3a7f02352a
1999-03-31 Drazen Kacar <dave@srce.hr> * loadavg.c: make it work with Solaris 2.6 and older. A part of it should be moved to open.c.
83 lines
2.1 KiB
C
83 lines
2.1 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>, March 1999.
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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 <glibtop.h>
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#include <glibtop/loadavg.h>
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#ifdef HAVE_GETLOADAVG
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#include <sys/loadavg.h>
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#else
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#include <sys/param.h>
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#include <kstat.h>
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#endif
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static const unsigned long _glibtop_sysdeps_loadavg =
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(1 << GLIBTOP_LOADAVG_LOADAVG);
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/* Init function. */
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void
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glibtop_init_loadavg_s (glibtop *server)
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{
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server->sysdeps.loadavg = _glibtop_sysdeps_loadavg;
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}
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/* Provides load average. */
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void
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glibtop_get_loadavg_s (glibtop *server, glibtop_loadavg *buf)
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{
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#ifndef HAVE_GETLOADAVG
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kstat_ctl_t *kc;
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static kstat_t *ksp = NULL;
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kid_t k;
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int i;
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static char *avestrings[] = { "avenrun_1min",
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"avenrun_5min",
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"avenrun_15min" };
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#endif
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memset (buf, 0, sizeof (glibtop_loadavg));
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#ifdef HAVE_GETLOADAVG
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if (getloadavg (buf->loadavg, 3))
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return;
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#else
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kc = server->machine.kc;
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if((k = kstat_chain_update(kc)) < 0)
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return;
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if(k || !ksp)
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if(!(ksp = kstat_lookup(kc, "unix", 0, "system_misc")))
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return;
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if(kstat_read(kc, ksp, 0) < 0)
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return;
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for(i = 0; i < 3; ++i) /* Do we have a countof macro? */
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{
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kstat_named_t *kn;
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kn = (kstat_named_t *)kstat_data_lookup(ksp, avestrings[i]);
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if(kn)
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buf->loadavg[i] = (double)kn->value.ul / FSCALE;
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}
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#endif
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buf->flags = _glibtop_sysdeps_loadavg;
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}
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