mirror of
https://github.com/xen-project/xen.git
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Keir Fraser
5cc436c1d2
This patch eliminate the global variables in libxenctrl (used for logging and error reporting). Instead the information which was in the global variables is now in a new xc_interface* opaque structure, which xc_interface open returns instead of the raw file descriptor; furthermore, logging is done via xentoollog. There are three new parameters to xc_interface_open to control the logging, but existing callers can just pass "0" for all three to get the old behaviour. All libxc callers have been adjusted accordingly. Also update QEMU_TAG for corresponding qemu change. Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/******************************************************************************
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* tools/xenmon/setmask.c
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*
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* Simple utility for getting/setting the event mask
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*
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* Copyright (C) 2005 by Hewlett-Packard, Palo Alto and Fort Collins
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*
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* Authors: Lucy Cherkasova, lucy.cherkasova.hp.com
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* Rob Gardner, rob.gardner@hp.com
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* Diwaker Gupta, diwaker.gupta@hp.com
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* Date: August, 2005
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; under version 2 of the License.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <getopt.h>
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#include <xenctrl.h>
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#include <xen/xen.h>
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typedef struct { int counter; } atomic_t;
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#include <xen/trace.h>
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#define XENMON (TRC_SCHED_DOM_ADD | TRC_SCHED_DOM_REM | TRC_SCHED_SWITCH_INFPREV | TRC_SCHED_SWITCH_INFNEXT | TRC_SCHED_BLOCK | TRC_SCHED_SLEEP | TRC_SCHED_WAKE | TRC_MEM_PAGE_GRANT_TRANSFER)
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int main(int argc, char * argv[])
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{
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struct xen_sysctl sysctl;
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int ret;
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xc_interface *xc_handle = xc_interface_open(0,0,0);
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sysctl.cmd = XEN_SYSCTL_tbuf_op;
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sysctl.interface_version = XEN_SYSCTL_INTERFACE_VERSION;
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sysctl.u.tbuf_op.cmd = XEN_SYSCTL_TBUFOP_get_info;
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ret = xc_sysctl(xc_handle, &sysctl);
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if ( ret != 0 )
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{
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perror("Failure to get event mask from Xen");
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exit(1);
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}
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else
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{
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printf("Current event mask: 0x%.8x\n", sysctl.u.tbuf_op.evt_mask);
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}
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sysctl.cmd = XEN_SYSCTL_tbuf_op;
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sysctl.interface_version = XEN_SYSCTL_INTERFACE_VERSION;
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sysctl.u.tbuf_op.cmd = XEN_SYSCTL_TBUFOP_set_evt_mask;
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sysctl.u.tbuf_op.evt_mask = XENMON;
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ret = xc_sysctl(xc_handle, &sysctl);
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printf("Setting mask to 0x%.8x\n", sysctl.u.tbuf_op.evt_mask);
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if ( ret != 0 )
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{
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perror("Failure to get scheduler ID from Xen");
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exit(1);
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}
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sysctl.cmd = XEN_SYSCTL_tbuf_op;
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sysctl.interface_version = XEN_SYSCTL_INTERFACE_VERSION;
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sysctl.u.tbuf_op.cmd = XEN_SYSCTL_TBUFOP_get_info;
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ret = xc_sysctl(xc_handle, &sysctl);
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if ( ret != 0 )
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{
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perror("Failure to get event mask from Xen");
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exit(1);
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}
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else
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{
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printf("Current event mask: 0x%.8x\n", sysctl.u.tbuf_op.evt_mask);
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}
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xc_interface_close(xc_handle);
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return 0;
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}
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