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-rw-r--r--extras/deprecated/vppinfra/test_mheap.c286
1 files changed, 286 insertions, 0 deletions
diff --git a/extras/deprecated/vppinfra/test_mheap.c b/extras/deprecated/vppinfra/test_mheap.c
new file mode 100644
index 00000000000..ae0c58a6a74
--- /dev/null
+++ b/extras/deprecated/vppinfra/test_mheap.c
@@ -0,0 +1,286 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ Copyright (c) 2001, 2002, 2003 Eliot Dresselhaus
+
+ Permission is hereby granted, free of charge, to any person obtaining
+ a copy of this software and associated documentation files (the
+ "Software"), to deal in the Software without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sublicense, and/or sell copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to
+ the following conditions:
+
+ The above copyright notice and this permission notice shall be
+ included in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifdef CLIB_LINUX_KERNEL
+#include <linux/unistd.h>
+#endif
+
+#ifdef CLIB_UNIX
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h> /* scanf */
+#endif
+
+#include <vppinfra/format.h>
+#include <vppinfra/random.h>
+#include <vppinfra/time.h>
+
+static int verbose = 0;
+#define if_verbose(format,args...) \
+ if (verbose) { clib_warning(format, ## args); }
+
+int
+test1 (void)
+{
+ clib_time_t clib_time;
+ void *h_mem = clib_mem_alloc (2ULL << 30);
+ void *h;
+ uword *objects = 0;
+ int i;
+ f64 before, after;
+
+ clib_time_init (&clib_time);
+
+ vec_validate (objects, 2000000 - 1);
+
+ h = mheap_alloc (h_mem, (uword) (2 << 30));
+
+ before = clib_time_now (&clib_time);
+
+ for (i = 0; i < vec_len (objects); i++)
+ {
+ h = mheap_get_aligned (h, 24 /* size */ ,
+ 64 /* align */ ,
+ 16 /* align at offset */ , &objects[i]);
+ }
+
+ after = clib_time_now (&clib_time);
+
+ fformat (stdout, "alloc: %u objects in %.2f seconds, %.2f objects/second\n",
+ vec_len (objects), (after - before),
+ ((f64) vec_len (objects)) / (after - before));
+
+ return 0;
+}
+
+
+int
+test_mheap_main (unformat_input_t * input)
+{
+ int i, j, k, n_iterations;
+ void *h, *h_mem;
+ uword *objects = 0;
+ u32 objects_used, really_verbose, n_objects, max_object_size;
+ u32 check_mask, seed, trace, use_vm;
+ u32 print_every = 0;
+ u32 *data;
+ mheap_t *mh;
+
+ /* Validation flags. */
+ check_mask = 0;
+#define CHECK_VALIDITY 1
+#define CHECK_DATA 2
+#define CHECK_ALIGN 4
+#define TEST1 8
+
+ n_iterations = 10;
+ seed = 0;
+ max_object_size = 100;
+ n_objects = 1000;
+ trace = 0;
+ really_verbose = 0;
+ use_vm = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (0 == unformat (input, "iter %d", &n_iterations)
+ && 0 == unformat (input, "count %d", &n_objects)
+ && 0 == unformat (input, "size %d", &max_object_size)
+ && 0 == unformat (input, "seed %d", &seed)
+ && 0 == unformat (input, "print %d", &print_every)
+ && 0 == unformat (input, "validdata %|",
+ &check_mask, CHECK_DATA | CHECK_VALIDITY)
+ && 0 == unformat (input, "valid %|",
+ &check_mask, CHECK_VALIDITY)
+ && 0 == unformat (input, "verbose %=", &really_verbose, 1)
+ && 0 == unformat (input, "trace %=", &trace, 1)
+ && 0 == unformat (input, "vm %=", &use_vm, 1)
