X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Ftrace-kernel.h;h=0721a57d3da202051f117840d07b9e08de304572;hp=b9bcbfa77d242d46637e229d552943819b1be371;hb=2463b7879c00298daa79744cdaae82ac061a4ed8;hpb=6addfa379ee608b20cfe5e15d135bcb6a9724e90 diff --git a/src/bin/lttng-sessiond/trace-kernel.h b/src/bin/lttng-sessiond/trace-kernel.h index b9bcbfa77..0721a57d3 100644 --- a/src/bin/lttng-sessiond/trace-kernel.h +++ b/src/bin/lttng-sessiond/trace-kernel.h @@ -1,18 +1,8 @@ /* - * Copyright (C) 2011 - David Goulet + * Copyright (C) 2011 David Goulet * - * 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_TRACE_KERNEL_H @@ -26,12 +16,18 @@ #include #include "consumer.h" +#include "tracker.h" /* Kernel event list */ struct ltt_kernel_event_list { struct cds_list_head head; }; +/* Kernel event rule token list */ +struct ltt_kernel_token_event_rule_ht { + struct cds_lfht *ht; +}; + /* Channel stream list */ struct ltt_kernel_stream_list { struct cds_list_head head; @@ -45,6 +41,8 @@ struct ltt_kernel_channel_list { struct ltt_kernel_context { struct lttng_kernel_context ctx; struct cds_list_head list; + /* Indicates whether or not the context is in a list. */ + bool in_list; }; /* Kernel event */ @@ -55,15 +53,31 @@ struct ltt_kernel_event { struct lttng_kernel_event *event; struct cds_list_head list; char *filter_expression; - struct lttng_filter_bytecode *filter; + struct lttng_bytecode *filter; + struct lttng_userspace_probe_location *userspace_probe_location; +}; + +/* Kernel event */ +struct ltt_kernel_token_event_rule { + int fd; + uint64_t error_counter_index; + int enabled; + enum lttng_event_type type; + struct lttng_trigger *trigger; + uint64_t token; + const struct lttng_bytecode *filter; + struct lttng_userspace_probe_location *userspace_probe_location; + struct cds_lfht_node ht_node; }; /* Kernel channel */ struct ltt_kernel_channel { int fd; + uint64_t key; /* Key to reference this channel with the consumer. */ int enabled; unsigned int stream_count; unsigned int event_count; + bool published_to_notification_thread; struct cds_list_head ctx_list; struct lttng_channel *channel; struct ltt_kernel_event_list events_list; @@ -71,11 +85,13 @@ struct ltt_kernel_channel { struct cds_list_head list; /* Session pointer which has a reference to this object. */ struct ltt_kernel_session *session; + bool sent_to_consumer; }; /* Metadata */ struct ltt_kernel_metadata { int fd; + uint64_t key; /* Key to reference this channel with the consumer. */ struct lttng_channel *conf; }; @@ -84,6 +100,7 @@ struct ltt_kernel_stream { int fd; int state; int cpu; + bool sent_to_consumer; /* Format is %s_%d respectively channel name and CPU number. */ char name[DEFAULT_STREAM_NAME_LEN]; uint64_t tracefile_size; @@ -112,6 +129,16 @@ struct ltt_kernel_session { unsigned int output_traces; unsigned int snapshot_mode; unsigned int has_non_default_channel; + bool is_live_session; + /* Current trace chunk of the ltt_session. */ + struct lttng_trace_chunk *current_trace_chunk; + /* Tracker lists */ + struct process_attr_tracker *tracker_pid; + struct process_attr_tracker *tracker_vpid; + struct process_attr_tracker *tracker_uid; + struct process_attr_tracker *tracker_vuid; + struct process_attr_tracker *tracker_gid; + struct process_attr_tracker *tracker_vgid; }; /* @@ -123,9 +150,9 @@ struct ltt_kernel_event *trace_kernel_get_event_by_name( struct ltt_kernel_event *trace_kernel_find_event( char *name, struct ltt_kernel_channel *channel, enum lttng_event_type type, - struct lttng_filter_bytecode *filter); + struct lttng_bytecode *filter); struct ltt_kernel_channel *trace_kernel_get_channel_by_name( - char *name, struct ltt_kernel_session *session); + const char *name, struct ltt_kernel_session *session); /* * Create functions malloc() the data structure. @@ -133,13 +160,23 @@ struct ltt_kernel_channel *trace_kernel_get_channel_by_name( struct ltt_kernel_session *trace_kernel_create_session(void); struct ltt_kernel_channel *trace_kernel_create_channel( struct lttng_channel *chan); -struct ltt_kernel_event *trace_kernel_create_event(struct lttng_event *ev, - char *filter_expression, struct lttng_filter_bytecode *filter); +enum lttng_error_code trace_kernel_create_event(struct lttng_event *ev, + char *filter_expression, struct lttng_bytecode *filter, + struct ltt_kernel_event **kernel_event); struct ltt_kernel_metadata *trace_kernel_create_metadata(void); struct ltt_kernel_stream *trace_kernel_create_stream(const char *name, unsigned int count); struct ltt_kernel_context *trace_kernel_create_context( struct lttng_kernel_context *ctx); +enum lttng_error_code trace_kernel_create_token_event_rule( + struct lttng_trigger *trigger, + uint64_t token, + uint64_t trigger_error_counter_index, + struct ltt_kernel_token_event_rule **kernel_token_event_rule); +struct ltt_kernel_context *trace_kernel_copy_context( + struct ltt_kernel_context *ctx); +enum lttng_error_code trace_kernel_init_trigger_from_event_rule(const struct lttng_event_rule *rule, + struct lttng_kernel_trigger *kernel_trigger); /* * Destroy functions free() the data structure and remove from linked list if @@ -151,5 +188,7 @@ void trace_kernel_destroy_channel(struct ltt_kernel_channel *channel); void trace_kernel_destroy_event(struct ltt_kernel_event *event); void trace_kernel_destroy_stream(struct ltt_kernel_stream *stream); void trace_kernel_destroy_context(struct ltt_kernel_context *ctx); +void trace_kernel_destroy_token_event_rule(struct ltt_kernel_token_event_rule *rule); +void trace_kernel_free_session(struct ltt_kernel_session *session); #endif /* _LTT_TRACE_KERNEL_H */