projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 62d3069f DG |
1 | /* |
| 2 | * Copyright (C) 2009 Pierre-Marc Fournier | |
| 3 | * 2011 David Goulet <david.goulet@polymtl.ca> | |
| 4 | * | |
| 5 | * This 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 | * This 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 this library; if not, write to the Free Software | |
| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 18 | */ | |
| 19 | ||
| 20 | #ifndef _LTT_LIBUSTCTL_H | |
| 21 | #define _LTT_LIBUSTCTL_H | |
| 22 | ||
| 23 | #define USTCTL_ERR_CONN 1 /* Process connection error */ | |
| 24 | #define USTCTL_ERR_ARG 2 /* Invalid function argument */ | |
| 25 | #define USTCTL_ERR_GEN 3 /* General ustctl error */ | |
| 26 | ||
| 27 | #define USTCTL_MS_CHR_OFF '0' /* Marker state 'on' character */ | |
| 28 | #define USTCTL_MS_CHR_ON '1' /* Marker state 'on' character */ | |
| 29 | #define USTCTL_MS_OFF 0 /* Marker state 'on' value */ | |
| 30 | #define USTCTL_MS_ON 1 /* Marker state 'on' value */ | |
| 31 | ||
| 32 | /* | |
| 33 | * Channel/marker/state/format string (cmsf) data structure | |
| 34 | */ | |
| 35 | struct ustctl_marker_status { | |
| 36 | char *channel; /* Channel name (end of ustctl_marker_status array if NULL) */ | |
| 37 | char *ust_marker; /* Marker name (end of ustctl_marker_status array if NULL) */ | |
| 38 | int state; /* State (0 := marker disabled, 1 := marker enabled) */ | |
| 39 | char *fs; /* Format string (end of ustctl_marker_status array if NULL) */ | |
| 40 | }; | |
| 41 | ||
| 42 | struct ustctl_trace_event_status { | |
| 43 | char *name; | |
| 44 | }; | |
| 45 | ||
| 46 | pid_t *ustctl_get_online_pids(void); | |
| 47 | ||
| 48 | int ustctl_alloc_trace(int sock, const char *trace); | |
| 49 | int ustctl_connect_pid(pid_t pid); | |
| 50 | int ustctl_create_trace(int sock, const char *trace); | |
| 51 | int ustctl_destroy_trace(int sock, const char *trace); | |
| 52 | int ustctl_force_switch(int sock, const char *trace); | |
| 53 | int ustctl_free_cmsf(struct ustctl_marker_status *cmsf); | |
| 54 | int ustctl_free_tes(struct ustctl_trace_event_status *tes); | |
| 55 | int ustctl_get_cmsf(int sock, struct ustctl_marker_status **cmsf); | |
| 56 | int ustctl_get_sock_path(int sock, char **sock_path); | |
| 57 | int ustctl_get_subbuf_num(pid_t pid, const char *trace, const char *channel); | |
| 58 | int ustctl_get_subbuf_size(int sock, const char *trace, const char *channel); | |
| 59 | int ustctl_get_tes(int sock, struct ustctl_trace_event_status **tes); | |
| 60 | int ustctl_set_sock_path(int sock, const char *sock_path); | |
| 61 | ||
| 62 | int ustctl_set_marker_state(int sock, const char *trace, | |
| 63 | const char *channel, const char *ust_marker, int state); | |
| 64 | ||
| 65 | int ustctl_set_subbuf_size(int sock, const char *trace, | |
| 66 | const char *channel, unsigned int subbuf_size); | |
| 67 | ||
| 68 | int ustctl_set_subbuf_num(int sock, const char *trace, | |
| 69 | const char *channel, unsigned int num); | |
| 70 | ||
| 71 | int ustctl_setup_and_start(int sock, const char *trace); | |
| 72 | int ustctl_start_trace(int sock, const char *trace); | |
| 73 | int ustctl_stop_trace(int sock, const char *trace); | |
| 74 | unsigned int ustctl_count_nl(const char *str); | |
| 75 | ||
| 76 | #endif /* _LTT_LIBUSTCTL_H */ |