/*
- * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License, version 2 only, as
- * published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
*
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef LTTNG_BUFFER_REGISTRY_H
#include <common/hashtable/hashtable.h>
#include "consumer.h"
-#include "ust-ctl.h"
+#include "lttng-ust-ctl.h"
#include "ust-registry.h"
struct buffer_reg_stream {
} obj;
};
+struct buffer_reg_map_counter {
+ struct cds_list_head lnode;
+ union {
+ /* Original object data that MUST be copied over. */
+ struct lttng_ust_object_data *ust;
+ } obj;
+};
+
struct buffer_reg_channel {
/* This key is the same as a tracing channel key. */
uint32_t key;
pthread_mutex_t stream_list_lock;
/* Node for hash table usage. */
struct lttng_ht_node_u64 node;
+ /* Size of subbuffers in this channel. */
+ size_t subbuf_size;
+ /* Number of subbuffers per stream. */
+ size_t num_subbuf;
union {
/* Original object data that MUST be copied over. */
struct lttng_ust_object_data *ust;
} obj;
};
+struct buffer_reg_map {
+ /* This key is the same as a tracing map key. */
+ uint32_t key;
+ /* Per cpu counter registry object of this map registry. */
+ struct cds_list_head counters;
+ /* Total number of stream in the list. */
+ uint64_t counter_count;
+ /* Used to ensure mutual exclusion to the counter's list. */
+ pthread_mutex_t counter_list_lock;
+ /* Node for hash table usage. */
+ struct lttng_ht_node_u64 node;
+ union {
+ /* Original object data that MUST be copied over. */
+ struct lttng_ust_object_data *ust;
+ } obj;
+
+ struct ustctl_daemon_counter *daemon_counter;
+};
+
struct buffer_reg_session {
/* Registry per domain. */
union {
/* Contains buffer registry channel indexed by tracing channel key. */
struct lttng_ht *channels;
+ /* Contains buffer registry map indexed by tracing map key. */
+ struct lttng_ht *maps;
};
/*
struct lttng_ht_node_u64 node;
/* Node of a linked list used to teardown object at a destroy session. */
struct cds_list_head lnode;
+
+ char root_shm_path[PATH_MAX];
+ char shm_path[PATH_MAX];
};
/*
/* Indexed by session id. */
struct lttng_ht_node_u64 node;
+
+ char root_shm_path[PATH_MAX];
+ char shm_path[PATH_MAX];
};
/* Buffer registry per UID. */
void buffer_reg_init_uid_registry(void);
int buffer_reg_uid_create(uint64_t session_id, uint32_t bits_per_long, uid_t uid,
- enum lttng_domain_type domain, struct buffer_reg_uid **regp);
+ enum lttng_domain_type domain, struct buffer_reg_uid **regp,
+ const char *root_shm_path, const char *shm_path);
void buffer_reg_uid_add(struct buffer_reg_uid *reg);
struct buffer_reg_uid *buffer_reg_uid_find(uint64_t session_id,
uint32_t bits_per_long, uid_t uid);
/* Buffer registry per PID. */
void buffer_reg_init_pid_registry(void);
-int buffer_reg_pid_create(uint64_t session_id, struct buffer_reg_pid **regp);
+int buffer_reg_pid_create(uint64_t session_id, struct buffer_reg_pid **regp,
+ const char *root_shm_path, const char *shm_path);
void buffer_reg_pid_add(struct buffer_reg_pid *reg);
struct buffer_reg_pid *buffer_reg_pid_find(uint64_t session_id);
void buffer_reg_pid_remove(struct buffer_reg_pid *regp);
void buffer_reg_channel_destroy(struct buffer_reg_channel *regp,
enum lttng_domain_type domain);
+/* Map */
+int buffer_reg_map_create(uint64_t key, struct buffer_reg_map **regp);
+void buffer_reg_map_add(struct buffer_reg_session *session,
+ struct buffer_reg_map *map);
+struct buffer_reg_map *buffer_reg_map_find(uint64_t key,
+ struct buffer_reg_uid *reg);
+void buffer_reg_map_remove(struct buffer_reg_session *session,
+ struct buffer_reg_map *regp);
+void buffer_reg_map_destroy(struct buffer_reg_map *regp,
+ enum lttng_domain_type domain);
+
/* Stream */
int buffer_reg_stream_create(struct buffer_reg_stream **regp);
void buffer_reg_stream_add(struct buffer_reg_stream *stream,
void buffer_reg_stream_destroy(struct buffer_reg_stream *regp,
enum lttng_domain_type domain);
+/* Map counter */
+int buffer_reg_map_counter_create(struct buffer_reg_map_counter **regp);
+void buffer_reg_map_counter_add(struct buffer_reg_map_counter *map_counter,
+ struct buffer_reg_map *map);
+void buffer_reg_map_counter_destroy(struct buffer_reg_map_counter *regp,
+ enum lttng_domain_type domain);
+
/* Global registry. */
void buffer_reg_destroy_registries(void);
+int buffer_reg_uid_consumer_channel_key(
+ struct cds_list_head *buffer_reg_uid_list,
+ uint64_t chan_key, uint64_t *consumer_chan_key);
+
#endif /* LTTNG_BUFFER_REGISTRY_H */
projects / lttng-tools.git / blobdiff