*
* 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
*
* Parts of this file were imported from Jens Axboe's blktrace sources (also GPL)
*/
static int final_height = 0;
static int final_width = 0;
-struct graph_line_data *alloc_line_data(int seconds, int stop_seconds)
+static char *colors[] = {
+ "blue", "darkgreen",
+ "red",
+ "darkviolet",
+ "orange",
+ "aqua",
+ "brown", "#00FF00",
+ "yellow", "coral",
+ "black", "darkred",
+ "fuchsia", "crimson",
+ NULL };
+
+extern unsigned int longest_proc_name;
+
+char *pick_color(void)
+{
+ static int color_index;
+ char *ret = colors[color_index];
+
+ if (!ret) {
+ color_index = 0;
+ ret = colors[color_index];
+ }
+ color_index++;
+ return ret;
+}
+
+char *pick_fio_color(void)
+{
+ static int fio_color_index;
+ char *ret = colors[fio_color_index];
+
+ if (!ret) {
+ fio_color_index = 0;
+ ret = colors[fio_color_index];
+ }
+ fio_color_index += 2;
+ return ret;
+}
+
+static int cpu_color_index;
+
+char *pick_cpu_color(void)
+{
+ char *ret = colors[cpu_color_index];
+ if (!ret) {
+ cpu_color_index = 0;
+ ret = colors[cpu_color_index];
+ }
+ cpu_color_index++;
+ return ret;
+}
+
+void reset_cpu_color(void)
+{
+ cpu_color_index = 0;
+}
+
+struct graph_line_data *alloc_line_data(int min_seconds, int max_seconds, int stop_seconds)
{
int size = sizeof(struct graph_line_data) + (stop_seconds + 1) * sizeof(struct graph_line_pair);
struct graph_line_data *gld;
fprintf(stderr, "Unable to allocate memory for graph data\n");
exit(1);
}
- gld->seconds = seconds;
+ gld->min_seconds = min_seconds;
+ gld->max_seconds = max_seconds;
gld->stop_seconds = stop_seconds;
return gld;
}
free(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)
{
int size;
int arr_size;
arr_size = (rows + 1) * cols;
/* the number of bytes */
- arr_size /= 8;
+ arr_size = (arr_size + 7) / 8;
gdd = calloc(1, size + arr_size);
if (!gdd) {
fprintf(stderr, "Unable to allocate memory for graph data\n");
exit(1);
}
- gdd->seconds = seconds;
+ gdd->min_seconds = min_seconds;
+ gdd->max_seconds = max_seconds;
gdd->stop_seconds = stop_seconds;
gdd->rows = rows;
gdd->cols = cols;
+ gdd->min_offset = min_offset;
gdd->max_offset = max_offset;
+ gdd->color = color;
+ gdd->label = label;
+
+ if (strlen(label) > longest_proc_name)
+ longest_proc_name = strlen(label);
+
return gdd;
}
void set_gdd_bit(struct graph_dot_data *gdd, u64 offset, double bytes, double time)
{
- double bytes_per_row = (double)gdd->max_offset / gdd->rows;
-
- double secs_per_col = (double)gdd->seconds / gdd->cols;
+ double bytes_per_row = (double)(gdd->max_offset - gdd->min_offset + 1) / gdd->rows;
+ double secs_per_col = (double)(gdd->max_seconds - gdd->min_seconds) / gdd->cols;
double col;
double row;
int col_int;
int bit_mod;
double mod = bytes_per_row;
- if (offset > gdd->max_offset)
+ if (offset > gdd->max_offset || offset < gdd->min_offset)
return;
-
gdd->total_ios++;
time = time / 1000000000.0;
- while (bytes > 0) {
- row = (double)offset / bytes_per_row;
- col = time / secs_per_col;
+ while (bytes > 0 && offset <= gdd->max_offset) {
+ row = (double)(offset - gdd->min_offset) / bytes_per_row;
+ col = (time - gdd->min_seconds) / secs_per_col;
col_int = floor(col);
row_int = floor(row);
write(fd, header, strlen(header));
/* write a bunch of spaces so we can stuff in the width and height later */
write(fd, spaces, strlen(spaces));
+ write(fd, spaces, strlen(spaces));
+ write(fd, spaces, strlen(spaces));
write(fd, defs_start, strlen(defs_start));
write(fd, filter1, strlen(filter1));
return (int)axis_x_off_double(x);
}
-
/*
* this draws a backing rectangle for the plot and it
* also creates a new svg element so our offsets can
int len;
int fd = plot->fd;
int bump_height = tick_font_size * 3 + axis_label_font_size;
+ int local_legend_width = legend_width;
- plot->total_width = axis_x_off(graph_width) + graph_left_pad / 2 + legend_width;
+ if (plot->no_legend)
+ local_legend_width = 0;
+
+ plot->total_width = axis_x_off(graph_width) + graph_left_pad / 2 + local_legend_width;
plot->total_height = axis_y() + tick_label_pad + tick_font_size;
if (plot->add_xlabel)
plot->total_height += bump_height;
/* backing rect */
- snprintf(line, line_len, "<rect x=\"0\" y=\"%d\" width=\"%d\" "
+ snprintf(line, line_len, "<rect x=\"%d\" y=\"%d\" width=\"%d\" "
"height=\"%d\" fill=\"white\" stroke=\"none\"/>",
+ plot->start_x_offset,
plot->start_y_offset, plot->total_width + 40,
plot->total_height + 20);
len = strlen(line);
write(fd, line, len);
- snprintf(line, line_len, "<rect x=\"15\" y=\"%d\" width=\"%d\" "
+ snprintf(line, line_len, "<rect x=\"%d\" y=\"%d\" width=\"%d\" "
"filter=\"url(#shadow)\" "
"height=\"%d\" fill=\"white\" stroke=\"none\"/>",
+ plot->start_x_offset + 15,
plot->start_y_offset, plot->total_width, plot->total_height);
len = strlen(line);
write(fd, line, len);
plot->total_height += 20;
+ plot->total_width += 20;
if (plot->total_height + plot->start_y_offset > final_height)
final_height = plot->total_height + plot->start_y_offset;
- if (plot->total_width + 40 > final_width)
- final_width = plot->total_width + 40;
+ if (plot->start_x_offset + plot->total_width + 40 > final_width)
+ final_width = plot->start_x_offset + plot->total_width + 40;
/* create an svg object for all our coords to be relative against */
snprintf(line, line_len, "<svg x=\"%d\" y=\"%d\">\n", plot->start_x_offset, plot->start_y_offset);
int fd = plot->fd;
int bump_height = tick_font_size * 3 + axis_label_font_size;
- plot->total_width = axis_x_off(graph_width) + graph_left_pad / 2 + legend_width;
+ legend_x_off = -60;
+
+ plot->total_width = axis_x_off(graph_width) + legend_width;
plot->total_height = axis_y() + tick_label_pad + tick_font_size;
if (plot->add_xlabel)
plot->total_height += bump_height;
/* backing rect */
- snprintf(line, line_len, "<rect x=\"0\" y=\"%d\" width=\"%d\" "
+ snprintf(line, line_len, "<rect x=\"%d\" y=\"%d\" width=\"%d\" "
"height=\"%d\" fill=\"white\" stroke=\"none\"/>",
- plot->start_y_offset, plot->total_width + 40,
+ plot->start_x_offset,
+ plot->start_y_offset, plot->total_width + 10,
plot->total_height + 20);
len = strlen(line);
write(fd, line, len);
- snprintf(line, line_len, "<rect x=\"15\" y=\"%d\" width=\"%d\" "
+ snprintf(line, line_len, "<rect x=\"%d\" y=\"%d\" width=\"%d\" "
"filter=\"url(#shadow)\" "
"height=\"%d\" fill=\"white\" stroke=\"none\"/>",
- plot->start_y_offset, plot->total_width, plot->total_height);
+ plot->start_x_offset + 15,
+ plot->start_y_offset, plot->total_width - 30,
+ plot->total_height);
len = strlen(line);
write(fd, line, len);
plot->total_height += 20;
if (plot->total_height + plot->start_y_offset > final_height)
final_height = plot->total_height + plot->start_y_offset;
- if (plot->total_width + 40 > final_width)
- final_width = plot->total_width + 40;
+ if (plot->start_x_offset + plot->total_width + 40 > final_width)
+ final_width = plot->start_x_offset + plot->total_width + 40;
/* create an svg object for all our coords to be relative against */
snprintf(line, line_len, "<svg x=\"%d\" y=\"%d\">\n", plot->start_x_offset, plot->start_y_offset);
write(fd, line, len);
}
+#define TICK_MINI_STEPS 3
+
+static double find_step(double first, double last, int num_ticks)
+{
+ int mini_step[TICK_MINI_STEPS] = { 1, 2, 5 };
+ int cur_mini_step = 0;
+ double step = (last - first) / num_ticks;
+ double log10 = log(10);
+
+ /* Round to power of 10 */
+ step = exp(floor(log(step) / log10) * log10);
+ /* Scale down step to provide enough ticks */
+ while (cur_mini_step < TICK_MINI_STEPS
+ && (last - first) / (step * mini_step[cur_mini_step]) > num_ticks)
+ cur_mini_step++;
+
+ if (cur_mini_step > 0)
+ step *= mini_step[cur_mini_step - 1];
+
+ return step;
+}
+
/*
* create evenly spread out ticks along the xaxis. if tick only is set
* this just makes the ticks, otherwise it labels each tick as it goes
*/
void set_xticks(struct plot *plot, int num_ticks, int first, int last)
{
- int pixels_per_tick = graph_width / num_ticks;
- int step = (last - first) / num_ticks;
+ int pixels_per_tick;
+ double step;
int i;
int tick_y = axis_y_off(graph_tick_len) + graph_inner_y_margin;
int tick_x = axis_x();
char *middle = "middle";
char *start = "start";
+ step = find_step(first, last, num_ticks);
+ /*
+ * We don't want last two ticks to be too close together so subtract
+ * 20% of the step from the interval
+ */
+ num_ticks = (double)(last - first - step / 5) / step + 1;
+ pixels_per_tick = graph_width * step / (double)(last - first);
+
for (i = 0; i < num_ticks; i++) {
char *anchor;
if (i != 0) {
}
if (!tick_only) {
- snprintf(line, line_len, "<text x=\"%d\" y=\"%d\" font-family=\"%s\" font-size=\"%d\" "
- "fill=\"black\" style=\"text-anchor: %s\">%d</text>\n",
- tick_x, text_y, font_family, tick_font_size, anchor, step * i);
+ if (step >= 1)
+ snprintf(line, line_len, "<text x=\"%d\" y=\"%d\" font-family=\"%s\" font-size=\"%d\" "
+ "fill=\"black\" style=\"text-anchor: %s\">%d</text>\n",
+ tick_x, text_y, font_family, tick_font_size, anchor,
+ (int)(first + step * i));
+ else
+ snprintf(line, line_len, "<text x=\"%d\" y=\"%d\" font-family=\"%s\" font-size=\"%d\" "
+ "fill=\"black\" style=\"text-anchor: %s\">%.2f</text>\n",
+ tick_x, text_y, font_family, tick_font_size, anchor,
+ first + step * i);
write(plot->fd, line, strlen(line));
}
tick_x += pixels_per_tick;
}
if (!tick_only) {
- snprintf(line, line_len, "<text x=\"%d\" y=\"%d\" font-family=\"%s\" font-size=\"%d\" "
- "fill=\"black\" style=\"text-anchor: middle\">%d</text>\n",
- axis_x_off(graph_width - 2),
- text_y, font_family, tick_font_size, last);
+ if (step >= 1)
+ snprintf(line, line_len, "<text x=\"%d\" y=\"%d\" font-family=\"%s\" font-size=\"%d\" "
+ "fill=\"black\" style=\"text-anchor: middle\">%d</text>\n",
+ axis_x_off(graph_width - 2),
+ text_y, font_family, tick_font_size, last);
+ else
+ snprintf(line, line_len, "<text x=\"%d\" y=\"%d\" font-family=\"%s\" font-size=\"%d\" "
+ "fill=\"black\" style=\"text-anchor: middle\">%.2f</text>\n",
+ axis_x_off(graph_width - 2),
+ text_y, font_family, tick_font_size, (double)last);
write(plot->fd, line, strlen(line));
}
}
"fill=\"black\" style=\"text-anchor: %s\">%d%s</text>\n",
text_x,
axis_y_off(tick_y - tick_font_size / 2),
- font_family, tick_font_size, anchor, step * i, units);
+ font_family, tick_font_size, anchor, first + step * i, units);
write(plot->fd, line, strlen(line));
tick_y += pixels_per_tick;
}
int close_plot(struct plot *plot)
{
close_svg(plot->fd);
- plot->start_y_offset += plot->total_height;
- plot->add_xlabel = 0;
+ if (plot->direction == PLOT_DOWN)
+ plot->start_y_offset += plot->total_height;
+ else if (plot->direction == PLOT_ACROSS)
+ plot->start_x_offset += plot->total_width;
return 0;
}
"width=\"%d\" height=\"%d\">\n",
final_width, final_height);
write(plot->fd, line, strlen(line));
+ snprintf(line, line_len, "<rect x=\"0\" y=\"0\" width=\"%d\" "
+ "height=\"%d\" fill=\"white\"/>\n", final_width, final_height);
+ write(plot->fd, line, strlen(line));
close(plot->fd);
plot->fd = 0;
return 0;
int fd = plot->fd;
char *start = "<path d=\"";
double yscale = ((double)gld->max) / graph_height;
- double xscale = (double)(gld->seconds - 1) / graph_width;
+ double xscale = (double)(gld->max_seconds - gld->min_seconds - 1) / graph_width;
char c = 'M';
double x;
int printed_header = 0;
else if (rolling_avg_secs)
rolling = rolling_avg_secs;
else
- rolling = gld->stop_seconds / 25;
+ rolling = (gld->stop_seconds - gld->min_seconds) / 25;
- for (i = 0; i < gld->stop_seconds; i++) {
+ for (i = gld->min_seconds; i < gld->stop_seconds; i++) {
avg = rolling_avg(gld->data, i, rolling);
if (yscale == 0)
val = 0;
if (val < 0)
val = 0;
- x = (double)i / xscale;
+ x = (double)(i - gld->min_seconds) / xscale;
if (!thresh1 && !thresh2) {
if (!printed_header) {
}
/* otherwise, we just print a bar up there to show this one data point */
- if (i == gld->stop_seconds)
+ if (i >= gld->stop_seconds - 2)
len = -10;
/*
snprintf(line, line_len, "\" fill=\"none\" stroke=\"%s\" stroke-width=\"2\"/>\n", color);
write(fd, line, strlen(line));
}
+ if (plot->timeline)
+ svg_write_time_line(plot, plot->timeline);
return 0;
}
return write(fd, line, strlen(line));
}
-int svg_io_graph_movie_array(struct plot *plot, struct plot_history *ph)
+int svg_io_graph_movie_array(struct plot *plot, struct pid_plot_history *pph)
{
double cell_index;
double movie_row;
double movie_col;
int i;
- for (i = 0; i < ph->num_used; i++) {
- cell_index = ph->history[i];
+ for (i = 0; i < pph->num_used; i++) {
+ cell_index = pph->history[i];
movie_row = floor(cell_index / graph_width);
movie_col = cell_index - movie_row * graph_width;
- svg_add_io(plot->fd, movie_row, movie_col, 4, 4, ph->color);
+ svg_add_io(plot->fd, movie_row, movie_col, 4, 4, pph->color);
}
return 0;
}
spindle_steps -= num * 0.01;
}
-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 *pph)
{
double cell_index;
int i;
"<circle cx=\"%.2f\" cy=\"%.2f\" "
"stroke=\"black\" stroke-width=\"6\" "
"r=\"%.2f\" fill=\"none\"/>\n",
- -spindle_steps * 1.2, center_x, center_y, center_x, center_y, graph_width_extra / 2);
+ spindle_steps * 1.2, center_x, center_y, center_x, center_y, graph_width_extra / 2);
write(plot->fd, line, strlen(line));
snprintf(line, line_len, "<circle cx=\"%.2f\" cy=\"%.2f\" "
"stroke=\"none\" fill=\"red\" r=\"%.2f\"/>\n</g>\n",
radius = floor(radius / 2);
num_circles = radius / 4 - 3;
- cells_per_circle = ph->history_max / num_circles;
+ cells_per_circle = pph->history_max / num_circles;
degrees_per_cell = 360 / cells_per_circle;
- for (i = 0; i < ph->num_used; i++) {
- cell_index = ph->history[i];
+ for (i = 0; i < pph->num_used; i++) {
+ cell_index = pph->history[i];
circle_num = floor(cell_index / cells_per_circle);
rot = cell_index - circle_num * cells_per_circle;
circle_num = num_circles - circle_num;
snprintf(line, line_len, "<path transform=\"rotate(%.4f, %.2f, %.2f)\" "
"d=\"M %.2f %.2f a %.2f %.2f 0 0 1 0 5\" "
"stroke=\"%s\" stroke-width=\"4\"/>\n",
- rot, center_x, center_y,
+ -rot, center_x, center_y,
axis_x_off_double(graph_width_extra / 2 + radius) + 8, center_y,
- radius, radius, ph->color);
+ radius, radius, pph->color);
write(plot->fd, line, strlen(line));
}
return 0;
}
-static int add_plot_history(struct plot_history *ph, double val)
+static int add_plot_history(struct pid_plot_history *pph, double val)
{
- if (ph->num_used == ph->history_len) {
- ph->history = realloc(ph->history,
- (ph->history_len + 4096) * sizeof(double));
- if (!ph->history) {
+ if (pph->num_used == pph->history_len) {
+ pph->history_len += 4096;
+ pph->history = realloc(pph->history,
+ pph->history_len * sizeof(double));
+ if (!pph->history) {
perror("Unable to allocate memory");
exit(1);
}
- ph->history_len += 4096;
}
- ph->history[ph->num_used++] = val;
+ pph->history[pph->num_used++] = val;
return 0;
}
-int svg_io_graph_movie(struct graph_dot_data *gdd, struct plot_history *ph, int col)
+int svg_io_graph_movie(struct graph_dot_data *gdd, struct pid_plot_history *pph, int col)
{
int row = 0;
int arr_index;
unsigned char val;
int bit_index;
int bit_mod;
- double blocks_per_row = gdd->max_offset / gdd->rows;
- double movie_blocks_per_cell = gdd->max_offset / (graph_width * graph_height);
+ double blocks_per_row = (gdd->max_offset - gdd->min_offset + 1) / gdd->rows;
+ double movie_blocks_per_cell = (gdd->max_offset - gdd->min_offset + 1) / (graph_width * graph_height);
double cell_index;
int margin_orig = graph_inner_y_margin;
graph_inner_y_margin += 5;
- ph->history_max = gdd->max_offset / movie_blocks_per_cell;
+ pph->history_max = (gdd->max_offset - gdd->min_offset + 1) / movie_blocks_per_cell;
for (row = gdd->rows - 1; row >= 0; row--) {
bit_index = row * gdd->cols + col;
/* a cell number in the graph */
cell_index /= movie_blocks_per_cell;
- add_plot_history(ph, cell_index);
+ add_plot_history(pph, cell_index);
}
}
graph_inner_y_margin = margin_orig;
return 0;
}
-int svg_io_graph(struct plot *plot, struct graph_dot_data *gdd, char *color)
+int svg_io_graph(struct plot *plot, struct graph_dot_data *gdd)
{
int fd = plot->fd;;
int col = 0;
continue;
val = gdd->data[arr_index];
if (val & (1 << bit_mod))
- svg_add_io(fd, floor(row / io_graph_scale), col, 1.5, 1.5, color);
+ svg_add_io(fd, floor(row / io_graph_scale), col, 1.5, 1.5, gdd->color);
}
}
return 0;
projects / blktrace.git / blobdiff