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4c7e2bb0 | 1 | /* Copyright (C) 2002, 2003 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
19 | ||
20 | #include <argp.h> | |
21 | ||
22 | ||
23 | ||
24 | ||
25 | #define OPT_TO_THREAD 300 | |
26 | #define OPT_TO_PROCESS 301 | |
27 | #define OPT_SYNC_SIGNAL 302 | |
28 | #define OPT_SYNC_JOIN 303 | |
29 | #define OPT_TOPLEVEL 304 | |
30 | ||
31 | ||
4c7e2bb0 | 32 | static const struct argp_option test_options[] = |
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33 | { |
34 | { NULL, 0, NULL, 0, "\ | |
35 | This is a test for threads so we allow ther user to selection the number of \ | |
36 | threads which are used at any one time. Independently the total number of \ | |
37 | rounds can be selected. This is the total number of threads which will have \ | |
38 | run when the process terminates:" }, | |
39 | { "threads", 't', "NUMBER", 0, "Number of threads used at once" }, | |
40 | { "starts", 's', "NUMBER", 0, "Total number of working threads" }, | |
41 | { "toplevel", OPT_TOPLEVEL, "NUMBER", 0, | |
42 | "Number of toplevel threads which start the other threads; this \ | |
43 | implies --sync-join" }, | |
44 | ||
45 | { NULL, 0, NULL, 0, "\ | |
46 | Each thread can do one of two things: sleep or do work. The latter is 100% \ | |
47 | CPU bound. The work load is the probability a thread does work. All values \ | |
48 | from zero to 100 (inclusive) are valid. How often each thread repeats this \ | |
49 | can be determined by the number of rounds. The work cost determines how long \ | |
50 | each work session (not sleeping) takes. If it is zero a thread would \ | |
51 | effectively nothing. By setting the number of rounds to zero the thread \ | |
52 | does no work at all and pure thread creation times can be measured." }, | |
53 | { "workload", 'w', "PERCENT", 0, "Percentage of time spent working" }, | |
54 | { "workcost", 'c', "NUMBER", 0, | |
55 | "Factor in the cost of each round of working" }, | |
56 | { "rounds", 'r', "NUMBER", 0, "Number of rounds each thread runs" }, | |
57 | ||
58 | { NULL, 0, NULL, 0, "\ | |
59 | There are a number of different methods how thread creation can be \ | |
60 | synchronized. Synchronization is necessary since the number of concurrently \ | |
61 | running threads is limited." }, | |
62 | { "sync-signal", OPT_SYNC_SIGNAL, NULL, 0, | |
63 | "Synchronize using a signal (default)" }, | |
64 | { "sync-join", OPT_SYNC_JOIN, NULL, 0, "Synchronize using pthread_join" }, | |
65 | ||
66 | { NULL, 0, NULL, 0, "\ | |
67 | One parameter for each threads execution is the size of the stack. If this \ | |
68 | parameter is not used the system's default stack size is used. If many \ | |
69 | threads are used the stack size should be chosen quite small." }, | |
70 | { "stacksize", 'S', "BYTES", 0, "Size of threads stack" }, | |
71 | { "guardsize", 'g', "BYTES", 0, | |
72 | "Size of stack guard area; must fit into the stack" }, | |
73 | ||
74 | { NULL, 0, NULL, 0, "Signal options:" }, | |
75 | { "to-thread", OPT_TO_THREAD, NULL, 0, "Send signal to main thread" }, | |
76 | { "to-process", OPT_TO_PROCESS, NULL, 0, | |
77 | "Send signal to process (default)" }, | |
78 | ||
79 | { NULL, 0, NULL, 0, "Administrative options:" }, | |
80 | { "progress", 'p', NULL, 0, "Show signs of progress" }, | |
81 | { "timing", 'T', NULL, 0, | |
82 | "Measure time from startup to the last thread finishing" }, | |
83 | { NULL, 0, NULL, 0, NULL } | |
84 | }; | |
85 | ||
86 | /* Prototype for option handler. */ | |
87 | static error_t parse_opt (int key, char *arg, struct argp_state *state); | |
88 | ||
89 | /* Data structure to communicate with argp functions. */ | |
90 | static struct argp argp = | |
91 | { | |
4c7e2bb0 | 92 | test_options, parse_opt |
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93 | }; |
94 | ||
95 | ||
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96 | static int |
97 | do_test (void) | |
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98 | { |
99 | int argc = 2; | |
abbd6175 | 100 | char *argv[3] = { (char *) "tst-argp1", (char *) "--help", NULL }; |
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101 | int remaining; |
102 | ||
103 | /* Parse and process arguments. */ | |
104 | argp_parse (&argp, argc, argv, 0, &remaining, NULL); | |
105 | ||
106 | return 0; | |
107 | } | |
108 | ||
109 | ||
110 | /* Handle program arguments. */ | |
111 | static error_t | |
112 | parse_opt (int key, char *arg, struct argp_state *state) | |
113 | { | |
114 | return ARGP_ERR_UNKNOWN; | |
115 | } | |
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116 | |
117 | #define TEST_FUNCTION do_test () | |
118 | #include "../test-skeleton.c" |