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cairo-perf: Add command line options for test cases to run, listing tests, and new raw mode.
This commit is contained in:
Carl Worth
parent
49b72f004d
commit
0564b5074c
2 changed files with 139 additions and 31 deletions
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@ -28,6 +28,11 @@
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#include "cairo-perf.h"
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/* For getopt */
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#include <unistd.h>
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/* For basename */
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#include <libgen.h>
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#define CAIRO_PERF_ITERATIONS_DEFAULT 100
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#define CAIRO_PERF_LOW_STD_DEV 0.03
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#define CAIRO_PERF_STABLE_STD_DEV_COUNT 5
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@ -98,7 +103,7 @@ _content_to_string (cairo_content_t content)
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typedef struct _stats
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{
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double min;
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cairo_perf_ticks_t min;
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double median;
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double mean;
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double std_dev;
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@ -200,6 +205,30 @@ cairo_perf_run (cairo_perf_t *perf,
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stats_t stats = {0.0, 0.0};
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int low_std_dev_count;
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if (perf->num_names) {
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for (i = 0; i < perf->num_names; i++)
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if (strstr (name, perf->names[i]))
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goto NAME_FOUND;
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return;
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}
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NAME_FOUND:
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if (perf->list_only) {
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printf ("%s\n", name);
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return;
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}
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if (first_run) {
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if (perf->raw)
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printf ("[ # ] %s-%-s %s %s ...\n",
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"backend", "content", "test-size", "time(ticks)");
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else
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printf ("[ # ] %8s-%-4s %28s %8s %8s %5s %5s %s\n",
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"backend", "content", "test-size", "min(ticks)", "min(ms)", "median(ms)",
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"stddev.", "iterations");
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first_run = FALSE;
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}
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times = xmalloc (perf->iterations * sizeof (cairo_perf_ticks_t));
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/* We run one iteration in advance to warm caches, etc. */
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@ -211,42 +240,117 @@ cairo_perf_run (cairo_perf_t *perf,
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cairo_perf_yield ();
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times[i] = (perf_func) (perf->cr, perf->size, perf->size);
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if (i >= CAIRO_STATS_MIN_VALID_SAMPLES) {
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status = _compute_stats (times, i+1, &stats);
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if (status == CAIRO_STATS_STATUS_NEED_MORE_DATA)
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continue;
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if (perf->raw) {
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if (i == 0)
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printf ("[*] %s-%s %s-%d",
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perf->target->name,
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_content_to_string (perf->target->content),
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name, perf->size);
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printf (" %lld", times[i]);
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} else {
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if (i >= CAIRO_STATS_MIN_VALID_SAMPLES) {
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status = _compute_stats (times, i+1, &stats);
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if (status == CAIRO_STATS_STATUS_NEED_MORE_DATA)
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continue;
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if (stats.std_dev <= CAIRO_PERF_LOW_STD_DEV) {
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low_std_dev_count++;
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if (low_std_dev_count >= CAIRO_PERF_STABLE_STD_DEV_COUNT)
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break;
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} else {
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low_std_dev_count = 0;
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if (stats.std_dev <= CAIRO_PERF_LOW_STD_DEV) {
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low_std_dev_count++;
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if (low_std_dev_count >= CAIRO_PERF_STABLE_STD_DEV_COUNT)
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break;
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} else {
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low_std_dev_count = 0;
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}
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}
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}
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}
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if (first_run) {
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printf ("[ # ] %8s-%-4s %28s %10s %8s %5s %5s %s\n",
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"backend", "content", "test-size", "min(ticks)", "min(ms)", "median(ms)",
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"stddev.", "iterations");
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first_run = FALSE;
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if (perf->raw) {
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printf ("\n");
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} else {
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printf ("[%3d] %8s-%-4s %26s-%-3d ",
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perf->test_number, perf->target->name,
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_content_to_string (perf->target->content),
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name, perf->size);
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printf ("%10lld %#8.3f %#8.3f %#5.2f%% %3d\n",
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stats.min,
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(stats.min * 1000.0) / cairo_perf_ticks_per_second (),
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(stats.median * 1000.0) / cairo_perf_ticks_per_second (),
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stats.std_dev * 100.0, i);
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}
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printf ("[%3d] %8s-%-4s %26s-%-3d ",
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perf->test_number, perf->target->name,
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_content_to_string (perf->target->content),
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name, perf->size);
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printf ("%12.2f %#8.3f %#8.3f %#5.2f%% %3d\n",
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stats.min,
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(stats.min * 1000.0) / cairo_perf_ticks_per_second (),
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(stats.median * 1000.0) / cairo_perf_ticks_per_second (),
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stats.std_dev * 100.0, i);
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perf->test_number++;
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}
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static void
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usage (const char *argv0)
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{
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fprintf (stderr,
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"Usage: %s [-l] [-r] [-i iterations] [test-names ...]\n"
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" %s -l\n"
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"\n"
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"Run the cairo performance test suite over the given tests (all by default)\n"
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"The command-line arguments are interpreted as follows:\n"
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"\n"
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" -r raw; display each time measurement instead of summary statistics\n"
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" -i iterations; specify the number of iterations per test case\n"
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" -l list only; just list selected test case names without executing\n"
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"\n"
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"If test names are given they are used as sub-string matches so a command\n"
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"such as \"cairo-perf text\" can be used to run all text test cases.\n",
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argv0, argv0);
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}
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static void
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parse_options (cairo_perf_t *perf, int argc, char *argv[])
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{
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int c;
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char *end;
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if (getenv("CAIRO_PERF_ITERATIONS"))
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perf->iterations = strtol(getenv("CAIRO_PERF_ITERATIONS"), NULL, 0);
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else
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perf->iterations = CAIRO_PERF_ITERATIONS_DEFAULT;
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perf->raw = FALSE;
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perf->list_only = FALSE;
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perf->names = NULL;
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perf->num_names = 0;
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while (1) {
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c = getopt (argc, argv, "i:lr");
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if (c == -1)
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break;
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switch (c) {
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case 'i':
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perf->iterations = strtoul (optarg, &end, 10);
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if (*end != '\0') {
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fprintf (stderr, "Invalid argument for -i (not an integer): %s\n",
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optarg);
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exit (1);
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}
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break;
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case 'l':
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perf->list_only = TRUE;
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break;
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case 'r':
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perf->raw = TRUE;
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break;
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default:
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fprintf (stderr, "Internal error: unhandled option: %c\n", c);
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/* fall-through */
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case '?':
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usage (argv[0]);
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exit (1);
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}
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}
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if (optind < argc) {
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perf->names = &argv[optind];
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perf->num_names = argc - optind;
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}
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}
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int
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main (int argc, char *argv[])
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{
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@ -257,10 +361,7 @@ main (int argc, char *argv[])
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cairo_boilerplate_target_t *target;
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cairo_surface_t *surface;
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if (getenv("CAIRO_PERF_ITERATIONS"))
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perf.iterations = strtol(getenv("CAIRO_PERF_ITERATIONS"), NULL, 0);
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else
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perf.iterations = CAIRO_PERF_ITERATIONS_DEFAULT;
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parse_options (&perf, argc, argv);
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for (i = 0; targets[i].name; i++) {
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perf.target = target = &targets[i];
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@ -60,7 +60,14 @@ cairo_perf_yield (void);
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/* running a test case */
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typedef struct _cairo_perf {
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/* Options from command-line */
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unsigned int iterations;
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cairo_bool_t raw;
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cairo_bool_t list_only;
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char **names;
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unsigned int num_names;
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/* Stuff used internally */
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cairo_boilerplate_target_t *target;
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unsigned int test_number;
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unsigned int size;
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