The new userland monitoring tool, XenMon.

Signed-off-by: Rob Gardner <rob.gardner@hp.com>

1 files changed, 90 insertions, 0 deletions

diff --git a/tools/xenmon/setmask.c b/tools/xenmon/setmask.c
new file mode 100644
index 0000000000..333280d359
--- /dev/null
+++ b/tools/xenmon/setmask.c
@@ -0,0 +1,90 @@
+/******************************************************************************
+ * tools/xenmon/setmask.c
+ * 
+ * Simple utility for getting/setting the event mask
+ *
+ * Copyright (C) 2005 by Hewlett-Packard, Palo Alto and Fort Collins
+ *
+ * Authors: Lucy Cherkasova, lucy.cherkasova.hp.com
+ *          Rob Gardner, rob.gardner@hp.com
+ *          Diwaker Gupta, diwaker.gupta@hp.com
+ * Date:   August, 2005
+ * 
+ *  This program 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; under version 2 of the License.
+ *
+ *  This program 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 this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <getopt.h>
+#include <xenctrl.h>
+#include <xen/xen.h>
+typedef struct { int counter; } atomic_t;
+#include <xen/trace.h>
+
+#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)
+
+int main(int argc, char * argv[])
+{
+
+    dom0_op_t op; 
+    int ret;
+
+    int xc_handle = xc_interface_open();
+    op.cmd = DOM0_TBUFCONTROL;
+    op.interface_version = DOM0_INTERFACE_VERSION;
+    op.u.tbufcontrol.op  = DOM0_TBUF_GET_INFO;
+    ret = xc_dom0_op(xc_handle, &op);
+    if ( ret != 0 )
+    {
+        perror("Failure to get event mask from Xen");
+        exit(1);
+    }
+    else
+    {
+        printf("Current event mask: 0x%.8x\n", op.u.tbufcontrol.evt_mask);
+    }
+
+    op.cmd = DOM0_TBUFCONTROL;
+    op.interface_version = DOM0_INTERFACE_VERSION;
+    op.u.tbufcontrol.op  = DOM0_TBUF_SET_EVT_MASK;
+    op.u.tbufcontrol.evt_mask = XENMON;
+
+    ret = xc_dom0_op(xc_handle, &op);
+    printf("Setting mask to 0x%.8x\n", op.u.tbufcontrol.evt_mask);
+    if ( ret != 0 )
+    {
+        perror("Failure to get scheduler ID from Xen");
+        exit(1);
+    }
+
+    op.cmd = DOM0_TBUFCONTROL;
+    op.interface_version = DOM0_INTERFACE_VERSION;
+    op.u.tbufcontrol.op  = DOM0_TBUF_GET_INFO;
+    ret = xc_dom0_op(xc_handle, &op);
+    if ( ret != 0 )
+    {
+        perror("Failure to get event mask from Xen");
+        exit(1);
+    }
+    else
+    {
+        printf("Current event mask: 0x%.8x\n", op.u.tbufcontrol.evt_mask);
+    }
+    xc_interface_close(xc_handle);
+    return 0;
+}