litmus-rt.git - The LITMUS^RT kernel.

/*
 * Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.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; version 2 of the License (not later!)
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */
#ifndef _trace_view_store_h_included_
#define _trace_view_store_h_included_

#include <gtk/gtk.h>
#include "trace-cmd.h"
#include "trace-hash.h"

/* Some boilerplate GObject defines. 'klass' is used
 *   instead of 'class', because 'class' is a C++ keyword */

#define TRACE_VIEW_STORE_TYPE	(trace_view_store_get_type ())
#define TRACE_VIEW_STORE(obj)	(G_TYPE_CHECK_INSTANCE_CAST ((obj), TRACE_VIEW_STORE_TYPE, TraceViewStore))
#define TRACE_VIEW_STORE_CLASS(klass)	(G_TYPE_CHECK_CLASS_CAST ((klass),  TRACE_VIEW_STORE_TYPE, TraceViewStoreClass))
#define TRACE_VIEW_IS_LIST(obj)	(G_TYPE_CHECK_INSTANCE_TYPE ((obj), TRACE_VIEW_STORE_TYPE))
#define TRACE_VIEW_IS_LIST_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  TRACE_VIEW_STORE_TYPE))
#define TRACE_VIEW_STORE_GET_CLASS(obj)	(G_TYPE_INSTANCE_GET_CLASS ((obj),  TRACE_VIEW_STORE_TYPE, TraceViewStoreClass))

/* The data columns that we export via the tree model interface */

enum
{
	TRACE_VIEW_STORE_COL_INDEX,
	TRACE_VIEW_STORE_COL_CPU,
	TRACE_VIEW_STORE_COL_TS,
	TRACE_VIEW_STORE_COL_COMM,
	TRACE_VIEW_STORE_COL_PID,
	TRACE_VIEW_STORE_COL_LAT,
	TRACE_VIEW_STORE_COL_EVENT,
	TRACE_VIEW_STORE_COL_INFO,
	TRACE_VIEW_STORE_N_COLUMNS,
} ;


typedef struct trace_view_record	TraceViewRecord;
typedef struct trace_view_store	TraceViewStore;
typedef struct trace_view_store_class	TraceViewStoreClass;



/* TraceViewRecord: this structure represents a row */

struct trace_view_record
{
	/* What we need from the record */
	guint64		timestamp;
	guint64		offset;
	gint		cpu;

	/* admin stuff used by the trace view store model */
	gint		visible;
	guint		pos;	/* pos within the array */
};



/* TraceViewStore: this structure contains everything we need for our
 *             model implementation. You can add extra fields to
 *             this structure, e.g. hashtables to quickly lookup
 *             rows or whatever else you might need, but it is
 *             crucial that 'parent' is the first member of the
 *             structure.                                          */

struct trace_view_store
{
	GObject			parent;	/* this MUST be the first member */

	guint			start_row; /* row to start at */
	guint			num_rows; /* number of rows that we have showing   */
	guint			visible_rows; /* number of rows defined */
	guint			actual_rows; /* size of rows array */
	TraceViewRecord		**rows;	/* a dynamically allocated array of pointers to
					 *   the TraceViewRecord structure for each row    */

	guint			visible_column_mask;
	gint			n_columns;		/* number of columns visible */

	GType			column_types[TRACE_VIEW_STORE_N_COLUMNS];

	/* Tracecmd specific info */
	struct tracecmd_input *handle;
	struct event_format	*sched_switch_event;
	struct format_field	*sched_switch_next_field;
	struct event_format	*sched_wakeup_event;
	struct format_field	*sched_wakeup_pid_field;


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