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Diffstat (limited to 'src/util/test_os_load.c')
-rw-r--r-- | src/util/test_os_load.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/util/test_os_load.c b/src/util/test_os_load.c new file mode 100644 index 000000000..2f82f60c7 --- /dev/null +++ b/src/util/test_os_load.c | |||
@@ -0,0 +1,182 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | (C) 2003, 2004, 2005, 2006, 2009 Christian Grothoff (and other contributing authors) | ||
4 | |||
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 2, or (at your | ||
8 | option) any later version. | ||
9 | |||
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. | ||
14 | |||
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. | ||
19 | */ | ||
20 | /** | ||
21 | * @file util/test_os_load.c | ||
22 | * @brief testcase for util/os_load.c | ||
23 | */ | ||
24 | #include "platform.h" | ||
25 | #include "gnunet_common.h" | ||
26 | #include "gnunet_configuration_lib.h" | ||
27 | #include "gnunet_crypto_lib.h" | ||
28 | #include "gnunet_disk_lib.h" | ||
29 | #include "gnunet_os_lib.h" | ||
30 | #include "gnunet_time_lib.h" | ||
31 | |||
32 | #define VERBOSE 0 | ||
33 | |||
34 | static int | ||
35 | testcpu () | ||
36 | { | ||
37 | static long k; | ||
38 | int ret; | ||
39 | struct GNUNET_TIME_Absolute start; | ||
40 | struct GNUNET_CONFIGURATION_Handle *cfg; | ||
41 | |||
42 | fprintf (stderr, "CPU load test, this may take a while."); | ||
43 | cfg = GNUNET_CONFIGURATION_create (); | ||
44 | GNUNET_assert (cfg != NULL); | ||
45 | /* need to run each phase for more than 10s since | ||
46 | statuscalls only refreshes that often... */ | ||
47 | GNUNET_CONFIGURATION_set_value_number (cfg, "LOAD", "MAXCPULOAD", 100); | ||
48 | GNUNET_OS_load_cpu_get (cfg); | ||
49 | start = GNUNET_TIME_absolute_get (); | ||
50 | while ((GNUNET_TIME_absolute_get_duration (start).value < 120 * 1000) && | ||
51 | (0 != GNUNET_OS_load_cpu_get (cfg))) | ||
52 | sleep (1); | ||
53 | start = GNUNET_TIME_absolute_get (); | ||
54 | ret = GNUNET_OS_load_cpu_get (cfg); | ||
55 | if (ret > 10) | ||
56 | { | ||
57 | fprintf (stderr, | ||
58 | "\nWARNING: base load too high (%d) to run CPU load test.\n", | ||
59 | ret); | ||
60 | GNUNET_CONFIGURATION_destroy (cfg); | ||
61 | return 0; | ||
62 | } | ||
63 | if (ret == -1) | ||
64 | { | ||
65 | fprintf (stderr, "\nWARNING: CPU load determination not supported.\n"); | ||
66 | GNUNET_CONFIGURATION_destroy (cfg); | ||
67 | return 0; | ||
68 | } | ||
69 | while (GNUNET_TIME_absolute_get_duration (start).value < 60 * 1000) | ||
70 | { | ||
71 | k++; /* do some processing to drive load up */ | ||
72 | if (ret < GNUNET_OS_load_cpu_get (cfg)) | ||
73 | break; | ||
74 | } | ||
75 | if (ret >= GNUNET_OS_load_cpu_get (cfg)) | ||
76 | { | ||
77 | fprintf (stderr, | ||
78 | "\nbusy loop failed to increase CPU load: %d >= %d.", | ||
79 | ret, GNUNET_OS_load_cpu_get (cfg)); | ||
80 | ret = 1; | ||
81 | } | ||
82 | else | ||
83 | { | ||
84 | #if VERBOSE | ||
85 | fprintf (stderr, | ||
86 | "\nbusy loop increased CPU load: %d < %d.", | ||
87 | ret, GNUNET_OS_load_cpu_get (cfg)); | ||
