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 */
42 * these two are for anyone that wants
43 * to add a plot after this one, it tells
44 * them how much space we took up
53 struct graph_line_pair {
58 struct graph_line_data {
59 /* total number of seconds in this graph */
67 /* label for this graph */
69 struct graph_line_pair data[];
72 struct graph_dot_data {
81 /* in pixels, number of rows in our bitmap */
83 /* in pixels, number of cols in our bitmap */
86 /* total number of seconds in this graph */
90 /* label for the legend */
93 /* bitmap, one bit for each cell to light up */
98 struct list_head list;
107 int svg_io_graph(struct plot *plot, struct graph_dot_data *gdd, char *color);
108 int svg_line_graph(struct plot *plot, struct graph_line_data *gld, char *color, int thresh1, int thresh2);
109 struct graph_line_data *alloc_line_data(int seconds, int stop_seconds);
110 void free_line_data(struct graph_line_data *gld);
111 struct graph_dot_data *alloc_dot_data(int seconds, u64 max_offset, int stop_seconds);
112 void free_dot_data(struct graph_dot_data *gdd);
113 void set_gdd_bit(struct graph_dot_data *gdd, u64 offset, double bytes, double time);
114 void print_gdd(struct graph_dot_data *gdd);
115 void write_svg_header(int fd);
116 struct plot *alloc_plot(void);
117 int close_plot(struct plot *plot);
118 int close_plot_no_height(struct plot *plot);
119 void setup_axis(struct plot *plot);
120 void set_xticks(struct plot *plot, int num_ticks, int first, int last);
121 void set_yticks(struct plot *plot, int num_ticks, int first, int last, char *units);
122 void set_plot_title(struct plot *plot, char *title);
123 void set_plot_label(struct plot *plot, char *label);
124 void set_xlabel(struct plot *plot, char *label);
125 void set_ylabel(struct plot *plot, char *label);
126 void scale_line_graph_bytes(u64 *max, char **units, u64 factor);
127 void scale_line_graph_time(u64 *max, char **units);
128 void write_drop_shadow(struct plot *plot);
129 void write_drop_shadow_line(struct plot *plot);
130 void svg_write_legend(struct plot *plot);
131 void svg_add_legend(struct plot *plot, char *text, char *extra, char *color);
132 void svg_alloc_legend(struct plot *plot, int num_lines);
133 void set_legend_width(int longest_str);
134 void set_rolling_avg(int rolling);
135 void svg_free_legend(struct plot *plot);
136 void set_io_graph_scale(int scale);
137 void set_plot_output(struct plot *plot, char *filename);
138 void set_graph_size(int width, int height);
139 void get_graph_size(int *width, int *height);
140 int svg_io_graph_movie(struct graph_dot_data *gdd, struct plot_history *ph, int col);
141 int svg_io_graph_movie_array(struct plot *plot, struct plot_history *ph);
142 void svg_write_time_line(struct plot *plot, int col);
143 void set_graph_height(int h);
144 void set_graph_width(int w);
145 int close_plot_file(struct plot *plot);
146 int svg_io_graph_movie_array_spindle(struct plot *plot, struct plot_history *ph);
147 void rewind_spindle_steps(int num);
148 void setup_axis_spindle(struct plot *plot);
149 int close_plot_col(struct plot *plot);