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 struct cmd_struct;
  26
  27 char *get_session_name(void);
  28 void list_commands(struct cmd_struct *commands, FILE *ofp);
  29 void list_cmd_options(FILE *ofp, struct poptOption *options);
  30
  31 /*
  32  * Return the minimum order for which x <= (1UL << order).
  33  * Return -1 if x is 0.
  34  */
  35 int get_count_order_u32(uint32_t x);
  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_u64(uint64_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_ulong(unsigned long x);
  48
  49 const char *get_domain_str(enum lttng_domain_type domain);
  50
  51 static inline
  52 void print_missing_domain(void)
  53 {
  54         ERR("Please specify a domain (-k/-u/-j).");
  55 }
  56
  57 #endif /* _LTTNG_UTILS_H */