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 #include "version.h"
  23
  24 #include <lttng/lttng.h>
  25
  26 extern char *opt_relayd_path;
  27 extern int opt_no_sessiond;
  28 extern char * opt_sessiond_path;
  29 extern pid_t sessiond_pid;
  30
  31 struct cmd_struct;
  32
  33 char *get_session_name(void);
  34 char *get_session_name_quiet(void);
  35 void list_commands(struct cmd_struct *commands, FILE *ofp);
  36 void list_cmd_options(FILE *ofp, struct poptOption *options);
  37
  38 /*
  39  * Return the minimum order for which x <= (1UL << order).
  40  * Return -1 if x is 0.
  41  */
  42 int get_count_order_u32(uint32_t x);
  43
  44 /*
  45  * Return the minimum order for which x <= (1UL << order).
  46  * Return -1 if x is 0.
  47  */
  48 int get_count_order_u64(uint64_t x);
  49
  50 /*
  51  * Return the minimum order for which x <= (1UL << order).
  52  * Return -1 if x is 0.
  53  */
  54 int get_count_order_ulong(unsigned long x);
  55
  56 const char *get_domain_str(enum lttng_domain_type domain);
  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 #endif /* _LTTNG_UTILS_H */