88 | #endif | ||
89 | ret = 0; | ||
90 | } | ||
91 | fprintf (stderr, "\n"); | ||
92 | |||
93 | |||
94 | GNUNET_CONFIGURATION_destroy (cfg); | ||
95 | return ret; | ||
96 | } | ||
97 | |||
98 | static int | ||
99 | testdisk () | ||
100 | { | ||
101 | int ret; | ||
102 | int fd; | ||
103 | char buf[65536]; | ||
104 | struct GNUNET_TIME_Absolute start; | ||
105 | struct GNUNET_CONFIGURATION_Handle *cfg; | ||
106 | |||
107 | fprintf (stderr, "IO load test, this may take a while."); | ||
108 | cfg = GNUNET_CONFIGURATION_create (); | ||
109 | GNUNET_assert (cfg != NULL); | ||
110 | /* need to run each phase for more than 10s since | ||
111 | statuscalls only refreshes that often... */ | ||
112 | GNUNET_CONFIGURATION_set_value_number (cfg, "LOAD", "MAXIOLOAD", 100); | ||
113 | GNUNET_OS_load_disk_get (cfg); | ||
114 | start = GNUNET_TIME_absolute_get (); | ||
115 | while ((GNUNET_TIME_absolute_get_duration (start).value < 12 * 1000) && | ||
116 | (0 != GNUNET_OS_load_disk_get (cfg))) | ||
117 | sleep (1); | ||
118 | start = GNUNET_TIME_absolute_get (); | ||
119 | ret = GNUNET_OS_load_disk_get (cfg); | ||
120 | if (ret > 10) | ||
121 | { | ||
122 | fprintf (stderr, | ||
123 | "WARNING: base load too high (%d) to run IO load test.\n", | ||
124 | ret); | ||
125 | GNUNET_CONFIGURATION_destroy (cfg); | ||
126 | return 0; | ||
127 | } | ||
128 | if (ret == -1) | ||
129 | { | ||
130 | fprintf (stderr, "WARNING: IO load determination not supported.\n"); | ||
131 | GNUNET_CONFIGURATION_destroy (cfg); | ||
132 | return 0; | ||
133 | } | ||
134 | memset (buf, 42, sizeof (buf)); | ||
135 | fd = | ||
136 | GNUNET_DISK_file_open (".loadfile", O_WRONLY | O_CREAT, | ||
137 | S_IRUSR | S_IWUSR); | ||
138 | GNUNET_assert (fd != -1); | ||
139 | while (GNUNET_TIME_absolute_get_duration (start).value < 60 * 1000) | ||
140 | { | ||
141 | LSEEK (fd, GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK, | ||
142 | 1024 * 1024 * 1024), SEEK_SET); | ||
143 | GNUNET_assert (sizeof (buf) == WRITE (fd, buf, sizeof (buf))); | ||
144 | fsync (fd); | ||
145 | if (ret < GNUNET_OS_load_disk_get (cfg)) | ||
146 | break; | ||
147 | } | ||
148 | GNUNET_break (0 == CLOSE (fd)); | ||
149 | GNUNET_break (0 == UNLINK (".loadfile")); | ||
150 | if (ret >= GNUNET_OS_load_disk_get (cfg)) | ||
151 | { | ||
152 | fprintf (stderr, | ||
153 | "\nbusy loop failed to increase IO load: %d >= %d.", | ||
154 | ret, GNUNET_OS_load_disk_get (cfg)); | ||
155 | ret = 1; | ||
156 | } | ||
157 | else | ||
158 | { | ||
159 | #if VERBOSE | ||
160 | fprintf (stderr, | ||
161 | "\nbusy loop increased disk load: %d < %d.", | ||
162 | ret, GNUNET_OS_load_disk_get (cfg)); | ||
163 | #endif | ||
164 | ret = 0; | ||
165 | } | ||
166 | fprintf (stderr, "\n"); | ||
167 | GNUNET_CONFIGURATION_destroy (cfg); | ||
168 | return 0; | ||
169 | } | ||
170 | |||
171 | int | ||
172 | main (int argc, char *argv[]) | ||
173 | { | ||
174 | int errCnt = 0; | ||
175 | |||
176 | GNUNET_log_setup ("test-os-load", "WARNING", NULL); | ||
177 | if (0 != testcpu ()) | ||
178 | errCnt++; | ||
179 | if (0 != testdisk ()) | ||
180 | errCnt++; | ||
181 | return errCnt; | ||
182 | } | ||