aboutsummaryrefslogtreecommitdiffstats
path: root/tools/xenmon/xenbaked.h
diff options
context:
space:
mode:
authorkaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk>2005-11-15 15:09:58 +0100
committerkaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk>2005-11-15 15:09:58 +0100
commit0d5ddb880686349ab6c35a283033f2ecc987dd0f (patch)
treee2cd550b6670d35f247d2cf14a4b1019a6dbafe7 /tools/xenmon/xenbaked.h
parent0e3a022f8cfe382c960da254f632eaec4ec6dfcf (diff)
downloadxen-0d5ddb880686349ab6c35a283033f2ecc987dd0f.tar.gz
xen-0d5ddb880686349ab6c35a283033f2ecc987dd0f.tar.bz2
xen-0d5ddb880686349ab6c35a283033f2ecc987dd0f.zip
The new userland monitoring tool, XenMon.
Signed-off-by: Rob Gardner <rob.gardner@hp.com>
Diffstat (limited to 'tools/xenmon/xenbaked.h')
-rw-r--r--tools/xenmon/xenbaked.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/tools/xenmon/xenbaked.h b/tools/xenmon/xenbaked.h
new file mode 100644
index 0000000000..b2a72c4890
--- /dev/null
+++ b/tools/xenmon/xenbaked.h
@@ -0,0 +1,101 @@
+/******************************************************************************
+ * tools/xenbaked.h
+ *
+ * Header file for xenbaked
+ *
+ * Copyright (C) 2005 by Hewlett Packard, Palo Alto and Fort Collins
+ *
+ * Authors: Diwaker Gupta, diwaker.gupta@hp.com
+ * Rob Gardner, rob.gardner@hp.com
+ * Lucy Cherkasova, lucy.cherkasova.hp.com
+ *
+ * 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
+ */
+
+#ifndef __QOS_H__
+#define __QOS_H__
+
+///// qos stuff
+#define million 1000000LL
+#define billion 1000000000LL
+
+#define QOS_ADD(N,A) ((N+A)<(NSAMPLES-1) ? (N+A) : A)
+#define QOS_INCR(N) ((N<(NSAMPLES-2)) ? (N+1) : 0)
+#define QOS_DECR(N) ((N==0) ? (NSAMPLES-1) : (N-1))
+
+#define MAX_NAME_SIZE 32
+#define IDLE_DOMAIN_ID 32767
+
+/* Number of domains we can keep track of in memory */
+#define NDOMAINS 32
+
+/* Number of data points to keep */
+#define NSAMPLES 100
+
+
+// per domain stuff
+typedef struct
+{
+ uint64_t last_update_time;
+ uint64_t start_time; // when the thread started running
+ uint64_t runnable_start_time; // when the thread became runnable
+ uint64_t blocked_start_time; // when the thread became blocked
+ uint64_t ns_since_boot; // time gone by since boot
+ uint64_t ns_oncpu_since_boot; // total cpu time used by thread since boot
+ // uint64_t ns_runnable_since_boot;
+ int runnable_at_last_update; // true if the thread was runnable last time we checked.
+ int runnable; // true if thread is runnable right now
+ // tells us something about what happened during the
+ // sample period that we are analysing right now
+ int in_use; //
+ domid_t id;
+ char name[MAX_NAME_SIZE];
+} _domain_info;
+
+
+
+typedef struct
+{
+ struct
+ {
+// data point:
+// stuff that is recorded once for each measurement interval
+ uint64_t ns_gotten[NDOMAINS]; // ns used in the last sample period
+ uint64_t ns_allocated[NDOMAINS]; // ns allocated by scheduler
+ uint64_t ns_waiting[NDOMAINS]; // ns spent waiting to execute, ie, time from
+ // becoming runnable until actually running
+ uint64_t ns_blocked[NDOMAINS]; // ns spent blocked
+ uint64_t switchin_count[NDOMAINS]; // number of executions of the domain
+ uint64_t io_count[NDOMAINS];
+ uint64_t ns_passed; // ns gone by on the wall clock, ie, the sample period
+ uint64_t timestamp;
+ uint64_t lost_records; // # of lost trace records this time period
+ uint64_t flip_free_periods; // # of executions of dom0 in which no page flips happened
+ } qdata[NSAMPLES];
+
+ _domain_info domain_info[NDOMAINS];
+
+ // control information
+ int next_datapoint;
+ int ncpu;
+ int structlen;
+
+ // parameters
+ int measurement_frequency; // for example
+
+} _new_qos_data;
+
+
+
+#endif