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/*
* Copyright © 2006 Red Hat, Inc.
* Copyright © 2009 Chris Wilson
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of the
* copyright holders not be used in advertising or publicity
* pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*
* Authors: Carl Worth <cworth@cworth.org>
* Chris Wilson <chris@chris-wilson.co.uk>
*/
#include "cairo-perf.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <math.h>
#include <assert.h>
struct chart {
cairo_perf_report_t *reports;
const char **names;
cairo_t *cr;
int width, height;
int num_tests, num_reports;
double min_value, max_value;
double *average;
cairo_bool_t use_html;
cairo_bool_t relative;
};
struct color {
double red, green, blue;
};
#define FONT_SIZE 12
#define PAD (4)
static double
to_factor (double x)
{
#if 1
if (x > 1.)
return (x-1) * 100.;
else
return (1. - 1./x) * 100.;
#else
return log (x);
#endif
}
static int
_double_cmp (const void *_a,
const void *_b)
{
const double *a = _a;
const double *b = _b;
if (*a > *b)
return 1;
if (*a < *b)
return -1;
return 0;
}
static void
trim_outliers (double *values,
int num_values,
double *min,
double *max)
{
double q1, q3, iqr;
double outlier_min, outlier_max;
int i;
/* First, identify any outliers, using the definition of "mild
* outliers" from:
*
* http://en.wikipedia.org/wiki/Outliers
*
* Which is that outliers are any values less than Q1 - 1.5 * IQR
* or greater than Q3 + 1.5 * IQR where Q1 and Q3 are the first
* and third quartiles and IQR is the inter-quartile range (Q3 -
* Q1).
*/
qsort (values, num_values,
sizeof (double), _double_cmp);
q1 = values[1*num_values / 6];
q3 = values[5*num_values / 6];
iqr = q3 - q1;
outlier_min = q1 - 3 * iqr;
outlier_max = q3 + 3 * iqr;
i = 0;
while (i < num_values && values[i] < outlier_min)
i++;
if (i == num_values)
return;
*min = values[i];
while (i < num_values && values[i] <= outlier_max)
i++;
*max = values[i-1];
}
static void
find_ranges (struct chart *chart)
{
test_report_t **tests, *min_test;
double *values;
int num_values, size_values;
double min = 0, max = 0;
double test_time;
int seen_non_null;
int num_tests = 0;
double slow_sum = 0, fast_sum = 0, sum;
int slow_count = 0, fast_count = 0;
int *count;
int i;
num_values = 0;
size_values = 64;
values = xmalloc (size_values * sizeof (double));
chart->average = xmalloc(chart->num_reports * sizeof(double));
count = xmalloc(chart->num_reports * sizeof(int));
for (i = 0; i < chart->num_reports; i++) {
chart->average[i] = 0;
count[i] = 0;
}
tests = xmalloc (chart->num_reports * sizeof (test_report_t *));
for (i = 0; i < chart->num_reports; i++)
tests[i] = chart->reports[i].tests;
while (1) {
/* We expect iterations values of 0 when multiple raw reports
* for the same test have been condensed into the stats of the
* first. So we just skip these later reports that have no
* stats. */
seen_non_null = 0;
for (i = 0; i < chart->num_reports; i++) {
while (tests[i]->name && tests[i]->stats.iterations == 0)
tests[i]++;
if (tests[i]->name)
seen_non_null++;
}
if (! seen_non_null)
break;
num_tests++;
/* Find the minimum of all current tests, (we have to do this
* in case some reports don't have a particular test). */
for (i = 0; i < chart->num_reports; i++) {
if (tests[i]->name) {
min_test = tests[i];
break;
}
}
for (++i; i < chart->num_reports; i++) {
if (tests[i]->name && test_report_cmp_name (tests[i], min_test) < 0)
