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authorSiddhesh Poyarekar <siddhesh@sourceware.org>2018-08-16 13:59:13 +0530
committerSiddhesh Poyarekar <siddhesh@sourceware.org>2018-08-16 14:11:56 +0530
commit953a5a4a59434ee316a091514e83e249aa25b09d (patch)
tree44e119f8495c11cf31a5ddbf8f97e2a3240b0791 /benchtests
parent7793ad7a2c00434398aa8bb3f5932e2fdf43536a (diff)
downloadglibc-953a5a4a59434ee316a091514e83e249aa25b09d.zip
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Print strlen benchmark output in json
Allow reading the benchmark using the compare_strings.py script.
Diffstat (limited to 'benchtests')
-rw-r--r--benchtests/bench-strlen.c53
1 files changed, 38 insertions, 15 deletions
diff --git a/benchtests/bench-strlen.c b/benchtests/bench-strlen.c
index 215b5bb..6782215 100644
--- a/benchtests/bench-strlen.c
+++ b/benchtests/bench-strlen.c
@@ -35,6 +35,8 @@
# define MAX_CHAR WCHAR_MAX
#endif
+#include "json-lib.h"
+
typedef size_t (*proto_t) (const CHAR *);
size_t
@@ -60,7 +62,7 @@ IMPL (STRLEN, 1)
static void
-do_one_test (impl_t *impl, const CHAR *s, size_t exp_len)
+do_one_test (json_ctx_t *json_ctx, impl_t *impl, const CHAR *s, size_t exp_len)
{
size_t len = CALL (impl, s), i, iters = INNER_LOOP_ITERS;
timing_t start, stop, cur;
@@ -82,11 +84,11 @@ do_one_test (impl_t *impl, const CHAR *s, size_t exp_len)
TIMING_DIFF (cur, start, stop);
- TIMING_PRINT_MEAN ((double) cur, (double) iters);
+ json_element_double (json_ctx, (double) cur / (double) iters);
}
static void
-do_test (size_t align, size_t len)
+do_test (json_ctx_t *json_ctx, size_t align, size_t len)
{
size_t i;
@@ -100,42 +102,63 @@ do_test (size_t align, size_t len)
buf[align + i] = 1 + 11111 * i % MAX_CHAR;
buf[align + len] = 0;
- printf ("Length %4zd, alignment %2zd:", len, align);
+ json_element_object_begin (json_ctx);
+ json_attr_uint (json_ctx, "length", len);
+ json_attr_uint (json_ctx, "alignment", align);
+ json_array_begin (json_ctx, "timings");
+
FOR_EACH_IMPL (impl, 0)
- do_one_test (impl, (CHAR *) (buf + align), len);
+ do_one_test (json_ctx, impl, (CHAR *) (buf + align), len);
- putchar ('\n');
+ json_array_end (json_ctx);
+ json_element_object_end (json_ctx);
}
int
test_main (void)
{
+ json_ctx_t json_ctx;
size_t i;
test_init ();
- printf ("%20s", "");
+ json_init (&json_ctx, 0, stdout);
+
+ json_document_begin (&json_ctx);
+ json_attr_string (&json_ctx, "timing_type", TIMING_TYPE);
+
+ json_attr_object_begin (&json_ctx, "functions");
+ json_attr_object_begin (&json_ctx, TEST_NAME);
+ json_attr_string (&json_ctx, "bench-variant", "");
+
+ json_array_begin (&json_ctx, "ifuncs");
FOR_EACH_IMPL (impl, 0)
- printf ("\t%s", impl->name);
- putchar ('\n');
+ json_element_string (&json_ctx, impl->name);
+ json_array_end (&json_ctx);
+ json_array_begin (&json_ctx, "results");
/* Checking with only 4 * N alignments for wcslen, other alignments are wrong for wchar_t type arrays*/
for (i = 1; i < 8; ++i)
{
- do_test (sizeof(CHAR) * i, i);
- do_test (0, i);
+ do_test (&json_ctx, sizeof(CHAR) * i, i);
+ do_test (&json_ctx, 0, i);
}
for (i = 2; i <= 12; ++i)
{
- do_test (0, 1 << i);
- do_test (sizeof(CHAR) * 7, 1 << i);
- do_test (sizeof(CHAR) * i, 1 << i);
- do_test (sizeof(CHAR) * i, (size_t)((1 << i) / 1.5));
+ do_test (&json_ctx, 0, 1 << i);
+ do_test (&json_ctx, sizeof(CHAR) * 7, 1 << i);
+ do_test (&json_ctx, sizeof(CHAR) * i, 1 << i);
+ do_test (&json_ctx, sizeof(CHAR) * i, (size_t)((1 << i) / 1.5));
}
+ json_array_end (&json_ctx);
+ json_attr_object_end (&json_ctx);
+ json_attr_object_end (&json_ctx);
+ json_document_end (&json_ctx);
+
return ret;
}