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__
29 /* values for the plot direction field */
36 /* svg style y = 0 is the top of the graph */
39 /* abs coords of the start of X start of the plot */
46 * these two are for anyone that wants
47 * to add a plot after this one, it tells
48 * them how much space we took up
58 * timeline is a vertical line through line graphs that
59 * is used by the movie mode to show where in the graph
60 * our current frame lives
65 struct graph_line_pair {
70 struct graph_line_data {
71 /* total number of seconds in this graph */
79 /* label for this graph */
81 struct graph_line_pair data[];
84 struct graph_dot_data {
94 /* in pixels, number of rows in our bitmap */
96 /* in pixels, number of cols in our bitmap */
99 /* total number of seconds in this graph */
103 /* label for the legend */
106 /* bitmap, one bit for each cell to light up */
107 unsigned char data[];
110 struct plot_history {
111 struct list_head list;
120 int svg_io_graph(struct plot *plot, struct graph_dot_data *gdd, char *color);
121 int svg_line_graph(struct plot *plot, struct graph_line_data *gld, char *color, int thresh1, int thresh2);
122 struct graph_line_data *alloc_line_data(int max_seconds, int stop_seconds);
123 void free_line_data(struct graph_line_data *gld);
124 struct graph_dot_data *alloc_dot_data(int max_seconds, u64 min_offset, u64 max_offset, int stop_seconds);
125 void free_dot_data(struct graph_dot_data *gdd);
126 void set_gdd_bit(struct graph_dot_data *gdd, u64 offset, double bytes, double time);
127 void print_gdd(struct graph_dot_data *gdd);
128 void write_svg_header(int fd);
129 struct plot *alloc_plot(void);
130 int close_plot(struct plot *plot);
131 int close_plot_no_height(struct plot *plot);
132 void setup_axis(struct plot *plot);
133 void set_xticks(struct plot *plot, int num_ticks, int first, int last);
134 void set_yticks(struct plot *plot, int num_ticks, int first, int last, char *units);
135 void set_plot_title(struct plot *plot, char *title);
136 void set_plot_label(struct plot *plot, char *label);
137 void set_xlabel(struct plot *plot, char *label);
138 void set_ylabel(struct plot *plot, char *label);
139 void scale_line_graph_bytes(u64 *max, char **units, u64 factor);
140 void scale_line_graph_time(u64 *max, char **units);
141 void write_drop_shadow(struct plot *plot);
142 void write_drop_shadow_line(struct plot *plot);
143 void svg_write_legend(struct plot *plot);
144 void svg_add_legend(struct plot *plot, char *text, char *extra, char *color);
145 void svg_alloc_legend(struct plot *plot, int num_lines);
146 void set_legend_width(int longest_str);
147 void set_rolling_avg(int rolling);
148 void svg_free_legend(struct plot *plot);
149 void set_io_graph_scale(int scale);
150 void set_plot_output(struct plot *plot, char *filename);
151 void set_graph_size(int width, int height);
152 void get_graph_size(int *width, int *height);
153 int svg_io_graph_movie(struct graph_dot_data *gdd, struct plot_history *ph, int col);
154 int svg_io_graph_movie_array(struct plot *plot, struct plot_history *ph);
155 void svg_write_time_line(struct plot *plot, int col);
156 void set_graph_height(int h);
157 void set_graph_width(int w);
158 int close_plot_file(struct plot *plot);
159 int svg_io_graph_movie_array_spindle(struct plot *plot, struct plot_history *ph);
160 void rewind_spindle_steps(int num);
161 void setup_axis_spindle(struct plot *plot);
162 int close_plot_col(struct plot *plot);