benchtests: Add calloc test

Two new benchmarks related to calloc added:
- bench-calloc-simple
- bench-calloc-thread
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>

benchtests/Makefile

@@ -308,11 +308,14 @@ CFLAGS-bench-isfinite.c += $(config-cflags-signaling-nans)
 
 ifeq (${BENCHSET},)
 bench-malloc := \
+  calloc-simple \
+  calloc-thread \
   malloc-simple \
   malloc-thread \
   # bench-malloc
 else
 bench-malloc := $(filter malloc-%,${BENCHSET})
+bench-malloc += $(filter calloc-%,${BENCHSET})
 endif
 
 ifeq (${STATIC-BENCHTESTS},yes)
@@ -429,6 +432,8 @@ VALIDBENCHSETNAMES := \
   bench-math \
   bench-pthread \
   bench-string \
+  calloc-simple \
+  calloc-thread \
   hash-benchset \
   malloc-simple \
   malloc-thread \
@@ -469,7 +474,7 @@ bench-set: $(binaries-benchset)
 bench-malloc: $(binaries-bench-malloc)
 	for run in $^; do \
 	  echo "$${run}"; \
-	  if [ `basename $${run}` = "bench-malloc-thread" ]; then \
+	  if [[ `basename $${run}` =~ bench-[cm]alloc-thread ]]; then \
 		for thr in 1 8 16 32; do \
 			echo "Running $${run} $${thr}"; \
 			$(run-bench) $${thr} > $${run}-$${thr}.out; \

benchtests/bench-calloc-simple.c

@@ -0,0 +1,22 @@
+/* Benchmark calloc and free functions.
+   Copyright (C) 2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#define TEST_FUNC(size) calloc (1, size)
+#define TEST_NAME "calloc"
+
+#include "bench-malloc-simple.c"

benchtests/bench-calloc-thread.c

@@ -0,0 +1,22 @@
+/* Benchmark calloc and free functions.
+   Copyright (C) 2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#define TEST_FUNC(size) calloc (1, size)
+#define TEST_NAME "calloc"
+
+#include "bench-malloc-thread.c"

benchtests/bench-malloc-simple.c

@@ -16,6 +16,11 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
+#ifndef TEST_FUNC
+# define TEST_FUNC(size) malloc(size)
+# define TEST_NAME "malloc"
+#endif
+
 #include <pthread.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -55,7 +60,7 @@ do_benchmark (malloc_args *args, int **arr)
   for (int j = 0; j < iters; j++)
     {
       for (int i = 0; i < n; i++)
-	arr[i] = malloc (size);
+	arr[i] = TEST_FUNC (size);
 
       for (int i = 0; i < n; i++)
 	free (arr[i]);
@@ -124,7 +129,7 @@ bench (unsigned long size)
 
   json_attr_object_begin (&json_ctx, "functions");
 
-  json_attr_object_begin (&json_ctx, "malloc");
+  json_attr_object_begin (&json_ctx, TEST_NAME);
 
   char s[100];
   double iters2 = iters;

benchtests/bench-malloc-thread.c

@@ -16,6 +16,11 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
+#ifndef TEST_FUNC
+# define TEST_FUNC(size) malloc(size)
+# define TEST_NAME "malloc"
+#endif
+
 #include <errno.h>
 #include <math.h>
 #include <pthread.h>
@@ -137,7 +142,7 @@ malloc_benchmark_loop (void **ptr_arr)
 
       free (ptr_arr[next_idx]);
 
-      ptr_arr[next_idx] = malloc (next_block);
+      ptr_arr[next_idx] = TEST_FUNC (next_block);
 
       iters++;
     }
@@ -256,7 +261,7 @@ main (int argc, char **argv)
 
   json_attr_object_begin (&json_ctx, "functions");
 
-  json_attr_object_begin (&json_ctx, "malloc");
+  json_attr_object_begin (&json_ctx, TEST_NAME);
 
   json_attr_object_begin (&json_ctx, "");