Implement PID tracking for kernel tracing
[lttng-tools.git] / src / bin / lttng-sessiond / cmd.h
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1/*
2 * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License, version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
12 *
13 * You should have received a copy of the GNU General Public License along with
14 * this program; if not, write to the Free Software Foundation, Inc., 51
15 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 */
17
18#ifndef CMD_H
19#define CMD_H
20
21#include "context.h"
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22#include "session.h"
23
24/*
25 * Init the command subsystem. Must be called before using any of the functions
26 * above. This is called in the main() of the session daemon.
27 */
28void cmd_init(void);
29
30/* Session commands */
31int cmd_create_session_uri(char *name, struct lttng_uri *uris,
ecc48a90 32 size_t nb_uri, lttng_sock_cred *creds, unsigned int live_timer);
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33int cmd_create_session_snapshot(char *name, struct lttng_uri *uris,
34 size_t nb_uri, lttng_sock_cred *creds);
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35int cmd_destroy_session(struct ltt_session *session, int wpipe);
36
37/* Channel commands */
38int cmd_disable_channel(struct ltt_session *session, int domain,
39 char *channel_name);
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40int cmd_enable_channel(struct ltt_session *session,
41 struct lttng_domain *domain, struct lttng_channel *attr, int wpipe);
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42int cmd_track_pid(struct ltt_session *session, int domain, int pid);
43int cmd_untrack_pid(struct ltt_session *session, int domain, int pid);
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44
45/* Event commands */
46int cmd_disable_event(struct ltt_session *session, int domain,
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47 char *channel_name,
48 struct lttng_event *event);
2f77fc4b 49int cmd_add_context(struct ltt_session *session, int domain,
601d5acf 50 char *channel_name, struct lttng_event_context *ctx, int kwpipe);
2f77fc4b 51int cmd_set_filter(struct ltt_session *session, int domain,
178191b3 52 char *channel_name, struct lttng_event *event,
2f77fc4b 53 struct lttng_filter_bytecode *bytecode);
7972aab2 54int cmd_enable_event(struct ltt_session *session, struct lttng_domain *domain,
025faf73 55 char *channel_name, struct lttng_event *event,
6b453b5e 56 char *filter_expression,
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57 struct lttng_filter_bytecode *filter,
58 struct lttng_event_exclusion *exclusion,
59 int wpipe);
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60
61/* Trace session action commands */
62int cmd_start_trace(struct ltt_session *session);
63int cmd_stop_trace(struct ltt_session *session);
64
65/* Consumer commands */
66int cmd_register_consumer(struct ltt_session *session, int domain,
67 const char *sock_path, struct consumer_data *cdata);
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68int cmd_set_consumer_uri(struct ltt_session *session, size_t nb_uri,
69 struct lttng_uri *uris);
ffe60014 70int cmd_setup_relayd(struct ltt_session *session);
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71
72/* Listing commands */
73ssize_t cmd_list_domains(struct ltt_session *session,
74 struct lttng_domain **domains);
75ssize_t cmd_list_events(int domain, struct ltt_session *session,
76 char *channel_name, struct lttng_event **events);
77ssize_t cmd_list_channels(int domain, struct ltt_session *session,
78 struct lttng_channel **channels);
79ssize_t cmd_list_domains(struct ltt_session *session,
80 struct lttng_domain **domains);
81void cmd_list_lttng_sessions(struct lttng_session *sessions, uid_t uid,
82 gid_t gid);
83ssize_t cmd_list_tracepoint_fields(int domain,
84 struct lttng_event_field **fields);
85ssize_t cmd_list_tracepoints(int domain, struct lttng_event **events);
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86ssize_t cmd_snapshot_list_outputs(struct ltt_session *session,
87 struct lttng_snapshot_output **outputs);
834978fd 88ssize_t cmd_list_syscalls(struct lttng_event **events);
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89
90int cmd_calibrate(int domain, struct lttng_calibrate *calibrate);
6d805429 91int cmd_data_pending(struct ltt_session *session);
2f77fc4b 92
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93/* Snapshot */
94int cmd_snapshot_add_output(struct ltt_session *session,
95 struct lttng_snapshot_output *output, uint32_t *id);
96int cmd_snapshot_del_output(struct ltt_session *session,
97 struct lttng_snapshot_output *output);
98int cmd_snapshot_record(struct ltt_session *session,
99 struct lttng_snapshot_output *output, int wait);
100
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101int cmd_set_session_shm_path(struct ltt_session *session,
102 const char *shm_path);
103
2f77fc4b 104#endif /* CMD_H */
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