+ && 0 == unformat (input, "align %|", &check_mask, CHECK_ALIGN)
+ && 0 == unformat (input, "test1 %|", &check_mask, TEST1))
+ {
+ clib_warning ("unknown input `%U'", format_unformat_error, input);
+ return 1;
+ }
+ }
+
+ /* Zero seed means use default. */
+ if (!seed)
+ seed = random_default_seed ();
+
+ if (check_mask & TEST1)
+ {
+ return test1 ();
+ }
+
+ if_verbose
+ ("testing %d iterations, %d %saligned objects, max. size %d, seed %d",
+ n_iterations, n_objects, (check_mask & CHECK_ALIGN) ? "randomly " : "un",
+ max_object_size, seed);
+
+ vec_resize (objects, n_objects);
+ if (vec_bytes (objects) > 0) /* stupid warning be gone */
+ clib_memset (objects, ~0, vec_bytes (objects));
+ objects_used = 0;
+
+ /* Allocate initial heap. */
+ {
+ uword size =
+ max_pow2 (2 * n_objects * max_object_size * sizeof (data[0]));
+
+ h_mem = clib_mem_alloc (size);
+ if (!h_mem)
+ return 0;
+
+ h = mheap_alloc (h_mem, size);
+ }
+
+ if (trace)
+ mheap_trace (h, trace);
+
+ mh = mheap_header (h);
+
+ if (use_vm)
+ mh->flags &= ~MHEAP_FLAG_DISABLE_VM;
+ else
+ mh->flags |= MHEAP_FLAG_DISABLE_VM;
+
+ if (check_mask & CHECK_VALIDITY)
+ mh->flags |= MHEAP_FLAG_VALIDATE;
+
+ for (i = 0; i < n_iterations; i++)
+ {
+ while (1)
+ {
+ j = random_u32 (&seed) % vec_len (objects);
+ if (objects[j] != ~0 || i + objects_used < n_iterations)
+ break;
+ }
+
+ if (objects[j] != ~0)
+ {
+ mheap_put (h, objects[j]);
+ objects_used--;
+ objects[j] = ~0;
+ }
+ else
+ {
+ uword size, align, align_offset;
+
+ size = (random_u32 (&seed) % max_object_size) * sizeof (data[0]);
+ align = align_offset = 0;
+ if (check_mask & CHECK_ALIGN)
+ {
+ align = 1 << (random_u32 (&seed) % 10);
+ align_offset = round_pow2 (random_u32 (&seed) & (align - 1),
+ sizeof (u32));
+ }
+
+ h = mheap_get_aligned (h, size, align, align_offset, &objects[j]);
+
+ if (align > 0)
+ ASSERT (0 == ((objects[j] + align_offset) & (align - 1)));
+
+ ASSERT (objects[j] != ~0);
+ objects_used++;
+
+ /* Set newly allocated object with test data. */
+ if (check_mask & CHECK_DATA)
+ {
+ uword len;
+
+ data = (void *) h + objects[j];
+ len = mheap_len (h, data);
+
+ ASSERT (size <= mheap_data_bytes (h, objects[j]));
+
+ data[0] = len;
+ for (k = 1; k < len; k++)
+ data[k] = objects[j] + k;
+ }
+ }
+
+ /* Verify that all used objects have correct test data. */
+ if (check_mask & 2)
+ {
+ for (j = 0; j < vec_len (objects); j++)
+ if (objects[j] != ~0)
+ {
+ u32 *data = h + objects[j];
+ uword len = data[0];
+ for (k = 1; k < len; k++)
+ ASSERT (data[k] == objects[j] + k);
+ }
+ }
+ if (print_every != 0 && i > 0 && (i % print_every) == 0)
+ fformat (stderr, "iteration %d: %U\n", i, format_mheap, h,
+ really_verbose);
+ }
+
+ if (verbose)
+ fformat (stderr, "%U\n", format_mheap, h, really_verbose);
+ mheap_free (h);
+ clib_mem_free (h_mem);
+ vec_free (objects);
+
+ return 0;
+}
+
+#ifdef CLIB_UNIX
+int
+main (int argc, char *argv[])
+{
+ unformat_input_t i;
+ int ret;
+
+ clib_mem_init (0, 3ULL << 30);
+
+ verbose = (argc > 1);
+ unformat_init_command_line (&i, argv);
+ ret = test_mheap_main (&i);
+ unformat_free (&i);
+
+ return ret;
+}
+#endif /* CLIB_UNIX */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */