src/bin/lttng/utils.h

   1 /*
   2  * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-only
   5  *
   6  */
   7
   8 #ifndef _LTTNG_UTILS_H
   9 #define _LTTNG_UTILS_H
  10
  11 #include <popt.h>
  12 #include <common/argpar/argpar.h>
  13 #include <common/dynamic-array.h>
  14
  15 #include <lttng/lttng.h>
  16
  17 extern char *opt_relayd_path;
  18 extern int opt_no_sessiond;
  19 extern char * opt_sessiond_path;
  20 extern pid_t sessiond_pid;
  21
  22 struct cmd_struct;
  23
  24 char *get_session_name(void);
  25 char *get_session_name_quiet(void);
  26 void list_commands(struct cmd_struct *commands, FILE *ofp);
  27 void list_cmd_options(FILE *ofp, struct poptOption *options);
  28 void list_cmd_options_argpar(FILE *ofp, const struct argpar_opt_descr *options);
  29
  30 /*
  31  * Return the minimum order for which x <= (1UL << order).
  32  * Return -1 if x is 0.
  33  */
  34 int get_count_order_u32(uint32_t x);
  35
  36 /*
  37  * Return the minimum order for which x <= (1UL << order).
  38  * Return -1 if x is 0.
  39  */
  40 int get_count_order_u64(uint64_t x);
  41
  42 /*
  43  * Return the minimum order for which x <= (1UL << order).
  44  * Return -1 if x is 0.
  45  */
  46 int get_count_order_ulong(unsigned long x);
  47
  48 const char *get_event_type_str(enum lttng_event_type event_type);
  49
  50 int print_missing_or_multiple_domains(unsigned int domain_count,
  51                 bool include_agent_domains);
  52
  53 int spawn_relayd(const char *pathname, int port);
  54 int check_relayd(void);
  55 void print_session_stats(const char *session_name);
  56 int get_session_stats_str(const char *session_name, char **str);
  57 int show_cmd_help(const char *cmd_name, const char *help_msg);
  58
  59 int print_trace_archive_location(
  60                 const struct lttng_trace_archive_location *location,
  61                 const char *session_name);
  62
  63 int validate_exclusion_list(const char *event_name,
  64                 const struct lttng_dynamic_pointer_array *exclusions);
  65
  66 #endif /* _LTTNG_UTILS_H */