[blktrace.git] / iowatcher / plot.h

/*
 * Copyright (C) 2012 Fusion-io
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public
 *  License v2 as published by the Free Software Foundation.
 *
 *  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 __IOWATCH_PLOT__
#define __IOWATCH_PLOT__
#define MAX_TICKS 10

#include "list.h"

typedef __u64 u64;
typedef __u32 u32;
typedef __u16 u16;


struct plot {
	int fd;

	/* svg style y = 0 is the top of the graph */
	int start_y_offset;

	/* abs coords of the start of X start of the plot */
	int start_x_offset;

	int add_xlabel;

	/*
	 * these two are for anyone that wants
	 * to add a plot after this one, it tells
	 * them how much space we took up
	 */
	int total_height;
	int total_width;
	char **legend_lines;
	int legend_index;
	int num_legend_lines;
};

struct graph_line_pair {
	u64 count;
	u64 sum;
};

struct graph_line_data {
	/* total number of seconds in this graph */
	int seconds;

	int stop_seconds;

	/* Y max */
	u64 max;

	/* label for this graph */
	char *label;
	struct graph_line_pair data[];
};

struct graph_dot_data {
	u64 max_offset;
	u64 max_bank;
	u64 max_bank_offset;
	u64 total_ios;
	u64 total_bank_ios;

	int add_bank_ios;

	/* in pixels, number of rows in our bitmap */
	int rows;
	/* in pixels, number of cols in our bitmap */
	int cols;

	/* total number of seconds in this graph */
	int seconds;
	int stop_seconds;

	/* label for the legend */
	char *label;

	/* bitmap, one bit for each cell to light up */
	unsigned char data[];
};

struct plot_history {
	struct list_head list;
	double history_max;
	int history_len;
	int num_used;
	int col;
	char *color;
	double *history;
};

int svg_io_graph(struct plot *plot, struct graph_dot_data *gdd, char *color);
int svg_line_graph(struct plot *plot, struct graph_line_data *gld, char *color, int thresh1, int thresh2);
struct graph_line_data *alloc_line_data(int seconds, int stop_seconds);
void free_line_data(struct graph_line_data *gld);
struct graph_dot_data *alloc_dot_data(int seconds, u64 max_offset, int stop_seconds);
void free_dot_data(struct graph_dot_data *gdd);
void set_gdd_bit(struct graph_dot_data *gdd, u64 offset, double bytes, double time);
void print_gdd(struct graph_dot_data *gdd);
void write_svg_header(int fd);
struct plot *alloc_plot(void);
int close_plot(struct plot *plot);
void setup_axis(struct plot *plot);
void set_xticks(struct plot *plot, int num_ticks, int first, int last);
void set_yticks(struct plot *plot, int num_ticks, int first, int last, char *units);
void set_plot_title(struct plot *plot, char *title);
void set_plot_label(struct plot *plot, char *label);
void set_xlabel(struct plot *plot, char *label);
void set_ylabel(struct plot *plot, char *label);
void scale_line_graph_bytes(u64 *max, char **units, u64 factor);
void scale_line_graph_time(u64 *max, char **units);
void write_drop_shadow(struct plot *plot);
void write_drop_shadow_line(struct plot *plot);
void svg_write_legend(struct plot *plot);
void svg_add_legend(struct plot *plot, char *text, char *extra, char *color);
void svg_alloc_legend(struct plot *plot, int num_lines);
void set_legend_width(int longest_str);
void set_rolling_avg(int rolling);
void svg_free_legend(struct plot *plot);
void set_io_graph_scale(int scale);
void set_plot_output(struct plot *plot, char *filename);
void set_graph_size(int width, int height);
void get_graph_size(int *width, int *height);
int svg_io_graph_movie(struct graph_dot_data *gdd, struct plot_history *ph, int col);
int svg_io_graph_movie_array(struct plot *plot, struct plot_history *ph);
void svg_write_time_line(struct plot *plot, int col);
void set_graph_height(int h);
void set_graph_width(int w);
int close_plot_file(struct plot *plot);
int svg_io_graph_movie_array_spindle(struct plot *plot, struct plot_history *ph);
void rewind_spindle_steps(int num);
void setup_axis_spindle(struct plot *plot);
#endif
Commit	Line	Data
9e066e23 CM	1	/*
	2	* Copyright (C) 2012 Fusion-io
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public
	6	* License v2 as published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope that it will be useful,
	9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	* GNU General Public License for more details.
	12	*
	13	* You should have received a copy of the GNU General Public License
	14	* along with this program; if not, write to the Free Software
	15	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	16	*
	17	*/
	18	#ifndef __IOWATCH_PLOT__
	19	#define __IOWATCH_PLOT__
	20	#define MAX_TICKS 10
	21
ba758825 CM	22	#include "list.h"
ba758825 CM	23
9e066e23 CM	24	typedef __u64 u64;
	25	typedef __u32 u32;
	26	typedef __u16 u16;
	27
ba758825	28
9e066e23 CM	29	struct plot {
	30	int fd;
	31
	32	/* svg style y = 0 is the top of the graph */
	33	int start_y_offset;
	34
	35	/* abs coords of the start of X start of the plot */
	36	int start_x_offset;
	37
	38	int add_xlabel;
	39
	40	/*
	41	* these two are for anyone that wants
	42	* to add a plot after this one, it tells
	43	* them how much space we took up
	44	*/
	45	int total_height;
	46	int total_width;
	47	char **legend_lines;
	48	int legend_index;
	49	int num_legend_lines;
	50	};
	51
	52	struct graph_line_pair {
	53	u64 count;
	54	u64 sum;
	55	};
	56
	57	struct graph_line_data {
	58	/* total number of seconds in this graph */
	59	int seconds;
	60
	61	int stop_seconds;
	62
	63	/* Y max */
	64	u64 max;
	65
	66	/* label for this graph */
	67	char *label;
	68	struct graph_line_pair data[];
	69	};
	70
	71	struct graph_dot_data {
	72	u64 max_offset;
bfb0e441 CM	73	u64 max_bank;
bfb0e441 CM	74	u64 max_bank_offset;
9e066e23	75	u64 total_ios;
bfb0e441 CM	76	u64 total_bank_ios;
	77
	78	int add_bank_ios;
9e066e23 CM	79
	80	/* in pixels, number of rows in our bitmap */
	81	int rows;
	82	/* in pixels, number of cols in our bitmap */
	83	int cols;
	84
	85	/* total number of seconds in this graph */
	86	int seconds;
	87	int stop_seconds;
	88
	89	/* label for the legend */
	90	char *label;
	91
	92	/* bitmap, one bit for each cell to light up */
	93	unsigned char data[];
	94	};
	95
ba758825 CM	96	struct plot_history {
ba758825 CM	97	struct list_head list;
abf08f96	98	double history_max;
ba758825 CM	99	int history_len;
	100	int num_used;
	101	int col;
	102	char *color;
	103	double *history;
	104	};
	105
9e066e23	106	int svg_io_graph(struct plot plot, struct graph_dot_data gdd, char *color);
bfb0e441	107	int svg_line_graph(struct plot plot, struct graph_line_data gld, char *color, int thresh1, int thresh2);
9e066e23 CM	108	struct graph_line_data *alloc_line_data(int seconds, int stop_seconds);
	109	void free_line_data(struct graph_line_data *gld);
	110	struct graph_dot_data *alloc_dot_data(int seconds, u64 max_offset, int stop_seconds);
	111	void free_dot_data(struct graph_dot_data *gdd);
ba758825	112	void set_gdd_bit(struct graph_dot_data *gdd, u64 offset, double bytes, double time);
9e066e23 CM	113	void print_gdd(struct graph_dot_data *gdd);
9e066e23 CM	114	void write_svg_header(int fd);
ba758825	115	struct plot *alloc_plot(void);
9e066e23 CM	116	int close_plot(struct plot *plot);
	117	void setup_axis(struct plot *plot);
	118	void set_xticks(struct plot *plot, int num_ticks, int first, int last);
	119	void set_yticks(struct plot plot, int num_ticks, int first, int last, char units);
	120	void set_plot_title(struct plot plot, char title);
	121	void set_plot_label(struct plot plot, char label);
	122	void set_xlabel(struct plot plot, char label);
	123	void set_ylabel(struct plot plot, char label);
	124	void scale_line_graph_bytes(u64 max, char *units, u64 factor);
	125	void scale_line_graph_time(u64 max, char *units);
	126	void write_drop_shadow(struct plot *plot);
	127	void write_drop_shadow_line(struct plot *plot);
	128	void svg_write_legend(struct plot *plot);
	129	void svg_add_legend(struct plot plot, char text, char extra, char color);
	130	void svg_alloc_legend(struct plot *plot, int num_lines);
	131	void set_legend_width(int longest_str);
	132	void set_rolling_avg(int rolling);
e199d546	133	void svg_free_legend(struct plot *plot);
ba758825 CM	134	void set_io_graph_scale(int scale);
	135	void set_plot_output(struct plot plot, char filename);
	136	void set_graph_size(int width, int height);
	137	void get_graph_size(int width, int height);
	138	int svg_io_graph_movie(struct graph_dot_data gdd, struct plot_history ph, int col);
abf08f96	139	int svg_io_graph_movie_array(struct plot plot, struct plot_history ph);
ba758825 CM	140	void svg_write_time_line(struct plot *plot, int col);
	141	void set_graph_height(int h);
	142	void set_graph_width(int w);
abf08f96 CM	143	int close_plot_file(struct plot *plot);
	144	int svg_io_graph_movie_array_spindle(struct plot plot, struct plot_history ph);
	145	void rewind_spindle_steps(int num);
	146	void setup_axis_spindle(struct plot *plot);
9e066e23	147	#endif