Grcov report - cairo-perf-print.c

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/*

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 * Copyright © 2006 Red Hat, Inc.

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 * Copyright © 2009 Chris Wilson

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 * Permission to use, copy, modify, distribute, and sell this software

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 * and its documentation for any purpose is hereby granted without

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 * fee, provided that the above copyright notice appear in all copies

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 * and that both that copyright notice and this permission notice

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 * appear in supporting documentation, and that the name of the

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 * copyright holders not be used in advertising or publicity

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 * pertaining to distribution of the software without specific,

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 * written prior permission. The copyright holders make no

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 * representations about the suitability of this software for any

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 * purpose.  It is provided "as is" without express or implied

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 * warranty.

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 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS

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 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND

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 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY

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 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN

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 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING

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 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS

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 * SOFTWARE.

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 * Authors: Carl Worth <cworth@cworth.org>

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 *	    Chris Wilson <chris@chris-wilson.co.uk>

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*/

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#include "config.h"

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#include "cairo-perf.h"

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#include "cairo-stats.h"

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#include <stdio.h>

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#if HAVE_UNISTD_H && HAVE_SYS_IOCTL_H

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#define USE_TERMINAL_SIZE 1

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#else

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#define USE_TERMINAL_SIZE 0

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#endif

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#if USE_TERMINAL_SIZE

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#include <unistd.h>

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#include <sys/ioctl.h>

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#endif

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static void

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report_print (const cairo_perf_report_t *report,

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	      int show_histogram)

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    const test_report_t *test;

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    cairo_histogram_t h;

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    if (show_histogram) {

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	int num_rows = 23;

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	int num_cols = 80;

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#if USE_TERMINAL_SIZE

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	int fd = fileno(stdout);

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	if (isatty(fd)) {

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	    struct winsize ws;

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	    if(ioctl(fd, TIOCGWINSZ, &ws) == 0 ) {

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		num_rows = ws.ws_row - 1;

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		num_cols = ws.ws_col;

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#endif

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	if (!_cairo_histogram_init (&h, num_cols, num_rows))

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	    show_histogram = 0;

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    for (test = report->tests; test->name != NULL; test++) {

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	if (test->stats.iterations == 0)

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	    continue;

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	if (show_histogram) {

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	    const cairo_time_t *values;

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	    int num_values;

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	    if (show_histogram > 1) {

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		values = test->stats.values;

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		num_values = test->stats.iterations;

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	    } else {

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		values = test->samples;

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		num_values = test->samples_count;

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	    if (_cairo_histogram_compute (&h, values, num_values))

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		_cairo_histogram_printf (&h, stdout);

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	if (test->size) {

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	    printf ("%5s-%-4s %26s-%-3d  ",

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		    test->backend, test->content,

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		    test->name, test->size);

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	} else {

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	    printf ("%5s %26s  ", test->backend, test->name);

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	printf("%6.2f %4.2f%% (%d/%d)\n",

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	       test->stats.median_ticks / test->stats.ticks_per_ms,

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	       test->stats.std_dev * 100,

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	       test->stats.iterations, test->samples_count);

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    if (show_histogram)

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	_cairo_histogram_fini (&h);

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int

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main (int	  argc,

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      const char *argv[])

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    cairo_bool_t show_histogram = 0;

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    int i;

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    for (i = 1; i < argc; i++ ) {

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	cairo_perf_report_t report;

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	if (strcmp(argv[i], "--histogram") == 0) {

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	    show_histogram = 1;

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	    continue;

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	if (strcmp(argv[i], "--short-histogram") == 0) {

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	    show_histogram = 2;

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	    continue;

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	cairo_perf_report_load (&report, argv[i], i, NULL);

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	report_print (&report, show_histogram);

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    return 0;

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