min_test = tests[i];
}
test_time = 0;
for (i = 0; i < chart->num_reports; i++) {
double report_time = HUGE_VAL;
while (tests[i]->name &&
test_report_cmp_name (tests[i], min_test) == 0)
{
double time = tests[i]->stats.min_ticks;
if (time < report_time) {
time /= tests[i]->stats.ticks_per_ms;
if (time < report_time)
report_time = time;
}
tests[i]++;
}
if (report_time != HUGE_VAL) {
if (test_time == 0)
test_time = report_time;
chart->average[i] += report_time / test_time;
count[i]++;
if (chart->relative) {
if (test_time != report_time) {
double v = to_factor (test_time / report_time);
if (num_values == size_values) {
size_values *= 2;
values = xrealloc (values,
size_values * sizeof (double));
}
values[num_values++] = v;
if (v < min)
min = v;
if (v > max)
max = v;
if (v > 0)
fast_sum += v/100, fast_count++;
else
slow_sum += v/100, slow_count++;
sum += v/100;
printf ("%s %d: %f\n", min_test->name, num_values, v);
}
} else {
if (report_time < min)
min = report_time;
if (report_time > max)
max = report_time;
}
}
}
}
for (i = 0; i < chart->num_reports; i++) {
if (count[i])
chart->average[i] = count[i] / chart->average[i];
else
chart->average[i] = 1.;
}
if (chart->relative)
trim_outliers (values, num_values, &min, &max);
chart->min_value = min;
chart->max_value = max;
chart->num_tests = num_tests + !!chart->relative;
free (values);
free (tests);
free (count);
printf ("%d: slow[%d] average: %f, fast[%d] average: %f, %f\n",
num_values, slow_count, slow_sum / slow_count, fast_count, fast_sum / fast_count, sum / num_values);
}
#define SET_COLOR(C, R, G, B) (C)->red = (R), (C)->green = (G), (C)->blue = (B)
static void
hsv_to_rgb (double h,
double s,
double v,
struct color *color)
{
double m, n, f;
int i;
while (h < 0)
h += 6.;
while (h > 6.)
h -= 6.;
if (s < 0.)
s = 0.;
if (s > 1.)
s = 1.;
if (v < 0.)
v = 0.;
if (v > 1.)
v = 1.;
i = floor (h);
f = h - i;
if ((i & 1) == 0)
f = 1 - f;
m = v * (1 - s);
n = v * (1 - s * f);
switch(i){
default:
case 6:
case 0: SET_COLOR (color, v, n, m); break;
case 1: SET_COLOR (color, n, v, m); break;
case 2: SET_COLOR (color, m, v, n); break;
case 3: SET_COLOR (color, m, n, v); break;
case 4: SET_COLOR (color, n, m, v); break;
case 5: SET_COLOR (color, v, m, n); break;
}
}
static void set_report_color (struct chart *chart, int report)
{
struct color color;
hsv_to_rgb (6. / chart->num_reports * report, .7, .7, &color);
cairo_set_source_rgb (chart->cr, color.red, color.green, color.blue);
}
static void set_report_gradient (struct chart *chart, int report,
double x, double y, double w, double h)
{
struct color color;
cairo_pattern_t *p;
hsv_to_rgb (6. / chart->num_reports * report, .7, .7, &color);
p = cairo_pattern_create_linear (x, 0, x+w, 0);
cairo_pattern_add_color_stop_rgba (p, 0.0,
color.red, color.green, color.blue,
.50);
cairo_pattern_add_color_stop_rgba (p, 0.5,
color.red, color.green, color.blue,
.50);
cairo_pattern_add_color_stop_rgba (p, 1.0,
color.red, color.green, color.blue,
1.0);
cairo_set_source (chart->cr, p);
cairo_pattern_destroy (p);
}
static void
test_background (struct chart *c,
int test)
{
double dx, x;
dx = c->width / (double) c->num_tests;
x = dx * test;
if (test & 1)
cairo_set_source_rgba (c->cr, .2, .2, .2, .2);
else
cairo_set_source_rgba (c->cr, .8, .8, .8, .2);
cairo_rectangle (c->cr, floor (x), 0,
floor (dx + x) - floor (x), c->height);
cairo_fill (c->cr);
}
static void
add_chart (struct chart *c,
int test,
int report,
double value)
{
double dx, dy, x;
if (fabs (value) < 0.1)
return;
if (c->relative) {
cairo_text_extents_t extents;
char buf[80];
double y;
dy = (c->height/2. - PAD) / MAX (-c->min_value, c->max_value);
/* the first report is always skipped, as it is used as the baseline */
dx = c->width / (double) (c->num_tests * c->num_reports);
x = dx * (c->num_reports * test + report - .5);
cairo_rectangle (c->cr,
floor (x), c->height / 2.,
floor (x + dx) - floor (x),
ceil (-dy*value - c->height/2.) + c->height/2.);
if (dx < 5) {
set_report_color (c, report);
cairo_fill (c->cr);
} else {
set_report_gradient (c, report,
floor (x), c->height / 2.,
floor (x + dx) - floor (x),
ceil (-dy*value - c->height/2.) + c->height/2.);
cairo_fill_preserve (c->cr);
cairo_save (c->cr);
cairo_clip_preserve (c->cr);
set_report_color (c, report);
cairo_stroke (c->cr);
cairo_restore (c->cr);
}
/* Skip the label if the difference between the two is less than 0.1% */
if (fabs (value) < 0.1)
return;
cairo_save (c->cr);
cairo_set_font_size (c->cr, dx - 2);
if (value < 0) {
sprintf (buf, "%.1f", -value/100 + 1);
} else {
sprintf (buf, "%.1f", value/100 + 1);
}
cairo_text_extents (c->cr, buf, &extents);
/* will it be clipped? */
y = -dy * value;
if (y < -c->height/2) {
y = -c->height/2;
} else if (y > c->height/2) {
y = c->height/2;
}
if (y < 0) {
if (y > -extents.width - 6)
y -= extents.width + 6;
} else {
if (y < extents.width + 6)
y += extents.width + 6;
}
cairo_translate (c->cr,
floor (x) + (floor (x + dx) - floor (x))/2,
floor (y) + c->height/2.);
cairo_rotate (c->cr, -M_PI/2);
if (y < 0) {
cairo_move_to (c->cr, -extents.x_bearing -extents.width - 4, -extents.y_bearing/2);
} else {
cairo_move_to (c->cr, 2, -extents.y_bearing/2);
}
cairo_set_source_rgb (c->cr, .95, .95, .95);
cairo_show_text (c->cr, buf);
cairo_restore (c->cr);
} else {
dy = (c->height - PAD) / c->max_value;
dx = c->width / (double) (c->num_tests * (c->num_reports+1));
x = dx * ((c->num_reports+1) * test + report + .5);
cairo_rectangle (c->cr,
floor (x), c->height,
floor (x + dx) - floor (x),
floor (c->height - dy*value) - c->height);
if (dx < 5) {
set_report_color (c, report);
cairo_fill (c->cr);
} else {
set_report_gradient (c, report,
floor (x), c->height,
floor (x + dx) - floor (x),
floor (c->height - dy*value) - c->height);
cairo_fill_preserve (c->cr);
cairo_save (c->cr);
cairo_clip_preserve (c->cr);
set_report_color (c, report);
cairo_stroke (c->cr);
cairo_restore (c->cr);
}
}
}
static void
add_average (struct chart *c,
int test,
int report,
double value)
{
double dx, dy, x;
cairo_text_extents_t extents;
char buf[80];
double y;
if (fabs (value) < 0.1)
return;
dy = (c->height/2. - PAD) / MAX (-c->min_value, c->max_value);
/* the first report is always skipped, as it is used as the baseline */
dx = c->width / (double) (c->num_tests * c->num_reports);
x = dx * (c->num_reports * test + report - .5);
cairo_rectangle (c->cr,
floor (x), c->height / 2.,
floor (x + dx) - floor (x),
ceil (-dy*value - c->height/2.) + c->height/2.);
if (dx < 5) {
set_report_color (c, report);
cairo_fill (c->cr);
} else {
set_report_gradient (c, report,
floor (x), c->height / 2.,
floor (x + dx) - floor (x),
ceil (-dy*value - c->height/2.) + c->height/2.);
cairo_fill_preserve (c->cr);
cairo_save (c->cr);
cairo_clip_preserve (c->cr);
set_report_color (c, report);
cairo_stroke (c->cr);
cairo_restore (c->cr);
}
