| 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 */ |