2 * Copyright (C) 2012 Fusion-io
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.
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.
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
18 #ifndef __IOWATCH_PLOT__
19 #define __IOWATCH_PLOT__
32 /* svg style y = 0 is the top of the graph */
35 /* abs coords of the start of X start of the plot */
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
52 struct graph_line_pair {
57 struct graph_line_data {
58 /* total number of seconds in this graph */
66 /* label for this graph */
68 struct graph_line_pair data[];
71 struct graph_dot_data {
80 /* in pixels, number of rows in our bitmap */
82 /* in pixels, number of cols in our bitmap */
85 /* total number of seconds in this graph */
89 /* label for the legend */
92 /* bitmap, one bit for each cell to light up */
97 struct list_head list;
106 int svg_io_graph(struct plot *plot, struct graph_dot_data *gdd, char *color);
107 int svg_line_graph(struct plot *plot, struct graph_line_data *gld, char *color, int thresh1, int thresh2);
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);
112 void set_gdd_bit(struct graph_dot_data *gdd, u64 offset, double bytes, double time);
113 void print_gdd(struct graph_dot_data *gdd);
114 void write_svg_header(int fd);
115 struct plot *alloc_plot(void);
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);
133 void svg_free_legend(struct plot *plot);
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);
139 int svg_io_graph_movie_array(struct plot *plot, struct plot_history *ph);
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);
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);