/* Skip the label if the difference between the two is less than 0.1% */
if (fabs (value) < 0.1)
return;
cairo_save (c->cr);
cairo_set_font_size (c->cr, dx - 2);
if (value < 0) {
sprintf (buf, "%.1f", -value/100 + 1);
} else {
sprintf (buf, "%.1f", value/100 + 1);
}
cairo_text_extents (c->cr, buf, &extents);
/* will it be clipped? */
y = -dy * value;
if (y < -c->height/2) {
y = -c->height/2;
} else if (y > c->height/2) {
y = c->height/2;
}
if (y < 0) {
if (y > -extents.width - 6)
y -= extents.width + 6;
} else {
if (y < extents.width + 6)
y += extents.width + 6;
}
cairo_translate (c->cr,
floor (x) + (floor (x + dx) - floor (x))/2,
floor (y) + c->height/2.);
cairo_rotate (c->cr, -M_PI/2);
if (y < 0) {
cairo_move_to (c->cr, -extents.x_bearing -extents.width - 4, -extents.y_bearing/2);
} else {
cairo_move_to (c->cr, 2, -extents.y_bearing/2);
}
cairo_set_source_rgb (c->cr, .95, .95, .95);
cairo_show_text (c->cr, buf);
cairo_restore (c->cr);
}
static void
add_label (struct chart *c,
int test,
const char *label)
{
cairo_text_extents_t extents;
double dx, x;
cairo_save (c->cr);
dx = c->width / (double) c->num_tests;
if (dx / 2 - PAD < 4)
return;
cairo_set_font_size (c->cr, dx / 2 - PAD);
cairo_text_extents (c->cr, label, &extents);
cairo_set_source_rgb (c->cr, .5, .5, .5);
x = (test + .5) * dx;
cairo_save (c->cr);
cairo_translate (c->cr, x, c->height - PAD / 2);
cairo_rotate (c->cr, -M_PI/2);
cairo_move_to (c->cr, 0, -extents.y_bearing/2);
cairo_show_text (c->cr, label);
cairo_restore (c->cr);
cairo_save (c->cr);
cairo_translate (c->cr, x, PAD / 2);
cairo_rotate (c->cr, -M_PI/2);
cairo_move_to (c->cr, -extents.width, -extents.y_bearing/2);
cairo_show_text (c->cr, label);
cairo_restore (c->cr);
cairo_restore (c->cr);
}
static void
add_base_line (struct chart *c)
{
double y;
cairo_save (c->cr);
cairo_set_line_width (c->cr, 2.);
if (c->relative) {
y = c->height / 2.;
} else {
y = c->height;
}
cairo_move_to (c->cr, 0, y);
cairo_line_to (c->cr, c->width, y);
cairo_set_source_rgb (c->cr, 1, 1, 1);
cairo_stroke (c->cr);
cairo_restore (c->cr);
}
static void
add_absolute_lines (struct chart *c)
{
const double dashes[] = { 2, 4 };
const double vlog_steps[] = { 10, 5, 4, 3, 2, 1, .5, .4, .3, .2, .1};
double v, y, dy;
unsigned int i;
char buf[80];
cairo_text_extents_t extents;
v = c->max_value / 2.;
for (i = 0; i < sizeof (vlog_steps) / sizeof (vlog_steps[0]); i++) {
double vlog = log (v) / log (vlog_steps[i]);
if (vlog > 1) {
v = pow (vlog_steps[i], floor (vlog));
goto done;
}
}
return;
done:
dy = (c->height - PAD) / c->max_value;
cairo_save (c->cr);
cairo_set_line_width (c->cr, 1.);
cairo_set_dash (c->cr, dashes, sizeof (dashes) / sizeof (dashes[0]), 0);
i = 0;
do {
y = c->height - ++i * v * dy;
if (y < PAD)
break;
cairo_set_font_size (c->cr, 8);
sprintf (buf, "%.0fs", i*v/1000);
cairo_text_extents (c->cr, buf, &extents);
cairo_set_source_rgba (c->cr, .75, 0, 0, .95);
cairo_move_to (c->cr, 1-extents.x_bearing, floor (y) - (extents.height/2 + extents.y_bearing) + .5);
cairo_show_text (c->cr, buf);
cairo_move_to (c->cr, c->width-extents.width-1, floor (y) - (extents.height/2 + extents.y_bearing) + .5);
cairo_show_text (c->cr, buf);
cairo_set_source_rgba (c->cr, .75, 0, 0, .5);
cairo_move_to (c->cr,
ceil (extents.width + extents.x_bearing + 2),
floor (y) + .5);
cairo_line_to (c->cr,
floor (c->width - (extents.width + extents.x_bearing + 2)),
floor (y) + .5);
cairo_stroke (c->cr);
} while (1);
cairo_restore (c->cr);
}
static void
add_relative_lines (struct chart *c)
{
const double dashes[] = { 2, 4 };
const double v_steps[] = { 10, 5, 1, .5, .1, .05, .01};
const int precision_steps[] = { 0, 0, 0, 1, 1, 2, 2};
int precision;
double v, y, dy, mid;
unsigned int i;
char buf[80];
cairo_text_extents_t extents;
v = MAX (-c->min_value, c->max_value) / 200;
for (i = 0; i < sizeof (v_steps) / sizeof (v_steps[0]); i++) {
if (v > v_steps[i]) {
v = v_steps[i];
precision = precision_steps[i];
goto done;
}
}
return;
done:
mid = c->height/2.;
dy = (mid - PAD) / MAX (-c->min_value, c->max_value);
cairo_save (c->cr);
cairo_set_line_width (c->cr, 1.);
cairo_set_dash (c->cr, dashes, sizeof (dashes) / sizeof (dashes[0]), 0);
cairo_set_font_size (c->cr, 8);
i = 0;
do {
y = ++i * v * dy * 100;
if (y > mid)
break;
sprintf (buf, "%.*fx", precision, i*v + 1);
cairo_text_extents (c->cr, buf, &extents);
cairo_set_source_rgba (c->cr, .75, 0, 0, .95);
cairo_move_to (c->cr, 1-extents.x_bearing, floor (mid + y) - (extents.height/2 + extents.y_bearing) + .5);
cairo_show_text (c->cr, buf);
cairo_move_to (c->cr, c->width-extents.width-1, floor (mid + y) - (extents.height/2 + extents.y_bearing) + .5);
cairo_show_text (c->cr, buf);
cairo_set_source_rgba (c->cr, 0, .75, 0, .95);
cairo_move_to (c->cr, 1-extents.x_bearing, ceil (mid - y) - (extents.height/2 + extents.y_bearing) + .5);
cairo_show_text (c->cr, buf);
cairo_move_to (c->cr, c->width-extents.width-1, ceil (mid - y) - (extents.height/2 + extents.y_bearing) + .5);
cairo_show_text (c->cr, buf);
/* trim the dashes to no obscure the labels */
cairo_set_source_rgba (c->cr, .75, 0, 0, .5);
cairo_move_to (c->cr,
ceil (extents.width + extents.x_bearing + 2),
floor (mid + y) + .5);
cairo_line_to (c->cr,
floor (c->width - (extents.width + 2)),
floor (mid + y) + .5);
cairo_stroke (c->cr);
cairo_set_source_rgba (c->cr, 0, .75, 0, .5);
cairo_move_to (c->cr,
ceil (extents.width + extents.x_bearing + 2),
ceil (mid - y) + .5);
cairo_line_to (c->cr,
floor (c->width - (extents.width + 2)),
ceil (mid - y) + .5);
cairo_stroke (c->cr);
} while (1);
cairo_restore (c->cr);
}
static void
add_slower_faster_guide (struct chart *c)
{
cairo_text_extents_t extents;
cairo_save (c->cr);
cairo_set_font_size (c->cr, FONT_SIZE);
cairo_text_extents (c->cr, "FASTER", &extents);
cairo_set_source_rgba (c->cr, 0, .75, 0, .5);
cairo_move_to (c->cr,
c->width/4. - extents.width/2. + extents.x_bearing,
1 - extents.y_bearing);
cairo_show_text (c->cr, "FASTER");
cairo_move_to (c->cr,
3*c->width/4. - extents.width/2. + extents.x_bearing,
1 - extents.y_bearing);
cairo_show_text (c->cr, "FASTER");
cairo_text_extents (c->cr, "SLOWER", &extents);
cairo_set_source_rgba (c->cr, .75, 0, 0, .5);
cairo_move_to (c->cr,
c->width/4. - extents.width/2. + extents.x_bearing,
c->height - 1);
cairo_show_text (c->cr, "SLOWER");
cairo_move_to (c->cr,
3*c->width/4. - extents.width/2. + extents.x_bearing,
c->height - 1);
cairo_show_text (c->cr, "SLOWER");
cairo_restore (c->cr);
}
static void
cairo_perf_reports_compare (struct chart *chart,
cairo_bool_t print)
{
test_report_t **tests, *min_test;
double test_time, best_time;
int num_test = 0;
int seen_non_null;
int i;
tests = xmalloc (chart->num_reports * sizeof (test_report_t *));
for (i = 0; i < chart->num_reports; i++)
tests[i] = chart->reports[i].tests;
if (print) {
if (chart->use_html) {
printf ("<table style=\"text-align:right\" cellspacing=\"4\">\n");
printf ("<tr><td></td>");
for (i = 0; i < chart->num_reports; i++) {
printf ("<td>%s</td>", chart->names[i] ? chart->names[i] : "");
}
printf ("</tr>\n");
}
}
while (1) {
/* We expect iterations values of 0 when multiple raw reports
* for the same test have been condensed into the stats of the
* first. So we just skip these later reports that have no
* stats. */
seen_non_null = 0;
for (i = 0; i < chart->num_reports; i++) {
while (tests[i]->name && tests[i]->stats.iterations == 0)
tests[i]++;
if (tests[i]->name)
seen_non_null++;
}
if (! seen_non_null)
break;
/* Find the minimum of all current tests, (we have to do this
* in case some reports don't have a particular test). */
for (i = 0; i < chart->num_reports; i++) {
if (tests[i]->name) {
min_test = tests[i];
break;
}
}
for (++i; i < chart->num_reports; i++) {
if (tests[i]->name && test_report_cmp_name (tests[i], min_test) < 0)
min_test = tests[i];
}
add_label (chart, num_test, min_test->name);
if (print) {
if (chart->use_html) {
printf ("<tr><td>%s</td>", min_test->name);
} else {
if (min_test->size) {
printf ("%16s, size %4d:\n",
min_test->name,
min_test->size);
} else {
printf ("%26s:",
min_test->name);
}
}
}
test_time = 0;
best_time = HUGE_VAL;
for (i = 0; i < chart->num_reports; i++) {
test_report_t *initial = tests[i];
double report_time = HUGE_VAL;
while (tests[i]->name &&
test_report_cmp_name (tests[i], min_test) == 0)
{
double time = tests[i]->stats.min_ticks;
if (time < report_time) {
time /= tests[i]->stats.ticks_per_ms;
if (time < report_time)
report_time = time;
}
tests[i]++;
}
if (test_time == 0 && report_time != HUGE_VAL)
test_time = report_time;
if (report_time < best_time)
best_time = report_time;
tests[i] = initial;
}
for (i = 0; i < chart->num_reports; i++) {
double report_time = HUGE_VAL;
while (tests[i]->name &&
test_report_cmp_name (tests[i], min_test) == 0)
{
double time = tests[i]->stats.min_ticks;
if (time > 0) {
time /= tests[i]->stats.ticks_per_ms;
if (time < report_time)
report_time = time;
}
tests[i]++;
}
if (print) {
if (chart->use_html) {
if (report_time < HUGE_VAL) {
if (report_time / best_time < 1.01) {
printf ("<td><strong>%.1f</strong></td>", report_time/1000);
} else {
printf ("<td>%.1f</td>", report_time/1000);
}
} else {
printf ("<td></td>");
}
} else {
if (report_time < HUGE_VAL)
printf (" %6.1f", report_time/1000);
else
printf (" ---");
}
}
if (report_time < HUGE_VAL) {
if (chart->relative) {
add_chart (chart, num_test, i,
to_factor (test_time / report_time));
} else {
add_chart (chart, num_test, i, report_time);
}
}
}
if (print) {
if (chart->use_html) {
printf ("</tr>\n");
} else {
printf ("\n");
}
}
num_test++;
}
if (chart->relative) {
add_label (chart, num_test, "(geometric mean)");
for (i = 0; i < chart->num_reports; i++)
add_average (chart, num_test, i, to_factor (chart->average[i]));
}
free (tests);
if (print) {
if (chart->use_html)
printf ("</table>\n");
printf ("\n");
for (i = 0; i < chart->num_reports; i++) {
if (chart->names[i]) {
printf ("[%s] %s\n",
chart->names[i], chart->reports[i].configuration);
} else {
printf ("[%d] %s\n",
i, chart->reports[i].configuration);
}
}
}
}
static void
add_legend (struct chart *chart)
{
cairo_text_extents_t extents;
const char *str;
int i, x, y;
cairo_set_font_size (chart->cr, FONT_SIZE);
x = PAD;
y = chart->height + PAD;
for (i = chart->relative; i < chart->num_reports; i++) {
str = chart->names[i] ?
