| | 1 | /* |
| | 2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> |
| | 3 | * |
| | 4 | * This program is free software; you can redistribute it and/or modify |
| | 5 | * it under the terms of the GNU General Public License, version 2 only, |
| | 6 | * as published by the Free Software Foundation. |
| | 7 | * |
| | 8 | * This program is distributed in the hope that it will be useful, |
| | 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 11 | * GNU General Public License for more details. |
| | 12 | * |
| | 13 | * You should have received a copy of the GNU General Public License along |
| | 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| | 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| | 16 | */ |
| | 17 | |
| | 18 | #ifndef _LTT_KERNEL_CTL_H |
| | 19 | #define _LTT_KERNEL_CTL_H |
| | 20 | |
| | 21 | #include "session.h" |
| | 22 | #include "snapshot.h" |
| | 23 | #include "trace-kernel.h" |
| | 24 | |
| | 25 | /* |
| | 26 | * Default size for the event list when kernel_list_events is called. This size |
| | 27 | * value is based on the initial LTTng 2.0 version set of tracepoints. |
| | 28 | * |
| | 29 | * This is NOT an upper bound because if the real event list size is bigger, |
| | 30 | * dynamic reallocation is performed. |
| | 31 | */ |
| | 32 | #define KERNEL_EVENT_INIT_LIST_SIZE 64 |
| | 33 | #define KERNEL_TRACKER_PIDS_INIT_LIST_SIZE 64 |
| | 34 | |
| | 35 | int kernel_add_channel_context(struct ltt_kernel_channel *chan, |
| | 36 | struct ltt_kernel_context *ctx); |
| | 37 | int kernel_create_session(struct ltt_session *session, int tracer_fd); |
| | 38 | int kernel_create_channel(struct ltt_kernel_session *session, |
| | 39 | struct lttng_channel *chan); |
| | 40 | int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel, |
| | 41 | char *filter_expression, struct lttng_filter_bytecode *filter); |
| | 42 | int kernel_disable_channel(struct ltt_kernel_channel *chan); |
| | 43 | int kernel_disable_event(struct ltt_kernel_event *event); |
| | 44 | int kernel_enable_event(struct ltt_kernel_event *event); |
| | 45 | int kernel_enable_channel(struct ltt_kernel_channel *chan); |
| | 46 | int kernel_track_pid(struct ltt_kernel_session *session, int pid); |
| | 47 | int kernel_untrack_pid(struct ltt_kernel_session *session, int pid); |
| | 48 | int kernel_open_metadata(struct ltt_kernel_session *session); |
| | 49 | int kernel_open_metadata_stream(struct ltt_kernel_session *session); |
| | 50 | int kernel_open_channel_stream(struct ltt_kernel_channel *channel); |
| | 51 | int kernel_flush_buffer(struct ltt_kernel_channel *channel); |
| | 52 | int kernel_metadata_flush_buffer(int fd); |
| | 53 | int kernel_start_session(struct ltt_kernel_session *session); |
| | 54 | int kernel_stop_session(struct ltt_kernel_session *session); |
| | 55 | ssize_t kernel_list_events(int tracer_fd, struct lttng_event **event_list); |
| | 56 | void kernel_wait_quiescent(int fd); |
| | 57 | int kernel_calibrate(int fd, struct lttng_kernel_calibrate *calibrate); |
| | 58 | int kernel_validate_version(int tracer_fd); |
| | 59 | void kernel_destroy_session(struct ltt_kernel_session *ksess); |
| | 60 | void kernel_destroy_channel(struct ltt_kernel_channel *kchan); |
| | 61 | int kernel_snapshot_record(struct ltt_kernel_session *ksess, |
| | 62 | struct snapshot_output *output, int wait, |
| | 63 | uint64_t nb_packets_per_stream); |
| | 64 | int kernel_syscall_mask(int chan_fd, char **syscall_mask, uint32_t *nr_bits); |
| | 65 | |
| | 66 | int init_kernel_workarounds(void); |
| | 67 | ssize_t kernel_list_tracker_pids(struct ltt_kernel_session *session, |
| | 68 | int **_pids); |
| | 69 | |
| | 70 | #endif /* _LTT_KERNEL_CTL_H */ |
projects / lttng-tools.git / blame_incremental