int
main (int argc,
char *argv[])
{
cairo_perf_t perf;
const char *trace_dir = "cairo-traces:/usr/src/cairo-traces:/usr/share/cairo-traces";
unsigned int n;
int i;
parse_options (&perf, argc, argv);
signal (SIGINT, interrupt);
if (getenv ("CAIRO_TRACE_DIR") != NULL)
trace_dir = getenv ("CAIRO_TRACE_DIR");
perf.targets = cairo_boilerplate_get_targets (&perf.num_targets, NULL);
perf.times = xmalloc (perf.iterations * sizeof (cairo_perf_ticks_t));
/* do we have a list of filenames? */
perf.exact_names = have_trace_filenames (&perf);
for (i = 0; i < perf.num_targets; i++) {
const cairo_boilerplate_target_t *target = perf.targets[i];
if (! perf.list_only && ! target->is_measurable)
continue;
perf.target = target;
perf.test_number = 0;
if (perf.exact_names) {
for (n = 0; n < perf.num_names; n++) {
struct stat st;
if (stat (perf.names[n], &st) == 0) {
if (S_ISDIR (st.st_mode)) {
cairo_perf_trace_dir (&perf, target, perf.names[n]);
} else
cairo_perf_trace (&perf, target, perf.names[n]);
}
}
} else {
int num_traces = 0;
const char *dir;
dir = trace_dir;
do {
char buf[1024];
const char *end = strchr (dir, ':');
if (end != NULL) {
memcpy (buf, dir, end-dir);
buf[end-dir] = '\0';
end++;
dir = buf;
}
num_traces += cairo_perf_trace_dir (&perf, target, dir);
dir = end;
} while (dir != NULL);
if (num_traces == 0) {
warn_no_traces ("Found no traces in", trace_dir);
return 1;
}
}
if (perf.list_only)
break;
}
cairo_perf_fini (&perf);
return 0;
}
int
main (int argc, char *argv[])
{
int i, j;
cairo_perf_t perf;
cairo_surface_t *surface;
parse_options (&perf, argc, argv);
if (check_cpu_affinity()) {
fputs(
"NOTICE: cairo-perf and the X server should be bound to CPUs (either the same\n"
"or separate) on SMP systems. Not doing so causes random results when the X\n"
"server is moved to or from cairo-perf's CPU during the benchmarks:\n"
"\n"
" $ sudo taskset -cp 0 $(pidof X)\n"
" $ taskset -cp 1 $$\n"
"\n"
"See taskset(1) for information about changing CPU affinity.\n",
stderr);
}
perf.targets = cairo_boilerplate_get_targets (&perf.num_targets, NULL);
perf.times = xmalloc (perf.iterations * sizeof (cairo_perf_ticks_t));
for (i = 0; i < perf.num_targets; i++) {
cairo_boilerplate_target_t *target = perf.targets[i];
if (! target_is_measurable (target))
continue;
perf.target = target;
perf.test_number = 0;
for (j = 0; perf_cases[j].run; j++) {
const cairo_perf_case_t *perf_case = &perf_cases[j];
for (perf.size = perf_case->min_size;
perf.size <= perf_case->max_size;
perf.size *= 2)
{
void *closure;
surface = (target->create_surface) (NULL,
target->content,
perf.size, perf.size,
perf.size, perf.size,
CAIRO_BOILERPLATE_MODE_PERF,
0,
&closure);
if (surface == NULL) {
fprintf (stderr,
"Error: Failed to create target surface: %s\n",
target->name);
continue;
}
cairo_perf_timer_set_synchronize (target->synchronize, closure);
perf.cr = cairo_create (surface);
perf_case->run (&perf, perf.cr, perf.size, perf.size);
if (cairo_status (perf.cr)) {
fprintf (stderr, "Error: Test left cairo in an error state: %s\n",
cairo_status_to_string (cairo_status (perf.cr)));
}
cairo_destroy (perf.cr);
cairo_surface_destroy (surface);
if (target->cleanup)
target->cleanup (closure);
}
}
}
cairo_perf_fini (&perf);
return 0;
}
