Fix: only create trace chunk if the output of a session supports it
[lttng-tools.git] / src / bin / lttng / utils.h
1 /*
2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License, version 2 only,
6 * as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 */
17
18 #ifndef _LTTNG_UTILS_H
19 #define _LTTNG_UTILS_H
20
21 #include <popt.h>
22
23 #include <lttng/lttng.h>
24
25 extern char *opt_relayd_path;
26 extern int opt_no_sessiond;
27 extern char * opt_sessiond_path;
28 extern pid_t sessiond_pid;
29
30 struct cmd_struct;
31
32 char *get_session_name(void);
33 char *get_session_name_quiet(void);
34 void list_commands(struct cmd_struct *commands, FILE *ofp);
35 void list_cmd_options(FILE *ofp, struct poptOption *options);
36
37 /*
38 * Return the minimum order for which x <= (1UL << order).
39 * Return -1 if x is 0.
40 */
41 int get_count_order_u32(uint32_t x);
42
43 /*
44 * Return the minimum order for which x <= (1UL << order).
45 * Return -1 if x is 0.
46 */
47 int get_count_order_u64(uint64_t x);
48
49 /*
50 * Return the minimum order for which x <= (1UL << order).
51 * Return -1 if x is 0.
52 */
53 int get_count_order_ulong(unsigned long x);
54
55 const char *get_domain_str(enum lttng_domain_type domain);
56 const char *get_event_type_str(enum lttng_event_type event_type);
57
58 int print_missing_or_multiple_domains(unsigned int sum);
59
60 int spawn_relayd(const char *pathname, int port);
61 int check_relayd(void);
62 void print_session_stats(const char *session_name);
63 int show_cmd_help(const char *cmd_name, const char *help_msg);
64
65 int print_trace_archive_location(
66 const struct lttng_trace_archive_location *location,
67 const char *session_name);
68
69 #endif /* _LTTNG_UTILS_H */
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