summaryrefslogtreecommitdiffstats
path: root/src/vppinfra/test_pmalloc.c
blob: a59ff32db059f6d570a8f04449465bbcf6a2072c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
/*
 * Copyright (c) 2018 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.
 */

#include <vppinfra/format.h>
#include <vppinfra/pmalloc.h>
#include <vppinfra/random.h>

typedef struct
{
  uword baseva;
  uword size;
  uword *vas;
  u32 nitems;
  u32 item_size;
  u32 align;
  int max_numa;
  u32 arena_pages;
  u32 arena_numa;
  u32 arena_items;
  u32 arena_log2_pg_sz;
  int verbose;
  clib_pmalloc_main_t pmalloc_main;
} test_main_t;

test_main_t test_main;

clib_error_t *
test_palloc (test_main_t * tm)
{
  clib_pmalloc_main_t *pm = &tm->pmalloc_main;
  void *arena;
  int i;
  uword *va;

  if (clib_pmalloc_init (pm, 0, 0) != 0)
    return clib_error_return (0, "pmalloc init failure");

  fformat (stdout, "Allocate %d items...\n", tm->nitems);

  for (i = 0; i < tm->nitems; i++)
    {
      u32 size = tm->item_size ? tm->item_size : 64 + 64 * (i % 8);
      u32 align = tm->align ? tm->align : 64 << (i % 5);
      u32 numa = i % (tm->max_numa + 1);
      va = clib_pmalloc_alloc_aligned_on_numa (pm, size, align, numa);

      if (va == 0)
	clib_error ("Failed to alloc %u byte chunk with align %u on numa %u,"
		    "\nerror: %U", size, align, numa, format_clib_error,
		    clib_pmalloc_last_error (pm));

      if ((pointer_to_uword (va) & (align - 1)) != 0)
	clib_error (0, "Alignment error: %p not aligned with %u", va, align);

      vec_add1 (tm->vas, pointer_to_uword (va));
    }
  fformat (stdout, "%U\n", format_pmalloc, pm, tm->verbose);

  /* alloc from arena */
  if (tm->arena_items)
    {
      fformat (stdout, "Allocate %d items from arena ...\n", tm->arena_items);
      arena = clib_pmalloc_create_shared_arena (pm, "test arena",
						tm->arena_pages << 21,
						tm->arena_log2_pg_sz,
						tm->arena_numa);
      if (arena == 0)
	clib_error ("Failed to alloc shared arena: %U", format_clib_error,
		    clib_pmalloc_last_error (pm));

      for (i = 0; i < tm->arena_items; i++)
	{
	  u32 size = tm->item_size ? tm->item_size : 64 + 64 * (i % 8);
	  u32 align = tm->align ? tm->align : 64 << (i % 5);
	  va = clib_pmalloc_alloc_from_arena (pm, arena, size, align);
	  vec_add1 (tm->vas, pointer_to_uword (va));
	}
      fformat (stdout, "\n%U\n", format_pmalloc, pm, tm->verbose);
    }


  fformat (stdout, "Freeing %d items ...\n", vec_len (tm->vas));
  for (i = 0; i < vec_len (tm->vas); i++)
    clib_pmalloc_free (pm, (void *) tm->vas[i]);

  fformat (stdout, "\n%U\n", format_pmalloc, pm, tm->verbose);
  return 0;
}

clib_error_t *
test_palloc_main (unformat_input_t * i)
{
  test_main_t *tm = &test_main;
  clib_error_t *error;

  tm->nitems = 5;
  tm->arena_pages = 2;
  tm->arena_numa = CLIB_PMALLOC_NUMA_LOCAL;

  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat (i, "nitems %u", &tm->nitems))
	;
      else if (unformat (i, "max-numa %u", &tm->max_numa))
	;
      else if (unformat (i, "item-size %u", &tm->item_size))
	;
      else if (unformat (i, "align %u", &tm->align))
	;
      else if (unformat (i, "verbose %d", &tm->verbose))
	;
      else if (unformat (i, "arena-pages %u", &tm->arena_pages))
	;
      else if (unformat (i, "arena-numa %u", &tm->arena_numa))
	;
      else if (unformat (i, "arena-items %u", &tm->arena_items))
	;
      else if (unformat (i, "arena-log2-page-size %u", &tm->arena_log2_pg_sz))
	;
      else if (unformat (i, "verbose"))
	tm->verbose = 1;
      else
	return clib_error_return (0, "unknown input '%U'",
				  format_unformat_error, i);
    }

  error = test_palloc (tm);

  return error;
}

#ifdef CLIB_UNIX
int
main (int argc, char *argv[])
{
  unformat_input_t i;
  int rv = 0;
  clib_error_t *error;

  clib_mem_init (0, 3ULL << 30);

  unformat_init_command_line (&i, argv);
  error = test_palloc_main (&i);
  if (error)
    {
      clib_error_report (error);
      rv = 1;
    }
  unformat_free (&i);

  return rv;
}
#endif /* CLIB_UNIX */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */