2 This file is part of GNUnet.
3 (C) 2006, 2009, 2010 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
21 * @file datacache/perf_datacache.c
22 * @brief Performance evaluation for the datacache implementations.
26 #include "gnunet_util_lib.h"
27 #include "gnunet_datacache_lib.h"
30 #define VERBOSE GNUNET_EXTRA_LOGGING
32 #define ASSERT(x) do { if (! (x)) { printf("Error at %s:%d\n", __FILE__, __LINE__); goto FAILURE;} } while (0)
34 #define ITERATIONS 10000
38 static unsigned int found;
41 * Name of plugin under test.
43 static const char *plugin_name;
47 checkIt (void *cls, struct GNUNET_TIME_Absolute exp,
48 const GNUNET_HashCode * key, size_t size, const char *data,
49 enum GNUNET_BLOCK_Type type)
51 if ((size == sizeof (GNUNET_HashCode)) && (0 == memcmp (data, cls, size)))
58 run (void *cls, char *const *args, const char *cfgfile,
59 const struct GNUNET_CONFIGURATION_Handle *cfg)
61 struct GNUNET_DATACACHE_Handle *h;
64 struct GNUNET_TIME_Absolute exp;
65 struct GNUNET_TIME_Absolute start;
70 h = GNUNET_DATACACHE_create (cfg, "perfcache");
75 "Failed to initialize datacache. Database likely not setup, skipping test.\n");
78 exp = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_HOURS);
79 start = GNUNET_TIME_absolute_get ();
80 memset (&k, 0, sizeof (GNUNET_HashCode));
81 for (i = 0; i < ITERATIONS; i++)
83 if (0 == i % (ITERATIONS / 80))
84 fprintf (stderr, ".");
85 GNUNET_CRYPTO_hash (&k, sizeof (GNUNET_HashCode), &n);
87 GNUNET_DATACACHE_put (h, &k, sizeof (GNUNET_HashCode),
88 (const char *) &n, 1 + i % 16, exp));
91 fprintf (stderr, "\n");
92 fprintf (stdout, "Stored %u items in %llums\n", ITERATIONS,
94 GNUNET_TIME_absolute_get_duration (start).rel_value);
95 GNUNET_snprintf (gstr, sizeof (gstr), "DATACACHE-%s", plugin_name);
96 GAUGER (gstr, "Time to PUT item in datacache",
97 GNUNET_TIME_absolute_get_duration (start).rel_value / ITERATIONS,
99 start = GNUNET_TIME_absolute_get ();
100 memset (&k, 0, sizeof (GNUNET_HashCode));
101 for (i = 0; i < ITERATIONS; i++)
103 if (0 == i % (ITERATIONS / 80))
104 fprintf (stderr, ".");
105 GNUNET_CRYPTO_hash (&k, sizeof (GNUNET_HashCode), &n);
106 GNUNET_DATACACHE_get (h, &k, 1 + i % 16, &checkIt, &n);
109 fprintf (stderr, "\n");
111 "Found %u/%u items in %llums (%u were deleted during storage processing)\n",
114 GNUNET_TIME_absolute_get_duration (start).rel_value,
117 GAUGER (gstr, "Time to GET item from datacache",
118 GNUNET_TIME_absolute_get_duration (start).rel_value / found,
120 GNUNET_DATACACHE_destroy (h);
125 GNUNET_DATACACHE_destroy (h);
131 main (int argc, char *argv[])
136 char *const xargv[] = {
145 struct GNUNET_GETOPT_CommandLineOption options[] = {
146 GNUNET_GETOPT_OPTION_END
149 GNUNET_log_setup ("perf-datacache",
156 /* determine name of plugin to use */
157 plugin_name = argv[0];
158 while (NULL != (pos = strstr (plugin_name, "_")))
159 plugin_name = pos + 1;
160 if (NULL != (pos = strstr (plugin_name, ".")))
163 pos = (char *) plugin_name;
165 GNUNET_snprintf (cfg_name, sizeof (cfg_name), "perf_datacache_data_%s.conf",
167 if (pos != plugin_name)
169 GNUNET_PROGRAM_run ((sizeof (xargv) / sizeof (char *)) - 1, xargv,
170 "perf-datacache", "nohelp", options, &run, NULL);
172 fprintf (stderr, "Missed some perfcases: %d\n", ok);
176 /* end of perf_datacache.c */