chart->names[i] : chart->reports[i].configuration;
set_report_color (chart, i);
cairo_rectangle (chart->cr, x, y + 6, 8, 8);
cairo_fill (chart->cr);
cairo_set_source_rgb (chart->cr, 1, 1, 1);
cairo_move_to (chart->cr, x + 10, y + FONT_SIZE + PAD / 2.);
cairo_text_extents (chart->cr, str, &extents);
cairo_show_text (chart->cr, str);
x += 10 + 2 * PAD + ceil (extents.width);
}
if (chart->relative) {
char buf[80];
str = chart->names[0] ?
chart->names[0] : chart->reports[0].configuration;
sprintf (buf, "(relative to %s)", str);
cairo_text_extents (chart->cr, buf, &extents);
cairo_set_source_rgb (chart->cr, 1, 1, 1);
cairo_move_to (chart->cr,
chart->width - 1 - extents.width,
y + FONT_SIZE + PAD / 2.);
cairo_show_text (chart->cr, buf);
}
}
static void
usage (void)
{
printf("Usage:\n");
printf(" cairo-perf-chart [OPTION...] <result1> <result2>...<resultN>\n");
printf("\n");
printf("Help Options:\n");
printf(" --help, --?\tShow help options\n");
printf("\n");
printf("Application Options:\n");
printf(" --html\tOutput an HTML table comparing the results\n");
printf(" --height=\tSet the height of the output graph"\
" (default 480)\n");
printf(" --width=\tSet the width of the output graph"\
" (default 640)\n");
printf(" --name\tSet the name of graph series."\
" This only sets the name for the\n\t\tfirst result file."\
" The graph series is usually set using the\n\t\tfile name for"\
" the results file.\n");
printf("\n");
printf("Example:\n");
printf(" cairo-perf-chart --width=1024 --height=768 run1 run2 run3\n");
return;
}
int
main (int argc,
const char *argv[])
{
cairo_surface_t *surface;
struct chart chart;
test_report_t *t;
int i;
chart.use_html = 0;
chart.width = 640;
chart.height = 480;
chart.reports = xcalloc (argc-1, sizeof (cairo_perf_report_t));
chart.names = xcalloc (argc-1, sizeof (cairo_perf_report_t));
chart.num_reports = 0;
for (i = 1; i < argc; i++) {
if (strcmp (argv[i], "--html") == 0) {
chart.use_html = 1;
} else if (strncmp (argv[i], "--width=", 8) == 0) {
chart.width = atoi (argv[i] + 8);
} else if (strncmp (argv[i], "--height=", 9) == 0) {
chart.height = atoi (argv[i] + 9);
} else if (strcmp (argv[i], "--name") == 0) {
if (i + 1 < argc)
chart.names[chart.num_reports] = argv[++i];
} else if (strncmp (argv[i], "--name=", 7) == 0) {
chart.names[chart.num_reports] = argv[i] + 7;
} else if ((strcmp (argv[i], "--help") == 0) ||
(strcmp (argv[i], "--?") == 0)) {
usage();
return 0;
} else {
cairo_perf_report_load (&chart.reports[chart.num_reports++],
argv[i], i,
test_report_cmp_name);
}
}
for (chart.relative = 0; chart.relative <= 1; chart.relative++) {
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
chart.width,
chart.height + (FONT_SIZE + PAD) + 2*PAD);
chart.cr = cairo_create (surface);
cairo_surface_destroy (surface);
cairo_set_source_rgb (chart.cr, 0, 0, 0);
cairo_paint (chart.cr);
find_ranges (&chart);
for (i = 0; i < chart.num_tests; i++)
test_background (&chart, i);
if (chart.relative) {
add_relative_lines (&chart);
add_slower_faster_guide (&chart);
} else
add_absolute_lines (&chart);
cairo_save (chart.cr);
cairo_rectangle (chart.cr, 0, 0, chart.width, chart.height);
cairo_clip (chart.cr);
cairo_perf_reports_compare (&chart, !chart.relative);
cairo_restore (chart.cr);
add_base_line (&chart);
add_legend (&chart);
cairo_surface_write_to_png (cairo_get_target (chart.cr),
chart.relative ? "relative.png" : "absolute.png");
cairo_destroy (chart.cr);
}
/* Pointless memory cleanup, (would be a great place for talloc) */
for (i = 0; i < chart.num_reports; i++) {
for (t = chart.reports[i].tests; t->name; t++) {
free (t->samples);
free (t->backend);
free (t->name);
}
free (chart.reports[i].tests);
free (chart.reports[i].configuration);
}
free (chart.names);
free (chart.reports);
return 0;
}