return;
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p = skip_token (buffer);
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buf->utime = strtoul (p, &p, 0);
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buf->stime = strtoul (p, &p, 0);
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for (i = 0; i < GLIBTOP_NCPU; i++) {
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if (strncmp (p+1, "cpu", 3) || !isdigit (p [4]))
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break;
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p += 6;
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buf->xcpu_utime [i] = strtoul (p, &p, 0);
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buf->xcpu_stime [i] = strtoul (p, &p, 0);
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}
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buf->flags |= _glibtop_sysdeps_proc_time_smp;
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#endif
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}
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