diff options
Diffstat (limited to 'sysdeps/solaris/swap.c')
-rw-r--r-- | sysdeps/solaris/swap.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/sysdeps/solaris/swap.c b/sysdeps/solaris/swap.c new file mode 100644 index 00000000..b2e4721d --- /dev/null +++ b/sysdeps/solaris/swap.c @@ -0,0 +1,89 @@ +/* $Id$ */ + +/* 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 <glibtop.h> +#include <glibtop/error.h> +#include <glibtop/swap.h> + +#include <assert.h> +#include <sys/sysinfo.h> + +#include <glibtop_private.h> + +static const unsigned long _glibtop_sysdeps_swap = +(1L << GLIBTOP_SWAP_TOTAL) + (1L << GLIBTOP_SWAP_USED) + +(1L << GLIBTOP_SWAP_FREE); + +/* Init function. */ + +void +glibtop_init_swap_s (glibtop *server) +{ + server->sysdeps.swap = _glibtop_sysdeps_swap; +} + +/* Provides information about swap usage. */ + +void +glibtop_get_swap_s (glibtop *server, glibtop_swap *buf) +{ + kstat_ctl_t *kc = server->machine.kc; + kstat_t *ksp = server->machine.vminfo_kstat; + u_int64_t swap_resv, swap_alloc, swap_avail, swap_free; + vminfo_t vminfo; + double rate; + kid_t ret; + + memset (buf, 0, sizeof (glibtop_swap)); + + if (!ksp) return; + + switch(kstat_chain_update(kc)) + { + case -1: assert(0); /* Debugging, shouldn't happen */ + case 0: break; + default: glibtop_get_kstats(server); + } + ret = kstat_read (kc, ksp, &vminfo); + + if (ret == -1) { + glibtop_warn_io_r (server, "kstat_read (vminfo)"); + return; + } + + rate = (ksp->ks_snaptime - server->machine.vminfo_snaptime) / 1E+9; + + swap_resv = (vminfo.swap_resv - server->machine.vminfo.swap_resv) / rate; + swap_alloc = (vminfo.swap_alloc - server->machine.vminfo.swap_alloc) / rate; + swap_avail = (vminfo.swap_avail - server->machine.vminfo.swap_avail) / rate; + swap_free = (vminfo.swap_free - server->machine.vminfo.swap_free) / rate; + + memcpy (&server->machine.vminfo, &vminfo, sizeof (vminfo_t)); + server->machine.vminfo_snaptime = ksp->ks_snaptime; + + buf->total = swap_resv + swap_avail; + buf->used = swap_alloc; + buf->free = buf->total - buf->used; + + buf->flags = _glibtop_sysdeps_swap; +} |