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cairo-perf-diff-files: Sort and compute stats at the time of loading a report

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This commit is contained in:
Carl Worth 2007-04-19 16:09:06 -07:00
parent 228c83c9d2
commit cc03f0499e
1 changed files with 83 additions and 83 deletions
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166
perf/cairo-perf-diff-files.c
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@ -287,85 +287,6 @@ strndup (const char *s, size_t n)
}
#endif /* ifndef __USE_GNU */
static void
cairo_perf_report_load (cairo_perf_report_t *report, const char *filename)
{
FILE *file;
test_report_status_t status;
int line_number = 0;
char *line = NULL;
size_t line_size = 0;
report->name = filename;
report->tests = NULL;
report->tests_size = 0;
report->tests_count = 0;
file = fopen (filename, "r");
if (file == NULL) {
fprintf (stderr, "Failed to open %s: %s\n",
filename, strerror (errno));
exit (1);
}
while (1) {
if (report->tests_count == report->tests_size) {
report->tests_size = report->tests_size ? 2 * report->tests_size : 16;
report->tests = realloc (report->tests,
report->tests_size * sizeof (test_report_t));
if (report->tests == NULL) {
fprintf (stderr, "Out of memory.\n");
exit (1);
}
}
line_number++;
if (getline (&line, &line_size, file) == -1)
break;
status = test_report_parse (&report->tests[report->tests_count], line);
if (status == TEST_REPORT_STATUS_ERROR)
fprintf (stderr, "Ignoring unrecognized line %d of %s:\n%s",
line_number, filename, line);
if (status == TEST_REPORT_STATUS_SUCCESS)
report->tests_count++;
/* Do nothing on TEST_REPORT_STATUS_COMMENT */
}
if (line)
free (line);
}
static int
test_diff_cmp (const void *a, const void *b)
{
const test_diff_t *a_diff = a;
const test_diff_t *b_diff = b;
double a_change, b_change;
a_change = a_diff->speedup;
b_change = b_diff->speedup;
/* First make all speedups come before all slowdowns. */
if (a_change > 1.0 && b_change < 1.0)
return -1;
if (a_change < 1.0 && b_change > 1.0)
return 1;
/* Then, within each, sort by magnitude of speed change */
if (a_change < 1.0)
a_change = 1.0 / a_change;
if (b_change < 1.0)
b_change = 1.0 / b_change;
/* Reverse sort so larger changes come first */
if (a_change > b_change)
return -1;
if (a_change < b_change)
return 1;
return 0;
}
static int
test_report_cmp_backend_then_name (const void *a, const void *b)
@ -438,6 +359,88 @@ cairo_perf_report_sort_and_compute_stats (cairo_perf_report_t *report)
}
}
static void
cairo_perf_report_load (cairo_perf_report_t *report, const char *filename)
{
FILE *file;
test_report_status_t status;
int line_number = 0;
char *line = NULL;
size_t line_size = 0;
report->name = filename;
report->tests = NULL;
report->tests_size = 0;
report->tests_count = 0;
file = fopen (filename, "r");
if (file == NULL) {
fprintf (stderr, "Failed to open %s: %s\n",
filename, strerror (errno));
exit (1);
}
while (1) {
if (report->tests_count == report->tests_size) {
report->tests_size = report->tests_size ? 2 * report->tests_size : 16;
report->tests = realloc (report->tests,
report->tests_size * sizeof (test_report_t));
if (report->tests == NULL) {
fprintf (stderr, "Out of memory.\n");
exit (1);
}
}
line_number++;
if (getline (&line, &line_size, file) == -1)
break;
status = test_report_parse (&report->tests[report->tests_count], line);
if (status == TEST_REPORT_STATUS_ERROR)
fprintf (stderr, "Ignoring unrecognized line %d of %s:\n%s",
line_number, filename, line);
if (status == TEST_REPORT_STATUS_SUCCESS)
report->tests_count++;
/* Do nothing on TEST_REPORT_STATUS_COMMENT */
}
if (line)
free (line);
cairo_perf_report_sort_and_compute_stats (report);
}
static int
test_diff_cmp (const void *a, const void *b)
{
const test_diff_t *a_diff = a;
const test_diff_t *b_diff = b;
double a_change, b_change;
a_change = a_diff->speedup;
b_change = b_diff->speedup;
/* First make all speedups come before all slowdowns. */
if (a_change > 1.0 && b_change < 1.0)
return -1;
if (a_change < 1.0 && b_change > 1.0)
return 1;
/* Then, within each, sort by magnitude of speed change */
if (a_change < 1.0)
a_change = 1.0 / a_change;
if (b_change < 1.0)
b_change = 1.0 / b_change;
/* Reverse sort so larger changes come first */
if (a_change > b_change)
return -1;
if (a_change < b_change)
return 1;
return 0;
}
#define CHANGE_BAR_WIDTH 70
static void
print_change_bar (double change, double max_change, int use_utf)
@ -500,16 +503,13 @@ cairo_perf_report_diff (cairo_perf_report_t *old,
diffs = xmalloc (MAX (old->tests_count, new->tests_count) * sizeof (test_diff_t));
cairo_perf_report_sort_and_compute_stats (old);
cairo_perf_report_sort_and_compute_stats (new);
i_old = 0;
i_new = 0;
while (i_old < old->tests_count && i_new < new->tests_count) {
o = &old->tests[i_old];
n = &new->tests[i_new];
/* We expect iterations values of 0 when mutltiple raw reports
/* 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. */