/*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; only version 2
- * of the License.
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _LTT_KERNEL_CTL_H
#define _LTT_KERNEL_CTL_H
+#include "lttng/lttng-error.h"
+#include "lttng/tracker.h"
#include "session.h"
+#include "snapshot.h"
#include "trace-kernel.h"
/*
* This is NOT an upper bound because if the real event list size is bigger,
* dynamic reallocation is performed.
*/
-#define KERNEL_EVENT_LIST_SIZE 80
+#define KERNEL_EVENT_INIT_LIST_SIZE 64
int kernel_add_channel_context(struct ltt_kernel_channel *chan,
- struct lttng_kernel_context *ctx);
-int kernel_add_event_context(struct ltt_kernel_event *event,
- struct lttng_kernel_context *ctx);
-int kernel_create_session(struct ltt_session *session, int tracer_fd);
+ struct ltt_kernel_context *ctx);
+int kernel_create_session(struct ltt_session *session);
int kernel_create_channel(struct ltt_kernel_session *session,
- struct lttng_channel *chan, char *path);
-int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel);
+ struct lttng_channel *chan);
+int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel,
+ char *filter_expression, struct lttng_bytecode *filter);
int kernel_disable_channel(struct ltt_kernel_channel *chan);
int kernel_disable_event(struct ltt_kernel_event *event);
int kernel_enable_event(struct ltt_kernel_event *event);
int kernel_enable_channel(struct ltt_kernel_channel *chan);
-int kernel_open_metadata(struct ltt_kernel_session *session, char *path);
+enum lttng_error_code kernel_process_attr_tracker_set_tracking_policy(
+ struct ltt_kernel_session *session,
+ enum lttng_process_attr process_attr,
+ enum lttng_tracking_policy policy);
+enum lttng_error_code kernel_process_attr_tracker_inclusion_set_add_value(
+ struct ltt_kernel_session *session,
+ enum lttng_process_attr process_attr,
+ const struct process_attr_value *value);
+enum lttng_error_code kernel_process_attr_tracker_inclusion_set_remove_value(
+ struct ltt_kernel_session *session,
+ enum lttng_process_attr process_attr,
+ const struct process_attr_value *value);
+const struct process_attr_tracker *kernel_get_process_attr_tracker(
+ struct ltt_kernel_session *session,
+ enum lttng_process_attr process_attr);
+int kernel_open_metadata(struct ltt_kernel_session *session);
int kernel_open_metadata_stream(struct ltt_kernel_session *session);
int kernel_open_channel_stream(struct ltt_kernel_channel *channel);
int kernel_flush_buffer(struct ltt_kernel_channel *channel);
int kernel_metadata_flush_buffer(int fd);
int kernel_start_session(struct ltt_kernel_session *session);
int kernel_stop_session(struct ltt_kernel_session *session);
-ssize_t kernel_list_events(int tracer_fd, struct lttng_event **event_list);
-void kernel_wait_quiescent(int fd);
-int kernel_calibrate(int fd, struct lttng_kernel_calibrate *calibrate);
+ssize_t kernel_list_events(struct lttng_event **event_list);
+void kernel_wait_quiescent(void);
+int kernel_validate_version(struct lttng_kernel_tracer_version *kernel_tracer_version,
+ struct lttng_kernel_tracer_abi_version *kernel_tracer_abi_version);
+void kernel_destroy_session(struct ltt_kernel_session *ksess);
+void kernel_free_session(struct ltt_kernel_session *ksess);
+void kernel_destroy_channel(struct ltt_kernel_channel *kchan);
+enum lttng_error_code kernel_snapshot_record(
+ struct ltt_kernel_session *ksess,
+ const struct consumer_output *output, int wait,
+ uint64_t nb_packets_per_stream);
+int kernel_syscall_mask(int chan_fd, char **syscall_mask, uint32_t *nr_bits);
+enum lttng_error_code kernel_rotate_session(struct ltt_session *session);
+enum lttng_error_code kernel_clear_session(struct ltt_session *session);
+
+int init_kernel_workarounds(void);
+int kernel_supports_ring_buffer_snapshot_sample_positions(void);
+int kernel_supports_ring_buffer_packet_sequence_number(void);
+int init_kernel_tracer(void);
+void cleanup_kernel_tracer(void);
+bool kernel_tracer_is_initialized(void);
+
+enum lttng_error_code kernel_create_channel_subdirectories(
+ const struct ltt_kernel_session *ksess);
+
+enum lttng_error_code kernel_create_trigger_group_notification_fd(
+ int *trigger_group_notification_fd);
+enum lttng_error_code kernel_destroy_trigger_group_notification_fd(
+ int trigger_group_notification_fd);
+
+enum lttng_error_code kernel_register_trigger(struct lttng_trigger *trigger, const struct lttng_credentials *cmd_creds);
+enum lttng_error_code kernel_unregister_trigger(struct lttng_trigger *trigger);
+enum lttng_error_code kernel_create_trigger_group_error_counter(
+ int *trigger_group_error_counter_fd, size_t nb_bucket);
+enum lttng_error_code kernel_trigger_update_error_count(
+ struct lttng_trigger *trigger);
+
+int kernel_get_notification_fd(void);
#endif /* _LTT_KERNEL_CTL_H */
projects / lttng-tools.git / blobdiff