SoW-2020-0002: Trace Hit Counters: trigger error reporting integration

[lttng-tools.git] / src / bin / lttng-sessiond / kernel.h

diff --git a/src/bin/lttng-sessiond/kernel.h b/src/bin/lttng-sessiond/kernel.h
index 64d95d2351ee802e57ea4a89b8d44b1adb30d454..c9b17d260b2123031181f612e6b335e7b0d1cecb 100644 (file)
--- a/src/bin/lttng-sessiond/kernel.h
+++ b/src/bin/lttng-sessiond/kernel.h
@@ -1,23 +1,15 @@
 /*
- * 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, 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 _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"
@@ -30,7 +22,6 @@
  * dynamic reallocation is performed.
  */
 #define KERNEL_EVENT_INIT_LIST_SIZE 64
-#define KERNEL_TRACKER_IDS_INIT_LIST_SIZE 64
 
 int kernel_add_channel_context(struct ltt_kernel_channel *chan,
                struct ltt_kernel_context *ctx);
@@ -38,17 +29,26 @@ int kernel_create_session(struct ltt_session *session);
 int kernel_create_channel(struct ltt_kernel_session *session,
                struct lttng_channel *chan);
 int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel,
-               char *filter_expression, struct lttng_filter_bytecode *filter);
+               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_track_id(enum lttng_tracker_type tracker_type,
+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,
-               const struct lttng_tracker_id *id);
-int kernel_untrack_id(enum lttng_tracker_type tracker_type,
+               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,
-               const struct lttng_tracker_id *id);
+               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);
@@ -72,9 +72,6 @@ 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);
-ssize_t kernel_list_tracker_ids(enum lttng_tracker_type tracker_type,
-               struct ltt_kernel_session *session,
-               struct lttng_tracker_id ***_ids);
 int kernel_supports_ring_buffer_snapshot_sample_positions(void);
 int kernel_supports_ring_buffer_packet_sequence_number(void);
 int init_kernel_tracer(void);
@@ -84,4 +81,18 @@ 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 */