iowatcher: Add bounds checking in find_step

[blktrace.git] / iowatcher / plot.h

diff --git a/iowatcher/plot.h b/iowatcher/plot.h
index 1d534dd6cf70ad5f6bd779bbc14ef535a4fc983b..f7dea5dcb761ad2c7df8517761f9cd4f9966ec77 100644 (file)
--- a/iowatcher/plot.h
+++ b/iowatcher/plot.h
@@ -12,7 +12,7 @@
  *
  *  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
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  *
  */
 #ifndef __IOWATCH_PLOT__
@@ -26,6 +26,10 @@ typedef __u32 u32;
 typedef __u16 u16;
 
 
+/* values for the plot direction field */
+#define PLOT_DOWN 0
+#define PLOT_ACROSS 1
+
 struct plot {
        int fd;
 
@@ -36,6 +40,7 @@ struct plot {
        int start_x_offset;
 
        int add_xlabel;
+       int no_legend;
 
        /*
         * these two are for anyone that wants
@@ -47,6 +52,14 @@ struct plot {
        char **legend_lines;
        int legend_index;
        int num_legend_lines;
+       int direction;
+
+       /*
+        * timeline is a vertical line through line graphs that
+        * is used by the movie mode to show where in the graph
+        * our current frame lives
+        */
+       int timeline;
 };
 
 struct graph_line_pair {
@@ -55,8 +68,11 @@ struct graph_line_pair {
 };
 
 struct graph_line_data {
-       /* total number of seconds in this graph */
-       int seconds;
+       /* beginning of an interval displayed by this graph */
+       int min_seconds;
+
+       /* end of an interval displayed by this graph */
+       int max_seconds;
 
        int stop_seconds;
 
@@ -69,46 +85,69 @@ struct graph_line_data {
 };
 
 struct graph_dot_data {
+       u64 min_offset;
        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;
+       /* beginning of an interval displayed by this graph */
+       int min_seconds;
+
+       /* end of an interval displayed by this graph */
+       int max_seconds;
        int stop_seconds;
 
        /* label for the legend */
        char *label;
 
+       /* color for plotting data */
+       char *color;
+
        /* bitmap, one bit for each cell to light up */
        unsigned char data[];
 };
 
-struct plot_history {
-       struct list_head list;
+struct pid_plot_history {
        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);
-struct graph_line_data *alloc_line_data(int seconds, int stop_seconds);
+struct plot_history {
+       struct list_head list;
+       int pid_history_count;
+       int col;
+       struct pid_plot_history **read_pid_history;
+       struct pid_plot_history **write_pid_history;
+};
+
+char *pick_color(void);
+char *pick_fio_color(void);
+char *pick_cpu_color(void);
+void reset_cpu_color(void);
+int svg_io_graph(struct plot *plot, struct graph_dot_data *gdd);
+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 min_seconds, int max_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);
+struct graph_dot_data *alloc_dot_data(int min_seconds, int max_seconds, u64 min_offset, u64 max_offset, int stop_seconds, char *color, char *label);
 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);
+int close_plot_no_height(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);
@@ -130,13 +169,15 @@ 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);
+int svg_io_graph_movie(struct graph_dot_data *gdd, struct pid_plot_history *ph, int col);
+int svg_io_graph_movie_array(struct plot *plot, struct pid_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);
+int svg_io_graph_movie_array_spindle(struct plot *plot, struct pid_plot_history *ph);
 void rewind_spindle_steps(int num);
 void setup_axis_spindle(struct plot *plot);
+int close_plot_col(struct plot *plot);
+
 #endif